2724 search results - page 364 / 545 » Optimizing Queries on Files |
130
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ICDE
2008
IEEE
15 years 10 months ago
2008
IEEE
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...
132
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
119
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Appropriately selected materialized views (also called indexed views) can speed up query execution by orders of magnitude. Most database systems limit support for materialized vie...
122
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DEXA
2004
Springer
15 years 9 months ago
2004
Springer
Much work has been done on characterizing the workload of a database system. Previous studies focused on providing different types of statistical summaries, and modeling the run-ti...
144
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WWW
2003
ACM
15 years 9 months ago
2003
ACM
Support for temporal text-containment queries (query for all versions of documents that contained one or more particular words at a particular time t) is of interest in a number of...