9507 search results - page 1633 / 1902 » Time-based language models |
177
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ICIP
2005
IEEE
16 years 6 days ago
2005
IEEE
In this paper, we propose a novel technique for modelbased recognition of complex object motion trajectories using Hidden Markov Models (HMM). We build our models on Principal Com...
159
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SAC
2005
ACM
16 years 5 days ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
185
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SIGIR
2005
ACM
16 years 5 days ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
153
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SIGIR
2005
ACM
16 years 5 days ago
2005
ACM
Previous research into the efficiency of text retrieval systems has dealt primarily with methods that consider inverted lists in sequence; these methods are known as term-at-a-tim...
157
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SMA
2005
ACM
16 years 5 days ago
2005
ACM
Geometric constraint solving is a key issue in CAD/CAM. Since Owen’s seminal paper, solvers typically use graph based decomposition methods. However, these methods become diffi...