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CORR
2010
Springer
118views Education» more  CORR 2010»
15 years 3 months ago
Estimating Probabilities in Recommendation Systems
Modeling ranked data is an essential component in a number of important applications including recommendation systems and websearch. In many cases, judges omit preference among un...
Mingxuan Sun, Guy Lebanon, Paul Kidwell
COMBINATORICS
1999
76views more  COMBINATORICS 1999»
15 years 6 months ago
Rhombus Tilings of a Hexagon with Two Triangles Missing on the Symmetry Axis
We compute the number of rhombus tilings of a hexagon with sides n, n, N, n, n, N, where two triangles on the symmetry axis touching in one vertex are removed. The case of the comm...
Theresia Eisenkölbl
SAC
2002
ACM
15 years 6 months ago
Limits in modelling evolving computer-based systems
This paper explores the limitations of one technique for modelling computer-based systems with evolving requirements. A case study is introduced which highlights the importance of...
Massimo Felici, Juliana Küster Filipe
ORL
2007
54views more  ORL 2007»
15 years 6 months ago
A new lower bound for the non-oriented two-dimensional bin-packing problem
We propose a new scheme for computing lower bounds for the non-oriented bin-packing problem when the bin is a square. It leads to bounds that theoretically dominate previous resul...
François Clautiaux, Antoine Jouglet, Joseph...
CORR
2010
Springer
96views Education» more  CORR 2010»
15 years 5 months ago
Parameterized Complexity Results in Symmetry Breaking
Abstract. Symmetry is a common feature of many combinatorial problems. Unfortunately eliminating all symmetry from a problem is often computationally intractable. This paper argues...
Toby Walsh