on-line question answering system 网上答疑系统 knowledge-based question answering system 基于知识的问答系统 restricted-domain question answering system 受限领域问答系统 ..
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该理论综合了现有问答系统的优点，有望基于纯粹的文本知识，实现检索、理解、推理一体化的机制。
This theory combined the excellence of current Question Answering System and is hoped to fulfill the mechanism of retrieval, understanding and reasoning based on pure text knowledge.
本文还通过知识库中基于相似度的推理提高了知识库的可用性，为问答系统的应用提供了很大方便。
Similarity based reasoning is also added to the knowledge base system to increase its usability, and provide more convenience for QA systems.
提出了一种基于本体的自动问答系统模型，对领域知识本体的构建进行了研究。
A model of question answering system is put forward based on ontology. The building of the domain is introduced.
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