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DAGSTUHL
2007
15 years 3 months ago
Prioritized Conditional Imperatives: Problems and a New Proposal
Abstract. The sentences of deontic logic may be understood as describing what an agent ought to do when faced with a given set of norms. If these norms come into conflict, the bes...
Jörg Hansen
ANOR
2002
77views more  ANOR 2002»
15 years 2 months ago
Conditional Median: A Parametric Solution Concept for Location Problems
Classical approaches to location problems are based on the minimization of the average distance (the median concept) or the minimization of the maximum distance (the center concept...
Wlodzimierz Ogryczak, Mariusz Zawadzki
CPAIOR
2006
Springer
15 years 6 months ago
Conditional Lexicographic Orders in Constraint Satisfaction Problems
The lexicographically-ordered CSP ("lexicographic CSP" for short) combines a simple representation of preferences with the feasibility constraints of ordinary CSPs. Prefe...
Richard J. Wallace, Nic Wilson
AIPS
2011
14 years 6 months ago
Directed Search for Generalized Plans Using Classical Planners
We consider the problem of finding generalized plans for situations where the number of objects may be unknown and unbounded during planning. The input is a domain specification...
Siddharth Srivastava, Neil Immerman, Shlomo Zilber...
COCOA
2008
Springer
15 years 4 months ago
Polynomial Time Approximation Scheme for Connected Vertex Cover in Unit Disk Graph
Connected Vertex Cover Problem (CVC) is an NP-hard problem. The currently best known approximation algorithm for CVC has performance ration 2. This paper gives the first Polynomial...
Zhao Zhang, Xiaofeng Gao, Weili Wu