This publication contains the TREC ("Text REtreival Conference") Mandarin
Corpus used for the Chinese task in TRECs 5-6 and consist of approximately 170
megabytes of articles drawn from the People's Daily newspaper and the Xinhua
newswire formatted to include TREC document IDs. The text is Mandarin Chinese
and is encoded using the GB encoding scheme. The topics (questions) and
relevance judgments (right answers) are not included in this publication but
can be downloaded from the Data/Non-English section of the TREC web site.
The Mandarin Chinese text data is from the Xinhua News Agency and the
People's Daily News Service (both from mainland China). Click here to see
the appereance of a sample file from
and People's Daily.
This collection of text
was originally gathered by the Linguistic Data Consortium (LDC), and then
adapted by the National Institute of Standards and Technology (NIST) for use in
the TREC Mandarin evaluation program.