Top list of academic search engine

The top list of academic search enginesGoogle ScholarCoverage: approx. 200 million articlesAbstracts: only a snippet of the abstract is availableRelated articles: ✔References: ✔Cited by: ✔Links to full text: ✔Export formats: APA%2c MLA%2c Chicago%2c Harvard%2c Vancouver%2c RIS%2c BibTeXMicrosoft AcademicCoverage: approx. 210 million articlesAbstracts: ✔Related articles: ✔References: ✔Cited by: ✔Links to full text: ✔Export formats: APA%2c MLA%2c BibTeXBASECoverage: approx. 136 million articles (contains duplicates)Abstracts: ✔Related articles: ✘References: ✘Cited by: ✘Links to full text: ✔Export formats: RIS%2c BibTeXCORECoverage: approx. 136 million articlesAbstracts: ✔Related articles: ✔References: ✘Cited by: ✘Links to full text: ✔ (all articles in CORE are open access)Export formats: BibTeXScience.govCoverage: approx. 200 million articles and reportsAbstracts: ✔Related articles: ✘References: ✘Cited by: ✘Links to full text: ✔ (available for some databases)Export formats: APA%2c MLA%2c RIS%2c BibTeX (available for some databases)Semantic ScholarCoverage: approx. 40 million articlesAbstracts: ✔Related articles: ✔References: ✔Cited by: ✔Links to full text: ✔Export formats: APA%2c MLA%2c Chicago%2c BibTeXBaidu ScholarCoverage: no detailed statistics available%2c approx. 100 million articlesAbstracts: only snippets of the abstract are availableRelated articles: ✔References: ✔Cited by: ✘Links to full text: ✔Export formats: APA%2c MLA%2c RIS%2c BibTeXGoogle Scholar is an academic search engine, and it is the clear number one when it comes to academic search engines. It's the power of Google searches applied to research papers and patents. It not only let's you find research papers for all academic disciplines for free, but also often provides links to full text PDF file.It's Microsoft answer to Google Scholar. Microsoft Academic takes a different approach and generates for each paper that is indexed an overview page that allows to easily explore top citing articles and references of the article.BASE, as its name suggest is an academic search engine. It is hosted at Bielefeld University in Germany and that's where it name stems from (Bielefeld Academic Search Engine).CORE is an academic search engine dedicated to open access research papers. For each search result a link to the full text PDF or full text web page is provided.Science.gov is a fantastic resource as it bundles and offers free access to search results from more than 15 U.S. federal agencies. There is no need any more to query all those resources separately!Semantic Scholar is the new kid on the block. It's mission is to provide more relevant and impactful search results using AI powered algorithms that find hidden connections and links between research topics.Although Baidu Scholar's interface is in Chinese it's index contains research papers in English as well as Chinese.https://xueshu.baidu.com/https://www.semanticscholar.org/http://science.gov/https://core.ac.uk/https://www.base-search.net/https://academic.microsoft.com/https://scholar.google.com/
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