1824 search results - page 196 / 365 » Estimating query performance using class predictions |
139
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DILS
2004
Springer
15 years 8 months ago
2004
Springer
An abundance of biological data sources contain data on classes of scientific entities, such as genes and sequences. Logical relationships between scientific objects are implemen...
119
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DEXA
2004
Springer
15 years 8 months ago
2004
Springer
Much work has been done on characterizing the workload of a database system. Previous studies focused on providing different types of statistical summaries, and modeling the run-ti...
135
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
227
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...
106
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SIGIR
2002
ACM
15 years 3 months ago
2002
ACM
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...