owl
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<li class="current">OWL Web Ontology Language Current Status</li>
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<h1 class="title">OWL Web Ontology Language Current Status</h1>
<ul class="w3c_toc">
<li>
<a href="#completed">completed work</a>
— including <a href="#stds">standards</a>
<span class="bullet">• </span>
</li>
<li>
<a href="#obsolete">obsolete specifications</a>
</li>
</ul>
<div id="w3c_content_body">
<div id="w3c_generated_status">
<p id="w3c_toggle_include" class="default_open intro tPadding">This page summarizes the relationships among specifications, whether they are finished standards or drafts. Below, each title
links to the most recent version of a document.
For related introductory information, see: <a href="http://www.w3.org/standards/semanticweb/inference">Inference</a>, <a href="http://www.w3.org/standards/semanticweb/ontology">Vocabularies</a>.</p>
<h2 id="completed">Completed Work</h2>
<p>
<a href="/TR/tr-technology-stds">W3C Recommendations</a> have
been reviewed by W3C Members, by software developers, and by other
W3C groups and interested parties, and are endorsed by the
Director as Web Standards. Learn more about the <a href="/Consortium/Process/tr#rec-advance">W3C Recommendation
Track</a>.</p>
<p>
<a href="/2005/10/Process-20051014/tr.html#q75">Group Notes</a> are <em>not</em> standards and do not
have the same level of W3C endorsement.</p>
<h3 id="stds">Standards</h3>
<div class="data lMargin rMargin">
<table class="w3c_spec_summary_table">
<tbody>
<tr>
<td class="table_datecol">
<a href="../history/rif-rdf-owl" title="RIF RDF and OWL Compatibility publication history">2010-06-22</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2010/REC-rif-rdf-owl-20100622/">RIF RDF and OWL Compatibility</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2010/rif/translation/rif-rdf-owl">translations</a>
·
<a href="http://www.w3.org/2010/rif/errata">errata</a>
</p>
<div class="expand_description">
<p>A formal specification for how RIF can be used with RDF and OWL, including the semantics of different ways of importing RDF data and OWL ontologies into RIF rule systems.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-overview" title="OWL 2 Web Ontology Language Document Overview publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-overview-20091027/">OWL 2 Web Ontology Language Document Overview</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-overview">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document serves as an introduction to OWL 2 and the various
other OWL 2 documents. It describes the syntaxes for OWL 2, the
different kinds of semantics, the available profiles (sub-languages),
and the relationship between OWL 1 and OWL 2.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-syntax" title="OWL 2 Web Ontology Language Structural Specification and Functional-Style Syntax publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-syntax-20091027/">OWL 2 Web Ontology Language Structural Specification and Functional-Style Syntax</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-syntax">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>The meaningful constructs provided by OWL 2 are defined in terms of
their structure. As well, a functional-style syntax is defined for
these constructs, with examples and informal descriptions. One can
reason with OWL 2 ontologies under either the RDF-Based Semantics or
the Direct Semantics. If certain restrictions on OWL 2 ontologies are
satisfied and the ontology is in OWL 2 DL, reasoning under the Direct
Semantics can be implemented using techniques well known in the
literature.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-mapping-to-rdf" title="OWL 2 Web Ontology Language Mapping to RDF Graphs publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-mapping-to-rdf-20091027/">OWL 2 Web Ontology Language Mapping to RDF Graphs</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-mapping-to-rdf">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document defines the mapping of OWL 2 ontologies into RDF
graphs, and vice versa.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-direct-semantics" title="OWL 2 Web Ontology Language Direct Semantics publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-direct-semantics-20091027/">OWL 2 Web Ontology Language Direct Semantics</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-direct-semantics">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document provides the direct model-theoretic semantics for OWL
2, which is compatible with the description logic SROIQ. Furthermore,
this document defines the most common inference problems for OWL 2.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-rdf-based-semantics" title="OWL 2 Web Ontology Language RDF-Based Semantics publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-rdf-based-semantics-20091027/">OWL 2 Web Ontology Language RDF-Based Semantics</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-rdf-based-semantics">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document defines the RDF-compatible model-theoretic semantics
of OWL 2.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-conformance" title="OWL 2 Web Ontology Language Conformance publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-conformance-20091027/">OWL 2 Web Ontology Language Conformance</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-conformance">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document describes the conditions that OWL 2 tools must satisfy
