The TREC 2007 question answering (QA) track contained two tasks: the main task consisting of series of factoid, list, and “Other” questions organized around a set of targets, ...
This paper describes a new version of the DIOGENE Question Answering (QA) system developed at ITC-Irst. The recent updates here presented are targeted to the participation to TREC...
Abstract. In this paper, we present a method for the automatic acquisition of semantic-based reformulations from natural language questions. Our goal is to find useful and generic ...
We describe initial experiments in combining the output of question answering systems using data from the 2002 TREC Question Answering task. We explore several distance-based comb...
We compared two different interfaces to the InQuery IR system with respect to their support for the TREC-9 Interactive Track Question-Answering task. One interface presented searc...
Nicholas J. Belkin, Amymarie Keller, Diane Kelly, ...