Automatically indexing documents: content vs. reference

Authors:
Shannon Bradshaw;Kristian Hammond
Affiliations:
Northwestern University, Evanston, IL;Northwestern University, Evanston, IL
Venue:
Proceedings of the 7th international conference on Intelligent user interfaces
Year:
2002

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Abstract

Authors cite other work in many types of documents. Notable among these are research papers and web pages. Recently, several researchers have proposed using the text surrounding citations (references) as a means of automatically indexing documents for search engines, claiming that this technique is superior to indexing documents based on their content [1,2]. While we ourselves have made this claim, we acknowledge that little empirical data has been presented to support it. Therefore, in the limited space available we present a terse overview of a study comparing reference to content as bases for indexing documents. This study indicates that reference identifies the value of documents more accurately and with a greater diversity of language than content.