Eckhard Falkenberg is Professor Emeritus of Information Systems and lives in GermanyKalle Lyytinen is Professor of Information Systems at the University of Jyväskylä, FinlandAlex Verrijn-Stuart is Professor Emeritus of Computer Science at Leiden University, The Netherlands

• Information Systems as a Social Science: An Alternative to the FRISCO Formalism.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Conceptions are Social Constructs — towards a Solid Foundation of the FRISCO Approach.- Comments on “Conceptions are Social Constructs” by H. v. Braun, W. Hesse, U. Andelfinger, H.-B. Kittlaus, and G. Scheschonk.- An Organisational Theory of Information.- Comments on “An Organisational Theory of Information” by A.W. Holt and F. Cardone.- A Semiotic Approach to the Design of Agent-mediated E-commerce Systems.- Comments on “A Semiotic Approach to the Design of Agent-mediated E-commerce Systems” by S. Chong and K. Liu.- The Quality of Business Process Modelling Methods: Illustration of a Framework for Understanding Modelling Quality.- Comments on “The Quality of Business Process Modelling Methods” by B.-J. Hommes and V. van Reijswoud.- Modelling Concurrent Process Coordination in Workflow Specifications.- Comments on “Modelling Concurrent Process Coordination in Workflow Specifications” by A.P. Barros and A.H.M. ter Hofstede.- An Autopoietic View of the Concept ‘Information System’.- Comments on “An Autopoietic View of the Concept ‘Information System’” by E.-S. Abou-Zeid.- Failure, Identity Loss and Living Information Systems.- Comments on “Failure, Identity Loss and Living Information Systems” by P. Kanellis, M. Lycett and R.J. Paul.- An Ontological Evaluation of the OML Metamodel.- Comments on “An Ontological Evaluation of the OML Metamodel” by A.L. Opdahl, B. Henderson-Sellers and F. Barbier.- Overviews of Models Defined with Charts of Concepts.- Comments on “Overviews of Models Defined withCharts of Concepts” by X. Castellani.- Information System? Which One Do you Mean?.- Comments on “Information System? Which One Do you Mean?” by J.A. Carvalho.- The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making.- Comments on “The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making” by J. Kaasbøll.- Keynote Address: Formal and Informal Aspects of Intelligent Agent-based Systems.- Conceptual Foundations of Information Systems: Report on Workshop 1.- Innovation and Standardization in the Information Systems Field: Report on Workshop 2.- Information System Concepts in Practice: Report on Workshop 3.- Index of Contributors.- Keyword Index.

Eckhard Falkenberg is Professor Emeritus of Information Systems and lives in GermanyKalle Lyytinen is Professor of Information Systems at the University of Jyväskylä, FinlandAlex Verrijn-Stuart is Professor Emeritus of Computer Science at Leiden University, The Netherlands

