http://rdfs.org/sioc/ns#first_name
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label first name
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use foaf:name or foaf:firstName from the FOAF vocabulary instead.
http://www.w3.org/2000/01/rdf-schema#comment First (real) name of this User. Synonyms include given name or christian name.

http://rdfs.org/sioc/ns#content_encoded
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label content encoded
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use content:encoded from the RSS 1.0 content module instead.
http://www.w3.org/2000/01/rdf-schema#comment The encoded content of the Post, contained in CDATA areas.

http://rdfs.org/sioc/ns#reference
http://www.w3.org/2000/01/rdf-schema#label reference
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo Renamed to sioc:links_to.
http://www.w3.org/2000/01/rdf-schema#comment Links either created explicitly or extracted implicitly on the HTML level from the Post.

http://rdfs.org/sioc/ns#num_items
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2001/XMLSchema#nonNegativeInteger
http://www.w3.org/2000/01/rdf-schema#label num items
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The number of Posts (or Items) in a Forum (or a Container).

http://rdfs.org/sioc/ns#title
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label title
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:title from the Dublin Core ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment This is the title (subject line) of the Post. Note that for a Post within a threaded discussion that has no parents, it would detail the topic thread.

http://rdfs.org/sioc/ns#likes
http://www.w3.org/2000/01/rdf-schema#label likes
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Used to indicate some form of endorsement by a UserAccount or Agent of an Item, Container, Space, UserAccount, etc.

http://rdfs.org/sioc/ns#description
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label description
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use sioc:content or other methods (AtomOwl, content:encoded from RSS 1.0, etc.) instead.
http://www.w3.org/2000/01/rdf-schema#comment The content of the Post.

http://rdfs.org/sioc/ns#attachment
http://www.w3.org/2000/01/rdf-schema#label attachment
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment The URI of a file attached to an Item.

http://rdfs.org/sioc/ns#num_threads
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2001/XMLSchema#nonNegativeInteger
http://www.w3.org/2000/01/rdf-schema#label num threads
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Forum
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The number of Threads (AKA discussion topics) in a Forum.

http://rdfs.org/sioc/ns#created_at
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label created at
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:created from the Dublin Core ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment When this was created, in ISO 8601 format.

http://rdfs.org/sioc/ns#last_reply_date
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label last reply date
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The date and time of the last reply Post or Comment, which could be associated with a starter Item or Post or with a Thread, and expressed in ISO 8601 format.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/date

http://rdfs.org/sioc/ns#delivered_at
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label delivered at
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment When this was delivered, in ISO 8601 format.

http://rdfs.org/sioc/ns#last_activity_date
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label last activity date
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The date and time of the last activity associated with a SIOC concept instance, and expressed in ISO 8601 format. This could be due to a reply Post or Comment, a modification to an Item, etc.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/date

http://rdfs.org/sioc/ns#avatar
http://www.w3.org/2000/01/rdf-schema#label avatar
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment An image or depiction used to represent this UserAccount.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://xmlns.com/foaf/0.1/depiction

http://rdfs.org/sioc/ns#Community
http://www.w3.org/2000/01/rdf-schema#label Community
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#comment Community is a high-level concept that defines an online community and what it consists of.

http://rdfs.org/sioc/ns#id
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label id
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment An identifier of a SIOC concept instance. For example, a user ID. Must be unique for instances of each type of SIOC concept within the same site.

http://rdfs.org/sioc/ns#shared_by
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label shared by
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#seeAlso http://rdfs.org/sioc/ns#sibling
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment For shared Items where there is a certain creator_of and an intermediary who shares or forwards it (e.g. as a sibling Item).

http://rdfs.org/sioc/ns#last_item_date
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label last item date
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The date and time of the last Post (or Item) in a Forum (or a Container), in ISO 8601 format.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/date

http://rdfs.org/sioc/ns#embeds_knowledge
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2004/03/trix/rdfg-1/Graph
http://www.w3.org/2000/01/rdf-schema#label embeds knowledge
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment This links Items to embedded statements, facts and structured content.

http://rdfs.org/sioc/ns#name
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label name
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The name of a SIOC concept instance, e.g. a username for a UserAccount, group name for a Usergroup, etc.

http://rdfs.org/sioc/ns#account_of
http://www.w3.org/2000/01/rdf-schema#range http://xmlns.com/foaf/0.1/Agent
http://www.w3.org/2000/01/rdf-schema#label account of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://xmlns.com/foaf/0.1/account
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Refers to the foaf:Agent or foaf:Person who owns this sioc:UserAccount.

