On-Line New Event Detection and Tracking

  title={On-Line New Event Detection and Tracking},
  author={James Allan and Ron Papka and Victor Lavrenko},
We define and describe the related problems of new event detection and event tracking within a stream of broadcast news stories. We focus on a strict on-line setting-i.e., the system must make decisions about one story before looking at any subsequent stories. Our approach to detection uses a single pass clustering algorithm and a novel thresholding model that incorporates the properties of events as a major component. Our approach to tracking is similar to typical information filtering methods… CONTINUE READING
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