620 search results - page 55 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
133
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SIGIR
2010
ACM
15 years 7 months ago
2010
ACM
Defining a measure of similarity between queries is an interesting and difficult problem. A reliable query-similarity measure can be used in a variety of applications such as que...
143
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SIGMOD
1997
ACM
15 years 8 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
138
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
226
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
177
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CIKM
2011
Springer
14 years 3 months ago
2011
Springer
Aggregated search is the task of integrating results from potentially multiple specialized search services, or verticals, into the Web search results. The task requires predicting...