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CISS
2010
IEEE
13 years 1 months ago
Turbo reconstruction of structured sparse signals
—This paper considers the reconstruction of structured-sparse signals from noisy linear observations. In particular, the support of the signal coefficients is parameterized by h...
Philip Schniter
UM
2005
Springer
14 years 3 months ago
Task-Oriented Web User Modeling for Recommendation
Abstract. We propose an approach for modeling the navigational behavior of Web users based on task-level patterns. The discovered “tasks” are characterized probabilistically as...
Xin Jin, Yanzan Zhou, Bamshad Mobasher
ICIAP
2003
ACM
14 years 3 months ago
Classification with reject option in text categorisation systems
The aim of this paper is to evaluate the potential usefulness of the reject option for text categorisation (TC) tasks. The reject option is a technique used in statistical pattern...
Giorgio Fumera, Ignazio Pillai, Fabio Roli
DEEC
2006
IEEE
14 years 1 months ago
A Bottom-Up Workflow Mining Approach for Workflow Applications Analysis
Abstract. Engineering workflow applications are becoming more and more complex, involving numerous interacting business objects within considerable processes. Analysing the interac...
Walid Gaaloul, Karim Baïna, Claude Godart
ECAI
2008
Springer
13 years 12 months ago
Learning Functional Object-Categories from a Relational Spatio-Temporal Representation
Abstract. We propose a framework that learns functional objectes from spatio-temporal data sets such as those abstracted from video. The data is represented as one activity graph t...
Muralikrishna Sridhar, Anthony G. Cohn, David C. H...