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TDT2000 Tracking Evaluation Results Jonathan Fiscus and George Doddington

TDT2000 Tracking Evaluation Results Jonathan Fiscus and George Doddington. training data. on-topic unknown unknown. test data. TDT Topic Tracking Task. 7 Participants: Dragon, IBM, Texas A&M Univ., TNO, Univ. of Iowa, Univ. of Massachusetts, Univ. of Maryland System Goal:

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TDT2000 Tracking Evaluation Results Jonathan Fiscus and George Doddington

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  1. TDT2000 Tracking Evaluation Results Jonathan Fiscus and George Doddington

  2. training data on-topic unknown unknown test data TDT Topic Tracking Task 7 Participants: • Dragon, IBM, Texas A&M Univ., TNO, Univ. of Iowa, Univ. of Massachusetts, Univ. of Maryland System Goal: • To detect stories that discuss the target topic,in multiple source streams. • Supervised Training • Given Nt sample stories that discuss a given target topic • Testing • Find all subsequent stories that discuss the target topic

  3. Topic Tracking Results Basic Condition: Newswire + BNews, reference story boundaries, English training: 1 On-topic Challenge Condition: Newswire + BNews ASR, automatic story boundaries, English training: 4 On-topic, 2 Negative training Without Negative With Negative

  4. Effect of Automatic Story Boundaries • Evaluation conditioned jointly by source and Language • Newswire, Broadcast News, English and Mandarin IBM1 UMass1 Degradation due to story boundaries source for ASR Test Condition: NWT+Bnasr, 4 English Training Stories, Reference Boundaries

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