SDR 2000 - Changes from 1999
evaluated on whole shows including non-news segments
50 ad-hoc topics in two forms: short description and keyword
1 baseline recognizer transcript sets (NIST/BBN B2 from 1999)
story boundaries unknown (SU) condition is required
recognition and use of non-lexical information
evaluated on hand-segmented news excerpts only
49 ad-hoc-style topics/metrics
2 baseline recognizer transcript sets (NIST/BBN)
story boundaries known (SK) focus and exploratory unknown (SU) conditions