Zhaohai Zhang and Qiaoyan Wen: An authorization model for multi-tenancy services in cloud. (2012)conf/ccis/ZhangW1210.1109/CCIS.2012.6664408An authorization model for multi-tenancy services in cloud.2Zhaohai Zhang1Qiaoyan Wen2260-263CCISCCIS20122012provenance information for RDF data of dblp record 'conf/ccis/ZhangW12'2017-05-25T00:43:05+0200