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Friend of a Friend (FOAF) vocabulary

Metadata

URI
http://xmlns.com/foaf/0.1/
Ontology RDF
RDF (turtle)

Description

The Friend of a Friend (FOAF) RDF vocabulary, described using W3C RDF Schema and the Web Ontology Language.

Table of Contents

  1. Classes
  2. Object Properties
  3. Functional Properties
  4. Datatype Properties
  5. Annotation Properties
  6. Properties
  7. Namespaces
  8. Legend

Overview

Pictures say 1,000 words
Figure 1: Ontology overview

Classes

Classc

URI http://www.w3.org/2000/01/rdf-schema#Class
Members foaf:Document
foaf:Agent
foaf:PersonalProfileDocument
foaf:Group
foaf:OnlineGamingAccount
foaf:OnlineChatAccount
foaf:Person
foaf:LabelProperty
foaf:Image
foaf:OnlineAccount
foaf:Project
foaf:OnlineEcommerceAccount
foaf:Organization
rdfs:Class
geo:SpatialThing

Spatial Thingc

URI http://www.w3.org/2003/01/geo/wgs84_pos#SpatialThing
Sub-classes foaf:Personc
In domain of foaf:based_nearop
In range of foaf:based_nearop

Agentc

URI http://xmlns.com/foaf/0.1/Agent
Description

An agent (eg. person, group, software or physical artifact).

Sub-classes foaf:Personc
foaf:Groupc
foaf:Organizationc
In domain of foaf:interestop
foaf:openidop
foaf:jabberIDdp
foaf:agefp
foaf:icqChatIDdp
foaf:aimChatIDdp
foaf:topic_interestop
foaf:mboxop
foaf:skypeIDdp
foaf:weblogop
foaf:birthdayfp
foaf:msnChatIDdp
foaf:tipjarop
foaf:statusdp
foaf:holdsAccountop
foaf:madeop
foaf:mbox_sha1sumdp
foaf:genderfp
foaf:accountop
foaf:yahooChatIDdp
In range of foaf:makerop
foaf:memberop

Documentc

URI http://xmlns.com/foaf/0.1/Document
Is Defined By http://xmlns.com/foaf/0.1/
Description

A document.

Sub-classes foaf:PersonalProfileDocumentc
foaf:Imagec
In domain of foaf:primaryTopicop
foaf:topicop
foaf:sha1dp
In range of foaf:openidop
foaf:schoolHomepageop
foaf:workInfoHomepageop
foaf:interestop
foaf:workplaceHomepageop
foaf:weblogop
foaf:pageop
foaf:isPrimaryTopicOf
foaf:tipjarop
foaf:homepageop
foaf:publicationsop
foaf:accountServiceHomepageop

Groupc

URI http://xmlns.com/foaf/0.1/Group
Description

A class of Agents.

Super-classes foaf:Agentc
In domain of foaf:memberop

Imagec

URI http://xmlns.com/foaf/0.1/Image
Is Defined By http://xmlns.com/foaf/0.1/
Description

An image.

Super-classes foaf:Documentc
In domain of foaf:thumbnailop
foaf:depictsop
In range of foaf:depictionop
foaf:imgop
foaf:thumbnailop

Label Propertyc

URI http://xmlns.com/foaf/0.1/LabelProperty
Is Defined By http://xmlns.com/foaf/0.1/
Description

A foaf:LabelProperty is any RDF property with texual values that serve as labels.

Online Accountc

URI http://xmlns.com/foaf/0.1/OnlineAccount
Is Defined By http://xmlns.com/foaf/0.1/
Description

An online account.

Super-classes owl:Thingc
Sub-classes foaf:OnlineEcommerceAccountc
foaf:OnlineGamingAccountc
foaf:OnlineChatAccountc
In domain of foaf:accountNamedp
foaf:accountServiceHomepageop
In range of foaf:holdsAccountop
foaf:accountop

Online Chat Accountc

URI http://xmlns.com/foaf/0.1/OnlineChatAccount
Is Defined By http://xmlns.com/foaf/0.1/
Description

An online chat account.

Super-classes foaf:OnlineAccountc

Online E-commerce Accountc

URI http://xmlns.com/foaf/0.1/OnlineEcommerceAccount
Is Defined By http://xmlns.com/foaf/0.1/
Description

An online e-commerce account.

