Guidelines for Using Astia Descriptors

Guidelines for Using Astia Descriptors PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 34

Get Book Here

Book Description

Guidelines for Using Astia Descriptors

Guidelines for Using Astia Descriptors PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 34

Get Book Here

Book Description


Philosophy of and Guidelines for Revision of the ASTIA Thesaurus

Philosophy of and Guidelines for Revision of the ASTIA Thesaurus PDF Author: T. L. Gillum
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 44

Get Book Here

Book Description


ASTIA Guidelines for Cataloging and Abstracting

ASTIA Guidelines for Cataloging and Abstracting PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Cataloging of technical literature
Languages : en
Pages : 46

Get Book Here

Book Description


The Philosophy and Guidelines for Revision of the Thesaurus of ASTIA Descriptors

The Philosophy and Guidelines for Revision of the Thesaurus of ASTIA Descriptors PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 36

Get Book Here

Book Description


The Making of Test Thesaurus of Engineering and Scientific Terms

The Making of Test Thesaurus of Engineering and Scientific Terms PDF Author: J. Heston Heald
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 106

Get Book Here

Book Description


Scientific Information Activities of Federal Agencies

Scientific Information Activities of Federal Agencies PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 12

Get Book Here

Book Description


ASTIA Thesaurus Code Manual

ASTIA Thesaurus Code Manual PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Subject headings
Languages : en
Pages : 62

Get Book Here

Book Description


Information Storage and Retrieval

Information Storage and Retrieval PDF Author: George W. Barnard
Publisher:
ISBN:
Category : Abstracting
Languages : en
Pages : 32

Get Book Here

Book Description
The field of information retrieval, the methods of indexing and storing the vast number of scientific documents which have been produced in recent years is surveyed. Information retrieval utilizes coordinate indexing - that is, listing documents under all the topics they contain and searching for them by two or more terms. There are two principal types of indexing: one using a predetermined list of terms into which all documents must be fitted and the other allowing free choice of the terms found in the documents themselves. Elaboration of these methods and the difficulty of developing a list of indexing terms are also discussed. An information retrieval system may consist of an index only, an index with an abstract, or an entire document with an index. The mechanical equipment used may range from punched cards through IBM cards to complex computers and micro photographic systems. The experiences of various organizations with different combinations of equipment and methods are discussed.

Technical Abstract Bulletin

Technical Abstract Bulletin PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Military art and science
Languages : en
Pages : 1746

Get Book Here

Book Description


Scientific Information Activities of Federal Agencies

Scientific Information Activities of Federal Agencies PDF Author: National Science Foundation (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 764

Get Book Here

Book Description