6974 search results - page 1053 / 1395 » Querying Semi-Structured Data |
179
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CEC
2011
IEEE
14 years 4 months ago
2011
IEEE
—In many systems providing storage and retrieval operations on data, indices are used to make these operations more efficient. Distributed storage systems provide means to distr...
140
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FOCS
2008
IEEE
15 years 11 months ago
2008
IEEE
This work investigates a geometric approach to proving cell probe lower bounds for data structure problems. We consider the approximate nearest neighbor search problem on the Bool...
206
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Data sources for data integration often come with spurious schema definitions such as undefined foreign key constraints. Such metadata are important for querying the database and ...
223
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
We propose a scalable distributed data structure (SDDS) called SD-Rtree. We intend our structure for point and window queries over possibly large spatial datasets distributed on c...
122
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STOC
2003
ACM
16 years 5 months ago
2003
ACM
We study novel combinatorial properties of graphs that allow us to devise a completely new approach to dynamic all pairs shortest paths problems. Our approach yields a fully dynam...