Patrick Brézillon works in artificial intelligence. His research includes a four-level scientific approach leading to contextual-graph formalism, a real-time definition of context. His objective is the design of context-based intelligent assistant systems.

• Preface ixAcronyms xiiiIntroduction xvChapter 1 Theoretical and Pragmatic Basis of Our Context Modeling 11.1 Introduction 11.2 Theoretical basis 21.2.1 Model and representation 21.2.2 Concepts used 111.2.3 The proposed scientific approach 221.3 Projects and applications 281.3.1 Introduction 281.3.2 The SEPT project (1986–1995) 291.3.3 The SART project (1996–2002) 311.3.4 The FlexMIm project (2012–2015) 341.3.5 The TACTIC project (2013–2015) 351.3.6 The ACA project (2005–2009) 381.3.7 “Contextualizing scientific workflows” project (2009–2011) 401.3.8 The MICO project (2011–2014) 431.3.9 The winemaking project (1997–1999) 441.3.10 The OSSMOSE project (2009–2011) 461.3.11 “Computer-mediated collaborative work” project (1997–1999) 481.4 Review of the chapter 50Chapter 2 Context Modeling for Actor Activity (CxG_1.0) 532.1 Introduction 532.2 Conceptual level 552.2.1 Contextual knowledge and external knowledge 552.2.2 Conceptual elements used in the research 572.3 Operational level 632.3.1 Operational knowledge and context 632.3.2 Contextual elements 682.3.3 Mental models and mental representations 692.4 Implementation level 712.4.1 The CxG_1.0 formalism 712.4.2 Modeling tools 722.4.3 Exploitation tools 792.4.4 Review on the CxG_1.0 formalism 882.5 Environment level 892.6 Variants of the context modeling 912.6.1 Introduction 912.6.2 The COM 922.6.3 Parallel with BPEL for workflows 952.6.4 Comparison with two other context-based formalisms 982.7 Review of the chapter 103Chapter 3 Context Modeling for Group Activity (CxG_2.0) 1093.1 Introduction 1093.2 Conceptual level 1103.2.1 Introduction 1103.2.2 Concept of activity for a group 1113.2.3 The shared context 1133.2.4 The turn 1173.2.5 CxG-based simulation 1183.3 Operational level 1213.3.1 Introduction 1213.3.2 The notions of group activity and interaction 1213.3.3 The CxG_2.0 formalism 1233.4 Implementation level 1243.4.1 Introduction 1243.4.2 From actor activity to group activity 1243.4.3 Reserved contextual elements 1253.4.4 Mechanisms of the CxG-based simulation 1283.5 Environment level 1363.6 Two examples 1373.6.1 “Submission management” example 1373.6.2 The TACTIC project 1463.7 Review of the chapter 152Chapter 4 The Two Versions of the CxG Formalism 1574.1 Introduction 1574.2 The key points of the research 1584.2.1 Discussion on key concepts of the approach 1584.2.2 Definition of the context of an activity 1664.2.3 Contextual reasoning 1674.2.4 Global and local contexts 1754.3 The “Internship-offer analysis” example 1864.3.1 The actors 1864.3.2 Conditions of the experiment 1874.3.3 Development of the experiment 1884.3.4 Interpretation of the results 1924.3.5 Comparison with the “DVD-reader diagnosis” task 1994.4 CxG formalism for CIAS Design 2044.5 Review of the chapter 214Chapter 5 Use of the CxG Formalism in Different Modeling 2215.1 Introduction 2215.2 Breast cancer diagnosis 2235.3 Hierarchical task analysis (HTA) 2295.4 The ACA project 2375.4.1 Introduction 2375.4.2 The ACA method 2375.4.3 Application in road safety 2405.5 Workflow modeling in an ACP Department 2495.5.1 The initial work 2495.5.2 Contextual modeling of the workflow 2525.5.3 Discussion on context-based modeling of workflow 2575.6 Context modeling and semiotics 2585.7 Review of the chapter 266Conclusion 271References 285Index 297