- From: Thomas B. Passin <tpassin@comcast.net>
- Date: Mon, 12 May 2003 21:52:17 -0400
- To: www-rdf-interest@w3.org
[Seth Ladd] > > Is this true? To make it unambiguous, do I need to specify a time range? If > > I don't know the time range, can I use a relative term such as "during the > > time I was in Paris" ? > > It might help to think about the statement as a noun. Something like: > > John Doe has Travel Itinerary. > Travel Itinerary has Layover. > Layover hasCity Paris. > Travel Itinerary startsOn "June 5". > Travel Itinerary endsOn "June 8". > Layover startsOn "June 5, midnight". > Layover endsOn "June 6, 3 am". > > So, instead of saying "John Doe is running." you can say "John Doe had > Run." By taking the action (or the "is" in your above example) and > making it a Thing (noun), you can assign all sorts of properties to it. > Such as startsOn or endsOn, to take care of the time issue. > John Sowa has some good examples of this kind of approach (using Conceptual Graphs) in his book on knowldge representation (e.g., figures 3.1, 4.6). Cheers, Tom P
Received on Monday, 12 May 2003 21:53:00 UTC