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Monday, August 1, 2016


Bibliogram by LIS CAfe: Asheesh Kamal

A bibliogram is a verbal construct made when noun phrases from extended stretches of text are ranked high to low by their frequency of co-occurrence with one or more user-supplied seed terms.
·         A seed term that sets a context.
·         Words that co-occur with the seed across some set of records.
·         Counts (frequencies) by which co-occurring words can be ordered high to low.

The term was introduced in 2005 by Howard D. White to name the linguistic object studied, but not previously named, in informetricsscientometrics and bibliometrics. The noun phrases in the ranking may be authors, journals, subject headings, or other indexing terms. The "stretches of text” may be a book, a set of related articles, a subject bibliography, a set of Web pages, and so on. Bibliograms are always generated from writings, usually from scholarly or scientific literatures.

·         positive skew distribution
·         empirical hyperbolic
·         scale-free (see also Scale-free network)
·         power law
·         size frequency distribution
·         reverse-J

In most cases bibliograms can be described by power laws such as Zipf's law and Bradford's law. In this regard, they have long been studied by mathematicians and statisticians in information science.
suggest additional terms for search strategies
characterize the work of scholars, scientists, or institutions
show who an author cites over time
show who cites an author over time
show the other authors with whom an author is co-cited over time
show the subjects associated with a journal or an author
show the authors, organizations, or journals associated with a subject
show library classification codes associated with subject headings and vice versa
show the popularity of items in the collections of libraries
model the structure of literatures with title terms, descriptors, author names, journal names

Other examples of bibliograms are the ordered set of an author's co-authors or the list of authors that are published in a specific journal together with their number of articles. A popular example is the list of additional titles to consider for purchase that you get when you search an item in Amazon. These suggested titles are the top terms in the "core" of a bibliogram formed with your search term as seed. The frequencies are counts of the times they have been co-purchased with the seed.

Please Click Here to Further reading  (Source: wikipedia)

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Asheesh Kamal

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