TREC-4: Track Framework (cont.)
Measures: precision & recall
Groups:
- Claritech, Lexis-Nexis, Georgia Tech., U.S. Dept. of Defense, Cornell, Rutgers, City, Toronto, Xerox, ETH-Zürich
Additional data collected (by some sites):
- Quantitative event data
- Searcher characteristics
- Video of searcher
- Audio of thinking aloud