IRC log of dig on 2010-01-11
Timestamps are in UTC.
- 00:22:50 [oshani]
- lkagal_, your code in ttl in slide 13 has some mistakes
- 00:22:57 [oshani]
- you'd forgotten the ":"
- 00:24:42 [oshani]
- (too bad I cannot edit the slides)
- 00:56:53 [lkagal_]
- oshani, do you mean 13 of session 3 ? I've used @keywords so I don't need the ":"
- 00:57:28 [oshani]
- oh, well, Jena did not seem to be too happy with @keywords
- 00:57:35 [oshani]
- so, I removed it
- 00:57:58 [oshani]
- I got a basic subclass thing to work -- but it seems too trivial
- 00:58:28 [oshani]
- print out all the subClassesOf :Male
- 00:58:40 [oshani]
- is that good enough?
- 00:59:40 [oshani]
- Jena gives the same class as the sub class. Is that right?
- 00:59:51 [oshani]
- For e.g.
- 00:59:52 [oshani]
- - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal rdfs:subClassOf rdfs:Resource)
- 00:59:52 [oshani]
- - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal">http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal rdfs:subClassOf http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal)
- 02:33:00 [lkagal_]
- oshani, I thought the answer to subclass of Mammal would be Person, Male and Female.
- 02:34:18 [lkagal_]
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- 02:34:19 [oshani]
- it's subClassOf
- 02:39:20 [lkagal]
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- 02:45:34 [lkagal]
- oshani, how about if you changed printStatements(inf, mammal, RDFS.subClassOf, null );
- 02:46:01 [lkagal]
- to printStatements(inf, null, RDFS.subClassOf, mammal ); would that produce the right results ?
- 02:47:39 [oshani]
- lkagal, yes it does
- 02:47:58 [oshani]
- gives: - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal">http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal rdfs:subClassOf http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal)
- 02:47:58 [oshani]
- - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Person rdfs:subClassOf http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal)
- 02:47:59 [oshani]
- - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Male rdfs:subClassOf http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal)
- 02:47:59 [oshani]
- - (http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Female rdfs:subClassOf http://dig.csail.mit.edu/2010/LinkedData/testdata/family#Mammal)
- 02:49:37 [oshani]
- although, not sure why the Mammal is also given as a subClass
- 03:04:58 [lkagal]
- oshani, not sure why mammal is subclassof mammal. Its something weird that the jena reasoner is doing.
- 03:05:11 [oshani]
- maybe
- 03:06:48 [wcattey]
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- 03:07:02 [lkagal]
- oshani, thanks for developing this example. It helps connect the two sessions - libraries & ontology dev.
- 03:07:15 [oshani]
- np
- 03:08:00 [wcattey]
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- topic is: Decentralized Information Group @ MIT http://dig.csail.mit.edu/
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- Users on #dig: DIGlogger RalphS drrho wcattey danbri timbl sandro fsfsysbot presbrey ericP
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- 14:27:21 [jambo]
- lkagal, do you have the set of questions for today?
- 14:28:34 [lkagal]
- jambo, Hi. We decided not to demo different libraries. We're only going to show Jena. But the session is going to be about SW concepts so it would be great if you could hang around and be a coach.
- 14:29:38 [sandro]
- is there any read/write space for the class? twitter, irc, wiki, ...?
- 14:30:17 [jambo]
- lkagal, okay !
- 14:32:23 [lkagal]
- I don't think so, sandro.
- 14:48:09 [sandro]
- a few people tweeting using #LinkedData #MIT
- 14:55:28 [sandro]
- How do MIT students talk on line these days? Back when I was a student, it was zephyr.....
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- 20:23:33 [sandro]
- Can we somehow get http://esw.w3.org/topic/SemanticWebTools to the class?
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