686 search results - page 30 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
263
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
210
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EDBT
2011
ACM
14 years 9 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
189
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
247
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ICDE
2002
IEEE
16 years 7 months ago
2002
IEEE
The goal of a data integration system is to provide a uniform interface to a multitude of data sources. Given a user query formulated in this interface, the system translates it i...
227
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ISEMANTICS
2010
15 years 4 months ago
2010
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...