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Exploring the academic invisible web
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Journal Article
Exploring the academic invisible web
2006
Overview
Purpose - The purpose of this article is to provide a critical review of Bergman's study on the deep web. In addition, this study brings a new concept into the discussion, the academic invisible web (AIW). The paper defines the academic invisible web as consisting of all databases and collections relevant to academia but not searchable by the general-purpose internet search engines. Indexing this part of the invisible web is central to scientific search engines. This paper provides an overview of approaches followed thus far.Design methodology approach - Provides a discussion of measures and calculations, estimation based on informetric laws. Also gives a literature review on approaches for uncovering information from the invisible web.Findings - Bergman's size estimate of the invisible web is highly questionable. This paper demonstrates some major errors in the conceptual design of the Bergman paper. A new (raw) size estimate is given.Research limitations implications - The precision of this estimate is limited due to a small sample size and lack of reliable data.Practical implications - This study can show that no single library alone will be able to index the academic invisible web. The study suggests a collaboration to accomplish this task.Originality value - Provides library managers and those interested in developing academic search engines with data on the size and attributes of the academic invisible web.
Publisher
Emerald Group Publishing Limited,Emerald
Subject
/ AIW
/ Errors
/ Exact sciences and technology
/ Indexing
/ Information and communication sciences
/ Information processing and retrieval
/ Information retrieval. Man machine relationship
/ Information science. Documentation
/ Information seeking behavior
/ Internet
/ Online information retrieval
/ Research process. Evaluation
/ Science
/ Sciences and techniques of general use
/ Studies
