2853 search results - page 367 / 571 » On the Efficiency of Provenance Queries |
174
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DBPL
1999
Springer
15 years 11 months ago
1999
Springer
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and focus on the potential of programming languages for such databases to express queries...
150
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CIKM
2006
Springer
15 years 10 months ago
2006
Springer
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
190
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OPODIS
2007
15 years 8 months ago
2007
Peer to peer overlay networks have proven to be a good support for storing and retrieving data in a fully decentralized way. A sound approach is to structure them in such a way tha...
161
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PVLDB
2008
15 years 6 months ago
2008
Many stream-processing systems enforce an order on data streams during query evaluation to help unblock blocking operators and purge state from stateful operators. Such in-order p...
201
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TKDE
2010
15 years 5 months ago
2010
— The data management community has recently begun to consider declarative network routing and distributed acquisition: e.g., sensor networks that execute queries about contiguou...