Open Access Resources

Open Access Databasesmore>
Name of Resource Type of Resource Introduction
1 arXiv Preprint Established in 1991, arXiv is an e-print service operated and managed by Cornell University in the fields of physics, mathematics, nonlinear science, computer science and quantum biology. It is the leading open access resource of specific subject areas. More than 1.27 million preprint documents have been included in arXiv by June 2017. Review procedure is not required for electronic preprint documents in arXiv, but the papers can be peer-reviewed, which helps mutual communication with the authors. The authors can submit paper to arXiv while submitting the same paper to academic journals for publication. Once the paper is published in journals, corresponding information of volume and issue in journal for this paper will be added in arXiv.
2 Bielefeld Academic Search Engine BASE is one of the world's most voluminous search engines especially for academic web resources. BASE provides more than 120 million documents from more than 6,000 sources. You can access the full texts of about 60% of the indexed documents for free (Open Access). BASE is operated by Bielefeld University Library.
3 DOAJ(Directory of Open Access Journals) Comprehensive DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. DOAJ is independent. All funding is via donations, 50% of which comes from sponsors and 50% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. 
4 Distill Distill is a platform to make machine learning research clear, dynamic and vivid by presenting new notations, visualizations, and mental models.

Online Open Coursesmore>
Name Introduction
1 Open Yale Course Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to educational materials for all who wish to learn. All lectures were recorded in the Yale College classroom and are available in video, audio, and text transcript formats.
2 The Open University The Open University is the leading expert in flexible higher education in the UK, providing 180 qualifications and 600 modules to choose from. The OU has a network of more than 5,000 tutors . Tutors mark assignments, provide detailed written feedback, and offer support to students by telephone, email, or computer conferencing. They also run group or online tutorials and day schools. Some are full-time members of staff, but most are associate lecturers: experts in their subject who combine their work as tutors with other academic or industry jobs.
3 MIT OpenCourseWare MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.
4 China Education Online It is the largest comprehensive education portal in China, which mainly provides authoritative information of exam enrollment, student recruitment, personnel recruitment, employment, reviewing and tutoring for college entrance examination, postgraduate entrance examination, college examination for the self-taught, higher education for self-taught, national exam for teacher recruitment, employment and studying abroad.
5 Sina Open Course Online open courses taught by famous professors from Harvard, Yale, Standford, Massachusetts and other famous universities around the world in the areas of social sciences, history, economics, philosophy, science and engineering, etc.

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