Classification of annotation semirings over query containment
Egor V. Kostylev‚ Juan L. Reutter and András Z. Salamon
Book Title
Proceedings of the 31st ACM SIGMOD−SIGACT−SIGART Symposium on Principles of Database Systems (PODS 2012)‚ Scottsdale‚ Arizona‚ USA‚ May 20−24‚ 2012
Pages
237–248
Publisher
ACM
Year
2012