Catriel Beeri, Ronald Fagin, et al.
Journal of the ACM
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.
Catriel Beeri, Ronald Fagin, et al.
Journal of the ACM
Moses Charikar, Ronald Fagin, et al.
STOC 2000
Ronald Fagin, Joseph Y. Halpern, et al.
Information and Computation
Ronald Fagin, Joseph Y. Halpern
Artificial Intelligence