Page 189 - DLIS402_INFORMATION_ANALYSIS_AND_REPACKAGING

Information Analysis and Repackaging

Notes Similarities

• The subject content has to be analyzed and then, the standardized term has to be identified.
• In both types, the terms have to be co-ordinated.
• Both the systems involve the arrangement of the indexed cards in some logical order.

Differences
• In input preparation
• Differences in access point
• Differences in arrangement
• Differences in search time
• Differences in browse ability.

Self Assessment

Multiple Choice Questions:
1. ...... is a mechanical method to derive subject index entries or subject headings from the class
number of the document.
(a) Chain indexing (b) Assingment indexing (c) Subject indexing
2. ...... aims at providing an alphabetical subject index which is able to cater to the variant
approaches of the users along with their context.
(a) EAC (b) PRECIS (c) POPSI
3. ...... indexing system is a system in which information is organised under simple main
headings but with devices whereby the user can combine them to produce compound subject.
(a) Pre-coordinate (b) Post-coordinate (c) Citation

10.3 Citation Indexing

Citation indexing makes links between books and articles that were written in the past and articles
that make reference to (“cite”) these older publications. In other words, it is a technique that allows
us to trace the use of an idea (an earlier document) forward to others who have used (“cited”) it. The
evidence that we take as indicating this “relationship” between earlier research and subsequent
research are the references or footnotes or endnotes (citations) in the more recent work.
Major citation indexing services
There are two publishers of general-purpose academic citation indexes, available to libraries by
subscription:
ISI (now part of Thomson Scientific), which publishes the ISI citation indexes in print and compact
disc. They are now generally accessed through the Web under the name Web of Science, which is in
turn part of the group of databases in the Web of Knowledge.

Elsevier, which publishes Scopus, available online only, which similarly combines
subject searching with citation browsing and tracking in the sciences and social
sciences.
Each of these offer an index of citations between publications and a mechanism to establish which
documents cite which other documents. They differ widely in cost: the ISI databases and Scopus are
subscription databases; the others mentioned are freely available online.

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