http://rdfs.org/sioc/ns#num_replies
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2001/XMLSchema#nonNegativeInteger
http://www.w3.org/2000/01/rdf-schema#label num replies
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The number of replies that this Item, Thread, Post, etc. has. Useful for when the reply structure is absent.

http://rdfs.org/sioc/ns#email_sha1
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label email sha1
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment An electronic mail address of the UserAccount, encoded using SHA1.

http://rdfs.org/sioc/ns#read_at
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label read at
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment When this was read, in ISO 8601 format.

http://purl.org/dc/terms/title
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty

http://rdfs.org/sioc/ns#topic
http://www.w3.org/2000/01/rdf-schema#label topic
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A topic of interest, linking to the appropriate URI, e.g. in the Open Directory Project or of a SKOS category.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/subject

http://rdfs.org/sioc/ns#links_to
http://www.w3.org/2000/01/rdf-schema#label links to
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Links extracted from hyperlinks within a SIOC concept, e.g. Post or Site.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/references

http://rdfs.org/sioc/ns#modified_at
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label modified at
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:modified from the Dublin Core ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment When this was modified, in ISO 8601 format.

https://mtp.linked.solutions/
http://xmlns.com/foaf/0.1/topic https://mtp.linked.solutions/sioc

http://rdfs.org/sioc/ns#subject
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label subject
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:subject from the Dublin Core ontology for text keywords and sioc:topic if the subject can be represented by a URI instead.
http://www.w3.org/2000/01/rdf-schema#comment Keyword(s) describing subject of the Post.

http://purl.org/dc/terms/description
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty

http://rdfs.org/sioc/ns#Thread
http://www.w3.org/2000/01/rdf-schema#label Thread
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2000/01/rdf-schema#comment A container for a series of threaded discussion Posts or Items.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://rdfs.org/sioc/ns#Container

http://rdfs.org/sioc/ns#generator
http://www.w3.org/2000/01/rdf-schema#label generator
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A URI for the application used to generate this Item.

http://rdfs.org/sioc/ns#about
http://www.w3.org/2000/01/rdf-schema#label about
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Specifies that this Item is about a particular resource, e.g. a Post describing a book, hotel, etc.

http://rdfs.org/sioc/ns#mentions
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label mentions
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Refers to a UserAccount that a particular Item mentions.

http://rdfs.org/sioc/ns#content
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label content
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The content of the Item in plain text format.

http://rdfs.org/sioc/ns#ip_address
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label ip address
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The IP address used when creating this Item, UserAccount, etc. This can be associated with a creator. Some wiki articles list the IP addresses for the creator or modifiers when the usernames are absent.

http://rdfs.org/sioc/ns#follows
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label follows
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Indicates that one UserAccount follows another UserAccount (e.g. for microblog posts or other content item updates).

http://rdfs.org/sioc/ns#latest_version
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label latest version
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to the latest revision of this Item or Post.

http://rdfs.org/sioc/ns#respond_to
http://www.w3.org/2000/01/rdf-schema#label respond to
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment For the reply-to address set in email messages, IMs, etc. The property name was chosen to avoid confusion with has_reply/reply_of (the reply graph).

http://rdfs.org/sioc/ns#note
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label note
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment A note associated with this resource, for example, if it has been edited by a UserAccount.

http://rdfs.org/sioc/ns#email
http://www.w3.org/2000/01/rdf-schema#label email
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment An electronic mail address of the UserAccount.

http://rdfs.org/sioc/ns#User
http://www.w3.org/2000/01/rdf-schema#label User
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/2002/07/owl#equivalentClass http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DeprecatedClass
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Space
http://rdfs.org/sioc/ns#Item
http://rdfs.org/sioc/ns#Usergroup
http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#versionInfo This class is deprecated. Use sioc:UserAccount from the SIOC ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment UserAccount is now preferred. This is a deprecated class for a User in an online community site.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://xmlns.com/foaf/0.1/OnlineAccount

http://rdfs.org/sioc/ns#num_authors
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2001/XMLSchema#nonNegativeInteger
http://www.w3.org/2000/01/rdf-schema#label num authors
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The number of unique authors (UserAccounts and unregistered posters) who have contributed to this Item, Thread, Post, etc.

http://rdfs.org/sioc/ns#num_views
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2001/XMLSchema#nonNegativeInteger
http://www.w3.org/2000/01/rdf-schema#label num views
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#comment The number of times this Item, Thread, UserAccount profile, etc. has been viewed.

