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AIED
2005
Springer
15 years 7 months ago
EarthTutor: A Multi-Layered Approach to ITS Authoring
This paper presents the EarthTutor authoring tool, a multi-layered system designed to remove the technical hurdles preventing teachers from having full control over the structure o...
Kristen Parton, Aaron Bell, Sowmya Ramachandran
CP
2005
Springer
15 years 7 months ago
Distributed Constraints for Large-Scale Scheduling Problems
Many problems of theoretical and practical interest can be formulated as Constraint Satisfaction Problems (CSPs). The general CSP is known to be NP-complete; however, distributed m...
Montserrat Abril, Miguel A. Salido, Federico Barbe...
122
Voted
CSCLP
2005
Springer
15 years 7 months ago
Complete Propagation Rules for Lexicographic Order Constraints over Arbitrary Domains
We give an efficiently executable specification of the global constraint of lexicographic order in the Constraint Handling Rules (CHR) language. In contrast to previous approaches...
Thom W. Frühwirth
136
Voted
ECWEB
2005
Springer
187views ECommerce» more  ECWEB 2005»
15 years 7 months ago
Improving Reuse of Web Service Compositions
We describe a methodology for assembling composite services based on three basic processes which are independent of the concrete implementation: Abstraction Process, Service Compos...
Carlos Granell, Michael Gould, Roy Grønmo, ...
ICALP
2005
Springer
15 years 7 months ago
How Well Can Primal-Dual and Local-Ratio Algorithms Perform?
We define an algorithmic paradigm, the stack model, that captures many primal-dual and local-ratio algorithms for approximating covering and packing problems. The stack model is ...
Allan Borodin, David Cashman, Avner Magen