Cognitive Modeling:  IPK Cognitive Agent 
     ( Student Thesis, Psychology Faculty, University of Rome “La Sapienza”, ENEA) 
    Franco Pestilli
  7 December 2000
 
Index

                   Introduction
                        1 Goals………………………………………………………………...1
                        2 Philosophical and Theoretical-Methodological Aspects…..5
                        3 Agents: Concepts and Models………………………………….6
                   1  Conceptualization Platform TOGA (Top-down, Object-based, Goal-oriented,
                        Approach)…….……………………………………...31
                        1.1 TAO (Theory of Abstract Object)……………………….…..38
                        1.2 KNOCS (Knowledge Conceptualization System)………..44
                        1.3 MRUS (Methodological Rules System)……………………46
                        1.4 An example of TOGA reconceptualization: Elementary Physics
                              Problems..…..……………………………………..….47
                  2   A Theoretical Model: Personoid, IPK Abstract Intelligent Agent
                        Intelligent…………………………………………………………….…51
                  3   An Empirical Model: Frank, IPK Cognitive Agent………..………61
                        3.1 Specifications for Frank Cognitive Agent: Implementing Basics IPK Concepts (Recursion,
                              Repetition, Modularity)………………………………………………………64
                        3.2 IPK Architecture Systems (DS, PS, KS) And related
                              DataBases…………..……………………………………………70
                        3.3 Frank’s Reasoning Kernel…………………………………...73
                        3.4 Realizing the interface ……………………………………….80
                        3.5 Continuous and Discontinuous Spatial representation Test
                              case……………………………………………………….….91
                        3.6 Abstract Industrial Plan Under TOGA Methodology…..................103
                   Conclusions and future prospectives…………………………....…110
                   Bibliography………………………………………………….118
                    Appendix 1:  A confrontation between Triarchic Theory of Intelligence and the IPK
                                          model………………………………….……….......…   132
                    Appendix 2:  Program Listing………………………..……………..…164
 
 
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IPK Agent Prototype