Conference paper
Reverse data exchange: Coping with nulls
Ronald Fagin, Phokion G. Kolaitis, et al.
SIGMOD/PODS/ 2009
Paper
The number of finite relational structures
Abstract
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.
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