1. Maintaining knowledge about temporal intervals;Allen;Comm. ACM,1983
2. Two classes of boolean functions for dependency analysis;Armstrong,1994
3. On the detection of implicit and redundant numeric constraints in CLP programs;Bagnara,1994
4. A hierarchy of constraint systems for data-flow analysis of constraint logic-based languages;Bagnara,1996
5. Data-Flow Analysis for Constraint Logic-Based Languages;Bagnara,1997