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Download full textWacholder, Nina; Evans, David K.; Klavans, Judith L. – 2001
The potential of automatically generated indexes for information access has been recognized for several decades, but the quantity of text and the ambiguity of natural language processing have made progress at this task more difficult than was originally foreseen. Recently, a body of work on development of interactive systems to support phrase…
Descriptors: Access to Information, Data Processing, Indexes, Information Seeking
Carpenter, Kathryn Hammell; Alexander, Adrian W. – American Libraries, 1994
Presents the 1994 periodical price index, based on subscription price information supplied and compiled by the Faxon Company to measure changes in average U.S. periodical prices. Highlights include subject categories, rates of increase, price index comparisons, prices by Library of Congress Classification, and comparative information from 1977…
Descriptors: Comparative Analysis, Cost Indexes, Costs, Economic Change
PDF pending restorationRose, Priscilla – 1971
Entries in the "Linguistic Bibliography for the Year 1967" (LB) were tabulated in order to determine the statistical characteristics of periodical coverage within each subject and language category in the LB's table of contents. The periodicals for which entries were tabulated included 998 journals and series, of which 632 are noted at least once…
Descriptors: Bibliographies, Citation Indexes, Citations (References), Foreign Language Periodicals
