686 search results - page 17 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
196
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PVLDB
2008
15 years 4 months ago
2008
Data exchange is the process of converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange systems have l...
179
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SIGMOD
2011
ACM
14 years 8 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
177
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ASP
2003
Springer
15 years 11 months ago
2003
Springer
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
202
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
204
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TAL
2010
Springer
15 years 3 months ago
2010
Springer
Abstract. The question answering systems are considered the next generation of search engines. This paper focuses on the first step of this process, which is to search for relevant...