1018 search results - page 65 / 204 » On the minimization of XPath queries |
196
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
129
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EDBT
2004
ACM
16 years 1 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
152
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PVLDB
2008
15 years 1 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
118
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JCSS
2007
15 years 1 months ago
2007
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...
100
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EDBT
2008
ACM
16 years 1 months ago
2008
ACM
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...