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» On performance of topical opinion retrieval
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MM
2005
ACM
140views Multimedia» more  MM 2005»
14 years 1 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...
SIGIR
2010
ACM
13 years 7 months ago
Hashtag retrieval in a microblogging environment
Microblog services let users broadcast brief textual messages to people who "follow" their activity. Often these posts contain terms called hashtags, markers of a post&#...
Miles Efron
CLEF
2006
Springer
13 years 11 months ago
A Penalisation-Based Ranking Approach for the Mixed Monolingual Task of WebCLEF 2006
This paper presents an approach of a cross-lingual information retrieval which uses a ranking method based on a penalisation version of the Jaccard formula. The obtained results a...
David Pinto, Paolo Rosso, Ernesto Jiménez
ICML
2006
IEEE
14 years 8 months ago
The rate adapting poisson model for information retrieval and object recognition
Probabilistic modelling of text data in the bagof-words representation has been dominated by directed graphical models such as pLSI, LDA, NMF, and discrete PCA. Recently, state of...
Peter V. Gehler, Alex Holub, Max Welling
SAC
2006
ACM
14 years 1 months ago
An evaluation system for news video streams and blogs
When we want information on current events, we often view news programs on TV or news streams on Web sites. A news video stream consists of several scenes, and viewers often gain ...
Daisuke Kitayama, Kazutoshi Sumiya