ion Framework for Compositional Modeling 36 Diane Chi and Yumi Iwasaki Model Decomposition and Simulation 45 Daniel J. Clancy and Benjamin Kuipers A Distance Measure for Attention Focusing and Anomaly Detection in 55 Systems Monitoring Richard J. Doyle Prediction Sharing Across Time and Contexts 63 Oskar Dressler and Hartmut Freitag Topology-based Spatial Reasoning 69 Boi Faltings A Semi-Quantitative Physics Compiler 81 Adam Farquhar and Giorgio Brajnik Physical Model Generation in Thermal Engineering Problems described 90 by Partial Differeiltial Equations Donal P. Finn and Padraig Cunningham Polynomial-time Compilation of Self-Explanatory Simulators 98 Kenneth D. Forbus and Brian Falkenhainer Using Qualitative Physics to Build Articulate Software for Thermody- 106 namics Education Kenneth D. Forbus and Peter B. Whalley Integrating Qualitative Simulation for Numerical Data Fusion Methods 114 Yang Gao and Hugh F. Durrant-Whyte Compositional Modeling for Complex Spatial Reasoning Tasks ...