http://rdfs.org/sioc/ns#link
http://www.w3.org/2000/01/rdf-schema#label link
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A URI of a document which contains this SIOC object.

http://rdfs.org/sioc/ns#addressed_to
http://www.w3.org/2000/01/rdf-schema#label addressed to
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Refers to who (e.g. a UserAccount, e-mail address, etc.) a particular Item is addressed to.

http://rdfs.org/sioc/ns#last_name
http://www.w3.org/2000/01/rdf-schema#range http://www.w3.org/2000/01/rdf-schema#Literal
http://www.w3.org/2000/01/rdf-schema#label last name
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use foaf:name or foaf:surname from the FOAF vocabulary instead.
http://www.w3.org/2000/01/rdf-schema#comment Last (real) name of this user. Synonyms include surname or family name.

http://rdfs.org/sioc/ns#has_discussion
http://www.w3.org/2000/01/rdf-schema#label has discussion
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#discussion_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A discussion that is related to this Item. The discussion can be anything, for example, a sioc:Forum or sioc:Thread, a sioct:WikiArticle or simply a foaf:Document.

http://rdfs.org/sioc/ns#has_usergroup
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2000/01/rdf-schema#label has usergroup
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Space
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#usergroup_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Points to a Usergroup that has certain access to this Space.

http://rdfs.org/sioc/ns#later_version
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label later version
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#earlier_version
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#TransitiveProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to a later (newer) revision of this Item or Post.

http://rdfs.org/sioc/ns#has_subscriber
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has subscriber
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#subscriber_of
http://www.w3.org/2000/01/rdf-schema#seeAlso http://rdfs.org/sioc/ns#feed
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that is subscribed to this Container.

http://rdfs.org/sioc/ns#feed
http://www.w3.org/2000/01/rdf-schema#label feed
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A feed (e.g. RSS, Atom, etc.) pertaining to this resource (e.g. for a Forum, Site, UserAccount, etc.).

http://rdfs.org/sioc/ns#related_to
http://www.w3.org/2000/01/rdf-schema#label related to
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Related resources for this resource, e.g. for Posts, perhaps determined implicitly from topics or references.

http://rdfs.org/sioc/ns#moderator_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Forum
http://www.w3.org/2000/01/rdf-schema#label moderator of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_moderator
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Forum that a UserAccount is a moderator of.

http://rdfs.org/sioc/spec
http://www.w3.org/2000/01/rdf-schema#label SIOC Core Ontology Specification

http://rdfs.org/sioc/ns#next_version
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label next version
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#previous_version
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to the next revision of this Item or Post.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#later_version

http://xmlns.com/foaf/0.1/Document
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class

http://rdfs.org/sioc/ns#Post
http://www.w3.org/2000/01/rdf-schema#label Post
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2000/01/rdf-schema#comment An article or message that can be posted to a Forum.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://xmlns.com/foaf/0.1/Document
http://rdfs.org/sioc/ns#Item

http://rdfs.org/sioc/ns#usergroup_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Space
http://www.w3.org/2000/01/rdf-schema#label usergroup of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_usergroup
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Space that the Usergroup has access to.

http://rdfs.org/sioc/ns#group_of
http://www.w3.org/2000/01/rdf-schema#label group of
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_group
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property has been renamed. Use sioc:usergroup_of instead.

http://rdfs.org/sioc/ns#
http://purl.org/dc/terms/description SIOC (Semantically-Interlinked Online Communities) is an ontology for describing the information in online communities. This information can be used to export information from online communities and to link them together. The scope of the application areas that SIOC can be used for includes (and is not limited to) weblogs, message boards, mailing lists and chat channels.
http://www.w3.org/2000/01/rdf-schema#seeAlso http://rdfs.org/sioc/spec
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Ontology
http://www.w3.org/2002/07/owl#Thing
http://www.w3.org/2002/07/owl#versionInfo Revision: 1.36
http://purl.org/dc/terms/title SIOC Core Ontology Namespace

http://rdfs.org/sioc/ns#has_container
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label has container
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#container_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment The Container to which this Item belongs.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/partOf

http://xmlns.com/foaf/0.1/account
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty

http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label Container
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Usergroup
http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#comment An area in which content Items are contained.

http://rdfs.org/sioc/ns#has_creator
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has creator
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#creator_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment This is the UserAccount that made this resource.

http://rdfs.org/sioc/ns#Site
http://www.w3.org/2000/01/rdf-schema#label Site
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2000/01/rdf-schema#comment A Site can be the location of an online community or set of communities, with UserAccounts and Usergroups creating Items in a set of Containers. It can be thought of as a web-accessible data Space.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://rdfs.org/sioc/ns#Space

http://rdfs.org/sioc/ns#previous_by_date
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label previous by date
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#next_by_date
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Previous Item or Post in a given Container sorted by date.

