1300 search results - page 162 / 260 » XML Query Processing and Optimization |
VLDB
1998
ACM
15 years 6 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
104
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ECML
2005
Springer
15 years 7 months ago
2005
Springer
This paper examines the problem of finding an optimal policy for a Partially Observable Markov Decision Process (POMDP) when the model is not known or is only poorly specified. W...
FGCS
2000
15 years 1 months ago
2000
This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...
127
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CIKM
2006
Springer
15 years 5 months ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
WAIM
2004
Springer
15 years 7 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...