1. Classification and characterization of electronic payment systems;Abrazhevich,2001
2. Web-based E-catalog systems in B2B procurement;Baron;Commun ACM,2000
3. InfoSleuth: agent-based semantic integration of information in open and dynamic environments;Bayardo,1997
4. A brokerage framework for internet commerce;Bichler;Distributed Parallel Databases,1999
5. KQML as an Agent communication language;Finin,1994