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» Towards Automatic Detection and Tracking of Topic Change
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CICLING
2010
Springer
14 years 2 months ago
Towards Automatic Detection and Tracking of Topic Change
We present an approach for automatic detection of topic change. Our approach is based on the analysis of statistical features of topics in time-sliced corpora and their dynamics ov...
Florian Holz, Sven Teresniak
NLUCS
2008
13 years 8 months ago
Intended Boundaries detection in Topic Change Tracking for Text Segmentation
This paper propose a topical text segmentation method based on intended boundaries detection and compare it to a well known default boundaries detection method, c99. We ran the two...
Alexandre Labadié, Violaine Prince
MM
2004
ACM
137views Multimedia» more  MM 2004»
14 years 25 days ago
Towards auto-documentary: tracking the evolution of news stories
News videos constitute an important source of information for tracking and documenting important events. In these videos, news stories are often accompanied by short video shots t...
Pinar Duygulu, Jia-Yu Pan, David A. Forsyth
ICIP
2006
IEEE
14 years 9 months ago
Topic Tracking Across Broadcast News Videos with Visual Duplicates and Semantic Concepts
Videos from distributed sources (e.g., broadcasts, podcasts, blogs, etc.) have grown exponentially. Topic threading is very useful for organizing such large-volume information sou...
Winston H. Hsu, Shih-Fu Chang
IJCAI
2007
13 years 8 months ago
Detect and Track Latent Factors with Online Nonnegative Matrix Factorization
Detecting and tracking latent factors from temporal data is an important task. Most existing algorithms for latent topic detection such as Nonnegative Matrix Factorization (NMF) h...
Bin Cao, Dou Shen, Jian-Tao Sun, Xuanhui Wang, Qia...