• Founded in 1947, ACM (Association for Computing Machinery) is the world's oldest and largest computer education and research institution.

  • The American Physical Society (APS), founded in 1899, aims to "advance and disseminate knowledge of physics." It boasts over 55,000 members globally.

     

  • The bookan Journal Database mainly includes more than 40 categories and over 4,000 mainstream and best-selling humanities journals covering Party and government affairs, current affairs, military a

  • The CAS Journal Ranking, developed by the National Science Library, Chinese Academy of Sciences (CAS), categorizes all journals indexed in Clarivate's annual Journal Citation Reports (JCR) into two

  • Cell Press is a leading academic publisher in the field of life sciences, affiliated with Elsevier Group.

  • CNKI is online publishing platform for achievements of CNKI project. It is Chinese knowledge information gateway website with complete resource types and comprehensive content.

  • The China Dissertations Database, established in 1980, has an annual increase of over 420000 articles, covering various disciplines such as basic science, science, industrial technology, humanities

  • China Doctoral Dissertation Full-text Database ( CDFD ) is a comprehensive, high-quality, data-standardized, fast-published, practic

  • 中文在线(www.ChineseAll.com)2000年成立于清华大学,是中国网络出版的开创者之一,为国内最领先的正版数字内容传播机构。

     

  • CNKI AI is a new exploration of China Knowledge Network to fully embrace AI and empower knowledge services.