<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Alex,<div><br></div><div>Not exactly an answer to your question, but a related point…</div><div><br></div><div>Are you aware that you can represent local numbers using tel: URIs? These require a phone context, which can either be a global number prefix or a domain name. Southampton's ECS RDF system used such URIs, for example: tel:23269;phone-context=<a href="http://soton.ac.uk">soton.ac.uk</a> . See RFC3966, section 5.1.5 for more details.</div><div><br></div><div><br></div><div>Regards,</div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>Colin Williams</div><div><a href="mailto:crw104@ecs.soton.ac.uk">crw104@ecs.soton.ac.uk</a></div><div><br></div></span><br class="Apple-interchange-newline">
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<br><div><div>On 14 Jan 2013, at 10:13, Alexander Dutton <<a href="mailto:alexander.dutton@it.ox.ac.uk">alexander.dutton@it.ox.ac.uk</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">-----BEGIN PGP SIGNED MESSAGE-----<br>Hash: SHA1<br><br>Hi all,<br><br>At the moment we have<br><|<a href="http://vocab.ox.ac.uk/ad-hoc-data-ox/oxfordExtensionNumber">http://vocab.ox.ac.uk/ad-hoc-data-ox/oxfordExtensionNumber</a>> for<br>internal telephone extension numbers. Is it worth generalising to<br>oo:telephoneExtension, with the network being encoded in the datatype<br>(like skos:notation)?<br><br>e.g.:<br><br><#alex> v:tel <+441865613483> ;<br> oo:telephoneExtension<br>"13483"^^<<a href="https://data.ox.ac.uk/id/notation/extensionNumber">https://data.ox.ac.uk/id/notation/extensionNumber</a>> .<br><br>Or:<br><br><#alex> oo:telephoneExtension [ a vcard:Voice ; rdf:value "13483" ;<br>oo:telephoneNetwork <#network> ]<br><br>Some extensions aren't on the public phone network, so we can't really do:<br><br>|||<#alex> v:tel <+441865613483> .<br><br>||||||<+441865613483>|| oo:telephoneExtension ||<br>|||[ rdf:value "13483" ; oo:telephoneNetwork <#network> ]| |<br><br>Our phone directory lists about three networks (what with the<br>hospitals), and tie lines between them. With a bit of craftiness this<br>could be encoded, allowing clever agents to present the right tie prefix<br>to users. ([ a tie:TieLie ; tie:from <#uni> ; tie:to <#hospital> ;<br>tie:prefix "123" ])<br><br>Yours,<br><br>Alex<br>|<br><br>- -- <br>Alexander Dutton<br>Linked Open Data Architect, Office of the CIO; <a href="http://data.ox.ac.uk">data.ox.ac.uk</a>, OxPoints<br>IT Services, University of Oxford, ℡ 01865 (6)13483<br>-----BEGIN PGP SIGNATURE-----<br>Version: GnuPG v1.4.12 (GNU/Linux)<br>Comment: Using GnuPG with undefined - <a href="http://www.enigmail.net/">http://www.enigmail.net/</a><br><br>iQEcBAEBAgAGBQJQ89o2AAoJEPotabD1ANF7kLwH/1ey7EihxG2Pcp7EgDlGDDAm<br>X1efRJc5R/xbRpOxz+P+Wa/TsrPOG0hPsgxvj/2f5it5tTsm5fcq7mbr45uKhb3f<br>l9vNZul5wfki4ZiQeOqR9G30wHNssICMcDmtXuyqP3ZM1715uDEKQJR1yCXKUim/<br>uYOpzFDmBFvtU5T8dq95PoXVYnWwxlvGzzLECih3CTJlZaqrXfclZfKvND4Cg1Yr<br>ZqmSDtYOdAbWG/OMDDLQn3m8J/cBQJHoZeir9kiQWVu1cCLixyZCxIc2SIn1nRZ6<br>1Iv8weVQVgjQkCF5cwFp2DKXZzRJRQ/2ScbBQXJJoYaXe1XDx/kRbIAZu3vlONQ=<br>=kHCS<br>-----END PGP SIGNATURE-----<br>_______________________________________________<br>Buildingdata mailing list<br><a href="mailto:Buildingdata@ecs.soton.ac.uk">Buildingdata@ecs.soton.ac.uk</a><br>http://mailman.ecs.soton.ac.uk/mailman/listinfo/buildingdata<br></blockquote></div><br></div></body></html>