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CP
2009
Springer
14 years 10 months ago
Weakly Monotonic Propagators
Abstract. Today's models for propagation-based constraint solvers require propagators as implementations of constraints to be at least contracting and monotonic. These models ...
Christian Schulte, Guido Tack
CP
2009
Springer
14 years 4 months ago
Closing the Open Shop: Contradicting Conventional Wisdom
This paper describes a new approach for solving disjunctive temporal problems such as the open shop and job shop scheduling domains. Much previous research in systematic search app...
Diarmuid Grimes, Emmanuel Hebrard, Arnaud Malapert
WINE
2009
Springer
194views Economy» more  WINE 2009»
14 years 4 months ago
Mechanism Design for Complexity-Constrained Bidders
A well-known result due to Vickery gives a mechanism for selling a number of goods to interested buyers in a way that achieves the maximum social welfare. In practice, a problem wi...
Ravi Kumar, Mohammad Mahdian, Amin Sayedi
SIGIR
2009
ACM
14 years 4 months ago
Estimating query performance using class predictions
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity ...
Kevyn Collins-Thompson, Paul N. Bennett
DEXAW
2008
IEEE
140views Database» more  DEXAW 2008»
14 years 4 months ago
Enhanced Query Expansion in English-Arabic CLIR
Arabic is a language with a particularly large vocabulary  rich   in   words   with   synonymous   shades   of   meaning.  Modern   Standard   Arabic,   which ...
Abdelghani Bellaachia, Ghita Amor-Tijani