TY  - JOUR
AU  - Voorhees, Ellen
C2  - Information Processing and Management
DA  - 2000-01-01
LA  - en
M1  - 36 No. 5
PB  - Information Processing and Management
PY  - 2000
TI  - Variations in Relevance Judgments and the Measurement of Retrieval Effectiveness
ER  -