Mark D. Smucker1, Charles L. A. Clarke2, Gordon V. Cormack2, and Olga Vechtomova1

19th Text REtrieval Conference

图书情报档案学

1Department of Management Sciences ; University of Waterloo

PID  :  127900

学科分类：社会科学、人文和艺术（综合）

来源: CEUR

【 摘 要 】

This year the University of Waterloo (UW) partici pated in the TREC Legal Interactive track and used the same process as last year except that this year we used three dierent human operators as opposed to only one as UW did last year. We participated in three topics: 301, 302, and 303. Relative to other participants, we performed well on one of the three topics. For two of the topics, low recall signicantly hurt our F1 scores. Overall, we believe a contribut ing factor in our lower performance this year was with our interaction with the topic authorities, which re sulted in our failing to understand the wide range of