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AI-Powered Research Tool. Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

Sci-Hub website. Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others

Academic search engine for paper. Every research begins here. Find papers from over 170m papers in major STEM journals. Save time and never re-search.

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Clinical search engineFind treatment guidelines, comprehensive reviews, and medical journal articles from credible sources. msearch.io employs advanced analytics to display relevant results for the clinical setting.

The Lumen database collects and analyzes legal complaints and requests for removal of online materials, helping Internet users to know their rights and understand the law. These data enable us to study the prevalence of legal threats and let Internet users see the source of content removals.

JSTOR is a digital library of academic journals, books, and primary sources.

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Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

ERIC is an online library of education research and information, sponsored by the Institute of Education Sciences (IES) of the U.S. Department of Education.

Search for LibGuides content and librarian authors, and find great examples of guides from our worldwide user community.

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Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.

(Bielefeld Academic Search Engine) More than 340 mio. scientific documents from more than 11.000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.

Academia.edu is a place to share and follow research.

Academic Search Engine