in order to be conformant with the language specification. It also
presents a common format for OWL 2 test cases that both illustrate the
features of the language and can be used for testing conformance.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-profiles" title="OWL 2 Web Ontology Language Profiles publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-profiles-20091027/">OWL 2 Web Ontology Language Profiles</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-profiles">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document provides a specification of several profiles of OWL 2
which can be more simply and/or efficiently implemented. In logic,
profiles are often called fragments. Most profiles are defined by
placing restrictions on the structure of OWL 2 ontologies. These
restrictions have been specified by modifying the productions of the
functional-style syntax.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-primer" title="OWL 2 Web Ontology Language Primer publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-primer-20091027/">OWL 2 Web Ontology Language Primer</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-primer">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This primer provides an approachable introduction to OWL 2,
including orientation for those coming from other disciplines, a
running example showing how OWL 2 can be used to represent first simple
information and then more complex information, how OWL 2 manages
ontologies, and finally the distinctions between the various
sublanguages of OWL 2.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-new-features" title="OWL 2 Web Ontology Language New Features and Rationale publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-new-features-20091027/">OWL 2 Web Ontology Language New Features and Rationale</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-new-features">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document is a simple introduction to the new features of the
OWL 2 Web Ontology Language, including an explanation of the
differences between the initial version of OWL and OWL 2. The document
also presents the requirements that have motivated the design of the
main new features, and their rationale from a theoretical and
implementation perspective.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-quick-reference" title="OWL 2 Web Ontology Language Quick Reference Guide publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-quick-reference-20091027/">OWL 2 Web Ontology Language Quick Reference Guide</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-quick-reference">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document provides a non-normative quick reference guide to the
OWL 2 language. It also provides links to other documents, including
the OWL 2 Primer for language introduction and examples, the OWL 2
Structural Specification and Functional Syntax document for more
details of the functional syntax, and the OWL 2 New Features and
Rationale document for new feature descriptions.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-xml-serialization" title="OWL 2 Web Ontology Language XML Serialization publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-xml-serialization-20091027/">OWL 2 Web Ontology Language XML Serialization</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/owl2-xml-serialization">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document specifies an XML serialization for OWL 2 that mirrors
its structural specification. An XML schema defines this syntax and is
available as a separate document, as well as being included here.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/rdf-plain-literal" title="rdf:PlainLiteral: A Datatype for RDF Plain Literals publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2009/REC-rdf-plain-literal-20091027/">rdf:PlainLiteral: A Datatype for RDF Plain Literals</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2007/OWL/translation/rdf-plain-literal">translations</a>
·
<a href="http://www.w3.org/2007/OWL/errata">errata</a>
</p>
<div class="expand_description">
<p>This document presents the specification of a primitive datatype for
the plain literals of RDF.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-features" title="OWL Web Ontology Language Overview publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-owl-features-20040210/">OWL Web Ontology Language Overview</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/owl-features">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#owl-features">errata</a>
</p>
<div class="expand_description">
<p>Please see the description of the newer, comparable document: "<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-overview-20091027/" shape="rect">OWL 2 Web
Ontology Language Document Overview"</a>
</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-guide" title="OWL Web Ontology Language Guide publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-owl-guide-20040210/">OWL Web Ontology Language Guide</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/owl-guide">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#owl-guide">errata</a>
</p>
<div class="expand_description">
<p>Please see the description of the newer, comparable document: "OWL 2
