关键字

IF 0.6 4区 管理学 Q3 INFORMATION SCIENCE & LIBRARY SCIENCE Knowledge Organization Pub Date : 2021-01-01 DOI:10.5771/0943-7444-2021-6-430
Marco Lardera, Birger Hjørland
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引用次数: 0

摘要

本文讨论了“关键字”和相关术语的不同含义,如“关键字”、“描述符”、“索引术语”、“主题标题”、“标签”和“n-gram”,并给出了这些术语的定义。它进一步说明了关键字的分类,基于它们是如何产生的或谁是生成它们的参与者,并给出了作者分配关键字、索引分配关键字和读者分配关键字之间的比较,以及关键字的自动生成。本文还考虑了关键词的功能,包括利用关键词生成书目索引。给文章提供信息的理论观点是,将关键字分配给文本、图片或其他文件,涉及对该文件的解释和对该文件对用户的潜力的评估。这个透视图对于手动分配关键字和自动生成都很重要,并且与认为一组关键字是为所有请求理想地呈现文档的最佳表示的强烈倾向相反。
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Keyword
This article discusses the different meanings of ‘keyword’ and related terms such as ‘keyphrase', ‘descriptor’, ‘index term’, ‘subject heading’, ‘tag’ and ‘n-gram’ and suggests definitions of each of these terms. It further illustrates a classification of keywords, based on how they are produced or who is the actor generating them and present comparison between author-assigned keywords, indexer-assigned keywords and reader-assigned keywords as well as the automatic generation of keywords. The article also considers the functions of keywords including the use of keywords for generating bibliographic indexes. The theoretical view informing the article is that the assignment of a keyword to a text, picture or other document involves an interpretation of the document and an evaluation of the document’s potentials for users. This perspective is important for both manually assigned keywords and for automated generation and is opposed to a strong tendency to consider a set of keywords as ideally presenting one best representation of a document for all requests.
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来源期刊
Knowledge Organization
Knowledge Organization INFORMATION SCIENCE & LIBRARY SCIENCE-
CiteScore
1.40
自引率
28.60%
发文量
7
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