1529 search results - page 168 / 306 » Querying for meta knowledge |
160
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
205
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HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...
172
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
200
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PODS
1995
ACM
15 years 10 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
172
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USENIX
2007
15 years 8 months ago
2007
Monitoring and mining real-time network data streams is crucial for managing and operating data networks. The information that network operators desire to extract from the network...