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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I have set up a Wiki page for discussion of schema.org: <a href="http://wiki.gpii.net/index.php/Discussion_on_Schema.org">http://wiki.gpii.net/index.php/Discussion_on_Schema.org</a>.  (I am also posting my initial content in this message – below my signature.)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>My personal conclusion of looking at schema.org is that its purpose is different from ours and that we have no benefit of using it.  Please feel free to add your comments and additional information.  <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Gottfried<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'>___________________________________________________<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'> Prof. Dr. Gottfried Zimmermann<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'> Mobile User Interaction<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:DE'>___________________________________________________<o:p></o:p></span></p><h1><span lang=EN-US>Discussion on Schema.org<o:p></o:p></span></h1><p><span lang=EN>References: <o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN>Classes and properties: <a href="http://schema.org/docs/full.html">http://schema.org/docs/full.html</a> <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><span lang=EN>Extension mechanism: <a href="http://schema.org/docs/extension.html">http://schema.org/docs/extension.html</a> <o:p></o:p></span></li></ul><p><span lang=EN>Should we use schema.org for expressing context/device descriptions in GPII? <o:p></o:p></span></p><p><span lang=EN>Pros: <o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo2'><span lang=EN>Established mechanism in mainstream Web technologies <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo2'><span lang=EN>Based on semantic web technologies <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l2 level1 lfo2'><span lang=EN>Used by a number of search engines <o:p></o:p></span></li></ul><p><span lang=EN>Cons <o:p></o:p></span></p><ul type=disc><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo3'><span lang=EN>There is hardly any property in schema.org that we could use for expressing context/device information in GPII. So we would have to make our own extensions (which is possible, of course). <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo3'><span lang=EN>The purpose of schema.org is to support search engines in figuring out what the content of Web pages is. Our purpose is different - there is no intent to publish context or device description in web pages. <o:p></o:p></span></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo3'><span lang=EN>schema.org doesn't provide us with a mechanism for a continuous registration process that is driven by an ISO standard. We need to have full control over what gets adopted and what gets rejected, based on the process description in the future ISO/IEC 24751. <o:p></o:p></span></li></ul><p class=MsoNormal><span lang=EN><o:p> </o:p></span></p></div></body></html>