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SIGMOD
2005
ACM
136views Database» more  SIGMOD 2005»
16 years 9 days ago
Optimizing recursive queries in SQL
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
Carlos Ordonez
GECCO
2005
Springer
141views Optimization» more  GECCO 2005»
16 years 8 days ago
Evolving cooperative strategies for UAV teams
We present a Genetic Programming approach to evolve cooperative controllers for teams of UAVs. Our focus is a collaborative search mission in an uncertain and/or hostile environme...
Marc D. Richards, L. Darrell Whitley, J. Ross Beve...
GD
2004
Springer
16 years 4 days ago
Visualisation of Large and Complex Networks Using PolyPlane
This paper discusses a new method for visualisation of large and complex networks in three dimensions. In particular, we focus on visualising the core tree structure of the large a...
Seok-Hee Hong, Tom Murtagh
DOCENG
2003
ACM
16 years 9 hour ago
Extending xQuery with transformation operators
In this paper, we propose to extend XQuery - the XML query language - with a set of transformation operators which will produce a copy of an XML tree in which some subtrees will b...
Emmanuel Bruno, Jacques Le Maitre, Elisabeth Muris...
IBPRIA
2003
Springer
15 years 12 months ago
Smoothing Techniques for Tree-k-Grammar-Based Natural Language Modeling
Abstract. In a previous work, a new probabilistic context-free grammar (PCFG) model for natural language parsing derived from a tree bank corpus has been introduced. The model esti...
Jose L. Verdú-Mas, Jorge Calera-Rubio, Rafa...