• Information Systems as a Social Science: An Alternative to the FRISCO Formalism.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Conceptions are Social Constructs — towards a Solid Foundation of the FRISCO Approach.- Comments on “Conceptions are Social Constructs” by H. v. Braun, W. Hesse, U. Andelfinger, H.-B. Kittlaus, and G. Scheschonk.- An Organisational Theory of Information.- Comments on “An Organisational Theory of Information” by A.W. Holt and F. Cardone.- A Semiotic Approach to the Design of Agent-mediated E-commerce Systems.- Comments on “A Semiotic Approach to the Design of Agent-mediated E-commerce Systems” by S. Chong and K. Liu.- The Quality of Business Process Modelling Methods: Illustration of a Framework for Understanding Modelling Quality.- Comments on “The Quality of Business Process Modelling Methods” by B.-J. Hommes and V. van Reijswoud.- Modelling Concurrent Process Coordination in Workflow Specifications.- Comments on “Modelling Concurrent Process Coordination in Workflow Specifications” by A.P. Barros and A.H.M. ter Hofstede.- An Autopoietic View of the Concept ‘Information System’.- Comments on “An Autopoietic View of the Concept ‘Information System’” by E.-S. Abou-Zeid.- Failure, Identity Loss and Living Information Systems.- Comments on “Failure, Identity Loss and Living Information Systems” by P. Kanellis, M. Lycett and R.J. Paul.- An Ontological Evaluation of the OML Metamodel.- Comments on “An Ontological Evaluation of the OML Metamodel” by A.L. Opdahl, B. Henderson-Sellers and F. Barbier.- Overviews of Models Defined with Charts of Concepts.- Comments on “Overviews of Models Defined withCharts of Concepts” by X. Castellani.- Information System? Which One Do you Mean?.- Comments on “Information System? Which One Do you Mean?” by J.A. Carvalho.- The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making.- Comments on “The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making” by J. Kaasbøll.- Keynote Address: Formal and Informal Aspects of Intelligent Agent-based Systems.- Conceptual Foundations of Information Systems: Report on Workshop 1.- Innovation and Standardization in the Information Systems Field: Report on Workshop 2.- Information System Concepts in Practice: Report on Workshop 3.- Index of Contributors.- Keyword Index.

Eckhard Falkenberg is Professor Emeritus of Information Systems and lives in GermanyKalle Lyytinen is Professor of Information Systems at the University of Jyväskylä, FinlandAlex Verrijn-Stuart is Professor Emeritus of Computer Science at Leiden University, The Netherlands

• Information Systems as a Social Science: An Alternative to the FRISCO Formalism.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Comments on “Information Systems as a Social Science” by R.K. Stamper.- Conceptions are Social Constructs — towards a Solid Foundation of the FRISCO Approach.- Comments on “Conceptions are Social Constructs” by H. v. Braun, W. Hesse, U. Andelfinger, H.-B. Kittlaus, and G. Scheschonk.- An Organisational Theory of Information.- Comments on “An Organisational Theory of Information” by A.W. Holt and F. Cardone.- A Semiotic Approach to the Design of Agent-mediated E-commerce Systems.- Comments on “A Semiotic Approach to the Design of Agent-mediated E-commerce Systems” by S. Chong and K. Liu.- The Quality of Business Process Modelling Methods: Illustration of a Framework for Understanding Modelling Quality.- Comments on “The Quality of Business Process Modelling Methods” by B.-J. Hommes and V. van Reijswoud.- Modelling Concurrent Process Coordination in Workflow Specifications.- Comments on “Modelling Concurrent Process Coordination in Workflow Specifications” by A.P. Barros and A.H.M. ter Hofstede.- An Autopoietic View of the Concept ‘Information System’.- Comments on “An Autopoietic View of the Concept ‘Information System’” by E.-S. Abou-Zeid.- Failure, Identity Loss and Living Information Systems.- Comments on “Failure, Identity Loss and Living Information Systems” by P. Kanellis, M. Lycett and R.J. Paul.- An Ontological Evaluation of the OML Metamodel.- Comments on “An Ontological Evaluation of the OML Metamodel” by A.L. Opdahl, B. Henderson-Sellers and F. Barbier.- Overviews of Models Defined with Charts of Concepts.- Comments on “Overviews of Models Defined withCharts of Concepts” by X. Castellani.- Information System? Which One Do you Mean?.- Comments on “Information System? Which One Do you Mean?” by J.A. Carvalho.- The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making.- Comments on “The ‘Information’ Concept in FRISCO Compared to Empirical Studies of Information in Decision Making” by J. Kaasbøll.- Keynote Address: Formal and Informal Aspects of Intelligent Agent-based Systems.- Conceptual Foundations of Information Systems: Report on Workshop 1.- Innovation and Standardization in the Information Systems Field: Report on Workshop 2.- Information System Concepts in Practice: Report on Workshop 3.- Index of Contributors.- Keyword Index.