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Some java classes with constants for common ontologies.
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SIOC Core Ontology Namespace
Revision: 1.29
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.
Community
Community is a high-level concept that defines an online community and what it consists of.
Container
An area in which content Items are contained.
Forum
A discussion area on which Posts or entries are made.
Item
An Item is something which can be in a Container.
Post
An article or message that can be posted to a Forum.
Role
A Role is a function of a User within a scope of a particular Forum, Site, etc.
Space
A Space is a place where data resides, e.g., on a website, desktop, fileshare, etc.
Site
A Site can be the location of an online community or set of communities, with Users and Usergroups creating Items in a set of Containers. It can be thought of as a web-accessible data Space.
Thread
A container for a series of threaded discussion Posts or Items.
User
A User account in an online community site.
Usergroup
A set of User accounts whose owners have a common purpose or interest. Can be used for access control purposes.
about
Specifies that this Item is about a particular resource, e.g., a Post describing a book, hotel, etc.
account_of
Refers to the foaf:Agent or foaf:Person who owns this sioc:User online account.
administrator_of
A Site that the User is an administrator of.
attachment
The URI of a file attached to an Item.
avatar
An image or depiction used to represent this User.
container_of
An Item that this Container contains.
content
The content of the Item in plain text format.
content_encoded
The encoded content of the Post, contained in CDATA areas.
This property is deprecated. Use content:encoded from the RSS 1.0 content module instead.
created_at
When this was created, in ISO 8601 format.
This property is deprecated. Use dcterms:created from the Dublin Core ontology instead.
creator_of
A resource that the User is a creator of.
description
The content of the Post.
This property is deprecated. Use sioc:content or other methods (AtomOwl, content:encoded from RSS 1.0, etc.) instead.
email
An electronic mail address of the User.
email_sha1
An electronic mail address of the User, encoded using SHA1.
feed
A feed (e.g., RSS, Atom, etc.) pertaining to this resource (e.g., for a Forum, Site, User, etc.).
first_name
First (real) name of this User. Synonyms include given name or christian name.
This property is deprecated. Use foaf:name or foaf:firstName from the FOAF vocabulary instead.
function_of
A User who has this Role.
group_of
This property has been renamed. Use sioc:usergroup_of instead.
has_administrator
A User who is an administrator of this Site.
has_container
The Container to which this Item belongs.
has_creator
This is the User who made this resource.
has_function
A Role that this User has.
has_group
This property has been renamed. Use sioc:has_usergroup instead.
has_host
The Site that hosts this Forum.
has_member
A User who is a member of this Usergroup.
has_moderator
A User who is a moderator of this Forum.
has_modifier
A User who modified this Item.
has_owner
A User that this Container is owned by.
has_parent
A Container or Forum that this Container or Forum is a child of.
has_part
An resource that is a part of this subject.
This property is deprecated. Use dcterms:hasPart from the Dublin Core ontology instead.
has_reply
Points to an Item or Post that is a reply or response to this Item or Post.
has_scope
A resource that this Role applies to.
has_space
A data Space which this resource is a part of.
has_subscriber
A User who is subscribed to this Container.
has_usergroup
Points to a Usergroup that has certain access to this Space.
host_of
A Forum that is hosted on this Site.
id
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.
ip_address
The IP address used when creating this Item. This can be associated with a creator. Some wiki articles list the IP addresses for the creator or modifiers when the usernames are absent.
last_name
Last (real) name of this user. Synonyms include surname or family name.
This property is deprecated. Use foaf:name or foaf:surname from the FOAF vocabulary instead.
link
A URI of a document which contains this SIOC object.
links_to
Links extracted from hyperlinks within a SIOC concept, e.g., Post or Site.
member_of
A Usergroup that this User is a member of.
moderator_of
A Forum that User is a moderator of.
modified_at
When this was modified, in ISO 8601 format.
This property is deprecated. Use dcterms:modified from the Dublin Core ontology instead.
modifier_of
An Item that this User has modified.
name
The name of a SIOC instance, e.g. a username for a User, group name for a Usergroup, etc.
next_by_date
Next Item or Post in a given Container sorted by date.
next_version
Links to the next revision of this Item or Post.
note
A note associated with this Item, for example, if it has been edited by a User.
num_replies
The number of replies that this Item, Thread, Post, etc. has. Useful for when the reply structure is absent.
num_views
The number of times this Item, Thread, User profile, etc. has been viewed.
owner_of
A Container owned by a particular User, for example, a weblog or image gallery.
parent_of
A child Container or Forum that this Container or Forum is a parent of.
part_of
A resource that the subject is a part of.
This property is deprecated. Use dcterms:isPartOf from the Dublin Core ontology instead.
previous_by_date
Previous Item or Post in a given Container sorted by date.
previous_version
Links to a previous revision of this Item or Post.
reference
Links either created explicitly or extracted implicitly on the HTML level from the Post.
Renamed to sioc:links_to.
related_to
Related Posts for this Post, perhaps determined implicitly from topics or references.
reply_of
Links to an Item or Post which this Item or Post is a reply to.
scope_of
A Role that has a scope of this resource.
sibling
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).
space_of
A resource which belongs to this data Space.
subject
Keyword(s) describing subject of the Post.
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.
subscriber_of
A Container that a User is subscribed to.
title
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.
This property is deprecated. Use dcterms:title from the Dublin Core ontology instead.
topic
A topic of interest, linking to the appropriate URI, e.g., in the Open Directory Project or of a SKOS category.
usergroup_of
A Space that the Usergroup has access to.
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