Book Use as a Bradford-Zip£ Phenomenon

نویسنده

  • STEPHEN BULICK
چکیده

The Bradford distribution is introduced and explained; its ambiguity, arising from two different conceptions, and relationship to the Zipf distribution are discussed. The general situation that might be expected to yield such a distribution is described and shown to fit the interaction between book users and books available for use in a library. Circulation data from a major research library are then shown to follow the verbal rather than the graphical formulation of Bradford's law. Some possible implications are discussed.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

The Phenomenon of Science: a cybernetic approach to human evolution

This PDF edition was produced for the Web by the Principia Cybernetica Project for research purposes (see the introductory notice). The complete HTML source and GIF images of this book are also available as a single, compressed file in ZIP format. The hard copy book was scanned and converted to HTML by An Vranckx and Francis Heylighen and the pagination and layout are not identical to the origi...

متن کامل

Determination of Protein Concentration Using Bradford Microplate Protein Quantification Assay

Background: Bradford protein assay is popular due to its ease of performance and relative sensitivity. Many researchers and laboratories in Iran use standard assay of Bradford by cuvette. No commercial kit was available for Bradford microplate assay in Iran. Meanwhile, imported Bradford commercial kits are very expensive and have a long delivery time in Iran. Till now no study or document on Br...

متن کامل

A Model for Runway Landing Flow and Capacity with Risk and Cost Benefit Factors

As the demand for the civil aviation has been growing for decades and the system becoming increasingly complex, the use of systems engineering and operations research tools have shown to be of further use in managing this system. In this study, we apply such tools in managing landing operations on runways (as the bottleneck and highly valuable resources of air transportation networks) to handle...

متن کامل

Introducing the Unified E-book Format and a Hybrid Library 2.0 Application Model Based on It

We introduce Unified e-Book Format (UeBF) and an example Hybrid Library 2.0 application model based on it. The UeBF is a file format for storing electronic books and related metadata we have designed and developed. It differs from other electronic book file formats in its ability to store an electronic book in multiple file formats and related metadata using multiple metadata standards, all in ...

متن کامل

A green, efficient, and rapid procedure for the synthesis of pyrano[3,2-c] quinoline and pyrano[3,2-c]pyridone derivatives catalyzed by [BMIm]Cl

A highly practical and efficient preparation of pyrano[3,2-c]pyridone and pyrano[3,2-c]quinoline derivatives was developed via an ionic liquid mediated and promoted multi-component reaction of malononitrile, aldehyde, and 4-hydroxyquinolin-2(1H)-one or 4-hydroxy-6-methylpyridin-2(1H)-one. The combinatorial syntheses were achieved for the first time without applying extra activation energy at am...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2012