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ICML
2007
IEEE
14 years 8 months ago
Spectral feature selection for supervised and unsupervised learning
Feature selection aims to reduce dimensionality for building comprehensible learning models with good generalization performance. Feature selection algorithms are largely studied ...
Zheng Zhao, Huan Liu
WWW
2009
ACM
14 years 8 months ago
Unsupervised query categorization using automatically-built concept graphs
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...
Eustache Diemert, Gilles Vandelle
WWW
2007
ACM
14 years 8 months ago
Ontology Maturing: a Collaborative Web 2.0 Approach to Ontology Engineering
Most of the current methodologies for building ontologies rely on specialized knowledge engineers. This is in contrast to real-world settings, where the need for maintenance of do...
Simone Braun, Andreas Schmidt, Andreas Walter, G&a...
WWW
2005
ACM
14 years 8 months ago
XQuery containment in presence of variable binding dependencies
Semantic caching is an important technology for improving the response time of future user queries specified over remote servers. This paper deals with the fundamental query conta...
Li Chen, Elke A. Rundensteiner
PERCOM
2007
ACM
14 years 7 months ago
SOS: Secure Overlay Sensornets
Overlay Networks (ONs) are logical networks built on top of a physical network with the aim of moving part of the routing complexity to the application layer. At the same time, sen...
Leonardo B. Oliveira, Antonio Alfredo Ferreira Lou...