Web Ontology Language Primer"</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-ref" title="OWL Web Ontology Language Reference publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-owl-ref-20040210/">OWL Web Ontology Language Reference</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/owl-ref">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#owl-ref">errata</a>
</p>
<div class="expand_description">
<p>This document contains a structured informal description of the full
set of OWL language constructs and is meant to serve as a reference for
OWL users who want to construct OWL ontologies. See the newer,
comparable document: "OWL 2 Web Ontology Language Structural
Specification and Functional-Style Syntax"</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-semantics" title="OWL Web Ontology Language Semantics and Abstract Syntax publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-owl-semantics-20040210/">OWL Web Ontology Language Semantics and Abstract Syntax</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/owl-semantics">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#owl-semantics">errata</a>
</p>
<div class="expand_description">
<p>See the newer, comparable document: "OWL 2 Web Ontology Language
Structural Specification and Functional-Style Syntax"</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-test" title="OWL Web Ontology Language Test Cases publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-owl-test-20040210/">OWL Web Ontology Language Test Cases</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/owl-test">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#owl-test">errata</a>
</p>
<div class="expand_description">
<p>See the newer, comparable document: "<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-conformance-20091027/" shape="rect">OWL 2
Web Ontology Language Conformance</a>"</p>
</div>
</td>
</tr>
<tr class="lastRow">
<td>
<a href="../history/webont-req" title="OWL Web Ontology Language Use Cases and Requirements publication history">2004-02-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is REC" href="http://www.w3.org/TR/2004/REC-webont-req-20040210/">OWL Web Ontology Language Use Cases and Requirements</a>
</h4>
<p class="rec_support_data">
<a href="http://www.w3.org/2001/sw/RDFCore/translation/webont-req">translations</a>
·
<a href="http://www.w3.org/2001/sw/WebOnt/errata#webont-req">errata</a>
</p>
<div class="expand_description">
<p>See the newer, comparable document: "<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-conformance-20091027/" shape="rect">OWL 2
Web Ontology Language New Features and Rationale</a>"</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<h3 id="notes">Group Notes</h3>
<div class="data lMargin rMargin">
<table class="w3c_spec_summary_table">
<tbody>
<tr>
<td class="table_datecol">
<a href="../history/rif-owl-rl" title="OWL 2 RL in RIF publication history">2010-06-22</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2010/NOTE-rif-owl-rl-20100622/">OWL 2 RL in RIF</a>
</h4>
<div class="expand_description">
<p>A detailed explanation of how to implement OWL 2 RL reasoning using RIF Core.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-manchester-syntax" title="OWL 2 Web Ontology Language Manchester Syntax publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2009/NOTE-owl2-manchester-syntax-20091027/">OWL 2 Web Ontology Language Manchester Syntax</a>
</h4>
<div class="expand_description">
<p>The Manchester syntax is a user-friendly compact syntax for OWL 2
ontologies; it is frame-based, as opposed to the axiom-based other
syntaxes for OWL 2. The Manchester Syntax is used in the OWL 2 Primer,
and this document provides the language used there. It is expected that
tools will extend the Manchester Syntax for their own purposes, and
tool builders may collaboratively extend the common language.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl2-dr-linear" title="OWL 2 Web Ontology Language Data Range Extension: Linear Equations publication history">2009-10-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2009/NOTE-owl2-dr-linear-20091027/">OWL 2 Web Ontology Language Data Range Extension: Linear Equations</a>
</h4>
<div class="expand_description">
<p>This document specifies a syntax and semantics for incorporating
linear equations with rational coefficients solved in the reals in OWL
2.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/swbp-n-aryRelations" title="Defining N-ary Relations on the Semantic Web publication history">2006-04-12</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2006/NOTE-swbp-n-aryRelations-20060412/">Defining N-ary Relations on the Semantic Web</a>
</h4>
<div class="expand_description">
<p>This document presents ontology patterns for representing n-ary
relations in RDF and OWL and discusses what users must consider when
choosing these patterns.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/swbp-xsch-datatypes" title="XML Schema Datatypes in RDF and OWL publication history">2006-03-14</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2006/NOTE-swbp-xsch-datatypes-20060314/">XML Schema Datatypes in RDF and OWL</a>
</h4>
<div class="expand_description">
<p>This document addresses three questions left unanswered by these
Recommendations: Which URIref should be used to refer to a user defined
datatype? Which values of which XML Schema simple types are the same?