http://xmlns.com/foaf/0.1/OnlineAccount
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class

http://rdfs.org/sioc/ns#administrator_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Site
http://www.w3.org/2000/01/rdf-schema#label administrator of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_administrator
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Site that the UserAccount is an administrator of.

http://rdfs.org/sioc/ns#parent_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label parent of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_parent
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A child Container or Forum that this Container or Forum is a parent of.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/hasPart

http://rdfs.org/sioc/ns#has_part
http://www.w3.org/2000/01/rdf-schema#label has part
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#part_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:hasPart from the Dublin Core ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment An resource that is a part of this subject.

https://mtp.linked.solutions/sioc
http://purl.org/dc/terms/source https://github.com/linked-solutions/prefix.cc-harvest/master
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Ontology
http://purl.org/vocab/vann/preferredNamespaceUri http://rdfs.org/sioc/ns#
http://purl.org/vocab/vann/preferredNamespacePrefix sioc
http://rdfs.org/ns/void#triples 669

http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label User Account
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Space
http://rdfs.org/sioc/ns#Usergroup
http://rdfs.org/sioc/ns#Item
http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#comment A user account in an online community site.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://xmlns.com/foaf/0.1/OnlineAccount

http://rdfs.org/sioc/ns#has_group
http://www.w3.org/2000/01/rdf-schema#label has group
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#group_of
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property has been renamed. Use sioc:has_usergroup instead.

http://rdfs.org/sioc/ns#Role
http://www.w3.org/2000/01/rdf-schema#label Role
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Space
http://rdfs.org/sioc/ns#Usergroup
http://rdfs.org/sioc/ns#Item
http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#comment A Role is a function of a UserAccount within a scope of a particular Forum, Site, etc.

http://rdfs.org/sioc/ns#owner_of
http://www.w3.org/2000/01/rdf-schema#label owner of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_owner
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A resource owned by a particular UserAccount, for example, a weblog or image gallery.

http://purl.org/dc/terms/references
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty

http://rdfs.org/sioc/ns#sibling
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label sibling
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#SymmetricProperty
http://www.w3.org/2000/01/rdf-schema#comment An Item may have a sibling or a twin that exists in a different Container, but the siblings may differ in some small way (for example, language, category, etc.). The sibling of this Item should be self-describing (that is, it should contain all available information).

http://rdfs.org/sioc/ns#has_reply
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label has reply
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#reply_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Points to an Item or Post that is a reply or response to this Item or Post.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#related_to

http://rdfs.org/sioc/ns#Space
http://www.w3.org/2000/01/rdf-schema#label Space
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Item
http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2000/01/rdf-schema#comment A Space is a place where data resides, e.g. on a website, desktop, fileshare, etc.

http://rdfs.org/sioc/ns#scope_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Role
http://www.w3.org/2000/01/rdf-schema#label scope of
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_scope
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Role that has a scope of this resource.

http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label Item
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Space
http://rdfs.org/sioc/ns#Usergroup
http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#comment An Item is something which can be in a Container.

http://rdfs.org/sioc/ns#previous_version
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label previous version
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#next_version
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to the previous revision of this Item or Post.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#earlier_version

http://rdfs.org/sioc/ns#has_parent
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label has parent
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#parent_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Container or Forum that this Container or Forum is a child of.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/partOf

http://rdfs.org/sioc/ns#has_member
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has member
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#member_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that is a member of this Usergroup.

http://rdfs.org/sioc/ns#container_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label container of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_container
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment An Item that this Container contains.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/hasPart

http://purl.org/dc/terms/subject
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty

http://rdfs.org/sioc/ns#has_function
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Role
http://www.w3.org/2000/01/rdf-schema#label has function
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#function_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Role that this UserAccount has.

http://rdfs.org/sioc/ns#has_modifier
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has modifier
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#modifier_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that modified this resource (e.g. Item, Container, Space).

http://rdfs.org/sioc/ns#has_moderator
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has moderator
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Forum
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#moderator_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that is a moderator of this Forum.

http://rdfs.org/sioc/ns#reply_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label reply of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_reply
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to an Item or Post which this Item or Post is a reply to.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#related_to

http://rdfs.org/sioc/ns#modifier_of
http://www.w3.org/2000/01/rdf-schema#label modifier of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_modifier
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A resource that this UserAccount has modified.

