Max Schäfer, Oege de Moor. Type inference for datalog with complex type hierarchies. In Manuel V. Hermenegildo, Jens Palsberg, editors, Proceedings of the 37th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, POPL 2010, Madrid, Spain, January 17-23, 2010. pages 145-156, ACM, 2010. [doi]
Abstract is missing.