"Internetauktioner" . . "Betalingskort" . . "WELCOM 2001 (2001 : Heidelberg, Allemagne)" . . . "Computers and Society." . . "Information Systems." . . "marché électronique." . . "Commerce électronique Congrès." . . "Comercio electrónico Medidas de seguridad Congresos." . . "Comercio electrónico Congresos En línea." . . "Artificial Intelligence (incl. Robotics)" . . "Edb-sikkerhed" . . "Comerç electrònic Congressos." . . "Elektronisk handel" . . "commerce électronique." . . "Commerce électronique." . "Computer Communication Networks." . . "Information Storage and Retrieval." . . "WELCOM 2001 (2001 : Heidelberg, Germany)" . . . "Business Information Systems." . . "enchère en ligne." . . "E-commerce." . . "WELCOM 2001 (2º. 2001. Heidelberg, Alemania)" . . . "Heidelberg <2001>" . . "WELCOM (2 : 2001 : Heidelberg)" . . . "Elektronisk betaling" . . "Comercio electrónico Congresos." . . "Markeder" . . "Management of Computing and Information Systems." . . "Electronic commerce : second international workshop, WELCOM 2001, Heidelberg, Germany, November 16 - 17, 2001 : proceedings" . . . . . . "Workshop on Electronic Commerce" . . . . . . . . . . . . . . "Electronic commerce second international workshop, WELCOM 2001, Heidelberg, Germany, November 16 - 17, 2001 ; proceedings" . . . . . . . . . "Electronic commerce : second international workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001 proceedings" . . . . . . . . "Conference papers and proceedings" . "Conference papers and proceedings"@en . . . "Kongreß" . . . "Congressos" . "Conference proceedings"@en . "Electronic commerce : Second International Workshop, WELCOM 2001 Heidelberg, Germany, November 16-17, 2001 proceedings" . . . "Congressen (vorm)" . . . . "Electronic Commerce Second International Workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001: Proceedings" . . . . "Electronic Commerce Second International Workshop, WELCOM 2001 Heidelberg, Germany, November 16-17, 2001 Proceedings" . "Electronic commerce Second International Workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001 : proceedings" . . "Electronic commerce Second International Workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001 : proceedings"@en . . . "Llibres electrònics" . "Second Workshop on Electronic Commerce" . "Electronic commerce : Second International Workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001 : proceedings" . . . . . . . . . . . . . . "Electronic books"@en . . "This book constitutes the refereed proceedings of the Second International Workshop on Electronic Commerce, WELCOM 2001, held in Heidelberg, Germany in November 2001. The 17 revised full papers presented together with two invited contributions were carefully reviewed and selected from 34 submissions. The papers are organized in topical sections on trade and markets, security and trust, auctions, profiling, and business interaction."@en . . "Electronic commerce : Second International Workshop, WELCOM 2001 : Heidelberg, Germany, November 16-17, 2001 : proceedings" . "Electronic Commerce Second International Workshop, WELCOM 2001 Heidelberg, Germany, November 1617, 2001 Proceedings"@en . . . . . "WELCOM 2001" . "Electronic commerce second International workshop, WELCOM 2001, Heidelberg, Germany, November 16-17, 2001 : proceedings" . . . . "Kongress" . . . "Smart cards" . . "Comercio electrónico Medidas de seguridad Congresos En línea." . . "agent mobile." . . "Virksomhedens sikkerhed" . . "système multi-agent." . . "Data warehouse" . . "Electronic Commerce." . .