In several case the results obtained through Google Scholar are considerably different from the results based on the Web of Science and Scopus. Scopus citations are comparable to Web of Science citations when limiting the citation period to 1996 and onwards (the citation coverage of Scopus)—each database … Google Scholar and Scopus data took about 500 h of collecting and processing time. Scopus, Google Scholar, Web of knowledge: Too much or not too much? Google Scholar provides a simple way to broadly search for scholarly literature. Data cleansing is discussed extensively. Scopus and WoS prioritize English literature, while Google Scholar is more inclusive to different languages. Scopus, Web of Science, and Google Scholar: strengths. Turkish Online Journal of Qualitative Inquiry. Scopus includes 15.000 journal titles, and ISI includes 9000 journal titles. Almost a half (49%) of articles had no citations and 11% had an equal number of identical citations in all 3 databases. Library Trends, 56, 784-815. They index data from publishers only if the publisher is willing to provide at least the abstract of the paper freely (Google Scholar, 2005) – viewing the full text may be fee or subscription based. Keywords: Google Scholar, Scopus, Web of Science. Meho, L. I. and Yang, K., 2007. Objective: To compare the citation count profiles of articles published in general medical journals among the citation databases of Web of Science, Scopus, and Google Scholar. Design: Cohort study of 328 articles published in JAMA, Lancet, or the New England Journal of Medicine between October 1, 1999, and March 31, 2000. Results. Compared with Web of Science, Scopus retrieved more citations from non-English-language sources (median, 10.2% vs 4.1%) and reviews … Scopus and Web of Science are databases that belong to commercial providers and require an access fee. Google Scholar and Scopus seem to provide higher numbers of citations (Falagaset al.,2008), there is mixed information on the h index. ICOLC Autumn On average, the top 50 articles in all four journals were cited 41 (WoS), 52 (Scopus, 26% higher citations count than WoS, range 8-42% in the different journals), and 93 times (Google Scholar, 116% higher citation count than WoS, range 42-203%). PubMed and Google Scholar are free and provide open access to all interested clinicians, researchers, and trainees and also to the public in general. PubMed remains an optimal tool in … This paper focuses on the results of the content verification process which measured amongst others the citation counts, multiple copies and inconsistencies encountered across the three citation resources ISI Web of Science, Scopus and Google Scholar. DOAJ, SCOPUS AND GOOGLE SCHOLAR Author : Jasmine Francis Abstract : Indexing agencies are of great importance today indentifying the best indexing agency is therefore commendable. To Get Relevant Journal Informations . Enquiry. The four most popular search engines PubMed/MEDLINE, ScienceDirect, Scopus and Google Scholar are investigated to assess which search engine is most effective for literature research in laser medicine. PubMed, Google Scholar, and Web of Science originate from the United States, whereas Scopus originates from Europe. For example, Bar-Ilan(2008) compared the h index for 47 highly-cited Israeli researchers across the three databases and concluded that the results from Google Scholar are considerably diVerent from Web of Science and Scopus. Online Information Review, 32, 437-452. A profile generally lists your name, chosen keywords of research interest, generated … Citation-type) Academic Graph Number of documents 376 425 487 486 % 58.8% 66.5% 76.2% 76.0% Missing documents 263 214 152 153 Unique documents 21 7 53 49 Citation count 7,180 9,566 13,244 6,474 Citation count (excluding best and worst case) 3,466 4,177 6,898 … Jacso, P.,2008 Testing the Calculation of a Realistic h-Index in Google Scholar, Scopus, and Web of Science for F. W. Lancaster. SCOPUS INDEXED JOURNALS. Unlike WoS and Scopus, Google Scholar follows an inclusive and automated approach, indexing any seemingly academic document that its crawlers can find and access on the web, including those behind paywalls through agreements with their publishers (Van Noorden 2014). A few weeks after Scopus, the search engine Google Scholar was launched. Google Scholar returned the greatest proportion of articles with citations (45%), followed by Scopus (42%), and Web of Science (38%). WOS performed the best with total coverage of the journal sample population and also retrieved the most unique items. Conclusion Web of Science, Scopus, and Google Scholar produced quantitatively and qualitatively different citation counts for articles published in 3 general medical journals. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions. In the first stage of this study, we mainly made use of the Scopus database. Google Scholar, unlike WOS and Scopus, is freely accessibly. This paper compares the h-indices of a list of highly-cited Israeli researchers based on citations counts retrieved from the Web of Science, Scopus and Google Scholar respectively. Coverage of journals published outside the U.S. – Google Scholar and Scopus do a lot more of this than Web of Science. Results: Google Scholar and Scopus retrieved more citations per article with a median of 160 (interquartile range [IQR], 83 to 324) and 149 (IQR, 78 to 289), respectively, than Web of Science (median, 122; IQR, 66 to 241) (P < .001 for both comparisons). Google Scholar found nearly all citations found by WoS (95%) and Scopus (92%), and a large amount of unique citations. Google Scholar. Google Scholar and Scopus are recent rivals to Web of Science. Actually there is a large overlap between Scopus and ISI. For citation analysis, Scopus offers about 20% more coverage than Web of Science, whereas Google Scholar offers results of inconsistent accuracy. and weaknesses. Scopus, Web of Science, and Google Scholar were included because they each have wide coverage in biomedical sciences and pharmacy in particular [13][14][15][16]. 