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.
Robert R. Hoffman, Patrick J. Hayes. The Pleasure Principle. IEEE Intelligent Systems, 19(1):86-88, 2004. [doi]
Abstract is missing.