2696 search results - page 353 / 540 » Semantic Abstraction and Anaphora |
194
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ICDT
2007
ACM
16 years 18 days ago
2007
ACM
Abstract. We study containment of conjunctive queries that are evaluated over databases that may contain tuples with null values. We assume the semantics of SQL for single block qu...
174
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ICDT
2007
ACM
16 years 18 days ago
2007
ACM
Abstract. Schema mappings play a central role in both data integration and data exchange, and are understood as high-level specifications describing the relationships between data...
162
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ICICS
2007
Springer
16 years 18 days ago
2007
Springer
Abstract. To be accepted, a cryptographic scheme must come with a proof that it satisfies some standard security properties. However, because cryptographic schemes are based on no...
160
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ICLP
2007
Springer
16 years 18 days ago
2007
Springer
Abstract. This paper proposes a diagnosis algorithm for locating a certain kind of errors in logic programs: variable binding errors that result act symptoms during compile-time ch...
156
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ISOLA
2007
Springer
16 years 18 days ago
2007
Springer
Abstract. This paper argues in favor of a database conceptual schema and Semantic Web ontology design discipline that explores analogy mappings to reuse the structure and integrity...