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ICASSP
2011
IEEE
13 years 1 months ago
Sparse non-negative decomposition of speech power spectra for formant tracking
Many works on speech processing have dealt with auto-regressive (AR) models for spectral envelope and formant frequency estimation, mostly focusing on the estimation of the AR par...
Jean-Louis Durrieu, Jean-Philippe Thiran
PERCOM
2011
ACM
13 years 1 months ago
Is ontology-based activity recognition really effective?
—While most activity recognition systems rely on data-driven approaches, the use of knowledge-driven techniques is gaining increasing interest. Research in this field has mainly...
Daniele Riboni, Linda Pareschi, Laura Radaelli, Cl...
ATAL
2011
Springer
12 years 10 months ago
Specifying and applying commitment-based business patterns
Recent work in communications and business modeling emphasizes a commitment-based view of interaction. By abstracting away from implementation-level details, commitments can poten...
Amit K. Chopra, Munindar P. Singh
EPEW
2009
Springer
14 years 4 months ago
Performance of Auctions and Sealed Bids
We develop models of automated E-commerce techniques, which predict the economic outcomes of these decision mechanisms, including the price attained by a good and the resulting inc...
Erol Gelenbe, László Györfi
ICDT
2007
ACM
107views Database» more  ICDT 2007»
14 years 4 months ago
Privacy in GLAV Information Integration
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
Alan Nash, Alin Deutsch