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." ((Judging from the citation listed on Philipp …

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 …