Overview of the TREC 2004 Question Answering Track

[摘要] 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 related to a single target. The final question in the series was an “Other” question that asked for additional information about the target that was not covered by previous questions in the series. Each question type was evaluated separately with the final score a weighted average of the different component scores. Applying the combined measure on a perseries basis produces a QA task evaluation that

[学科分类] 社会科学、人文和艺术（综合）