http://rdfs.org/sioc/ns#space_of
http://www.w3.org/2000/01/rdf-schema#label space of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Space
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_space
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A resource which belongs to this data Space.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/hasPart

http://rdfs.org/sioc/ns#has_owner
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has owner
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#owner_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that this resource is owned by.

http://rdfs.org/sioc/ns#has_space
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Space
http://www.w3.org/2000/01/rdf-schema#label has space
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#space_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A data Space which this resource is a part of.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://purl.org/dc/terms/partOf

http://purl.org/dc/terms/date
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#DatatypeProperty

http://rdfs.org/sioc/ns#discussion_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label discussion of
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_discussion
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment The Item that this discussion is about.

http://rdfs.org/sioc/ns#Forum
http://www.w3.org/2000/01/rdf-schema#label Forum
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2000/01/rdf-schema#comment A discussion area on which Posts or entries are made.
http://www.w3.org/2000/01/rdf-schema#subClassOf http://rdfs.org/sioc/ns#Container

http://rdfs.org/sioc/ns#member_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2000/01/rdf-schema#label member of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_member
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Usergroup that this UserAccount is a member of.

http://rdfs.org/sioc/ns#creator_of
http://www.w3.org/2000/01/rdf-schema#label creator of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_creator
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A resource that the UserAccount is a creator of.

http://rdfs.org/sioc/ns#next_by_date
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label next by date
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#previous_by_date
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment Next Item or Post in a given Container sorted by date.

http://rdfs.org/sioc/ns#function_of
http://www.w3.org/2000/01/rdf-schema#label function of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Role
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_function
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that has this Role.

http://rdfs.org/sioc/ns#earlier_version
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Item
http://www.w3.org/2000/01/rdf-schema#label earlier version
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Item
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#later_version
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#TransitiveProperty
http://www.w3.org/2000/01/rdf-schema#comment Links to a previous (older) revision of this Item or Post.

http://xmlns.com/foaf/0.1/Agent
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class

http://rdfs.org/sioc/ns#host_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label host of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Site
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_host
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Container that is hosted on this Site.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#space_of

http://rdfs.org/sioc/ns#subscriber_of
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#label subscriber of
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_subscriber
http://www.w3.org/2000/01/rdf-schema#seeAlso http://rdfs.org/sioc/ns#feed
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A Container that a UserAccount is subscribed to.

http://rdfs.org/sioc/ns#has_administrator
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#UserAccount
http://www.w3.org/2000/01/rdf-schema#label has administrator
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Site
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#administrator_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A UserAccount that is an administrator of this Site.

http://rdfs.org/sioc/ns#has_scope
http://www.w3.org/2000/01/rdf-schema#label has scope
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Role
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#scope_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment A resource that this Role applies to.

http://rdfs.org/sioc/ns#part_of
http://www.w3.org/2000/01/rdf-schema#label part of
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#has_part
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2002/07/owl#DeprecatedProperty
http://www.w3.org/2002/07/owl#versionInfo This property is deprecated. Use dcterms:isPartOf from the Dublin Core ontology instead.
http://www.w3.org/2000/01/rdf-schema#comment A resource that the subject is a part of.

http://rdfs.org/sioc/ns#has_host
http://www.w3.org/2000/01/rdf-schema#range http://rdfs.org/sioc/ns#Site
http://www.w3.org/2000/01/rdf-schema#label has host
http://www.w3.org/2000/01/rdf-schema#domain http://rdfs.org/sioc/ns#Container
http://www.w3.org/2002/07/owl#inverseOf http://rdfs.org/sioc/ns#host_of
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty
http://www.w3.org/2000/01/rdf-schema#comment The Site that hosts this Container.
http://www.w3.org/2000/01/rdf-schema#subPropertyOf http://rdfs.org/sioc/ns#has_space

http://xmlns.com/foaf/0.1/depiction
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#ObjectProperty

http://rdfs.org/sioc/ns#Usergroup
http://www.w3.org/2000/01/rdf-schema#label Usergroup
http://www.w3.org/2000/01/rdf-schema#isDefinedBy http://rdfs.org/sioc/ns#
http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.w3.org/2002/07/owl#Class
http://www.w3.org/2002/07/owl#disjointWith http://rdfs.org/sioc/ns#UserAccount
http://rdfs.org/sioc/ns#Role
http://rdfs.org/sioc/ns#Space
http://rdfs.org/sioc/ns#Item
http://rdfs.org/sioc/ns#Container
http://www.w3.org/2000/01/rdf-schema#comment A set of UserAccounts whose owners have a common purpose or interest. Can be used for access control purposes.