Super-classes foaf:OnlineAccountc

Online Gaming Accountc

URI http://xmlns.com/foaf/0.1/OnlineGamingAccount
Is Defined By http://xmlns.com/foaf/0.1/
Description

An online gaming account.

Super-classes foaf:OnlineAccountc

Organizationc

URI http://xmlns.com/foaf/0.1/Organization
Is Defined By http://xmlns.com/foaf/0.1/
Description

An organization.

Super-classes foaf:Agentc

Personc

URI http://xmlns.com/foaf/0.1/Person
Is Defined By http://xmlns.com/foaf/0.1/
Description

A person.

Super-classes foaf:Agentc
geo:SpatialThingc
In domain of foaf:knowsop
foaf:firstNamedp
foaf:publicationsop
foaf:myersBriggsdp
foaf:plandp
foaf:familyNamedp
foaf:pastProjectop
foaf:geekcodedp
foaf:schoolHomepageop
foaf:family_namedp
foaf:surnamedp
foaf:workplaceHomepageop
foaf:currentProjectop
foaf:workInfoHomepageop
foaf:lastNamedp
foaf:imgop
In range of foaf:knowsop

PersonalProfileDocumentc

URI http://xmlns.com/foaf/0.1/PersonalProfileDocument
Description

A personal profile RDF document.

Super-classes foaf:Documentc

Projectc

URI http://xmlns.com/foaf/0.1/Project
Is Defined By http://xmlns.com/foaf/0.1/
Description

A project (a collective endeavour of some kind).

Object Properties

accountop

URI http://xmlns.com/foaf/0.1/account
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates an account held by this agent.
Domain(s) foaf:Agentc
Range(s) foaf:OnlineAccountc

account service homepageop

URI http://xmlns.com/foaf/0.1/accountServiceHomepage
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates a homepage of the service provide for this online account.
Domain(s) foaf:OnlineAccountc
Range(s) foaf:Documentc

based nearop

URI http://xmlns.com/foaf/0.1/based_near
Is Defined By http://xmlns.com/foaf/0.1/
Description A location that something is based near, for some broadly human notion of near.
Domain(s) geo:SpatialThingc
Range(s) geo:SpatialThingc

current projectop

URI http://xmlns.com/foaf/0.1/currentProject
Is Defined By http://xmlns.com/foaf/0.1/
Description A current project this person works on.
Domain(s) foaf:Personc
Range(s) owl:Thingc

depictionop

URI http://xmlns.com/foaf/0.1/depiction
Is Defined By http://xmlns.com/foaf/0.1/
Description A depiction of some thing.
Inverse properties foaf:depictsop
Domain(s) owl:Thingc
Range(s) foaf:Imagec

depictsop

URI http://xmlns.com/foaf/0.1/depicts
Is Defined By http://xmlns.com/foaf/0.1/
Description A thing depicted in this representation.
Inverse properties foaf:depictionop
Domain(s) foaf:Imagec
Range(s) owl:Thingc

focusop

URI http://xmlns.com/foaf/0.1/focus
Is Defined By http://xmlns.com/foaf/0.1/
Description The underlying or 'focal' entity associated with some SKOS-described concept.
Domain(s) skos:Conceptc
Range(s) owl:Thingc

funded byop

URI http://xmlns.com/foaf/0.1/fundedBy
Is Defined By http://xmlns.com/foaf/0.1/
Description An organization funding a project or person.
Domain(s) owl:Thingc
Range(s) owl:Thingc

accountop

URI http://xmlns.com/foaf/0.1/holdsAccount
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates an account held by this agent.
Domain(s) foaf:Agentc
Range(s) foaf:OnlineAccountc

homepageop

URI http://xmlns.com/foaf/0.1/homepage
Is Defined By http://xmlns.com/foaf/0.1/
Description A homepage for some thing.
Super-properties foaf:isPrimaryTopicOf foaf:pageop
Domain(s) owl:Thingc
Range(s) foaf:Documentc

imageop

URI http://xmlns.com/foaf/0.1/img
Is Defined By http://xmlns.com/foaf/0.1/
Description An image that can be used to represent some thing (ie. those depictions which are particularly representative of something, eg. one's photo on a homepage).
Super-properties foaf:depictionop
Domain(s) foaf:Personc
Range(s) foaf:Imagec

