OWL-Time - ISSUE-158: Introduction and goals

This comment - taken from https://www.w3.org/XML/2007/qts-timeont-comments as noted - relates to the 2006 W3C Working Draft edited by Hobbs and Pan [1] . Indeed that document had a very cursory introduction under the heading 'General issues'.

The current document has a more substantial motivation [2]. In particular, it draws attention to the fact that OWL-Time focuses particularly on predicates related to temporal topology (before, after, during, starts, etc) which are only implicit in the other encodings, though supported by XPath and XQuery functions as mentioned in the comment. Of course the XML tooling only relates to the XML Schema temporal datatypes, and not to the other representations of time supported by OWL-Time.

We hope that these modifications satisfy the concerns raised in the comment.

[1] https://www.w3.org/TR/2006/WD-owl-time-20060927/
[2] http://w3c.github.io/sdw/time/#motivation

Simon J D Cox
Research Scientist
Environmental Informatics
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