1160 search results - page 146 / 232 » Query Processing and Optimization for Pictorial Query Trees |
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
The basic relationships to be determined in XML query processing are ancestor-descendant (A-D), parent-child (P-C), sibling and ordering relationships. The containment labeling sc...
107
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WAIM
2004
Springer
15 years 3 months ago
2004
Springer
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
DEXAW
2006
IEEE
15 years 4 months ago
2006
IEEE
This paper investigates the architecture and design of agent-based sensor networks for petroleum offshore monitoring. A few challenges to monitor the reservoir, wellbore and wellh...
152
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
68
Voted
ADBIS
2003
Springer
15 years 3 months ago
2003
Springer
In this paper we present a new compression scheme for signature tree structures. Beyond the reduction of storage space, compression attains significant savings in terms of query pr...