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Analysis of Google Scholar and Google Books

Two papers were published recently exploring the quality of Google Scholar and Google Books.

Google Scholar

Philipp Mayr and Anne-Kathrin Walter, both of GESIS / Social Science Information Center in Bonn, Germany, uploaded an article to arXiv called “An exploratory study of Google Scholar.” ¹ Originally created as a presentation for a 2005 conference, it was updated in January 2007 to reflect new findings and published as a paper. Excerpts from the abstract include:

The study shows deficiencies in the coverage and up-to-dateness of the [Google Scholar] index. Furthermore, the study points up which web servers are the most important data providers for this search service and which information sources are highly represented. We can show that there is a relatively large gap in Google Scholar’s coverage of German literature as well as weaknesses in the accessibility of Open Access content. Major commercial academic publishers are currently the main data providers.

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Also tagged ejournal, Google, Google Book Search, Google Scholar, publishing

2007 08 15

Raw Technology

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Article-Level OAI-PMH Harvest Available from DOAJ

Earlier this year the DOAJ began offering a new schema for registered articles that significantly improves the value of OAI-PMH harvested article content. Prior to this addition the only scheme available was Dublin Core, which as a metadata schema for describing article content is woefully inadequate. (Dublin Core, of course, was never designed to handle the complexity of the description of an average article.) The new schema (graphically represented here
— select thumbnail to see a larger version) includes elements for ISSN/eISSN, volume/issue, start/end page numbers, and author affiliation. There is also a <fullTextUrl> element that is a link to the article content itself (not the splash page of the article on the publisher’s site).