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187
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
179
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffici...
157
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
Publish/subscribe systems have demonstrated the ability to scale to large numbers of users and high data rates when providing content-based data dissemination services on the Inte...
115
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SIGMOD
1990
ACM
15 years 10 months ago
1990
ACM
The role of database knowledge 1susually limited to the evaluation of data queries In this paper we argue that when this knowledge 1sof substantial volume and complexity, there 1s...
147
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ADBIS
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...