2724 search results - page 345 / 545 » Optimizing Queries on Files |
152
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SODA
2010
ACM
15 years 2 months ago
2010
ACM
The partial sums problem in succinct data structures asks to preprocess an array A[1 . . n] of bits into a data structure using as close to n bits as possible, and answer queries ...
127
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IRFC
2010
Springer
15 years 1 months ago
2010
Springer
Abstract. Information Retrieval (IR) systems combine a variety of techniques stemming from logical, vector-space and probabilistic models. This variety of combinations has produced...
228
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SEDE
2010
15 years 1 months ago
2010
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...
140
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JCP
2007
15 years 3 months ago
2007
Abstract— Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the...
183
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MDM
2010
Springer
15 years 2 months ago
2010
Springer
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...