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Issue No.02 - March/April (2006 vol.10)
pp: 66-73
Frank McCown , Old Dominion University
Xiaoming Liu , Los Alamos National Laboratory
Michael L. Nelson , Old Dominion University
Mohammad Zubair , Old Dominion University
ABSTRACT
Having indexed much of the "surface" Web, search engines are now using various approaches to index the "deep" Web. At the same time, institutional repositories and digital libraries are adopting the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) to expose their holdings. The authors harvested nearly 10 million records from OAI-PMH repositories. From these records, they extracted 3.3 million unique resource URLs and then conducted searches on samples from this collection to determine how much of the OAI-PMH corpus the three major search engines have indexed.
INDEX TERMS
OAI PMH, search engines, indexing, deep web
CITATION
Frank McCown, Xiaoming Liu, Michael L. Nelson, Mohammad Zubair, "Search Engine Coverage of the OAI-PMH Corpus", IEEE Internet Computing, vol.10, no. 2, pp. 66-73, March/April 2006, doi:10.1109/MIC.2006.41
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