A framework for the optimizing of WWW advertising / C. Aggarwal, J. Wolf, P. Yu -- Symmetric adaptive customer modeling for electronic commerce in a distributed environment / M. Barra [and others] -- Maximizing seller's profit for electronic commerce / B. Belegradek, K. Kalpakis, Y. Yesha -- Approaches of digital signature legislation / T.F. Rebel, O. Darg, W. Koenig -- A Java-based distributed platform for multilateral security / A. Pfitzmann [and others] -- BARTER : a backbone architecture for trade of electronic content / G. Shamir, M. Ben-Or, D. Dolev -- An agent-based secure internet payment system for mobile computing / A. Romão, M. Mira da Silva -- A payment scheme for mixes providing anonymity / E. Franz, A. Jerichow, G. Wicke -- Satisfying requirements for electronic commerce / J. Cunningham [and others] -- Distributed models for brokerage on electronic commerce / I. Gallego, J. Delgado, J.J. Acebrón -- Distributed print on demand systems in the Xpect framework / J.-M. Andreoli, F. Pacull -- OFFER : a broker-centered object framework for electronic requisitioning / M. Bichler, C. Beam, A. Segev -- Workflow modeling for internet-based commerce : an approach based on high-level petri nets / W. Weitz -- Market-based workflow management / A. Geppert, M. Kradolfer, D. Tombros -- Distributed, interoperable workflow support for electronic commerce / M. Papazoglou [and others] -- Security requirements for mobile agents in electronic markets / M. Zapf, H. Müller, K. Geihs -- A secure intelligent trade agent system / X. Yi, F. Wang, K.Y. Lam -- Migrating objects in electronic commerce applications / M. Boger -- Providing reliable agents for electronic commerce / M. Strasser, K. Rothermel, C. Maihöfer.