SIOC Core Ontology Namespace

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.

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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.
Title	SIOC Core Ontology Namespace
type	Thing Ontology
seeAlso	SIOC Core Ontology Specification
versionInfo	Revision: 1.36

Classes

URI	Label	Comment
sioc:Community ∉ sioc:Item, sioc:Role, sioc:UserAccount	Community	Community is a high-level concept that defines an online community and what it consists of.
sioc:Container ∉ sioc:Item, sioc:Role, sioc:UserAccount, sioc:Usergroup	Container	An area in which content Items are contained.
sioc:Forum ⊆ sioc:Container	Forum	A discussion area on which Posts or entries are made.
sioc:Item ∉ sioc:Container, sioc:Role, sioc:Space, sioc:UserAccount, sioc:Usergroup	Item	An Item is something which can be in a Container.
sioc:Post ⊆ foaf:Document, sioc:Item	Post	An article or message that can be posted to a Forum.
sioc:Role ∉ sioc:Container, sioc:Item, sioc:Space, sioc:UserAccount, sioc:Usergroup	Role	A Role is a function of a UserAccount within a scope of a particular Forum, Site, etc.
sioc:Site ⊆ sioc:Space	Site	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.
sioc:Space ∉ sioc:Item, sioc:Role, sioc:UserAccount, sioc:Usergroup	Space	A Space is a place where data resides, e.g. on a website, desktop, fileshare, etc.
sioc:Thread ⊆ sioc:Container	Thread	A container for a series of threaded discussion Posts or Items.
sioc:UserAccount ⊆ foaf:OnlineAccount ∉ sioc:Container, sioc:Item, sioc:Role, sioc:Space, sioc:Usergroup	User Account	A user account in an online community site.
sioc:Usergroup ∉ sioc:Container, sioc:Item, sioc:Role, sioc:Space, sioc:UserAccount	Usergroup	A set of UserAccounts whose owners have a common purpose or interest. Can be used for access control purposes.

