497 search results - page 35 / 100 » Study on Feature Selection Algorithm in Topic Tracking |
ECIR
2010
Springer
15 years 15 days ago
2010
Springer
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...
KDD
2009
ACM
15 years 11 months ago
2009
ACM
Tracking new topics, ideas, and "memes" across the Web has been an issue of considerable interest. Recent work has developed methods for tracking topic shifts over long ...
ACCV
2006
Springer
15 years 5 months ago
2006
Springer
Abstract. We present a lip contour tracking algorithm using attractorguided particle filtering. Usually it is difficult to robustly track the lip contour because the lip contour i...
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APGV
2008
ACM
15 years 1 months ago
2008
ACM
Prediction of gaze behavior in gaming environments can be a tremendously useful asset to game designers, enabling them to improve gameplay, selectively increase visual fidelity, a...
IPM
2006
14 years 11 months ago
2006
A methodology for automatically identifying and clustering semantic features or topics in a heterogeneous text collection is presented. Textual data is encoded using a low rank no...