Concepts
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Sparck Jones has carried on this work using measures of association between keywords based on their frequency of co occurrence that is,the frequency with which any two keywords occur together in the same document
...The term information structure for want of better words covers specifically a logical organisation of information,such as document representatives,for the purpose of information retrieval
...The organisation of these files is produced by an automatic classification method
...Evaluation of retrieval systems has proved extremely difficult
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document clustering,search strategies,and such like to work inside a computer
...Bibliographic remarks In recent years a vast literature on automatic classification has been generated
...A book and a report on cluster analysis with a computational emphasis are Anderberg [59]...Two papers worth singling out are Sibson [65]...Much of the early work in document clustering was done on the SMART project
...There are a number of areas in IR where automatic classification is used which have not been touched on in this chapter
...One further interesting area of application of clustering techniques is in the clustering of citation graphs
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