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CCIA
2005
Springer
16 years 23 days ago
Using symbolic descriptions to explain similarity on CBR
The explanation of the results is a key point of automatic problem solvers. CBR systems solve a new problem by assessing its similarity with already solved cases and they commonly ...
Eva Armengol, Enric Plaza
SIGECOM
2003
ACM
143views ECommerce» more  SIGECOM 2003»
16 years 14 days ago
Pricing WiFi at Starbucks: issues in online mechanism design
We consider the problem of designing mechanisms for online problems in which agents arrive over time and the mechanism is unaware of the agent until the agent announces her arriva...
Eric J. Friedman, David C. Parkes
CIAC
2010
Springer
282views Algorithms» more  CIAC 2010»
15 years 10 months ago
Improved Approximations for TSP with Simple Precedence Constraints
In this paper, we consider variants of the traveling salesman problem with precedence constraints. We characterize hard input instances for Christofides' algorithm and Hoogeve...
Hans-Joachim Boeckenhauer, Ralf Klasing, Tobias Mo...
CIAC
2010
Springer
232views Algorithms» more  CIAC 2010»
15 years 10 months ago
Multicut Algorithms via Tree Decompositions
Various forms of multicut problems are of great importance in the area of network design. In general, these problems are intractable. However, several parameters have been identifi...
Reinhard Pichler, Stefan Rümmele, Stefan Woltran
CCCG
2007
15 years 8 months ago
Terminal Steiner Tree with Bounded Edge Length
In this paper, we study a Steiner tree related problem called “Terminal Steiner Tree with Bounded Edge Length”: given a set of terminal points P in a plane, one is asked to ...
Zhiyong Lin