CNKI 中國知網 (CNKI) (also known as CNKI知識網絡服務平臺) is a mega-channel covering the following subscribed resources in PolyU Library:
1/ China Academic Journals (CAJ) Full-text Database (中國期刊全文數據庫)
2/ China Doctoral Dissertations Full-text Database (中國博士學位論文全文數據庫)
3/ Masters' Theses Full-text Database (中國優秀碩士學位論文全文數據庫)
4/ China Core Newspapers Full-text Database（CCND）(中國重要報紙全文數據庫)
5/ China Yearbooks Full-text Database（CYFD） (中國年鑒網絡出版總庫).
CADAL is a digital platform of mostly Chinese materials, which are available free for users to browse. Content includes ancient China books, Minguo books and journals, Modern books, dissertation, newspaper, and English books.