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WSC
1998
15 years 5 months ago
Using ACCESSIBILITY to Assess the Performance of Generalized Hill Climbing Algorithms
The search problem, ACCESSIBILITY, asks whether a finite sequence of events can be found such that, starting with a specific initial event, a particular state can be reached. This...
Sheldon H. Jacobson, Enver Yücesan
EDBT
2012
ACM
247views Database» more  EDBT 2012»
13 years 6 months ago
Heuristics-based query optimisation for SPARQL
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
Petros Tsialiamanis, Lefteris Sidirourgos, Irini F...
WIDM
2006
ACM
15 years 10 months ago
Identifying redundant search engines in a very large scale metasearch engine context
For a given set of search engines, a search engine is redundant if its searchable contents can be found from other search engines in this set. In this paper, we propose a method t...
Ronak Desai, Qi Yang, Zonghuan Wu, Weiyi Meng, Cle...
ATAL
2008
Springer
15 years 6 months ago
Cooperative search for optimizing pipeline operations
We present an application of a multi-agent cooperative search approach to the problem of optimizing gas pipeline operations, i.e. finding control parameters for a gas transmission...
T. Mora, Abu B. Sesay, Jörg Denzinger, Hossei...
EVOW
2008
Springer
15 years 5 months ago
Reactive Stochastic Local Search Algorithms for the Genomic Median Problem
Abstract. The genomic median problem is an optimization problem inspired by a biological issue: it aims at finding the chromosome organization of the common ancestor to multiple li...
Renaud Lenne, Christine Solnon, Thomas Stützl...