Egidio L. Terra Papers on DiSC'04 Passage retrieval vs document retrieval for factoid question answering Publications Note: Links lead to the DBLP on the Web. Egidio L. Terra Egidio L. Terra, Charles L. A. Clarke : Frequency Estimates for Statistical Word Similarity Measures. HLT-NAACL 2003 Charles L. A. Clarke , Egidio L. Terra: Passage retrieval vs. document retrieval for factoid question answering. SIGIR 2003 : 427-428 Charles L. A. Clarke , Gordon V. Cormack , M. Laszlo , Thomas R. Lynam , Egidio L. Terra: The impact of corpus size on question answering performance. SIGIR 2002 : 369-370 1 [ 1 ] [ 2 ] [ 3 ] 2 [ 1 ] 3 [ 1 ] 4 [ 1 ] ©2004 Association for Computing Machinery