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SIGIR
2002
ACM
11 years 5 months ago
A critical examination of TDT's cost function
Topic Detection and Tracking (TDT) tasks are evaluated using a cost function. The standard TDT cost function assumes a constant probability of relevance P(rel) across all topics. ...
R. Manmatha, Ao Feng, James Allan
IPM
2007
115views more  IPM 2007»
11 years 5 months ago
Use of place information for improved event tracking
The main purpose of topic detection and tracking (TDT) is to detect, group, and organize newspaper articles reporting on the same event. Since an event is a reported occurrence at...
Yun Jin, Sung-Hyon Myaeng, Yuchul Jung
OIR
2006
129views more  OIR 2006»
11 years 5 months ago
Structural analysis of chat messages for topic detection
Purpose - This paper studies the characteristics of chat messages from analyzing a collection of 33,121 sample messages gathered from 1700 sessions of conversations of 72 pairs of...
Haichao Dong, Siu Cheung Hui, Yulan He
BMCBI
2006
127views more  BMCBI 2006»
11 years 5 months ago
Exploring supervised and unsupervised methods to detect topics in biomedical text
Background: Topic detection is a task that automatically identifies topics (e.g., "biochemistry" and "protein structure") in scientific articles based on infor...
Minsuk Lee, Weiqing Wang, Hong Yu
NAACL
2003
11 years 6 months ago
Story Link Detection and New Event Detection are Asymmetric
Story link detection has been regarded as a core technology for other Topic Detection and Tracking tasks such as new event detection. In this paper we analyze story link detection...
Francine Chen, Ayman Farahat, Thorsten Brants
ECIR
2003
Springer
11 years 6 months ago
Topic Detection and Tracking with Spatio-Temporal Evidence
Topic Detection and Tracking is an event-based information organization task where online news streams are monitored in order to spot new unreported events and link documents with ...
Juha Makkonen, Helena Ahonen-Myka, Marko Salmenkiv...
ACL
2003
11 years 7 months ago
Optimizing Story Link Detection is not Equivalent to Optimizing New Event Detection
Link detection has been regarded as a core technology for the Topic Detection and Tracking tasks of new event detection. In this paper we formulate story link detection and new ev...
Ayman Farahat, Francine Chen, Thorsten Brants
ECIR
2006
Springer
11 years 7 months ago
Clustering-Based Searching and Navigation in an Online News Source
The growing amount of online news posted on the WWW demands new algorithms that support topic detection, search, and navigation of news documents. This work presents an algorithm f...
Simón C. Smith, M. Andrea Rodríguez
AIRS
2005
Springer
11 years 7 months ago
Effective Use of Place Information for Event Tracking
The main purpose of topic detection and tracking (TDT) is to detect, group, and organize newspaper articles reporting on the same event. Since an event is a reported occurrence at ...
Yun Jin, Sung-Hyon Myaeng, Mann-Ho Lee, Hyo-Jung O...
CIKM
2006
Springer
11 years 9 months ago
Representing documents with named entities for story link detection (SLD)
Several information organization, access, and filtering systems can benefit from different kind of document representations than those used in traditional Information Retrieval (I...
Chirag Shah, W. Bruce Croft, David Jensen
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