686 search results - page 26 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
204
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TKDE
2010
15 years 26 days ago
2010
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
164
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JLP
2000
15 years 6 months ago
2000
Generating query-answering plans for data integration systems requires to translate a user query, formulated in terms of a mediated schema, to a query that uses relations that are...
284
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ICDT
2011
ACM
14 years 9 months ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
161
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ESA
2004
Springer
15 years 10 months ago
2004
Springer
The ability to represent and query continuously moving objects is important in many applications of spatio-temporal database systems. In this paper we develop data structures for ...
186
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...