interestop

URI http://xmlns.com/foaf/0.1/interest
Is Defined By http://xmlns.com/foaf/0.1/
Description A page about a topic of interest to this person.
Domain(s) foaf:Agentc
Range(s) foaf:Documentc

knowsop

URI http://xmlns.com/foaf/0.1/knows
Is Defined By http://xmlns.com/foaf/0.1/
Description A person known by this person (indicating some level of reciprocated interaction between the parties).
Domain(s) foaf:Personc
Range(s) foaf:Personc

madeop

URI http://xmlns.com/foaf/0.1/made
Is Defined By http://xmlns.com/foaf/0.1/
Description Something that was made by this agent.
Inverse properties foaf:makerop
Domain(s) foaf:Agentc
Range(s) owl:Thingc

makerop

URI http://xmlns.com/foaf/0.1/maker
Is Defined By http://xmlns.com/foaf/0.1/
Description An agent that made this thing.
Equivalent properties dct:creator
Inverse properties foaf:madeop
Domain(s) owl:Thingc
Range(s) foaf:Agentc

personal mailboxop

URI http://xmlns.com/foaf/0.1/mbox
Is Defined By http://xmlns.com/foaf/0.1/
Description A personal mailbox, ie. an Internet mailbox associated with exactly one owner, the first owner of this mailbox. This is a 'static inverse functional property', in that there is (across time and change) at most one individual that ever has any particular value for foaf:mbox.
Domain(s) foaf:Agentc
Range(s) owl:Thingc

memberop

URI http://xmlns.com/foaf/0.1/member
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates a member of a Group
Domain(s) foaf:Groupc
Range(s) foaf:Agentc

openidop

URI http://xmlns.com/foaf/0.1/openid
Is Defined By http://xmlns.com/foaf/0.1/
Description An OpenID for an Agent.
Super-properties foaf:isPrimaryTopicOf
Domain(s) foaf:Agentc
Range(s) foaf:Documentc

pageop

URI http://xmlns.com/foaf/0.1/page
Is Defined By http://xmlns.com/foaf/0.1/
Description A page or document about this thing.
Inverse properties foaf:topicop
Domain(s) owl:Thingc
Range(s) foaf:Documentc

past projectop

URI http://xmlns.com/foaf/0.1/pastProject
Is Defined By http://xmlns.com/foaf/0.1/
Description A project this person has previously worked on.
Domain(s) foaf:Personc
Range(s) owl:Thingc

phoneop

URI http://xmlns.com/foaf/0.1/phone
Is Defined By http://xmlns.com/foaf/0.1/
Description A phone, specified using fully qualified tel: URI scheme (refs: http://www.w3.org/Addressing/schemes.html#tel).

primary topicop

URI http://xmlns.com/foaf/0.1/primaryTopic
Is Defined By http://xmlns.com/foaf/0.1/
Description The primary topic of some page or document.
Inverse properties foaf:isPrimaryTopicOf
Domain(s) foaf:Documentc
Range(s) owl:Thingc

publicationsop

URI http://xmlns.com/foaf/0.1/publications
Is Defined By http://xmlns.com/foaf/0.1/
Description A link to the publications of this person.
Domain(s) foaf:Personc
Range(s) foaf:Documentc

schoolHomepageop

URI http://xmlns.com/foaf/0.1/schoolHomepage
Is Defined By http://xmlns.com/foaf/0.1/
Description A homepage of a school attended by the person.
Domain(s) foaf:Personc
Range(s) foaf:Documentc

themeop

URI http://xmlns.com/foaf/0.1/theme
Is Defined By http://xmlns.com/foaf/0.1/
Description A theme.
Domain(s) owl:Thingc
Range(s) owl:Thingc

thumbnailop

URI http://xmlns.com/foaf/0.1/thumbnail
Is Defined By http://xmlns.com/foaf/0.1/
Description A derived thumbnail image.
Domain(s) foaf:Imagec
Range(s) foaf:Imagec

tipjarop

URI http://xmlns.com/foaf/0.1/tipjar
Is Defined By http://xmlns.com/foaf/0.1/
Description A tipjar document for this agent, describing means for payment and reward.
Super-properties foaf:pageop
Domain(s) foaf:Agentc
Range(s) foaf:Documentc

topicop

URI http://xmlns.com/foaf/0.1/topic
Is Defined By http://xmlns.com/foaf/0.1/
Description A topic of some page or document.
Inverse properties foaf:pageop
Domain(s) foaf:Documentc
Range(s) owl:Thingc

