Ronald Fagin, Phokion G. Kolaitis, et al.
ACM TODS
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.
ACM TODS
Ronald Fagin, Benny Kimelfeld, et al.
ACM TODS
Marco A. Casanova, Ronald Fagin, et al.
SIGMOD/PODS 1982
C.J. Date, Ronald Fagin
SIGMOD Record