How to use the problematic xsd:duration in RDF and OWL? In addition, we
further describe how to integrate OWL DL with user defined datatypes</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/swbp-specified-values" title="Representing Specified Values in OWL: "value partitions" and "value sets" publication history">2005-05-17</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2005/NOTE-swbp-specified-values-20050517">Representing Specified Values in OWL: "value partitions" and "value sets"</a>
</h4>
<div class="expand_description">
<p>This document describes two methods to represent various descriptive
"features" (also known variously as "qualities", "attributes" or
"modifiers") and their specified values: 1) as partitions of classes;
and 2) as enumerations of individuals. It does not discuss the use of
datatypes to represent lists of values.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/swbp-classes-as-values" title="Representing Classes As Property Values on the Semantic Web publication history">2005-04-05</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2005/NOTE-swbp-classes-as-values-20050405">Representing Classes As Property Values on the Semantic Web</a>
</h4>
<div class="expand_description">
<p>This document addresses the issue of using classes as property
values in OWL and RDF Schema.</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/owl-parsing" title="OWL Web Ontology Language Parsing OWL in RDF/XML publication history">2004-01-21</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2004/NOTE-owl-parsing-20040121">OWL Web Ontology Language Parsing OWL in RDF/XML</a>
</h4>
<div class="expand_description">
<p>See the newer, comparable document: "<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-xml-serialization-20091027/" shape="rect">OWL
2 Web Ontology Language Mapping to RDF Graphs</a>".</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/lbase" title="LBase: Semantics for Languages of the Semantic Web publication history">2003-10-10</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2003/NOTE-lbase-20031010/">LBase: Semantics for Languages of the Semantic Web</a>
</h4>
<div class="expand_description">
<p>This document describes a mechanism for providing a precise
semantics for the Semantic Web Languages (referred to as SWELs from now
on. The purpose of this is to define clearly the consequences and
allowed inferences from constructs in these languages.</p>
</div>
</td>
</tr>
<tr class="lastRow">
<td>
<a href="../history/owl-xmlsyntax" title="OWL Web Ontology Language XML Presentation Syntax publication history">2003-06-11</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is NOTE" href="http://www.w3.org/TR/2003/NOTE-owl-xmlsyntax-20030611/">OWL Web Ontology Language XML Presentation Syntax</a>
</h4>
<div class="expand_description">
<p>See the newer, comparable document: "<a title="status is REC" href="http://www.w3.org/TR/2009/REC-owl2-xml-serialization-20091027/" shape="rect">OWL
2 Web Ontology Language XML Serialization</a>".</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<h2 id="obsolete">Obsolete Specifications</h2>
<p>These specifications have either been superseded by others,
or have been abandoned. They remain available for archival
purposes, but are not intended to be used.</p>
<h3 id="retired">
Retired
</h3>
<div class="data lMargin rMargin">
<table class="w3c_spec_summary_table">
<tbody>
<tr>
<td class="table_datecol">
<a href="../history/owl-time" title="Time Ontology in OWL publication history">2006-09-27</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is RETIRED" href="http://www.w3.org/TR/2006/WD-owl-time-20060927/">Time Ontology in OWL</a>
</h4>
<div class="expand_description">
<p>This document presents an ontology of temporal concepts,
OWL-Time (formerly DAML-Time) [4,10], for describing the temporal content of Web pages
and the temporal properties of Web services. The ontology provides
a vocabulary for expressing facts about topological relations among
instants and intervals, together with information about durations,
and about datetime information. We also demonstrate in detail,
using the Congo.com and Bravo Air examples from OWL-S [11], how this time ontology can be used to support
OWL-S, including use cases for defining input parameters and
(conditional) output parameters. A use case for meeting scheduling
is also shown. In the appendix we also describe a time zone
resource in OWL we developed for not only the US but also the
entire world, including the time zone ontology, the US time zone
instances, and the world time zone instances.<br />
</p>
</div>
</td>
</tr>
<tr>
<td>
<a href="../history/wordnet-rdf" title="RDF/OWL Representation of WordNet publication history">2006-06-19</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is RETIRED" href="http://www.w3.org/TR/2006/WD-wordnet-rdf-20060619/">RDF/OWL Representation of WordNet</a>
</h4>
<div class="expand_description">
<p>This document presents a standard conversion of Princeton
WordNet to RDF/OWL. It describes how it was converted and gives
examples of how it may be queried for use in Semantic Web
applications.</p>
</div>
</td>
</tr>
<tr class="lastRow">
<td>
<a href="../history/swbp-image-annotation" title="Image Annotation on the Semantic Web publication history">2006-03-22</a>
</td>
<td>
<h4 class="w3c_status_title">
<a title="status is RETIRED" href="http://www.w3.org/TR/2006/WD-swbp-image-annotation-20060322/">Image Annotation on the Semantic Web</a>
</h4>
<div class="expand_description">
<p>
Many applications that involve multimedia content make use of
some form of metadata that describe this content. The goals of
this document are (i) to explain what the advantages are of
using Semantic Web languages and technologies for the creation,
storage, manipulation, interchange and processing of image
metadata, and (ii) to provide guidelines for doing so. The document
gives a number of use cases that illustrate ways to exploit
Semantic Web technologies for image annotation, an overview of RDF
and OWL vocabularies developed for this task and an overview of
relevant tools.
</p>
<dl>
<dt>Lastest version: </dt>
<dd>
http://www.w3.org/2005/Incubator/mmsem/XGR-image-annotation/</dd>
<dt>Previous version:</dt>
<dd>
http://www.w3.org/TR/2006/WD-swbp-image-annotation-20060322/</dd>
</dl>
<p>Copyright © 2007 W3C<sup>®</sup> (MIT, ERCIM, Keio), All Rights Reserved. W3C liability, trademark and document use rules apply.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
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