topic_interestop

URI http://xmlns.com/foaf/0.1/topic_interest
Is Defined By http://xmlns.com/foaf/0.1/
Description A thing of interest to this person.
Domain(s) foaf:Agentc
Range(s) owl:Thingc

weblogop

URI http://xmlns.com/foaf/0.1/weblog
Is Defined By http://xmlns.com/foaf/0.1/
Description A weblog of some thing (whether person, group, company etc.).
Super-properties foaf:pageop
Domain(s) foaf:Agentc
Range(s) foaf:Documentc

work info homepageop

URI http://xmlns.com/foaf/0.1/workInfoHomepage
Is Defined By http://xmlns.com/foaf/0.1/
Description A work info homepage of some person; a page about their work for some organization.
Domain(s) foaf:Personc
Range(s) foaf:Documentc

workplace homepageop

URI http://xmlns.com/foaf/0.1/workplaceHomepage
Is Defined By http://xmlns.com/foaf/0.1/
Description A workplace homepage of some person; the homepage of an organization they work for.
Domain(s) foaf:Personc
Range(s) foaf:Documentc

Functional Properties

agefp

URI http://xmlns.com/foaf/0.1/age
Is Defined By http://xmlns.com/foaf/0.1/
Description The age in years of some agent.
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

birthdayfp

URI http://xmlns.com/foaf/0.1/birthday
Is Defined By http://xmlns.com/foaf/0.1/
Description The birthday of this Agent, represented in mm-dd string form, eg. '12-31'.
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

genderfp

URI http://xmlns.com/foaf/0.1/gender
Is Defined By http://xmlns.com/foaf/0.1/
Description The gender of this Agent (typically but not necessarily 'male' or 'female').
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

Datatype Properties

account namedp

URI http://xmlns.com/foaf/0.1/accountName
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates the name (identifier) associated with this online account.
Domain(s) foaf:OnlineAccountc
Range(s) rdfs:Literalc

AIM chat IDdp

URI http://xmlns.com/foaf/0.1/aimChatID
Is Defined By http://xmlns.com/foaf/0.1/
Description An AIM chat ID
Super-properties foaf:nickdp
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

DNA checksumdp

URI http://xmlns.com/foaf/0.1/dnaChecksum
Is Defined By http://xmlns.com/foaf/0.1/
Description A checksum for the DNA of some thing. Joke.
Range(s) rdfs:Literalc

familyNamedp

URI http://xmlns.com/foaf/0.1/familyName
Is Defined By http://xmlns.com/foaf/0.1/
Description The family name of some person.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

family_namedp

URI http://xmlns.com/foaf/0.1/family_name
Is Defined By http://xmlns.com/foaf/0.1/
Description The family name of some person.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

firstNamedp

URI http://xmlns.com/foaf/0.1/firstName
Is Defined By http://xmlns.com/foaf/0.1/
Description The first name of a person.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

geekcodedp

URI http://xmlns.com/foaf/0.1/geekcode
Is Defined By http://xmlns.com/foaf/0.1/
Description A textual geekcode for this person, see http://www.geekcode.com/geek.html
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

Given namedp

URI http://xmlns.com/foaf/0.1/givenName
Is Defined By http://xmlns.com/foaf/0.1/
Description The given name of some person.

Given namedp

URI http://xmlns.com/foaf/0.1/givenname
Is Defined By http://xmlns.com/foaf/0.1/
Description The given name of some person.

ICQ chat IDdp

URI http://xmlns.com/foaf/0.1/icqChatID
Is Defined By http://xmlns.com/foaf/0.1/
Description An ICQ chat ID
Super-properties foaf:nickdp
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

jabber IDdp

URI http://xmlns.com/foaf/0.1/jabberID
Is Defined By http://xmlns.com/foaf/0.1/
Description A jabber ID for something.
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

lastNamedp

URI http://xmlns.com/foaf/0.1/lastName
Is Defined By http://xmlns.com/foaf/0.1/
Description The last name of a person.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

sha1sum of a personal mailbox URI namedp

URI http://xmlns.com/foaf/0.1/mbox_sha1sum
Is Defined By http://xmlns.com/foaf/0.1/
Description The sha1sum of the URI of an Internet mailbox associated with exactly one owner, the first owner of the mailbox.
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

