243 search results - page 19 / 49 » Selectivity Estimation for Boolean Queries |
166
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Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
93
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KDD
2009
ACM
15 years 10 months ago
2009
ACM
Many scalable data mining tasks rely on active learning to provide the most useful accurately labeled instances. However, what if there are multiple labeling sources (`oracles...
122
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EDBT
1994
ACM
15 years 1 months ago
1994
ACM
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
105
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CIKM
2003
Springer
15 years 2 months ago
2003
Springer
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...