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» Combining Multiple Models for Speech Information Retrieval
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SAC
2009
ACM
15 years 6 months ago
Diverse peer selection in collaborative web search
Effective peer selection for intelligent query routing is a challenge in collaborative peer-based Web search systems, especially unstructured networks that do not have any central...
Le-Shin Wu, Filippo Menczer
MM
2005
ACM
140views Multimedia» more  MM 2005»
15 years 5 months ago
Topic transition detection using hierarchical hidden Markov and semi-Markov models
In this paper we introduce a probabilistic framework to exploit hierarchy, structure sharing and duration information for topic transition detection in videos. Our probabilistic d...
Dinh Q. Phung, Thi V. Duong, Svetha Venkatesh, Hun...
KDD
2006
ACM
115views Data Mining» more  KDD 2006»
16 years 7 days ago
Supervised probabilistic principal component analysis
Principal component analysis (PCA) has been extensively applied in data mining, pattern recognition and information retrieval for unsupervised dimensionality reduction. When label...
Shipeng Yu, Kai Yu, Volker Tresp, Hans-Peter Krieg...
SIGIR
2009
ACM
15 years 6 months ago
An aspectual interface for supporting complex search tasks
With the increasing importance of search systems on the web, there is a continuing push to design interfaces which are a better match with the kinds of real-world tasks in which u...
Robert Villa, Iván Cantador, Hideo Joho, Jo...
MMM
2005
Springer
167views Multimedia» more  MMM 2005»
15 years 5 months ago
A Framework for Sub-Window Shot Detection
Browsing a digital video library can be very tedious especially with an ever expanding collection of multimedia material. We present a novel framework for extracting sub-window sh...
Chuohao Yeo, Yongwei Zhu, Qibin Sun, Shih-Fu Chang