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<li class="current">URI Current Status</li>
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<h1 class="title">URI Current Status</h1>
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<ul class="w3c_toc">
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<li>
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<a href="#completed">completed work</a>
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<span class="bullet">• </span>
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<a href="#drafts">drafts</a>
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<span class="bullet">• </span>
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<a href="#externalrefs">resources developed outside W3C</a>
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<div id="w3c_content_body">
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<div id="w3c_generated_status">
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<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
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links to the most recent version of a document.
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For related introductory information, see: <a href="http://www.w3.org/standards/webarch/identifiers">Identifiers</a>.</p>
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<h2 id="completed">Completed Work</h2>
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<p>
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<a href="/TR/tr-technology-stds">W3C Recommendations</a> have
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been reviewed by W3C Members, by software developers, and by other
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W3C groups and interested parties, and are endorsed by the
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Director as Web Standards. Learn more about the <a href="/Consortium/Process/tr#rec-advance">W3C Recommendation
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Track</a>.</p>
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<p>
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<a href="/2005/10/Process-20051014/tr.html#q75">Group Notes</a> are <em>not</em> standards and do not
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have the same level of W3C endorsement.</p>
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<h3 id="notes">Group Notes</h3>
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<div class="data lMargin rMargin">
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<table class="w3c_spec_summary_table">
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<tbody>
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<tr>
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<td class="table_datecol">
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<a href="../history/curie" title="CURIE Syntax 1.0 publication history">2010-12-16</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is NOTE" href="http://www.w3.org/TR/2010/NOTE-curie-20101216">CURIE Syntax 1.0</a>
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</h4>
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<div class="expand_description">
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<p>This document defines a generic, abbreviated syntax for
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expressing URIs. This syntax is intended to be used as a common
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element by language designers. Target languages include, but are
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not limited to, XML languages. The intended audience for this
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document is Language designers, not the users of those
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Languages.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<a href="../history/cooluris" title="Cool URIs for the Semantic Web publication history">2008-12-03</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is NOTE" href="http://www.w3.org/TR/2008/NOTE-cooluris-20081203/">Cool URIs for the Semantic Web</a>
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</h4>
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<div class="expand_description">
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<p>
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<span>The <em>Resource Description Framework</em> RDF
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allows users to describe both Web documents and concepts
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from the real world—people, organisations, topics, things—in a computer-processable way.
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Publishing such descriptions on the Web creates the <em>Semantic Web</em>. URIs (Uniform Resource Identifiers) are very
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important, providing both the core of the framework itself and the link between RDF and the Web. This document presents
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guidelines for their effective use. It discusses two strategies, called <em>303
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URIs</em> and <em>hash URIs</em>. It gives pointers to several Web sites that
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use these solutions, and briefly discusses why several other proposals have
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problems. </span>
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</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<a href="../history/leiri" title="Legacy extended IRIs for XML resource identification publication history">2008-11-03</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is NOTE" href="http://www.w3.org/TR/2008/NOTE-leiri-20081103/">Legacy extended IRIs for XML resource identification</a>
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</h4>
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<p class="rec_support_data">
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<a href="http://www.w3.org/2003/03/Translations/byTechnology?technology=leiri">translations</a>
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</p>
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<div class="expand_description">
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<p>For historic reasons, some formats have allowed variants of IRIs that are somewhat less restricted in syntax, for example XML system identifiers and W3C XML Schema anyURIs. This document provides a definition and a name (Legacy Extended IRI or LEIRI) for these variants for easy reference.
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</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<a href="../history/uri-clarification" title="URIs, URLs, and URNs: Clarifications and Recommendations 1.0 publication history">2001-09-21</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is NOTE" href="http://www.w3.org/TR/2001/NOTE-uri-clarification-20010921/">URIs, URLs, and URNs: Clarifications and Recommendations 1.0</a>
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</h4>
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<div class="expand_description">
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<p>This paper addresses and attempts to clarify two issues
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pertaining to URIs, and presents recommendations. Section 1
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addresses how URI space is partitioned and the relationship between
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URIs, URLs, and URNs. Section 2 describes how URI schemes and URN
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namespace ids are registered. Section 3 mentions additional
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unresolved issues not considered by this paper and section 4
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presents recommendations.</p>
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</div>
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</td>
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</tr>
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<tr class="lastRow">
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<td>
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<a href="../history/TVWeb-URI-Requirements" title="TV Broadcast URI Schemes Requirements publication history">1999-10-21</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is NOTE" href="http://www.w3.org/TR/1999/NOTE-TVWeb-URI-Requirements-19991021">TV Broadcast URI Schemes Requirements</a>
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</h4>
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<div class="expand_description">
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<p>This document is an informational document and discusses the
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requirements posed to URI schemes for identifying resources in
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Television (TV) Broadcast environments. The document is the outcome
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of discussions on this subject by the W3C TV-Web Interest Group
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[TVWebIG, TVWebMail].</p>
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<p>Typical use cases are summarized where TV Broadcast URIs are
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involved. A distinction is made between Global and Local usage.
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Also, a hierarchy of resource types is identified. Requirements
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related to the Global usage case are listed.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<h2 id="drafts">Drafts</h2>
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<p>Below are draft documents:
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<a href="/2005/10/Process-20051014/tr.html#RecsWD">other Working Drafts</a>.
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Some of these may become Web Standards through the <a href="/Consortium/Process/tr#rec-advance">W3C Recommendation Track
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process</a>. Others may be published as Group Notes or
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become obsolete specifications.</p>
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<h3 id="wd">Other Working Drafts</h3>
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<div class="data lMargin rMargin">
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<table class="w3c_spec_summary_table">
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<tbody>
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<tr class="lastRow">
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<td class="table_datecol">
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<a href="../history/hash-in-uri" title="Usage Patterns For Client-Side URI parameters publication history">2009-04-15</a>
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</td>
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<td>
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<h4 class="w3c_status_title">
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<a title="status is WD" href="http://www.w3.org/TR/2009/WD-hash-in-uri-20090415/">Usage Patterns For Client-Side URI parameters</a>
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</h4>
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<div class="expand_description">
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<p>This is a sample short description for this specification;
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over time we will replace this description with a real one.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<div id="externalrefs" class="tMarginLg">
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<h2>Resources Developed Outside W3C</h2>
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<p>The following resources are relevant to this area of work.</p>
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<h3>RFC 3986</h3>
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<p>
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<a href="http://www.ietf.org/rfc/rfc3986.txt">RFC 3986: Uniform Resource Identifier (URI): Generic Syntax </a> defines URIs. Quoting from the RFC: "A Uniform Resource Identifier (URI) is a compact sequence of
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characters that identifies an abstract or physical resource. This
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specification defines the generic URI syntax and a process for
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resolving URI references that might be in relative form, along with
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guidelines and security considerations for the use of URIs on the
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Internet."</p>
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</div>
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</div>
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<p class="copyright">Copyright © 2012 W3C <sup>®</sup> (<a href="http://www.csail.mit.edu/">
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