Information retrieval systems : (Record no. 9421)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 01672cam a2200229 4500 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 681114s1968 nyua b 001 0 eng |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER | |
| International Standard Book Number | 0471512400 |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | DLC |
| Transcribing agency | DLC |
| 050 00 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | Z699 |
| Item number | .L35 |
| 082 00 - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | 029 |
| Item number | LAN |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Lancaster, F. Wilfrid |
| 245 10 - TITLE STATEMENT | |
| Title | Information retrieval systems : |
| Remainder of title | characteristics, testing, and evaluation / |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Place of publication, distribution, etc | New York : |
| Name of publisher, distributor, etc | John Wiley & Sons, |
| Date of publication, distribution, etc | c1968. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | xiv, 222 p. :ill, |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE | |
| Bibliography, etc | Includes bibliographical references and index |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | As Lancaster clearly recognizes, "The quality of the index language is probably the most important single factor governing the performance of a retrieval system." Cited data on the MEDLARS system show that all but 2 of the system failures stem directly or indirectly from the inability of users to ask successfully for what they want in these extremely restricted and cantankerous "index languages." As a result, the actual performance of current systems range from mediocre to atrocious. An outstanding feature of the text is a careful and comprehensive evaluation of one of the best of the systems, MEDLARS. Overall, about 58% of the pertinent items in MEDLARS files are retrieved on request. Only about 50% of the items that are retrieved turn out to be pertinent to the request. This is not very good performance particularly when it is remembered that an "information retrieval system does not inform the user on the subject of his inquiry. It merely informs him on the existence ... of documents |
| 590 ## - Local Notes: Cataloguer & Date | |
| Local note | rpm 27/07/2018 |
| 591 ## - Local Note: Item Class (Ref/Loans/Arch): Loans | |
| Local Note: Item Class | Loans |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name as entry element | Information storage and retrieval systems. |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Dewey Decimal Classification |
| Koha item type | Monograph & others |
| 949 ## - LOCAL PROCESSING INFORMATION (Call No. /Shelf Ref) | |
| Call No. /Shelf Ref | 029 LAN |
| Withdrawn status | Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Collection code | Home library | Current library | Shelving location | Date acquired | Total Checkouts | Full call number | Barcode | Date last seen | Bill Date | Koha item type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | Non-fiction | CBN HQ Library | CBN HQ Library | General Stacks | 27/07/2018 | 029 LAN | 31008100097530 | 27/07/2018 | 27/07/2018 | Monograph & others |