The characteristics of the Intrex subject/title inverted file are analyzed. Basic statistics of the inverted file are presented including various distributions of the index words and terms from which the file was derived, and statistics on stems, the file growth process, and redundancy measurements. A study of stems both with extremely high and…

Twelve papers written by fifteen authors from nine countries comprise this collection which embraces many of the crucial problems facing modern information science and scientific information activities, ranging from information needs of scientists and specialists to the specific aspects of computerization of various information processes. The…

The current library environment is first examined, and an attempt is made to explain why the standard approaches to the library problem have been less productive than had been anticipated. A new design is then introduced for modern library operations based on a two-fold strategy: on the input side, the widest possible utilization should be made of…

The growth of indexing services has emphasized the need for more knowledge of the indexing process itself. Consistency is necessary for continuing progress in the field. This study postulates that: (1) definitions of indexer consistency should consist of the indexer's perception of indexable concepts and his choice of terminology; (2) both parts…

This supplementary report was designed to aid the researcher concerned with concept learning. It contains: (1) rationale and strategy for compiling a bibliography of articles concerned with concept learning; (2) a definition of the world "concept"; (3) a system for classifying articles by their content; (4) a bibliography of relevant articles…

Obsessive thoughts (intellectualization, obsessive ideation) were studied by S. Freud, as were compulsions. The former are related to isolation, fixed ideas, compartmentalization, and encapsulation but differ from intellectuality. Compulsions are related to obsessive acts, ritualizations, and undoing but differ from habit. Analagously, obsessive…

A method of preparing computerized subject and author indexes for research and development laboratory notebooks is described. Wiswesser Line Notation is used as the subject entry capable of listing specifically and unambiguously the compounds described in the notebooks. (Author)

The activities of the Dag Hammarskjold Library at United Nations (UN) Headquarters relating to the documentation of the UN are described. The topics discussed are: acquisition and maintenance of materials, indexing, reference, microreproduction, depository libraries, standardization, and coordination with agencies in the UN system. (Author)

Describes a method for enhancing the subject index terms of a document with title terms from cited, citing, and cocited documents. Experimental results of this methodology are presented, and responses to criticisms of this strategy are made. (40 references) (CLB)

Describes the uniterm system of coordinate indexing and examines its applicability to the indexing of Arabic literature. Unresolved problems in semantics, thesauri development, and standardization are identified and discussed. (CLB)

Explains a new methodology for thesaurus design that is specifically geared for use by novice end-users, and describes a faceted hierarchical thesaurus organization which provides an economical information retrieval system in a corporate setting. (Author/LRW)

This study surveyed abstracting policies and guidelines used by producers of bibliographic databases that aim to enhance free-text retrieval. Results indicate editors consider content of abstracts and their language as primary factors in retrieval enhancement. Most recommend that concepts and form be coordinated with controlled vocabulary…

Proposes split model for index term distribution in document set that uses rank function for high frequency terms and size function for low frequency terms; the point of transition is determined either empirically or by rule. Distributions to describe index term exhaustivity and term co-occurrence are considered briefly. (36 references) (EJS)

Study of state of source indexing (indexing data published simultaneously with articles they represent) examines aspects of 685 science journals: science fields using source indexing; source indexing formats; assignment of indexing terms from controlled vocabularies; suppliers of indexing (authors, editors, indexers); use of source indexing by…

Empirical significance of document partitions is investigated as a function of index term-weight and similarity thresholds. Results show the same empirically preferred partitions can be detected by two independent strategies: an analysis of cluster-based retrieval analysis and an analysis of regularities in the underlying structure of the document…