题名与关键词在文献内容揭示中的对比研究——基于农产品品牌评价领域

发布时间：2018-03-13 20:34

  本文选题：文本聚类　切入点：K-means　出处：《情报科学》2017年10期 　论文类型：期刊论文

【摘要】：【目的/意义】随着数字文本数量的增加,题名与关键词作为文本表示方式之一,对文本的揭示作用日益突显。【方法/过程】基于我国农产品品牌评价领域的相关文献,对文章的题名与关键词分别进行了聚类分析,并对两者的聚类结果进行了对比,发现基于题名与基于关键词的聚类结果不完全一致,但存在交集,进而将题名与关键词叠加后进行聚类,经过分析认为聚类结果得到了改善。【结果/结论】发现题名与关键词对文献内容的揭示程度不同,且均不能良好地概括农产品品牌评价领域的文献内容,二者融合后结果得到改善;同时对今后研究中论文题名与关键词的选取提出了一些建议。
[Abstract]:[purpose / significance] with the increase of the number of digital texts, title and key words are used as one of the ways to express the text, and the role of revealing the text is increasingly prominent. [method / process] based on the relevant literature in the field of brand evaluation of agricultural products in China, In this paper, the title and key words of the paper are analyzed, and the results of clustering are compared. It is found that the clustering results based on title and keyword are not completely consistent, but there is an intersection between them. Then the title and key words are clustered together, and the clustering results are improved. [result / conclusion] it is found that the title and key words reveal different degrees of literature content. Neither of them can generalize the literature content in the field of agricultural product brand evaluation, and the results of the integration of the two methods are improved. At the same time, some suggestions on the selection of title and key words in the future research are put forward.
【作者单位】： 南京大学信息管理学院;南京大学江苏省数据工程与知识服务重点实验室;
【基金】：国家社会科学基金项目(12BTQ037) 国家自然科学基金青年项目(71503121)
【分类号】：G254
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本文编号：1608074