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168
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WDAG
2005
Springer
15 years 12 months ago
2005
Springer
Atomic Broadcast, used for example in state machine replication, requires three communication steps. Optimistic Atomic Broadcast requires only two steps if all processes receive m...
179
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FINTAL
2006
15 years 10 months ago
2006
Question Answering (QA) aims at providing users with short text units that answer specific, well-formed natural language questions. A two stage architecture is widely adopted for t...
135
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ICA
2010
Springer
15 years 6 months ago
2010
Springer
We propose a framework for blind multiple filter estimation from convolutive mixtures, exploiting the time-domain sparsity of the mixing filters and the disjointness of the sources...
133
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We propose an approach for the estimation of sparse filters from a convolutive mixture of sources, exploiting the time-domain sparsity of the mixing filters and the sparsity of ...
157
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
This paper is to investigate the group behavior patterns of search activities based on Web search history data, i.e., clickthrough data, to boost search performance. We propose a ...