Topic styles in IR and TDT: effect on system behavior

Abstract

The TREC Spoken Document Retrieval Track (SDR) and the Topic Detection and Tracking (TDT) project have annotated the same corpus with difference styles of relevance judgements, using differenct notions of topic. We compare the behavior of a topic tracking system using relevance judgements from TDT with that of the same system using relevance from the SDR in order to investigate the influence of differences document relevance judgements on the behavior of the tracking system.

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