Is Google scholar better than Scopus and Web of Science indexed journals?

Google Scholar Citations provide a simple way for authors to keep track of citations to their articles. You can check who is citing your publications, graph citations over time, and compute several citation metrics. You can also make your profile public, so that it may appear in Google Scholar results when people search for your name, e.g., richard feynman.

Best of all, it's quick to set up and simple to maintain - even if you have written hundreds of articles, and even if your name is shared by several different scholars. You can add groups of related articles, not just one article at a time; and your citation metrics are computed and updated automatically as Google Scholar finds new citations to your work on the web. You can choose to have your list of articles updated automatically or review the updates yourself, or to manually update your articles at any time.

H-Index: The h-index is an author-level metric that attempts to measure both the productivity and citation impact of the publications of a scientist or scholar. The index is based on the set of the scientist's most cited papers and the number of citations that they have received in other publications. The index can also be applied to the productivity and impact of a scholarly journal as well as a group of scientists, such as a department or university or country. The index was suggested in 2005 by Jorge E. Hirsch, a physicist at UCSD, as a tool for determining theoretical physicists relative quality and is sometimes called the Hirsch index or Hirsch number.
The Web of Science also uses the H-Index to quantify research output by measuring author productivity and impact.
H-Index = number of papers (h) with a citation number ≥ h.  
Example: a scientist with an H-Index of 37 has 37 papers cited at least 37 times.  

Advantages of the H-Index:
  • Allows for direct comparisons within disciplines
  • Measures quantity and impact by a single value.
As can easily be verified in Table-1, Google Scholar is the most democratic of the three data sources in that it provides the highest level of citations for all ten academics in our sample, with the exception of our Pharmacist.

Table-1,  Source: harzing.com


Table-2,  Source: harzing.com

As is readily apparent form Table-2, for the academics working in the Social Sciences and Humanities, the differences between Google Scholar on the one hand, and ISI or Scopus on the other hand are much larger than for academics working in the Sciences.


There are many reports and study has been conducted time to time over the Indexing and Impact Factor of the Journals Comparing Google Scholar on the one hand and ISI and Scopus on the other hand provides mixed results. For the academics working in the Sciences, Google Scholar's advantage over Scopus is larger than over ISI (except for the Computer Scientist). For the academics working in the Social Sciences and Humanities, this pattern is reversed in that Google Scholar's advantage over ISI is larger than over Scopus. However, in virtually all cases Google Scholar provide the highest citation count, reflecting its broader coverage in terms of sources compared to both ISI and Scopus and its longer coverage in time compared to Scopus.

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    Google Scholar aims to index everything, no matter how bad it is. In terms of quality, Web of Science is the most selective, with SCOPUS being another index with reasonable quality assurance.

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