Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Zheng-Yang Liu, Arthur M. Farley. Shifting Ontological Perspectives in Reasoning About Physical Systems. In AAAI. pages 395-400, 1990.
Abstract is missing.