2018 search results - page 187 / 404 » Magnitude-preserving ranking algorithms |
162
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ICA
2004
Springer
15 years 11 months ago
2004
Springer
We consider the Blind Source Separation problem of linear mixtures with singular matrices and show that it can be solved if the sources are sufficiently sparse. More generally, we ...
144
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SIGIR
2003
ACM
15 years 11 months ago
2003
ACM
Syntactic information potentially plays a much more important role in question answering than it does in information retrieval. Although many people have used syntactic evidence i...
168
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CP
2001
Springer
15 years 11 months ago
2001
Springer
The Constraint Problems usually addressed fall into one of two models: the Constraint Satisfaction Problem (CSP) and the Constraint Optimization Problem (COP). However, in many rea...
169
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SIGIR
1999
ACM
15 years 10 months ago
1999
ACM
We present a new method for information retrievalusing hidden Markov models (HMMs). We develop a general framework for incorporating multiple word generation mechanisms within the...
199
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MM
1997
ACM
15 years 10 months ago
1997
ACM
To address the emerging needs of applications that require access to and retrieval of multimediaobjects, we are developing the Multimedia Analysis and Retrieval System (MARS) in o...