Sciweavers

1047 search results - page 20 / 210
» Searching Without a Heuristic: Efficient Use of Abstraction
Sort
View
IWMMDBMS
1996
64views more  IWMMDBMS 1996»
13 years 9 months ago
Spatial Indexing into Compressed Raster Images: How to Answer Range Queries Without Decompression
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
Renato Pajarola, Peter Widmayer
RECOMB
1998
Springer
13 years 12 months ago
Alignments without low-scoring regions
Given a strong match between regions of two sequences, how far can the match be meaningfully extended if gaps are allowed in the resulting alignment? The aim is to avoid searching...
Zheng Zhang 0004, Piotr Berman, Webb Miller
EPS
1998
Springer
13 years 12 months ago
Evolving Heuristics for Planning
Abstract. In this paper we describe EvoCK, a new approach to the application of genetic programming (GP) to planning. This approach starts with a traditional AI planner (PRODIGY)an...
Ricardo Aler, Daniel Borrajo, Pedro Isasi
GCC
2004
Springer
14 years 1 months ago
Efficient Search Using Adaptive Metadata Spreading in Peer-to-Peer Networks
Abstract. Search is until now a difficult problem in peer-to-peer (P2P) filesharing systems. In this paper, we propose to use adaptive metadata spreading to make search in P2P netw...
Xuezheng Liu, Guangwen Yang, Ming Chen, Yongwei Wu
IWANN
2001
Springer
14 years 4 days ago
A Comparison of Several Evolutionary Heuristics for the Frequency Assignment Problem
Abstract. The Frequency Assignment Problem (FAP) is a very important problem of practical interest. This work compares several evolutionary approaches to this problem, based both i...
Carlos Cotta, José M. Troya