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GECCO
2011
Springer
374views Optimization» more  GECCO 2011»
12 years 11 months ago
A hybrid heuristic approach for solving the generalized traveling salesman problem
The generalized traveling salesman problem (GTSP) is an NPhard problem that extends the classical traveling salesman problem by partitioning the nodes into clusters and looking fo...
Petrica C. Pop, Serban Iordache
CAV
2007
Springer
145views Hardware» more  CAV 2007»
13 years 11 months ago
Hybrid Systems: From Verification to Falsification
We propose HyDICE, Hybrid DIscrete Continuous Exploration, a multi-layered approach for hybrid-system testing that integrates continuous sampling-based robot motion planning with d...
Erion Plaku, Lydia E. Kavraki, Moshe Y. Vardi
SSDBM
2002
IEEE
128views Database» more  SSDBM 2002»
14 years 17 days ago
Compressing Bitmap Indexes for Faster Search Operations
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
HM
2010
Springer
133views Optimization» more  HM 2010»
13 years 8 months ago
A Hybrid LS-CP Solver for the Shifts and Breaks Design Problem
The problem of designing workforce shifts and break patterns is a relevant employee scheduling problem that arises in many contexts, especially in service industries. The issue is ...
Luca Di Gaspero, Johannes Gärtner, Nysret Mus...
SIAMCOMP
2002
142views more  SIAMCOMP 2002»
13 years 7 months ago
On Binary Searching with Nonuniform Costs
Let us consider an ordered vector A[1 : n]. If the cost of testing each position is similar, then the standard binary search is the best strategy to search the vector. This is true...
Eduardo Sany Laber, Ruy Luiz Milidiú, Artur...