Source of literature and citation search Google Scholar Source of literature and citation search Central Library of Semmelweis University Anna Berhidi berhidi.anna@semmelweis-univ.hu 2018/2019 – 1st semester

What is Google Scholar? Free search engine from Google You can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites* You can find out what publications have cited other publications At „Advanced Search” platform you can combine your queries, such as terms, authors, publication years There are duplicate, false, etc. citations, so need to double-check the records – the procedure is time-consuming Access to full text depends on subscription, because the links go to sites of different publishers, vendors, etc. *But be aware of predatory publishing: https://libguides.rutgers.edu/c.php?g=644942&p=4519169

https://scholar.google.com/ More information about Google Scholar

Search for keywords/topic (1) Results list "irritable bowel syndrome"

„Advanced search”

Search for keywords/topic (2) AND inflammation immunosuppressant „risk factor” Exact phrase means ”…” drug effect OR tumor tumour NOT malignant 2016

Cited by (who cited the paper) Author search

Other options with registration

SUMMARY Characteristics Web of Science Core Collection* Scopus Google Scholar Indexing Journals, proceeding publications in mostly English and with impact factor Journals, books, book chapters, coference publications in many languages Not indexing because it is a search engine, but we can find journals, dissertations, books, book chapters, etc. in different languages Document types Article, review, note, proceedings paper , meeting abstract, letter, editorial material, journal series as book chapters, etc. Article, review, short survey, book, book chapter, conference paper, letter, etc. Articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities, etc. Years covered-documents From 1975 (Conf. Proc. Cit. Ind.: from 1990, Em. Sour. Cit.: from 2015) From 1960 (depends on the indexing, you can find bibliographic information back to 1788) Not revealed / undefinable Years covered-citations From 1975 to present From 1970 to present Updates Daily (on weekdays) Daily Weekly/6-9 Monthly/Yearly * Regarding to Semmelweis University

Number of the citations: compare the results from Web of Science, Scopus és Google Scholar databases – an example Sample: Tuller T., Atar S., Ruppin E., Gurevich M., Achiron A. Common and specific signatures of gene expression and protein-protein interactions in autoimmune diseases. Genes and Immunity 2013; 14(2): 67-82. (Date of the citation search: 11.10.2017.) Groups Number of the citations Overlapping citations (WoS, Scopus, GS) 31 Overlapping citation (WoS, GS) 1 Overlapping citations (Scopus, GS) 2 Unique citation in Scopus Unique citations in GS 11* *Records from GS: 3 English journal articles (one of them cites incorrectly), 1 Chinese publication, 7 dissertations SOME NOTES: Citation numbers in WoS : 32; citation numbers in Scopus: 34; citation numbers in GS: 50 (2 duplicates, 3 non-citations), so after „cleaning”: 45. All citation numbers in the 3 databases after checking, „cleaning”: 46.

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