To the extent I understand, Google and Google scholar are completely two different services. Google is simply a search engine. It scrawls almost the entire web at different frequencies (some sites once an hour and many sites may be once a month or quarter a year), caches the scrawled web and does machine indexing. It does not store and compile the content. It is simply a temporary index to cached content. Google Scholar is a database. It is a citation database like Scopus or Web of Science. The content is harvested, stored, compiled and indexed. Unlike other databases which may have manually controlled editorial process, Google does not seem do anything with the data that needs manual intervention. This could be one of the reasons why data quality in Google scholar is not dependable. Coverage of OA content in Google Scholar is very limited. But, we all trust Google a lot because Google has acquired the reputation of "the God" of the information world ....... the mysterious unknown. Google's search engine is of course very powerful and highly advanced. On Friday, 20 June 2014, Padmanabha Vyasamoorthy <vyasamoorthy@gmail.com> wrote:
http://arxiv-web3.library.cornell.edu/abs/1406.4331
Interesting paper: The dark side of Open Access in Google and Google Scholar: the case of Latin-American repositories. "Since repositories are a key tool in making scholarly knowledge open access, determining their presence and impact on the Web is essential, particularly in Google (search engine par excellence) and Google Scholar (a tool increasingly used by researchers to search for academic information). The few studies conducted so far have been limited to very specific geographic areas (USA), which makes it necessary to find out what is happening in other regions that are not part of mainstream academia, and where repositories play a decisive role in the visibility of scholarly production. The main objective of this study is to ascertain the presence and visibility of Latin American repositories in Google and Google Scholar through the application of page count and visibility indicators. For a sample of 137 repositories, the results indicate that the indexing ratio is low in Google, and virtually nonexistent in Google Scholar; they also indicate a complete lack of correspondence between the repository records and the data produced by these two search tools." ==============
Dr P Vyasamoorthy President: Society for Serving Seniors 30 Gruhalakshmi Colony, Secunderabad 500015 Telengana LL 040-27846631 / Mobile: 9490804278
Did not know that Mumbai Samachar (Gujarathi) is the oldest (192 years) surviving Daily in India
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