686 search results - page 79 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
166
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DEXAW
2007
IEEE
16 years 20 days ago
2007
IEEE
This paper presents an information retrieval methodology which uses Formal Concept Analysis in conjunction with semantics to provide contextual answers to users’ queries. User f...
151
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AAAI
2010
15 years 7 months ago
2010
We describe a generic framework for representing and reasoning with annotated Semantic Web data, formalise the annotated language, the corresponding deductive system, and address ...
373
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
172
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PVLDB
2008
15 years 5 months ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
276
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...