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» A Meta-CSP Model for Optimal Planning
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SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
14 years 9 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman
VLDB
1995
ACM
96views Database» more  VLDB 1995»
14 years 19 days ago
The Fittest Survives: An Adaptive Approach to Query Optimization
Traditionally, optimizers are “programmed” to optimize queries following a set of buildin procedures. However, optimizers should be robust to its changing environment to gener...
Hongjun Lu, Kian-Lee Tan, Son Dao
BDA
2004
13 years 10 months ago
Tree Graph Views: On Efficient Evaluation of XQuery in an XML Mediator
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
Tuyet-Tram Dang-Ngoc, Georges Gardarin, Nicolas Tr...
ROBOCUP
2007
Springer
99views Robotics» more  ROBOCUP 2007»
14 years 3 months ago
Instance-Based Action Models for Fast Action Planning
Abstract. Two main challenges of robot action planning in real domains are uncertain action effects and dynamic environments. In this paper, an instance-based action model is lear...
Mazda Ahmadi, Peter Stone
IS4TH
2003
Springer
14 years 2 months ago
Modelling of Facial Soft Tissue Growth for Maxillofacial Surgery Planning Environments
When maxillofacial surgery is proposed as a treatment for a patient, the type of osteotomy and its influence on the facial contour is of major interest. To design the optimal surg...
Patrick Vandewalle, Filip Schutyser, Johan Van Cle...