Advances in computers
Artificial Intelligence - Special issue: Qualitative reasoning about physical systems II
Qualitative spatial reasoning: the CLOCK project
Artificial Intelligence - Special issue: Qualitative reasoning about physical systems II
Extracting and representing qualitative behaviors of complex systems in phase space
Artificial Intelligence
Towards a Theory of Commonsense Visual Reasoning
Proceedings of the Tenth Conference on Foundations of Software Technology and Theoretical Computer Science
Spatial aggregation: theory and applications
Journal of Artificial Intelligence Research
Qualitative analysis of distributed physical systems with applications to control synthesis
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
Influence-based model decomposition for reasoning about spatially distributed physical systems
Artificial Intelligence
On aggregation issues in spatial data management
ADC '02 Proceedings of the 13th Australasian database conference - Volume 5
Sampling Strategies for Mining in Data-Scarce Domains
Computing in Science and Engineering
Automated detection of qualitative spatio-temporal features in electrocardiac activation maps
Artificial Intelligence in Medicine
Structure Discovery from Massive Spatial Data Sets Using Intelligent Simulation Tools
Computational Discovery of Scientific Knowledge
Spatial aggregation for qualitative assessment of scientific computations
AAAI'04 Proceedings of the 19th national conference on Artifical intelligence
Gaussian process models of spatial aggregation algorithms
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 1
A multidimensional model representing continuous fields in spatial data warehouses
Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Electrocardiographic imaging: towards automated interpretation of activation maps
AIME'05 Proceedings of the 10th conference on Artificial Intelligence in Medicine
A goal-oriented programming framework for grid sensor networks with reconfigurable embedded nodes
ACM Transactions on Embedded Computing Systems (TECS)
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Spatial aggregation is a framework for organizing computations around image-like, analogue representations of physical processes in data interpretation and control tasks. It conceptualizes common computational structures in a class of implemented problem solvers for difficult scientific and engineering problems. It comprises a mechanism, a language, and a programming style. The spatial aggregation mechanism transforms a numerical input field to successively higher-level descriptions by applying a small, identical set of operators to each layer given a metric, neighborhood relation and equivalence relation. This paper describes the spatial aggregation language and its applications. The spatial aggregation language provides two abstract data types - neighborhood graph and field -- and a set of interface operators for constructing the transformations of the field, together with a library of component implementations from which a user can mix-and-match and specialize for a particular application. The language allows users to isolate and express important computational ideas in different problem domains while hiding low-level details. We illustrate the use of the language with examples ranging from trajectory grouping in dynamics interpretation to region growing in image analysis. Programs for these different task domains can be written in a modular, concise fashion in the spatial aggregation language.