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- W2186320763 abstract "Different software systems for automatic question answering have been developed in recent years. Some systems perform well on specific domains, but may not be appropriate for other domains. As the complexity and scaling of such information systems become ever greater, it is much more challenging to effectively and efficiently determine which toolkits, algorithms, knowledge bases or other resources should be integrated into a system so that one can achieve a desired or optimal level of performance on a given task. In this working notepaper, we present a generic framework that can be used for any machinereading task and automatically find the best configuration of algorithmic components as well as values of their corresponding parameters. Although we have designed the framework for all QA4MRE-2013 tasks (i.e. Main task, Biomedical about Alzheimer’s and Entrance Exam), our analysis will mostly focus on Biomedical about Alzheimer’s task. We introduce the Configuration Space Exploration (CSE) framework, an extension to the Unstructured Information Management Architecture (UIMA) which provides a general distributed solution for building and exploring possible configurations for any intelligent information system. For the Biomedial about Alzheimer’s task, CSE was used to generate more than 1000 different configurations from existing components; we selected the 3 best runs for submission. We achieved an average c@1 of 0.27; our highest score was 0.60 for reading-test-1, and our lowest was 0.0 for reading-test3. We further enhanced the system by introducing point-wise mutual information (PMI) scoring for answer ranking, which produced an average c@1 of 0.4025, with a highest score of 0.77 for reading test-1 and a lowest score of 0.2 for reading test-2." @default.
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- W2186320763 date "2013-01-01" @default.
- W2186320763 modified "2023-09-23" @default.
- W2186320763 title "Building Optimal Question Answering System Automatically using Configuration Space Exploration (CSE) for QA4MRE 2013 Tasks." @default.
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