620 search results - page 110 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
182
Voted
SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
176
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
143
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ESA
2010
Springer
15 years 25 days ago
2010
Springer
We study the problem of estimating the average of a Lipschitz continuous function f defined over a metric space, by querying f at only a single point. More specifically, we explore...
WWW
2001
ACM
16 years 12 days ago
2001
ACM
We describe a new paradigm for performing search in context. In the IntelliZap system we developed, search is initiated from a text query marked by the user in a document she view...
ITNG
2006
IEEE
15 years 5 months ago
2006
IEEE
Purpose – This paper reports the findings of a major study examining the overlap among results retrieved by three major web search engines. The goal of the research was to: mea...