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Abstract: The goal of TDT Topic Detection and Tracking is to develop automatic methods of identifying topically related stories within a stream of news media. We describe approaches for both detection and tracking based on the well-known idf-weighted cosine coefficient similarity metric. The surprising outcome of this research is that we achieved very competitive results for tracking using a very simple method of feature selection, without word stemming and without a score normalization scheme. The... (Update)
Context of citations to this paper: More
...Here a small number of on topic training stories were used to identify stories of the same topic from a stream of news media. In [1] we showed that a simple method of feature selection together with the wellknown idf weighted cosine coefficient performed as well or better...
.... and development test portion of the TDT2 corpus to determine a threshold for English and one for Mandarin using the method described in [8] this time optimizing only the topic weighted cost. 2.8 Word Segmentation in Mandarin Another aspect of the translingual task, this...
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BibTeX entry: (Update)
J.M. Schultz and M. Liberman, "Topic Detection and Tracking using idfWeighted Cosine Coefficient," Proceedings of the DARPA Broadcast News Workshop, 189-192, 1999. http://citeseer.ist.psu.edu/schultz99topic.html More
@misc{ schultz99topic,
author = "J. Schultz and M. Liberman",
title = "Topic Detection and Tracking using idfWeighted Cosine Coefficient",
text = "J.M. Schultz and M. Liberman, Topic Detection and Tracking using idfWeighted
Cosine Coefficient, Proceedings of the DARPA Broadcast News Workshop, 189-192,
1999.",
year = "1999",
url = "citeseer.ist.psu.edu/schultz99topic.html" }
Citations (may not include all citations):1256 Introduction to Modern Information Retrieval (context) - Salton, McGill - 1983
201 Cluster Analysis (context) - Everitt - 1993
90 The DET Curve in Assessment of Detection Task Performance - Martin, Doddington et al. - 1997
3 The TDT Pilot Study Corpus Documentation (context) - Doddington - 1997
2 The Topic Detection and Tracking Phase 2 (TDT2) Evaluation P.. (context) - Doddington - 1998
The graph only includes citing articles where the year of publication is known.
Documents on the same site (http://www.ldc.upenn.edu/jms/):
Cross-Lingual Topic Tracking using idf-Weighted Cosine.. - Michael Schultz Mark (Correct)
Towards a "Universal Dictionary" for Multi-Language.. - Schultz, Liberman (2000) (Correct)
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