Eric Prud'hommeaux (W3C) gave a series of 3 x 1/2 hour talks about Semantic Web in the Science Park in Amsterdam last year. The last two of these were captured on ISLA-TV[1]. Federated Queries over Web-sized Data Sources * query mapping to relational algebra: o SPASQL - RDF query over relational data o federation enhancements o performance characteristics http://zookma.science.uva.nl/islatv/play.php?file=20080617_other_eric_2 ---------------------------------------------------------------------------------- Semantic Web Services Automagic choreography and invocation of web services based on the semantics of their input and output messages. o SPDL - terse syntax for message-based data mapping o constructing rules from maps o rule-derived service choreography o integration with other inference systems http://zookma.science.uva.nl/islatv/play.php?file=20080617_other_eric_3 -Scott [1] http://zookma.science.uva.nl/islatv/Received on Saturday, 2 May 2009 05:08:52 GMT
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