From: Keyword Selection Skills Journal of changchun university of science and technology 2001; Jiang Han's free words generally refer to natural words that are not controlled by thesaurus and are used for subject indexing and retrieval. Free word indexing makes up for the specificity and trap of controlled language indexing, and there are two ways: automatic indexing and manual indexing.
Originated from: the use of free word indexing; Journal of Jiangxi Library (2001); Feng yahui
Abstract: This paper discusses the trend, reasons and rational use of free word indexing. The so-called free words refer to words that are not included in the glossary and can be added as needed but can be used for indexing and retrieval, especially proper nouns such as place names, people's names, organization names, event names and file names.
Origin: Principles and methods of subject indexing (2); Journal of Library Science1996; Zhang Qiyu
Principles and methods of subject indexing (II) Zhang Qiyu (Air Force Political College) 2.4 Rules of indexing and word selection (I) Quotations must be official subject words in thesaurus, and the writing form should be exactly the same as that in thesaurus. Do not use informal subject words for indexing; (2) Indexing and word selection should follow the following excellent page order: ① Specific words that best meet the theme of literature; 2 words that can be expressed in combination; Free words mean that the keywords searched are selected by the user without any restrictions. The client's WWW browsing and full-text search are completed with the support of the server's HTTP server and the index table generated by automatic search software such as WebCrawler. ...
Origin: the development of digital library and the problems it faces; Journal of Library 2001; Wangmudong
This paper summarizes the development of digital library, introduces the problems faced by digital library and the achievements and experiences obtained by digital library. (Ma Zhanghua and Hou Hanqing, Introduction to Thematic Methods of Document Classification, p. 357) "The so-called free words refer to natural language words that are not standardized outside the thesaurus." (Liu Xiangsheng, Wang, Document Indexing, p. 102) What is the supplementary indexing of free words?
Originated from: my humble opinion on supplementary indexing of free words; National Journal of Library Science, 2002; Zhu Qian's keywords are the languages used in documents, which are usually automatically extracted and sorted by computers, also known as free words. In addition, new retrieval languages for images, sounds and other multimedia data are gradually emerging.
From: the sixth lecture on information management of hospital departments; China Hospital Management1999; Huang, Gong Jianwei, Shi Qinglong
Abstract: Information technology is a hot topic in today's architecture, and people pay more and more attention to it. In view of its rich connotation, wide knowledge and wide coverage, this paper only lists the following issues from the perspective of hospital departments for discussion. 1 Basic concept of information 1. 1 There is no unified, clear and highly generalized statement about the definition of information. Some people say: "information is the objective existence that makes people increase their knowledge and know things"; Others said: "Information is news, intelligence, signals, data and knowledge"; There are also "information is the state and way to maintain the internal structure and external relations of things, to perceive, express and reflect their attributes and differences" and "information is the knowledge flow to transmit, process and express objective things through words, data and various information" and so on. In a word, information refers to the so-called free words in the objective world, that is, nouns and terms that are not included in the vocabulary but play a key role in revealing, identifying and retrieving documents. So, do all free words have to be recorded in the field of 6 10, and how?
From: using CNMARC6 10 fields to describe free words ...; National Journal of Library Science, 2004; Deng fuquan
According to the nature and characteristics of free word indexing, this paper analyzes and discusses the free words recorded in 6 10 field. In Reference 3, words that are not in this vocabulary are called free words. Chinese and foreign keywords should be placed under the Chinese and foreign abstracts. Key words of traditional Chinese medicine shall be subject to thesaurus of traditional Chinese medicine (Beijing Science and Technology Publishing House).
Originated from: how to write medical papers (2); Journal of Jinzhou Medical College1996; Yaohua Chen
How to write medical papers (2) Yaohua Chen (Journal Editorial Department) 5 Basic writing methods of medical papers 5. 1 The research topics have been initially selected in the scientific research design, but most of them are sketchy at this time. After the experimental observation, we got a lot of rich materials, read a lot of related literature, and got a new understanding of the research topic, so we must modify the original design topic. In ..., keywords can also be called free words, and index keywords are also called free indexes. Keyword indexing is relatively easy, but because there are many synonyms and synonyms in the same subject concept, similar documents will be scattered, which will affect the recall and precision in the retrieval process.
Origin: On Subject Indexing of Medical Journals: Huaihai Medical Journal, 2002; Words that are not in Chen Rongrong's dictionary are called free words. 4. Text: (1) Pay attention to the structural layout: all parts of the four-segment body should be properly arranged: the division of labor should be clear and duplication should be avoided.
Originated from: how to write academic papers (2); China Journal of Orthopaedics1994; Liao Youmou
How to write a good academic paper (II) Liao Youmou III. Basic writing 1 Title: It is required to highly summarize the main idea of the full text in order to attract readers' attention and interest, so it must be concise, appropriate and eye-catching, and play the role of making the finishing point. Generally speaking, Chinese titles should not exceed 20 words, and English titles should not exceed 10 words. The title of the article should be consistent with the content of the article: first, avoid being too broad and empty; The second taboo is too complicated. ...