1791 search results - page 189 / 359 » Semantics and Complexity of SPARQL |
184
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ASWC
2009
Springer
15 years 9 months ago
2009
Springer
Many tasks within semantic web service discovery can be formalized as reasoning problems related to the partial ordering of subactivity occurrences in a complex activity. We show h...
155
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AAAI
2007
15 years 8 months ago
2007
The purpose of this paper is to extend the notions of prime implicates and prime implicants to the basic modal logic K. We consider a number of different potential definitions of...
152
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ACL
2008
15 years 7 months ago
2008
Natural Language Processing (NLP) for Information Retrieval has always been an interesting and challenging research area. Despite the high expectations, most of the results indica...
167
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AMW
2010
15 years 7 months ago
2010
Abstract. Consistent query answering (CQA) is about formally characterizing and computing semantically correct answers to queries posed to a database that may fail to satisfy certa...
172
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DATESO
2004
15 years 7 months ago
2004
Discovering the complex relationships between entities is one way of benefitting from the Semantic Web. This paper discusses new approaches to implementing -operators into RDF quer...