1. Average case complexity analysis of RETE pattern match algorithm and average size of join in databases;Albert,1989
2. Quelques analyses de complexité en moyenne sur les algorithmes de multi-filtrage, d'unification et de requête multiple;Albert,1990
3. On unification over unrestricted pairs of trees;Albert,1989
4. Average case complexity analysis of the RETE pattern match algorithm;Albert,1988
5. Average case analysis of Robinson's unification algorithm with two different variables;Casas;Inform. Process. Lett.,1989