Artificial Intelligence
A more expressive formulation of many sorted logic
Journal of Automated Reasoning
Analogical representations of naive physics
Artificial Intelligence
Readings in qualitative reasoning about physical systems
Readings in qualitative reasoning about physical systems
Modelling topological and metrical properties in physical processes
Proceedings of the first international conference on Principles of knowledge representation and reasoning
Qualitative spatial reasoning: the CLOCK project
Artificial Intelligence - Special issue: Qualitative reasoning about physical systems II
Analysing the familiar: Reasoning about space and time in the everyday world
Analysing the familiar: Reasoning about space and time in the everyday world
Naive topology: modeling the force pump
Recent advances in qualitative physics
Maintaining knowledge about temporal intervals
Communications of the ACM
Computing Transivity Tables: A Challenge For Automated Theorem Provers
CADE-11 Proceedings of the 11th International Conference on Automated Deduction: Automated Deduction
Towards duplicate detection for situation awareness based on spatio-temporal relations
OTM'10 Proceedings of the 2010 international conference on On the move to meaningful internet systems: Part II
Situation prediction nets: playing the token game for ontology-driven situation awareness
ER'10 Proceedings of the 29th international conference on Conceptual modeling
Infinite qualitative simulations by means of constraint programming
CP'06 Proceedings of the 12th international conference on Principles and Practice of Constraint Programming
KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part IV
Qualitative Spatial Representation and Reasoning: An Overview
Fundamenta Informaticae - Qualitative Spatial Reasoning
Dominance Diagrams: A Tool for Qualitative Reasoning About Continuous Systems
Fundamenta Informaticae - Qualitative Spatial Reasoning
A hybrid reasoning model for "whole and part" cardinal direction relations
Advances in Artificial Intelligence
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We describe an envisionment-based qualitative simulation program. The program implements part of an axiomatic, first order theory that has been developed to represent and reason about space and time. Topological information from the modelled domain is expressed as sets of distinct topological relations holding between sets of objects. These form the qualitative states in the underlying theory and simulation. Processes in the theory are represented as paths in the envisionment tree. The algorithm is illustrated with an example of a simulation of phagocytosis and exocytosis - two processes used by unicellular organisms for garnering food and expelling waste material respectively.