关系代数 (数据库) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "关系代数 (数据库)" in Chinese language version.

refsWebsite

Global rank Chinese rank

1,185^th place

809^th place

acm.org

portal.acm.org

Aho, Alfred V.; Jeffrey D. Ullman. Universality of data retrieval languages. Proceedings of the 6th ACM SIGACT-SIGPLAN symposium on Principles of programming languages. 1979: 110–119.