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. Indexed In :SCOPUS… In this paper we examined these three citation databases through the citations of the book “Introduction to informetrics” by Leo Egghe and Ronald Rousseau. Creating your Google Scholar Citation profile will make sure that Google Scholar will easily and accurately group all the citations of your publications into one pool. This was because it includes a larger number of journals and documents than WoS while also offering “Affiliation Search”. Interdisciplinary field coverage – Scopus and Google Scholar cover more journals in fields that span multiple disciplines. Best Journals with Impact Factors Scopus,UGC,Google Scholar,Web of Science. Citation counts are used to measure the impact of articles, journals, and researchers and are frequently incorporated in decisions of academic advancement. FASEB J. There are no strong outliers for Google Scholar or Scopus either. Almost a half (49%) of articles had no citations and 11% had an equal number of identical citations in all 3 databases. Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. Jacso, P. T., 2008.The pros and cons of computing the h-index using Google scholar. Type of Publication Needed. Creating and updating your own profile. There are various indexing agencies which provide standardized services. environ 25 000 journaux scientifiques (y compris 1 200 titres en open access), et intègre chaque année près de 3 millions de nouvelles références : articles scientifiques, publications industrielles, collections d'ouvrages, actes de conférence Scopus and Google Scholar were also chosen because they represent major competitors to Web of Science in the field of citation analysis and bibliometrics. A brief description and comparison of the popular research databases. Scopus, Web of Science (WoS) and Google Scholar are three valuable tools for researchers, which are often used when conducting literature research, evaluation of research/researchers and citation analyses. Scopus database. Email. Results: Google Scholar returned the greatest proportion of articles with citations (45%), followed by Scopus (42%), and Web of Science (38%). Name. Google Scholar found nearly all citations found by WoS (95%) and Scopus (92%), and a large amount of unique citations. journals were processed by the Institute for Scientific In formation for 1945-1974 than for 1975-2005. The launch of Google Scholar (GS) in November of 2004 brought the simplicity of Google searches to the academic environment, and revolutionized the way researchers and the public searched, found, and accessed academic information. SCOPUS INDEXED JOURNALS ESCI-WEB OF SCIENCE JOURNALS GOOGLE SCHOLAR JOURNALS. Indexing agencies are of great importance today identifying the best indexing agency is therefore commendable. The total citation counts indicated that ISI Web of Science (WOS) retrieved the most citation results, followed by Google Scholar (GS) and then Scopus. Google scholar is larger and larger than ISI and Scopus… Table 8 Comparison of MAG to other databases using author query Web of Science Scopus Google Scholar Microsoft (excl. However, for citations Google Scholar seems to experience its most substantial growth in the 1st quarter and its most modest growth in the 3rd quarter, whereas for Scopus the 4th quarter shows the largest growth. Consequently, Google Scholar has much more content, but it is less structured and it is more likely to include errors in the metadata as well as including documents like presentations, posters, grey literature, websites and others. Currently, there are no general, comprehensive databases or services that represent a major challenge to Web of Science as the citation analysis tool than Scopus and Google Scholar. Scopus As They May Have Thought identifies 267 papers citing the Bush article. Non-English language publications – Google Scholar will find more of these. Area Of Research. This paper tries to understand the concept of indexing agency in detail and also to differentiate between the three most reliable agencies : DOAJ, SCOPUS AND GOOGLE SCHOLAR . There are various indexing agencies which provide standardized services. Phone Number . However, there are a few aspects which some people may not be aware of. Google Scholar is an essential research tool which is used by most people. ISSN : 1309-6591. Scopus and Google Scholar JUDIT BAR-ILAN Department of Information Science, Bar-Ilan University, Ramat Gan (Israel) This paper compares the h-indices of a list of highly-cited Israeli researchers based on citations counts retrieved from the Web of Science, Scopus and Google Scholar respectively. Their search features are described and the results of a performance test are compared according to the criteria (1) recall, (2) precision, and (3) importance.
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