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
Ronald Fagin, Phokion G. Kolaitis, et al.
SIGMOD/PODS/ 2009
Ronald Fagin
STOC 1980
Ronald Fagin, Jonathan Lenchner, et al.
MFCS 2022