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2003 New Event Detection Timeline.Today is 13 May 2008 .

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TDT group meetings are Mondays from 10-11 or from 10:30-11:30. If there is a talk scheduled at 11am, the meetings will start at 10.

2003 Summer Meetings: TDT group meetings are Mondays from 2-3. Room CS303.

-- JamesAllan - 20 Mar 2003

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TDT Corpus

• TDT-1 Corpus
  • used for 1997 pilot-study
  • 2 sources from Reuters and CNN
  • About 16,000 news
  • Covers July 1, 1994 to June 30, 1995
  • 25 topics annotated by researchers
• TDT-2 Corpus
  • used for 1998 test
  • 6 English sources: New York Times, Associated Press Worldstream, CNN, ABC, PRI and VOA
  • Covers from January 4 to June 30, 1998
  • About 6,000 news
  • 100 topics annotated by researchers
• TDT-3 Corpus
  • used for 1999, 2000 and 2001 tests
  • 8 English sources(New York Times, Associated Press Worldstream, CNN, ABC, PRI, VOA English, NBC and MSNBC) and 3 Mandarin sources (Xinhua News, Zaobao and VOA Mandarin)
  • Covers from October 1998 to December 1998
  • about 9130 news
  • 60 topics annotated by researchers
• TDT-4 Corpus
  • used for 2002 test
  • 8 English sources, 7 Mandarin sources and 5 Arabic sources
  • Covers from October 1 2001 to January 31 December 2002
  • 90375 news
  • 60 topics annotated by researchers

Annotation Guides: Includes rules of interpretation.

• TDT3
• TDT4

When looking for rules of interpretation, take a look at the mapping between the old rules and the new rules.

Links to topic descriptions:

• TDT4 2002 Topics.
• TDT4 2003 Topics.
• TDT3 Topics.
• TDT3 2000 Topics.

-- BinLiu - 25 Mar 2003

-- AlvaroBolivar - 30 Jun 2003

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TASKS

• New Event Detection
• Clustering

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• Annotator_GUI.java: Latest version of the NED annotator tool
• Crosslingual Link Detection

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