20833 search results - page 81 / 4167 » Hidden process models |
200
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
112
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ICPR
2006
IEEE
16 years 4 months ago
2006
IEEE
This paper presents an event detector for emergencies in crowds. Assuming a single camera and a dense crowd we rely on optical flow instead of tracking statistics as a feature to ...
133
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CDC
2008
IEEE
15 years 3 months ago
2008
IEEE
We describe a hidden Markov modeling approach to multiple change-points that has attractive computational and statistical properties. This approach yields explicit recursive filter...
132
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BMCBI
2006
2006
A jumping profile Hidden Markov Model and applications to recombination sites in HIV and HCV genomes
15 years 3 months ago
Background: Jumping alignments have recently been proposed as a strategy to search a given multiple sequence alignment A against a database. Instead of comparing a database sequen...
107
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ICC
2009
IEEE
15 years 9 months ago
2009
IEEE
—In host-based intrusion detection systems (HIDS), anomaly detection involves monitoring for significant deviations from normal system behavior. Hidden Markov Models (HMMs) have...