1791 search results - page 94 / 359 » Semantics and Complexity of SPARQL |
142
Voted
VLDB
1993
ACM
15 years 8 months ago
1993
ACM
The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
135
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ER
2006
Springer
15 years 8 months ago
2006
Springer
Abstract. The Semantic Web promises to provide timely, targeted access to user-specified information online. Though standardized services exist for performing this work, specifying...
140
Voted
BDA
2007
15 years 6 months ago
2007
We present Pattern-by-Example (PBE), a graphical language that allows users with little or no knowledge of pattern-matching and functional programming to define complex and optim...
133
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CORIA
2007
15 years 6 months ago
2007
ABSTRACT. In the framework of the LegDoc project at Xerox Research Centre Europe, we are developing components for the semantic annotation of semi-structured documents. While certa...
141
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AAAI
1990
15 years 5 months ago
1990
This paper studies sorted generalization-the generalization, with respect to an arbitrary taxonomic theory, of atomic formulas containing sorted variables. It develops an algorith...