Full text Database of Chinese Doctoral Dissertations:  Scope of collection: All doctoral dissertations in disciplines with the right to confer doctoral degrees (except those involving state secrets)  Total literature: Up to 2014, more than 229,000 doctoral theses were included.  Completeness rate: There are 405 doctoral training units that have signed the contract and submitted their contributions (except those involving state secrecy), accounting for 98% of the doctoral training units in China. The dissertation coverage rate of 211 universities has reached 100%. 

The Wharton Research Data Center (WRDS) is an industry-leading data research platform and business intelligence tool used by more than 50,000 academic, government, nonprofit, and corporate clients in 36 countries. WRDS began in 1993 to support the research work of faculty members at the Wharton School of the University of Pennsylvania and has since grown into a standard tool for the global research community. WRDS gives users access to more than 250 terabytes of data in one place, covering areas as diverse as finance, marketing and economics. WRDS includes more than 600 sublibraries from more than 60 data providers, including S&P Global Market Intelligence data (Compustat and Capital IQ), Chicago Center for Research in Security Prices (CRSP), Thomson Reuters, GTP, and others. Such databases provide raw data for third-party vendors and are grafted onto the WRDS platform. WRDS also provides 10 public databases including CBOE and Bank Regulatory. The WRDS platform provides seamless access to massive databases and provides a unified access interface for the different databases hosted to help researchers simplify the data extraction process. 

VIP Chinese periodical service platform, comes from the Chinese science and technology journal article database founded by Chongqing VIP information co., LTD., is a large comprehensive database with data quality and resource guaranteed for the core product. It sorts through the data and information, uses intelligence analysis and data mining objectification to give full display to the value of data. It has completed the upgrade from "periodical document database" to "periodical big data platform", which makes Chinese periodical platform have the value of resource guarantee & knowledge information. 

Wanfang Data China dissertations database is the most full-text dissertations database in China. In 2006, more than 680,000 full-text dissertations were collected. The dissertation database comes from the national legal dissertation collection unit Institute of Scientific and Technical Information of China, which collects the dissertations of more than 500 degree-granting institutions in China, involving the national 211 key universities, Chinese Academy of Sciences, Chinese Academy of Engineering, Chinese Academy of Agriculture, Chinese Academy of Medicine, Chinese Academy of Forestry and other institutions. The content covers science, industrial technology, humanities, social sciences, medicine and health, agricultural science, transportation, aerospace and environmental science. Dissertations collected since 2000 will be backtracked year by year and added monthly. 

Wanfang Database is a large-scale online database developed by Wanfang Data Company, covering journals, conference minutes, papers, academic achievements, and conference papers; It is also a professional academic database in China on par with CNKI. Its development company, Wanfang Data Co., Ltd., is the first joint-stock high-tech enterprise in China to focus on information services. It is a comprehensive information service provider in the internet field that integrates information resource products, information value-added services, and information processing solutions.

The current issues of some important journals have not been included in any database yet, so the library orders them separately and are listed here. For example, the top mathematics journal Annals of mathematics (Annual journal of Mathematics), where Zhang Yitang's paper bounded distance between primes were published. Some of the paper periodicals ordered by the library are also listed here with access to their electronic periodicals. 

Duxiu Academic search is a knowledge search and literature delivery system, providing users with in-depth literature search including metadata search, bibliographic search and full-text search, and providing partial literature delivery service within the scope of copyright for the search results.  The retrieval system of Duxiu is a three-dimensional and in-depth retrieval system, which provides three retrieval channels of bibliography, chapter and full text, and realizes the vertical search of catalog and full text, so that readers can obtain in-depth, accurate and comprehensive information of literature resources in the shortest time. Duxiu book retrieval system can not only display the detailed information of the book, but also provide the original text of the book display, so that readers can clearly judge whether they need the book, and improve the information accuracy rate and the efficiency of readers’ book search and borrowing.