- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Mon, 10 Aug 2009 17:29:25 -0400
- To: Kavitha Srinivas <ksrinivs@gmail.com>
- CC: Tim Finin <finin@cs.umbc.edu>, Anja Jentzsch <anja@anjeve.de>, "public-lod@w3.org" <public-lod@w3.org>, "dbpedia-discussion@lists.sourceforge.net" <dbpedia-discussion@lists.sourceforge.net>, Chris Bizer <chris@bizer.de>
Kavitha Srinivas wrote: > I will fix the URIs.. I believe the equivalenceClass assertions were > added in by someone at OpenLink (I just sent the raw file with the > conditional probabilities for each pair of types that were above the > .80 threshold). So can whoever uploaded the file fix the property to > what Tim suggested? Hmm, I didn't touch the file, neither did anyone else at OpenLink. I just downloaded what was uploaded at: http://wiki.dbpedia.org/Downloads33, any based on my own personal best practices, put the data in a separate Named Graph :-) Chris/Anja: I believe this data set was touched on your end, right? Please make the fixes in line with the findings from the conversation on this thread. Once corrected, I or someone else will reload. Kingsley > Thanks! > Kavitha > On Aug 10, 2009, at 5:03 PM, Kingsley Idehen wrote: > >> Kavitha Srinivas wrote: >>> Agree completely -- which is why I sent a base file which had the >>> conditional probabilities, the mapping, and the values to be able to >>> compute marginals. >>> About the URIs, I should have added in my email that because >>> freebase types are not URIs, and have types such as /people/person, >>> we added a base URI: http://freebase.com to the types. Sorry I >>> missed mentioning that... >>> Kavitha >> Kavitha, >> >> If you apply the proper URIs, and then apply fixes to the mappings >> (from prior suggestions) we are set. You can send me another dump >> and I will go one step further and put some sample SPARQL queries >> together which demonstrate how we can have many world views on the >> Web of Linked Data without anyone getting hurt in the process :-) >> >> Kingsley >>> >>> On Aug 10, 2009, at 4:42 PM, Tim Finin wrote: >>> >>>> Kavitha Srinivas wrote: >>>>> I understand what you are saying -- but some of this reflects the >>>>> way types are associated with freebase instances. The types are >>>>> more like 'tags' in the sense that there is no hierarchy, but each >>>>> instance is annotated with multiple types. So an artist would in >>>>> fact be annotated with person reliably (and probably less >>>>> consistently with /music/artist). Similar issues with Uyhurs, >>>>> murdered children etc. The issue is differences in modeling >>>>> granularity as well. Perhaps a better thing to look at are types >>>>> where the YAGO types map to Wordnet (this is usually at a coarser >>>>> level of granularity). >>>> >>>> One way to approach this problem is to use a framework to mix logical >>>> constraints with probabilistic ones. My colleague Yun Peng has been >>>> exploring integrating data backed by OWL ontologies with Bayesian >>>> information, >>>> with applications for ontology mapping. See [1] for recent papers >>>> on this >>>> as well as a recent PhD thesis [2] that I think also may be relevant. >>>> >>>> [1] >>>> http://ebiquity.umbc.edu/papers/select/search/html/613a353a7b693a303b643a37383b693a313b643a303b693a323b733a303a22223b693a333b733a303a22223b693a343b643a303b7d/ >>>> >>>> [2] >>>> http://ebiquity.umbc.edu/paper/html/id/427/Constraint-Generation-and-Reasoning-in-OWL >>>> >>> >>> >>> >> >> >> -- >> >> >> Regards, >> >> Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen >> President & CEO OpenLink Software Web: http://www.openlinksw.com >> >> >> >> > > -- Regards, Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen President & CEO OpenLink Software Web: http://www.openlinksw.com
Received on Monday, 10 August 2009 21:30:03 UTC