243 search results - page 5 / 49 » Learning Abstraction Hierarchies for Problem Solving |
DEXAW
2007
IEEE
13 years 11 months ago
2007
IEEE
We built a system for the automatic creation of a textbased topic hierarchy, meant to be used in a geographically defined community. This poses two main problems. First, the appea...
ECAI
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Learning in the context of constraint solving is a technique by which previously unknown constraints are uncovered during search and used to speed up subsequent search. R...
CP
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. We present a cooperation technique using an accurate management of nogoods to solve a hard real-time problem which consists in assigning periodic tasks to processors in t...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
This paper presents a novel prototype hierarchy based clustering (PHC) framework for the organization of web collections. It solves simultaneously the problem of categorizing web ...
MCS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We propose AdaBoost.BHC, a novel multi-class boosting algorithm. AdaBoost.BHC solves a C class problem by using C − 1 binary classifiers defined by a hierarchy that i...