9683 search results - page 1673 / 1937 » Query performance prediction |
KDD
2004
ACM
16 years 4 months ago
2004
ACM
Automatically segmenting unstructured text strings into structured records is necessary for importing the information contained in legacy sources and text collections into a data ...
145
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CHI
2008
ACM
16 years 4 months ago
2008
ACM
We study the development of common ground in an emergency management planning task. Twelve three-person multi-role teams performed the task with a paper prototype in a controlled ...
137
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STOC
2001
ACM
16 years 4 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
159
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STOC
2001
ACM
16 years 4 months ago
2001
ACM
We study two fundamental static data structure problems, membership and perfect hashing, in Yao's cell probe model. The first space and bit probe optimal worst case upper bou...
227
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VLDB
2001
ACM
16 years 4 months ago
2001
ACM
Schema matching is a basic problem in many database application domains, such as data integration, Ebusiness, data warehousing, and semantic query processing. In current implementa...