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MP
2006
116views more  MP 2006»
13 years 7 months ago
Formulations and Valid Inequalities for the Heterogeneous Vehicle Routing Problem
We consider the vehicle routing problem where one can choose among vehicles with different costs and capacities to serve the trips. We develop six different formulations: the first...
Hande Yaman
ICLP
2009
Springer
14 years 8 months ago
Using Histograms to Better Answer Queries to Probabilistic Logic Programs
Probabilistic logic programs (PLPs) define a set of probability distribution functions (PDFs) over the set of all Herbrand interpretations of the underlying logical language. When...
Matthias Broecheler, Gerardo I. Simari, V. S. Subr...
STOC
1999
ACM
101views Algorithms» more  STOC 1999»
13 years 11 months ago
Short Proofs are Narrow - Resolution Made Simple
The width of a Resolution proof is defined to be the maximal number of literals in any clause of the proof. In this paper, we relate proof width to proof length (ϭsize), in both g...
Eli Ben-Sasson, Avi Wigderson
SCN
2004
Springer
102views Communications» more  SCN 2004»
14 years 25 days ago
On the Size of Monotone Span Programs
Abstract. Span programs provide a linear algebraic model of computation. Monotone span programs (MSP) correspond to linear secret sharing schemes. This paper studies the properties...
Ventzislav Nikov, Svetla Nikova, Bart Preneel
ESOP
2009
Springer
14 years 2 months ago
Amortised Memory Analysis Using the Depth of Data Structures
Hofmann and Jost have presented a heap space analysis [1] that finds linear space bounds for many functional programs. It uses an amortised analysis: assigning hypothetical amount...
Brian Campbell