1482 search results - page 147 / 297 » An Algebra for XML Query |
132
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PVLDB
2010
15 years 2 months ago
2010
Independence analysis is the problem of determining whether an update affects the result of a query, e.g. a constraint or materialized view. We develop a new, modular framework fo...
148
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ECIR
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Retrieving semistructured (XML) data typically requires either a structured query such as XPath, or a keyword query that does not take structure into account. In this pap...
105
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CIDR
2007
15 years 5 months ago
2007
We describe the design and implementation of the Cornell Cayuga System for scalable event processing. We present a query language based on Cayuga Algebra for naturally expressing ...
130
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DMSN
2005
ACM
15 years 6 months ago
2005
ACM
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
129
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SIGMOD
1996
ACM
15 years 8 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...