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In message <[log in to unmask] ton.gov.uk>, Linda Ellis <[log in to unmask]> writes >I would be most interested to hear from someone from Collections Trust >regarding how CultureGrid will deal with dates particularly BC dates >and how these might work with projects like Century Share which use >timelines. Ditto. In general, I imagine that if we want to share/search date-related information, we will have to treat dates either as a set of discrete concepts, e.g.: http://dbpedia.org/resource/1700 for the concept of the year 1700 A.D., or as a set of numeric values along a time axis, as per the suggestions of Wolfgang Orthuber [1]. Personally, I would think we would get more value out of the first approach, especially if we agree on mechanisms for expressing date ranges using "concept" dates. Richard [1] http://www.orthuber.com/wp1.pdf -- Richard Light **************************************************************** For mcg information visit the mcg website at http://www.museumscomputergroup.org.uk To manage your subscription to this email list visit http://www.museumscomputergroup.org.uk/email.shtml ****************************************************************