1933 search results - page 98 / 387 » Query Containment Using Views |
94
Voted
SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
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...
115
Voted
AIRS
2006
Springer
15 years 6 months ago
2006
Springer
We report on a study that was undertaken to better identify users' goals behind web search queries by using click through data. Based on user logs which contain over 80 millio...
106
Voted
BTW
2007
Springer
15 years 8 months ago
2007
Springer
Abstract: XML documents are widely used as a generic container for textual contents. As they are increasingly growing in size, XML databases have come up to efficiently store and q...
103
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EUROPAR
2000
Springer
15 years 6 months ago
2000
Springer
Tertiary storage systems are used when secondary storage can not satisfy the data storage requirements and/or it is a more cost effective option. The new application domains requir...