Question Answering with QED and Wee at TREC2004

[摘要] This report describes the experiments of the University of Edinburgh and the University of Sydney at the TREC2004 question answering evaluation exercise. Our system combines two approaches: one with deep linguistic analysis using IR on the AQUAINT corpus applied to answer extraction from text passages, and one with a shallow linguistic analysis and shallow inference applied to a large set of snippets re trieved from the web. The results of our exper iments support the following claims: (1) Web based IR is a good alternative to “traditional” IR; and (2) deep linguistic analysis improves

[学科分类] 社会科学、人文和艺术（综合）