Topic Detection and Tracking research was pursued under the DARPA Translingual Information Detection, Extraction, and Summarization (TIDES) program. Topic Detection and Tracking is an integral part of the DARPA Translingual Information Detection, Extraction, and Summarization (TIDES) program. The goal of the TIDES program is to enable English-speaking users to access, correlate, and interpret multilingual sources of real-time information and to share the essence of this information with collaborators.

As a TIDES evaluation community, TDT provides a forum to discuss applications and techniques for detecting and tracking events that occur in real-time and the infrastructure to support common evaluations of component technologies. The TIDES project currently has one other evaluation community, The Text REtrieval Conference (TREC), and planning has begun for three new evaluations in the areas of Text Summarization, Question Answering and Quick Machine Translation.

The NIST TDT project has ended and will not be restarted in the near future. The data remains available from the Linguistic Data Consortium and the evaluation resources on this site will remain available.

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