14248 search results - page 170 / 2850 » Queries |
95
Voted
PODS
2003
ACM
16 years 2 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
117
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EDBT
2002
ACM
16 years 2 months ago
2002
ACM
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
139
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EDBT
2006
ACM
16 years 2 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
100
Voted
EDBT
2008
ACM
16 years 2 months ago
2008
ACM
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
114
Voted
EDBT
2008
ACM
16 years 2 months ago
2008
ACM
A form-based query interface is usually the preferred means to provide an unsophisticated user access to a database. Not only is such an interface easy to use, requiring no techni...