MSN chat IDdp

URI http://xmlns.com/foaf/0.1/msnChatID
Is Defined By http://xmlns.com/foaf/0.1/
Description An MSN chat ID
Super-properties foaf:nickdp
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

myersBriggsdp

URI http://xmlns.com/foaf/0.1/myersBriggs
Is Defined By http://xmlns.com/foaf/0.1/
Description A Myers Briggs (MBTI) personality classification.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

namedp

URI http://xmlns.com/foaf/0.1/name
Is Defined By http://xmlns.com/foaf/0.1/
Description A name for some thing.
Super-properties rdfs:label
Domain(s) owl:Thingc
Range(s) rdfs:Literalc

nicknamedp

URI http://xmlns.com/foaf/0.1/nick
Is Defined By http://xmlns.com/foaf/0.1/
Description A short informal nickname characterising an agent (includes login identifiers, IRC and other chat nicknames).

plandp

URI http://xmlns.com/foaf/0.1/plan
Is Defined By http://xmlns.com/foaf/0.1/
Description A .plan comment, in the tradition of finger and '.plan' files.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

sha1sum (hex)dp

URI http://xmlns.com/foaf/0.1/sha1
Is Defined By http://xmlns.com/foaf/0.1/
Description A sha1sum hash, in hex.
Domain(s) foaf:Documentc

Skype IDdp

URI http://xmlns.com/foaf/0.1/skypeID
Is Defined By http://xmlns.com/foaf/0.1/
Description A Skype ID
Super-properties foaf:nickdp
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

statusdp

URI http://xmlns.com/foaf/0.1/status
Is Defined By http://xmlns.com/foaf/0.1/
Description A string expressing what the user is happy for the general public (normally) to know about their current activity.
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

Surnamedp

URI http://xmlns.com/foaf/0.1/surname
Is Defined By http://xmlns.com/foaf/0.1/
Description The surname of some person.
Domain(s) foaf:Personc
Range(s) rdfs:Literalc

titledp

URI http://xmlns.com/foaf/0.1/title
Is Defined By http://xmlns.com/foaf/0.1/
Description Title (Mr, Mrs, Ms, Dr. etc)

Yahoo chat IDdp

URI http://xmlns.com/foaf/0.1/yahooChatID
Is Defined By http://xmlns.com/foaf/0.1/
Description A Yahoo chat ID
Super-properties foaf:nickdp
Domain(s) foaf:Agentc
Range(s) rdfs:Literalc

Annotation Properties

dateap

URI http://purl.org/dc/elements/1.1/date

descriptionap

URI http://purl.org/dc/elements/1.1/description

titleap

URI http://purl.org/dc/elements/1.1/title

term_statusap

URI http://www.w3.org/2003/06/sw-vocab-status/ns#term_status

membershipClassap

URI http://xmlns.com/foaf/0.1/membershipClass
Is Defined By http://xmlns.com/foaf/0.1/
Description Indicates the class of individuals that are a member of a Group

assuranceap

URI http://xmlns.com/wot/0.1/assurance

src_assuranceap

URI http://xmlns.com/wot/0.1/src_assurance

Properties

is primary topic ofp

URI http://xmlns.com/foaf/0.1/isPrimaryTopicOf
Is Defined By http://xmlns.com/foaf/0.1/
Description A document that this thing is the primary topic of.
Super-properties foaf:pageop
Inverse properties foaf:primaryTopicop
Domain(s) owl:Thingc
Range(s) foaf:Documentc

Namespaces

con
http://www.w3.org/2000/10/swap/pim/contact#
dc
http://purl.org/dc/elements/1.1/
dct
http://purl.org/dc/terms/
foaf
http://xmlns.com/foaf/0.1/
geo
http://www.w3.org/2003/01/geo/wgs84_pos#
owl
http://www.w3.org/2002/07/owl#
prov
http://www.w3.org/ns/prov#
rdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs
http://www.w3.org/2000/01/rdf-schema#
schema
http://schema.org/
sdo
https://schema.org/
skos
http://www.w3.org/2004/02/skos/core#
vs
http://www.w3.org/2003/06/sw-vocab-status/ns#
wot
http://xmlns.com/wot/0.1/
xsd
http://www.w3.org/2001/XMLSchema#

Legend

cClasses
opObject Properties
fpFunctional Properties
dpData Properties
dpAnnotation Properties
pProperties
niNamed Individuals