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ICASSP
2009
IEEE
15 years 9 months ago
A tempering approach for Itakura-Saito non-negative matrix factorization. With application to music transcription
In this paper we are interested in non-negative matrix factorization (NMF) with the Itakura-Saito (IS) divergence. Previous work has demonstrated the relevance of this cost functi...
Nancy Bertin, Cédric Févotte, Roland...
127
Voted
SIGIR
2010
ACM
15 years 8 months ago
Query recovery of short user queries: on query expansion with stopwords
User queries to search engines are observed to predominantly contain inflected content words but lack stopwords and capitalization. Thus, they often resemble natural language que...
Johannes Leveling, Gareth J. F. Jones
124
Voted
CCGRID
2006
IEEE
15 years 8 months ago
Mirroring Resources or Mapping Requests: Implementing WS-RF for Grid Workflows
The Web Services Resource Framework (WS-RF) and the Web Services Notification (WS-N) specifications are a crucial component of Grid infrastructures. They provide a standardized int...
Thomas Heinis, Cesare Pautasso, Gustavo Alonso
DAGM
2006
Springer
15 years 8 months ago
Robust MEG Source Localization of Event Related Potentials: Identifying Relevant Sources by Non-Gaussianity
Independent Component Analysis (ICA) is a frequently used preprocessing step in source localization of MEG and EEG data. By decomposing the measured data into maximally independent...
Peter Breun, Moritz Grosse-Wentrup, Wolfgang Utsch...
DAGM
2006
Springer
15 years 8 months ago
Diffusion-Like Reconstruction Schemes from Linear Data Models
In this paper we extend anisotropic diffusion with a diffusion tensor to be applicable to data that is well modeled by linear models. We focus on its variational theory, and invest...
Hanno Scharr