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Author : Pranas Zunde
Publisher : Unknown
Page : 118 pages
File Size : 53,5 Mb
Release : 1966
Category : Abstracting and indexing services
ISBN : IND:30000107101978
Author : Pranas Zunde
Publisher : Unknown
Page : 0 pages
File Size : 50,9 Mb
Release : 1965
Category : Automatic indexing
ISBN : OCLC:17347198
State-of-the-art of machine indexing is reported. Various proposed machine indexing methods are reviewed and evaluated. Methods for comparing machine and human indexing as well as machine indexing systems among themselves are described. Possible approaches to various problem solutions in machine indexing are indicated. The report describes the design of the Formal Autoindexing of Scientific Texts (FAST) system. Characteristics of Uniterm co- ordinate indexes are investigated and generalizations to scientific indexes made. Laws for the formation of words in the indexing language are derived and verified. The operational principles of the FAST system and test results of various system components are reported. Indexes produced by the FAST method are compared with those produced by human indexers for inter-indexer and intra- indexer consistency. A method of formal evaluation of indexes using the information theory approach is presented and applied to the FAST and conventional indexes. It is concluded that the FAST system can produce Uniterm co-ordinate indexes adequate to user's requirements better and faster than human indexers can do.
Author : National Science Foundation (U.S.). Office of Scientific Information
Publisher : Unknown
Page : 526 pages
File Size : 49,8 Mb
Release : 1958
Category : Electronic
ISBN : UCAL:B2908056
Author : Anonim
Publisher : Unknown
Page : 1434 pages
File Size : 53,5 Mb
Release : 1966
Category : Documentation
ISBN : IND:30000089085199
Author : Mary Elizabeth Stevens
Publisher : Unknown
Page : 300 pages
File Size : 51,9 Mb
Release : 1970
Category : Automatic indexing
ISBN : UIUC:30112018708807
Author : Marie-Francine Moens
Publisher : Springer
Page : 266 pages
File Size : 49,8 Mb
Release : 2013-03-12
Category : Computers
ISBN : 1475773757
Automatic Indexing and Abstracting of Document Texts summarizes the latest techniques of automatic indexing and abstracting, and the results of their application. It also places the techniques in the context of the study of text, manual indexing and abstracting, and the use of the indexing descriptions and abstracts in systems that select documents or information from large collections. Important sections of the book consider the development of new techniques for indexing and abstracting. The techniques involve the following: using text grammars, learning of the themes of the texts including the identification of representative sentences or paragraphs by means of adequate cluster algorithms, and learning of classification patterns of texts. In addition, the book is an attempt to illuminate new avenues for future research. Automatic Indexing and Abstracting of Document Texts is an excellent reference for researchers and professionals working in the field of content management and information retrieval.
Author : United States. Air Force. Office of Aerospace Research
Publisher : Unknown
Page : 586 pages
File Size : 48,8 Mb
Release : 1965
Category : Aeronautics
ISBN : UOM:39015036833492
Author : Anonim
Publisher : Unknown
Page : 576 pages
File Size : 44,9 Mb
Release : 2024-06-28
Category : Aeronautics
ISBN : STANFORD:36105211293019
Author : United States. Air Force. Office of Aerospace Research
Publisher : Unknown
Page : 576 pages
File Size : 44,5 Mb
Release : 1965
Category : Aeronautics, Military
ISBN : CORNELL:31924057100285
Author : Anonim
Publisher : Unknown
Page : 760 pages
File Size : 46,6 Mb
Release : 2024-06-28
Category : Science
ISBN : CORNELL:31924057185575
Author : Anonim
Publisher : Unknown
Page : 300 pages
File Size : 52,9 Mb
Release : 1959
Category : Physics
ISBN : PSU:000006094034
Author : Robert S. Wyly
Publisher : Unknown
Page : 520 pages
File Size : 50,6 Mb
Release : 1964
Category : Drainage, House
ISBN : UOM:39015006074119
Results are reported from an investigation of the hydraulics of flow in experimental apparatus simulating nominally horizontal simple and branching drains of plumbing systems. The data are correlated with limited findings in an earlier, unpublished NBS study the results of which have been utilized in current plumbing codes. The need for further research is pointed out, particularly in relation to hydraulic performance of drain systems as affected by steep slopes, drain storage volume, energy losses at stack bases, attenuation of water depths and discharge rates in long drains, and large drain diameters.
Author : Mary Elizabeth Stevens
Publisher : Unknown
Page : 240 pages
File Size : 54,9 Mb
Release : 1965
Category : Automatic indexing
ISBN : STANFORD:36105033324588
Author : Frederick Wilfrid Lancaster
Publisher : University of Illinois, Graduate School of Library & Information Science
Page : 352 pages
File Size : 55,7 Mb
Release : 1991
Category : Language Arts & Disciplines
ISBN : UOM:39015027270886
A textbook for a course in either an academic or a professional education program for librarians. Reviews the principles, practice, consistency, and quality of indexing; the types and functions of abstracts; natural language in informating retrieval; and the future of indexing and abstracting services. Annotation copyrighted by Book News, Inc., Portland, OR
Author : United States. Office of State Technical Services
Publisher : Unknown
Page : 66 pages
File Size : 55,5 Mb
Release : 1968
Category : Information storage and retrieval systems
ISBN : UOM:39015027426066
