A Superimposed Codeword Indexing Scheme for Very Large Prolog Databases.

Kotagiri Ramamohanarao John Shepherd A Superimposed Codeword Indexing Scheme for Very Large Prolog Databases. 569-576 1986 conf/iclp/1986 ICLP db/conf/iclp/iclp86.html#RamamohanaraoS86