For citation analysis, Scopus offers about 20% more coverage than Web of Science, whereas Google Scholar offers results of inconsistent accuracy., pub Med remains an optimal tool in biomedical electronic research.
Google scholar is larger and larger than ISI and Scopus. Note that the smaller is better in publication quality. From the content aspect, Scopus has 28 million record, against almost 37 million in ISI. Scopus includes 15.000 journal titles, and ISI includes 9000 journal titles. Actually there is a large overlap between Scopus and ISI.
This of course begs the query “Why are Google Scholar citations higher than Scopus citations?”
Our best answer is the main concern by the authors is that citations for a given article are higher in Google Scholar than Scopus or Web of Science (well, one mainly focusses on the fact that they’re different ). Higher because they include theses, patents, websites etc. Maybe also false positives.
One answer is that google Scholar appeared to be a superset of Web of Science and Scopus, as it was able to find 93% of the citations found by Web of Science, and 89% of the citations found by Scopus. Last but not least, over 50% of all the citations to Social Science articles were only found by Google Scholar.
What makes Google Scholar different from other scholarly sites?
Book coverage – Google Scholar excels at this way more than the others as it covers Google Books content along with other freely-accessible online publications. Authors with common names – Scopus and Web of Science can easily help distinguish between similar author names. Book coverage via Google Books and free online publications.
Google Scholar uses a web crawler, or web robot, to identify files for inclusion in the search results. For content to be indexed in Google Scholar, it must meet certain specified criteria.
What is Google Scholar?
Google Scholar helps you find relevant work across the world of scholarly research. Search all scholarly literature from one convenient place Explore related works, citations, authors, and publications Locate the complete document through your library or on the web.
How can I improve my Google Scholar search results?
Use keywords instead of full sentences. Let’s say your research topic is about self driving cars. For a regular Google search we might enter something like “what is the current state of the technology used for self driving cars”. In Google Scholar you will see less than ideal results for this query.
How do I get the full text of articles on Google Scholar?
Library links-As noted, Google Scholar allows you to get the Full Text of articles through your institution’s subscriptions-where available. Search for and add your institution (s) here to have the relevant link included in your search results.
Does Google Scholar return all resources that I get in search?
Yet, Google Scholar does not return all resources that you may get in search at you local library catalog. For example, a library database could return podcasts, videos, articles, statistics, or special collections. For now, Google Scholar has only the following publication types:.