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网络信息检索的失误分析及扩检与缩检措施的选择 |
夏立新
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(华中师范大学信息管理系 武汉 430079) |
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Analysis of Internet-based Information Retrieval Failure and Selection of the expanding and narrowing searches |
Xia Lixin
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(Department of Information Management, Central China Normal University, Wuhan 430079, China) |
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