The TREC 2004 Question Answering track contained a single task in which question series were used to define a set of targets. Each series contained factoid and list questions and ...
Although answering list questions is not a new research area, answering them automatically still remains a challenge. The median F-score of systems that participated in TREC 2007 ...
In this paper, we describe the system we used for the trec-2007 Question Answering Track. For factoid questions our redundancy-based approach using a modified version of aranea w...
The TREC 2003 question answering track contained two tasks, the passages task and the main task. In the passages task, systems returned a single text snippet in response to factoi...
: We describe our participation in the TREC 2003 Question Answering track. We explain the ideas underlying our approaches to the task, report on our results, provide an error analy...