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.
Wolfram Kahl. Relational semigroupoids: Abstract relation-algebraic interfaces for finite relations between infinite types. Journal of Logic and Algebraic Programming, 76(1):60-89, 2008. [doi]
Abstract is missing.