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Improving meeting summarization by focusing on user needs: a task-oriented evaluation
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Improving meeting summarization by focusing on user needs: a task-oriented evaluation   (Citations: 2)
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Advances in multimedia technologies have enabled the cre- ation of huge archives of audio-video recordings of meet- ings, and there is burgeoning interest in developing meeting browsers to help users better leverage these archives. A re- cent study has shown that extractive summaries provide a more efficient way of navigating meeting content than sim- ply reading through the transcript and using the audio-video record, or navigating via keyword search (15). The extrac- tive summary technique identifies informative dialogue acts to generate general purpose summaries. These summaries can still be lengthy. Recently, we have developed a decision- focused summarization system that presents only 1-2% of the recordings related to decision making. In this paper, we describe a task-based evaluation in which we compare the decision-focused summaries to the general purpose sum- maries. Our results indicate that the more focused sum- maries help users perform the decision debriefing task more effectively and improve perceived efficiency. In addition, this study also investigates the effect of automatic summaries and transcription on task effectiveness, report quality, and users' perceptions of task success. Author Keywords Meeting browser, automatic summarization, multimedia in- formation retrieval, task-oriented evaluation, user study.
Conference: Intelligent User Interfaces - IUI , pp. 17-26, 2009
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