9683 search results - page 1217 / 1937 » Predicting query performance |
221
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CIKM
2010
Springer
15 years 6 months ago
2010
Springer
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
209
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MIDDLEWARE
2010
Springer
15 years 5 months ago
2010
Springer
Distributed hash tables (DHTs) have been adopted as a building block for large-scale distributed systems. The upshot of this success is that their robust operation is even more imp...
202
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PVLDB
2010
15 years 5 months ago
2010
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
187
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RAID
2010
Springer
15 years 5 months ago
2010
Springer
The insider threat against database management systems is a dangerous security problem. Authorized users may abuse legitimate privileges to masquerade as other users or to maliciou...
212
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TC
2010
15 years 5 months ago
2010
—Previous multikeyword search in DHT-based P2P systems often relies on multiple single keyword search operations, suffering from unacceptable traffic cost and poor accuracy. Prec...