| 基于主成分分析的特色数据库的评价 |
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| 引用本文： | 董敏红.基于主成分分析的特色数据库的评价[J].图书情报知识,2010(3). |
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| 作者姓名： | 董敏红 |
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| 作者单位： | 郑州轻工业学院图书馆; |
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| 基金项目： | 河南省政府决策研究招标课题“河南省高校图书馆特色库建设与利用研究”(B504); 郑州轻工业学院科研基金项目“轻工专题数据库的研究”系列成果之一 |
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| 摘 要： | 以郑州轻工业学院自建16个特色数据库为对象,基于主成分分析原理,采用SPSS软件分析这16个特色数据库评价指标的合理性和科学性。结果表明,评价指标的选择必须考虑指标间是否具有相关性,同时特色库建设的内容考虑的应该是数据库的覆盖的范围和数量、查准率、查全率、更新频率和使用频率、界面友好和方便程度。最重要的是数据库的建设必须以使用者为导向。
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| 关 键 词： | 主成分分析 特色数据库 评价 |
Evaluation of Characteristic Database Based on Principal Components Analysis |
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| Dong Minhong.Evaluation of Characteristic Database Based on Principal Components Analysis[J].Document,Information & Knowledge,2010(3). |
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| Authors: | Dong Minhong |
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| Abstract: | The rationality and scientificalness of evaluation indictors system were investigated through SPSS software based on principal components analysis and 16 characteristic databases of ZZULI. The results showed that selection of evaluation indictors must consider the relativity between indictors. Meanwhile, the area covered and quantity of characteristic database, as well as precision ratio, recall ratio,update frequency and operating frequency, the friendly and convenient interface also should be considered d... |
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| Keywords: | Principal components analysis The characteristic database Evaluation |
| 本文献已被 CNKI 等数据库收录！ |
