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Multiple citation patterns in scientific literature: The circle and hill models 科学文献中的多重引用模式:圆形和山丘模式
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90046-1
H.G. Small

The concept of tri-citation is introduced, as a logical extension of co-citation, and a geometrical model (the circle model) is devised to account for these and all other forms of multiple citation. The model is used to predict distances between documents which can be scaled metrically in two dimensional space. The model is also used to predict observed tri-citation frequencies among a set of six documents in particle physics. A further refinement of the model is suggested (the hill model) which promises to be more flexible. Implications of such spatial models for the representation of clusters of highly cited documents are discussed.

作为共同被引的逻辑延伸，引入了三被引的概念，并设计了一个几何模型(圆形模型)来解释这些和所有其他形式的多重被引。该模型用于预测文档之间的距离，这些文档可以在二维空间中进行度量缩放。该模型还用于预测粒子物理学中六篇文献中观察到的三被引频率。提出了对模型的进一步改进(希尔模型)，该模型具有更大的灵活性。讨论了这种空间模型对高被引文献簇表示的影响。
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引用次数: 26
Computer systems in the library: A handbook for managers and designers 图书馆中的计算机系统:管理人员和设计人员的手册
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90055-2
Rowena Weiss Swanson
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引用次数: 1
Understanding scientific literatures: A bibliometric approach 理解科学文献:文献计量学方法
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90051-5
Betty Rosenberg
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引用次数: 5
A linguistic approach to information retrieval—I 信息检索的语言学方法[j]
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90048-5
Petr Sgall, Eva Hajičová

An approach to translation between natural language and an artificial language useful for information storage and retrieval is presented. The technique is based on the “functional” generative description of language elaborated by the Prague group of algebraic linguistics. This paper concentrates on the characteristics of the artificial language.

提出了一种用于信息存储和检索的自然语言与人工语言之间的翻译方法。该技术是基于布拉格代数语言学小组详细阐述的语言的“功能”生成描述。本文主要研究人工语言的特点。
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引用次数: 7
Knowing books and men: Knowing computers, too 懂书，懂人，也懂电脑
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90049-7
H. Borko
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引用次数: 4
A performance study of some directory structures for large files 对一些大文件目录结构的性能研究
Information Storage and Retrieval
Pub Date : 1974-11-01 DOI: 10.1016/0020-0271(74)90042-4
J.B. Grimson, G.M. Stacey

Two different directory structuring techniques—division hash technique and a hybrid technique—are compared for the same set of keys with directories of from 10,000 to 100,000 unique keys. Retrieval costs, in terms of the number of accesses to secondary storage required to retrieve the keys, are considered in detail.

对于具有10,000到100,000个唯一键的目录的同一组键，比较了两种不同的目录结构技术——除法散列技术和混合技术。详细考虑了检索成本，即检索键所需的对二级存储的访问次数。
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引用次数: 1
Reader in music librarianship 音乐图书馆的读者
Information Storage and Retrieval
Pub Date : 1974-09-01 DOI: 10.1016/0020-0271(74)90077-1
Marsha Berman, Ann Briegleb
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引用次数: 0
Analysis of information systems: Ivan Wiesenberger, Prague: Svoboda (in Czech), 1973, 270 pp 信息系统分析:Ivan Wiesenberger，布拉格:Svoboda(捷克语)，1973年，270页
Information Storage and Retrieval
Pub Date : 1974-09-01 DOI: 10.1016/0020-0271(74)90076-X
A. Merta
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引用次数: 15
Directory of data bases in the social and behavioral sciences 社会和行为科学数据库目录
Information Storage and Retrieval
Pub Date : 1974-09-01 DOI: 10.1016/0020-0271(74)90078-3
Harry E. Welsh
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引用次数: 0
Costs of producing KWIC/KWOC indexes 生产KWIC/ kwwoc指标的成本
Information Storage and Retrieval
Pub Date : 1974-09-01 DOI: 10.1016/0020-0271(74)90068-0
L.H. Campey
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引用次数: 1
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