- From: Melvin Carvalho <melvincarvalho@gmail.com>
- Date: Tue, 5 Jan 2010 08:42:20 +0100
- To: Pat Hayes <phayes@ihmc.us>
- Cc: darood <samatar.sharmarke@gmail.com>, semantic-web@w3.org
- Message-ID: <9178f78c1001042342j5f9975bes1e1b502c489086a7@mail.gmail.com>
On Tue, Jan 5, 2010 at 7:54 AM, Pat Hayes <phayes@ihmc.us> wrote: > > On Jan 4, 2010, at 5:11 PM, darood wrote: > > >> Cheers Dan, I had one more question which I am a bit wary about: >> >> Is the following which I listed as transitive, symmetric and/or functional >> correct? >> • “taller than” - Transitive >> > > Yes. Inverse would be "shorter than" > > • “sister of” - Symmetric >> > > No. Mary sisterOf John, but not John sisterOf Mary. > > Inverse would be "has sister" > > • “mother of” - Functional >> > > No. Mary motherOf Bill and Mary motherOf John is possible. motherOf is > inverse functional; hasMother (its inverse) is functional. > > • “likes” - Symmetric >> > > Unfortunately, no. If it were, personal relationships would be a lot easier > than they are. Inverse would be "liked by" > > • “eats” - Functional >> > > ?? > > • “neighbour of” - Symmetric >> > > Yes. This is its own inverse. > Hoping not to be pedantic but im curious as to whether this is a valid case: I am neighbour of noisey teenagers does that imply (All?) Noisey teenagers are neighbours of me? > > Hope this helps. > > Pat Hayes > > > >> Can you help me get the inverse properties of each example? >> >> >> Thanks in adv. >> Darood >> -- >> View this message in context: >> http://old.nabble.com/Semantics-of-rdf%3AStatement-tp11705919p27020856.html >> Sent from the w3.org - semantic-web mailing list archive at Nabble.com. >> >> >> >> > ------------------------------------------------------------ > IHMC (850)434 8903 or (650)494 3973 > 40 South Alcaniz St. (850)202 4416 office > Pensacola (850)202 4440 fax > FL 32502 (850)291 0667 mobile > phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes > > > > > > >
Received on Tuesday, 5 January 2010 07:42:49 UTC