The current search API for TREC 2013:
- 243,271,538 tweets
- 133,288,373 unique terms
- 127,427,322 terms that appear in fewer than 10 tweets, accounting for 194,668,855 term occurrences
- All terms that occur in ten or more tweets are found in
tweets2013-terms-min10.txt.bz2
. File contains tab-separated entries: term, document frequency (df), collection frequency (cf).