Conference paper
Data Exchange: Getting to the Core
Ronald Fagin, Phokion G. Kolaitis, et al.
SIGMOD/PODS 2003
An elementary proof is presented of an asymptotic estimate for the number (up to isomorphism) of finite relational structures, under a quite general definition of "relational structure". © 1977.
Ronald Fagin, Phokion G. Kolaitis, et al.
SIGMOD/PODS 2003
Y. Sagiv, C. Delobel, et al.
Journal of the ACM
Douglas Burdick, Ronald Fagin, et al.
ICDT 2017
Joseph Y. Halpern, Ronald Fagin
Artificial Intelligence