Properties

URI	Label	Comment
sioc:about sioc:Item ↦ ◌	about	Specifies that this Item is about a particular resource, e.g. a Post describing a book, hotel, etc.
sioc:account_of sioc:UserAccount ↦ foaf:Agent	account of	Refers to the foaf:Agent or foaf:Person who owns this sioc:UserAccount.
sioc:addressed_to sioc:Item ↦ ◌	addressed to	Refers to who (e.g. a UserAccount, e-mail address, etc.) a particular Item is addressed to.
sioc:administrator_of sioc:UserAccount ↦ sioc:Site	administrator of	A Site that the UserAccount is an administrator of.
sioc:attachment sioc:Item ↦ ◌	attachment	The URI of a file attached to an Item.
sioc:avatar sioc:UserAccount ↦ ◌ ⊆ foaf:depiction	avatar	An image or depiction used to represent this UserAccount.
sioc:container_of sioc:Container ↦ sioc:Item ⊆ dcterms:hasPart	container of	An Item that this Container contains.
sioc:creator_of sioc:UserAccount ↦ ◌	creator of	A resource that the UserAccount is a creator of.
sioc:delivered_at sioc:Item ↦ rdfs:Literal	delivered at	When this was delivered, in ISO 8601 format.
sioc:discussion_of ◌ ↦ sioc:Item	discussion of	The Item that this discussion is about.
sioc:email sioc:UserAccount ↦ ◌	email	An electronic mail address of the UserAccount.
sioc:embeds_knowledge sioc:Item ↦ http://www.w3.org/2004/03/trix/rdfg-1/Graph	embeds knowledge	This links Items to embedded statements, facts and structured content.
sioc:feed	feed	A feed (e.g. RSS, Atom, etc.) pertaining to this resource (e.g. for a Forum, Site, UserAccount, etc.).
sioc:follows sioc:UserAccount ↦ sioc:UserAccount	follows	Indicates that one UserAccount follows another UserAccount (e.g. for microblog posts or other content item updates).
sioc:function_of sioc:Role ↦ ◌	function of	A UserAccount that has this Role.
sioc:generator sioc:Item ↦ ◌	generator	A URI for the application used to generate this Item.
sioc:has_administrator sioc:Site ↦ sioc:UserAccount	has administrator	A UserAccount that is an administrator of this Site.
sioc:has_container sioc:Item ↦ sioc:Container ⊆ dcterms:partOf	has container	The Container to which this Item belongs.
sioc:has_creator ◌ ↦ sioc:UserAccount	has creator	This is the UserAccount that made this resource.
sioc:has_discussion sioc:Item ↦ ◌	has discussion	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.
sioc:has_function ◌ ↦ sioc:Role	has function	A Role that this UserAccount has.
sioc:has_host sioc:Container ↦ sioc:Site ⊆ sioc:has_space	has host	The Site that hosts this Container.
sioc:has_member sioc:Usergroup ↦ sioc:UserAccount	has member	A UserAccount that is a member of this Usergroup.
sioc:has_moderator sioc:Forum ↦ sioc:UserAccount	has moderator	A UserAccount that is a moderator of this Forum.
sioc:has_modifier ◌ ↦ sioc:UserAccount	has modifier	A UserAccount that modified this resource (e.g. Item, Container, Space).
sioc:has_owner ◌ ↦ sioc:UserAccount	has owner	A UserAccount that this resource is owned by.
sioc:has_parent sioc:Container ↦ sioc:Container ⊆ dcterms:partOf	has parent	A Container or Forum that this Container or Forum is a child of.
sioc:has_part	has part	An resource that is a part of this subject.
sioc:has_reply sioc:Item ↦ sioc:Item ⊆ sioc:related_to	has reply	Points to an Item or Post that is a reply or response to this Item or Post.
sioc:has_scope sioc:Role ↦ ◌	has scope	A resource that this Role applies to.
sioc:has_space ◌ ↦ sioc:Space ⊆ dcterms:partOf	has space	A data Space which this resource is a part of.
sioc:has_subscriber sioc:Container ↦ sioc:UserAccount	has subscriber	A UserAccount that is subscribed to this Container.
sioc:has_usergroup sioc:Space ↦ sioc:Usergroup	has usergroup	Points to a Usergroup that has certain access to this Space.
sioc:host_of sioc:Site ↦ sioc:Container ⊆ sioc:space_of	host of	A Container that is hosted on this Site.
sioc:latest_version sioc:Item ↦ sioc:Item	latest version	Links to the latest revision of this Item or Post.
sioc:likes	likes	Used to indicate some form of endorsement by a UserAccount or Agent of an Item, Container, Space, UserAccount, etc.
sioc:link	link	A URI of a document which contains this SIOC object.
sioc:links_to ⊆ dcterms:references	links to	Links extracted from hyperlinks within a SIOC concept, e.g. Post or Site.
sioc:member_of sioc:UserAccount ↦ sioc:Usergroup	member of	A Usergroup that this UserAccount is a member of.
sioc:mentions sioc:Item ↦ sioc:UserAccount	mentions	Refers to a UserAccount that a particular Item mentions.
sioc:moderator_of sioc:UserAccount ↦ sioc:Forum	moderator of	A Forum that a UserAccount is a moderator of.
sioc:modifier_of sioc:UserAccount ↦ ◌	modifier of	A resource that this UserAccount has modified.
sioc:next_by_date sioc:Item ↦ sioc:Item	next by date	Next Item or Post in a given Container sorted by date.
sioc:next_version sioc:Item ↦ sioc:Item ⊆ sioc:later_version	next version	Links to the next revision of this Item or Post.
sioc:owner_of sioc:UserAccount ↦ ◌	owner of	A resource owned by a particular UserAccount, for example, a weblog or image gallery.
sioc:parent_of sioc:Container ↦ sioc:Container ⊆ dcterms:hasPart	parent of	A child Container or Forum that this Container or Forum is a parent of.
sioc:part_of	part of	A resource that the subject is a part of.
sioc:previous_by_date sioc:Item ↦ sioc:Item	previous by date	Previous Item or Post in a given Container sorted by date.
sioc:previous_version sioc:Item ↦ sioc:Item ⊆ sioc:earlier_version	previous version	Links to the previous revision of this Item or Post.
sioc:read_at sioc:Item ↦ rdfs:Literal	read at	When this was read, in ISO 8601 format.
sioc:reference sioc:Post ↦ ◌	reference	Links either created explicitly or extracted implicitly on the HTML level from the Post.
sioc:related_to	related to	Related resources for this resource, e.g. for Posts, perhaps determined implicitly from topics or references.
sioc:reply_of sioc:Item ↦ sioc:Item ⊆ sioc:related_to	reply of	Links to an Item or Post which this Item or Post is a reply to.
sioc:respond_to sioc:Item ↦ ◌	respond to	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).
sioc:scope_of ◌ ↦ sioc:Role	scope of	A Role that has a scope of this resource.
sioc:shared_by sioc:Item ↦ sioc:UserAccount	shared by	For shared Items where there is a certain creator_of and an intermediary who shares or forwards it (e.g. as a sibling Item).
sioc:space_of sioc:Space ↦ ◌ ⊆ dcterms:hasPart	space of	A resource which belongs to this data Space.
sioc:subscriber_of sioc:UserAccount ↦ sioc:Container	subscriber of	A Container that a UserAccount is subscribed to.
sioc:topic ⊆ dcterms:subject	topic	A topic of interest, linking to the appropriate URI, e.g. in the Open Directory Project or of a SKOS category.
sioc:usergroup_of sioc:Usergroup ↦ sioc:Space	usergroup of	A Space that the Usergroup has access to.