ICT ’ s Approaches to HTD and Tracking at TDT 2004

  title={ICT ’ s Approaches to HTD and Tracking at TDT 2004},
  author={M. T. Yu and Wei-hua Luo and Z. Zhou and Shuo Bai},
This is ICT’s first year of participation in the TDT evaluation. We participate in two tasks: Hierarchical Topic Detection (HTD) and Tracking. The two systems are both based on vector-space model. We use the method of multi-layered clustering to produce directed acyclic graph (DAG) of topics and improve the performance using the technology of traditional detection task. We only implement a baseline system for the tracking task. Our preprocessor of text help reduce the tracking cost. 


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