measure(ment),16-4-H05-1117,bq | <term> rankings </term> produced by our <term> | metric | </term> correlate highly with <term> official | #7611 Experiments with the TREC 2003 and TREC 2004 QA tracks indicate that rankings produced by our metric correlate highly with official rankings, and that POURPRE outperforms direct application of existing metrics. |