Web Ontologies

Ontology Namespace Filter Ontology Namespace topics

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table started by narphorium for the Web Ontologies Base
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    sc
FOAF foaflets.jpg
FOAF (an acronym of Friend of a friend) is a machine-readable ontology describing persons, their activities and their relations to other people and objects. Anyone can use FOAF to describe him or herself. FOAF allows groups of people to describe...
foaf
Dublin Core logo_lg.gif
The Dublin Core metadata element set is a standard for cross-domain information resource description. It defines conventions for describing things online in ways that make them easy to find. Dublin Core is widely used to describe digital materials...
dc
OpenCyc opencyc3-logo-1.gif   opencyc
Geo GeoGreatBarr
Geo is a microformat used for marking up WGS84 geographical coordinates (latitude;longitude) in (X)HTML. Although termed a "draft" specification, this is a formality, and the format is stable and in use; not least as a sub-set of the published...
geo
MusicBrainz Metadata Vocabulary musicbrainz_logos.png
The MusicBrainz Metadata Vocabulary described using W3C RDF Schema and the Web Ontology Language. The vocabulary provides terms for describing music, i.e. artists, albums, and tracks.
mb
OpenCalais calais_logo.png
The OpenCalais ontology is used to mark up textual documents with information about named entities. It supports a rich set of semantic metadata, including entities, events and facts.
e
OpenCalais calais_logo.png
The OpenCalais ontology is used to mark up textual documents with information about named entities. It supports a rich set of semantic metadata, including entities, events and facts.
person
UMBEL umbel_medium.png
UMBEL (Upper Mapping and Binding Exchange Layer) is a lightweight ontology structure for relating Web content and data to a standard set of subject concepts. Its purpose is to provide a fixed set of reference points in a global...
umbel
UMBEL umbel_medium.png
UMBEL (Upper Mapping and Binding Exchange Layer) is a lightweight ontology structure for relating Web content and data to a standard set of subject concepts. Its purpose is to provide a fixed set of reference points in a global...
sc
UMBEL umbel_medium.png
UMBEL (Upper Mapping and Binding Exchange Layer) is a lightweight ontology structure for relating Web content and data to a standard set of subject concepts. Its purpose is to provide a fixed set of reference points in a global...
ac
Creative Commons Ontology creative_commons_bw.gif   cc
GeoNames geonames.png
GeoNames is a geographical data base available and accessible through various Web services, under a Creative Commons attribution license. The GeoNames database contains over 8,000,000 geographical names corresponding to over 6,500,000 unique...
geonames
SIOC The SIOC project logo.
Semantically-Interlinked Online Communities Project (SIOC - pronounced "shock") is a Semantic Web technology. SIOC provides methods for interconnecting discussion methods such as blogs, forums and mailing lists to each other. It consists of the SIOC...
sioc
DBpedia Dbpedia_logo.png
Wikipedia is the by far largest publicly available encyclopedia on the Web. Wikipedia editions are available in over 250 languages with the English one accounting for more than 1.95 million articles. Wikipedia...
dbpedia
UMBEL umbel_medium.png
UMBEL (Upper Mapping and Binding Exchange Layer) is a lightweight ontology structure for relating Web content and data to a standard set of subject concepts. Its purpose is to provide a fixed set of reference points in a global...
ne
UMBEL umbel_medium.png
UMBEL (Upper Mapping and Binding Exchange Layer) is a lightweight ontology structure for relating Web content and data to a standard set of subject concepts. Its purpose is to provide a fixed set of reference points in a global...
semset-en
Description of a Project doap.png
Description of a Project (DOAP) is an RDF schema and XML vocabulary to describe open-source projects. It was created and initially developed by Edd Dumbill to convey semantically information associated with open-source software projects. It is...
doap
SKOS SKOS.png
Simple Knowledge Organisation Systems (SKOS) is a family of formal languages designed for representation of thesauri, classification schemes, taxonomies, subject-heading systems, or any other type of structured controlled vocabulary. SKOS is built...
skos
vCard  
vCard is a file format standard for electronic business cards. vCards are often attached to e-mail messages, but can be exchanged in other ways, such as on the World Wide Web. They can contain name and address information, phone numbers, URLs, logos...
vcard
APML 479308805_141377a1cf.jpg?v=0
APML (Attention Profiling Mark-up Language) is an XML-based format for capturing a person's interests and dislikes. APML allows people to share their own personal attention profile in much the same way that OPML allows the exchange of reading lists...
apml
RDF Schema  
RDF Schema (various abbreviated as RDFS, RDF(S), RDF-S, or RDF/S) is an extensible knowledge representation language, providing basic elements for the description of ontologies, otherwise called Resource Description Framework (RDF) vocabularies,...
rdfs
Resource Description Framework  
The Resource Description Framework (RDF) is a family of World Wide Web Consortium (W3C) specifications originally designed as a metadata data model. It has come to be used as a general method for conceptual description or modeling of information...
rdf
Web Ontology Language  
The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, and is endorsed by the World Wide Web Consortium. This family of languages is based on two (largely, but not entirely, compatible) semantics:...
owl
SADDLE     saddle
SPARQL  
SPARQL (pronounced "sparkle" ) is an RDF query language; its name is a recursive acronym that stands for SPARQL Protocol and RDF Query Language. It was standardized by the RDF Data Access Working Group (DAWG) of the World Wide Web Consortium, and is...
sparql
XPath  
XPath (XML Path Language) is a language for selecting nodes from an XML document. In addition, XPath may be used to compute values (strings, numbers, or boolean values) from the content of an XML document. The current version of the language is...
fn
Bibliographic Ontology BIBO logo   bibo
Void  
voiD (from "Vocabulary of Interlinked Datasets") is an RDF based schema to describe linked datasets. With voiD the discovery and usage of linked datasets can be performed both effectively and efficiently. A dataset is a collection of data, published...
void
Common Tag logo-commontag-006633-upper.png
Common Tag standard for tagging web pages, images, videos and other resources
ctag
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