Google Scholar
Google Scholar is a freely accessible web search engine that indexes the full text of scholarly literature across an array of publishing formats and disciplines.
Microsoft Academic Search is an experimental research service developed by Microsoft Research to explore how scholars, scientists, students, and practitioners find academic content, researchers, institutions, and activities.
microsoft academic search is an experimental research service developed by microsoft research to explore how scholars, scientists, students, and practitioners find academic content, researchers, institutions, and activities. microsoft academic search indexes not only millions of academic publications, it also displays the key relationships between and among subjects, content, and authors, highlighting the critical links that help define scientific research.as is true of many research projects at microsoft, this service is not intended to be a production web site.
Productivity Education and Reference
educational academic citation papers school sciences journals references authors reseach
Google Scholar is a freely accessible web search engine that indexes the full text of scholarly literature across an array of publishing formats and disciplines.
Free Web
A repository of article references and research paper topics for students and research scholars.
Free Web
ACI is revolutionizing the way people conduct research by enabling them to find the content they’ve been missing.
Freemium Android iPhone Android Tablet iPad Web
Application for searching for and reading academic papers.
Commercial
Semantic Scholar (paywall free) is a science publication aggregator that collects citation-data from PubMed, CiteSeer, IEEE etc and rank each article according to the...
Free Web