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SIGMOD
2005
ACM
91views Database» more  SIGMOD 2005»
16 years 6 months ago
Towards a Robust Query Optimizer: A Principled and Practical Approach
Research on query optimization has focused almost exclusively on reducing query execution time, while important qualities such as consistency and predictability have largely been ...
Brian Babcock, Surajit Chaudhuri
ICPADS
2008
IEEE
16 years 25 days ago
Query Management in a Sensor Environment
Traditional sensor network deployments consisted of fixed infrastructures and were relatively small in size. More and more, we see the deployment of ad-hoc sensor networks with h...
Martin F. O'Connor, Vincent Andrieu, Mark Roantree
SSD
2001
Springer
94views Database» more  SSD 2001»
15 years 10 months ago
Selectivity Estimation of Complex Spatial Queries
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
Nikos Mamoulis, Dimitris Papadias
TOOLS
1999
IEEE
15 years 10 months ago
Optimizing Object-Oriented Collection Join Queries through Path Traversals
Path traversals have been recognized as one of the strengths of object-oriented query processing as object retrieval can be carried out through pointer navigation. Apart from path...
David Taniar
ECIR
2009
Springer
15 years 4 months ago
Refining Keyword Queries for XML Retrieval by Combining Content and Structure
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
Desislava Petkova, W. Bruce Croft, Yanlei Diao