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PERVASIVE
2006
Springer
13 years 10 months ago
Building Reliable Activity Models Using Hierarchical Shrinkage and Mined Ontology
Abstract. Activity inference based on object use has received considerable recent attention. Such inference requires statistical models that map activities to the objects used in p...
Emmanuel Munguia Tapia, Tanzeem Choudhury, Matthai...
PAKDD
2009
ACM
171views Data Mining» more  PAKDD 2009»
14 years 3 months ago
Detecting Abnormal Events via Hierarchical Dirichlet Processes
Abstract. Detecting abnormal event from video sequences is an important problem in computer vision and pattern recognition and a large number of algorithms have been devised to tac...
Xian-Xing Zhang, Hua Liu, Yang Gao, Derek Hao Hu
WWW
2006
ACM
14 years 11 months ago
Large-scale text categorization by batch mode active learning
Large-scale text categorization is an important research topic for Web data mining. One of the challenges in large-scale text categorization is how to reduce the amount of human e...
Steven C. H. Hoi, Rong Jin, Michael R. Lyu
GEOINFORMATICA
2007
148views more  GEOINFORMATICA 2007»
13 years 10 months ago
Assessing the Certainty of Locations Produced by an Address Geocoding System
Addresses are the most common georeferencing resource people use to communicate to others a location within a city. Urban GIS applications that receive data directly fromcitizens,...
Clodoveu A. Davis, Frederico T. Fonseca