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CIKM
2010
Springer
13 years 6 months ago
Rank learning for factoid question answering with linguistic and semantic constraints
This work presents a general rank-learning framework for passage ranking within Question Answering (QA) systems using linguistic and semantic features. The framework enables query...
Matthew W. Bilotti, Jonathan L. Elsas, Jaime G. Ca...
CP
1998
Springer
14 years 6 days ago
Using Constraint Programming and Local Search Methods to Solve Vehicle Routing Problems
We use a local search method we term Large Neighbourhood Search (LNS) for solving vehicle routing problems. LNS meshes well with constraint programming technology and is analogous...
Paul Shaw
ICRA
2003
IEEE
101views Robotics» more  ICRA 2003»
14 years 1 months ago
A Branch-and-Prune Algorithm for Solving Systems of Distance Constraints
— Given a set of affine varieties in ℜ3, i.e. planes, lines, and points, the problem tackled in this paper is that of finding all possible configurations for these varieties...
Josep M. Porta, Federico Thomas, Lluís Ros,...
CP
2005
Springer
14 years 1 months ago
Using Constraint Programming for Solving Distance CSP with Uncertainty
Many problems in chemistry, robotics or molecular biology can be expressed as a Distance CSP4 . In this paper, we propose a specific methodology for tackling uncertainties in this...
Carlos Grandón, Bertrand Neveu
DLOG
2008
13 years 10 months ago
Taming the Infinite Chase: Query Answering under Expressive Relational Constraints
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
Andrea Calì, Georg Gottlob, Michael Kifer