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AAAI
2000
14 years 11 months ago
Dynamic Representations and Escaping Local Optima: Improving Genetic Algorithms and Local Search
Local search algorithms often get trapped in local optima. Algorithms such as tabu search and simulated annealing 'escape' local optima by accepting nonimproving moves. ...
Laura Barbulescu, Jean-Paul Watson, L. Darrell Whi...
IR
2008
14 years 10 months ago
Output-sensitive autocompletion search
We consider the following autocompletion search scenario: imagine a user of a search engine typing a query; then with every keystroke display those completions of the last query wo...
Holger Bast, Christian Worm Mortensen, Ingmar Webe...
TRANSCI
2008
108views more  TRANSCI 2008»
14 years 10 months ago
Per-Seat, On-Demand Air Transportation Part II: Parallel Local Search
The availability of relatively cheap small jet aircrafts suggests a new air transportation business: dial-a-flight, an on-demand service in which travelers call a few days in adva...
Daniel G. Espinoza, R. Garcia, Marcos Goycoolea, G...
SIAMJO
2002
117views more  SIAMJO 2002»
14 years 9 months ago
Analysis of Generalized Pattern Searches
This paper contains a new convergence analysis for the Lewis and Torczon generalized pattern search (GPS) class of methods for unconstrained and linearly constrained optimization. ...
Charles Audet, J. E. Dennis Jr.
TKDE
2010
185views more  TKDE 2010»
14 years 8 months ago
Superseding Nearest Neighbor Search on Uncertain Spatial Databases
This paper proposes a new problem, called superseding nearest neighbor search, on uncertain spatial databases, where each object is described by a multidimensional probability den...
Sze Man Yuen, Yufei Tao, Xiaokui Xiao, Jian Pei, D...