A proposal for a formal model of objects
Object-oriented concepts, databases, and applications
Object-oriented modeling and design
Object-oriented modeling and design
Object-oriented analysis (2nd ed.)
Object-oriented analysis (2nd ed.)
Design patterns: elements of reusable object-oriented software
Design patterns: elements of reusable object-oriented software
Implementing integrity control in active data bases
Journal of Systems and Software - Special issue on information and knowledge management
Software engineering with reusable components
Software engineering with reusable components
Object-Oriented Software Construction
Object-Oriented Software Construction
An Introduction to Database Systems
An Introduction to Database Systems
A Taxonomy of Spatial Data Integrity Constraints
Geoinformatica
Qualitative representation of spatial knowledge in two-dimensional space
The VLDB Journal — The International Journal on Very Large Data Bases - Spatial Database Systems
Object-Oriented Query Languages: The Notion and the Issues
IEEE Transactions on Knowledge and Data Engineering
Spatial SQL: A Query and Presentation Language
IEEE Transactions on Knowledge and Data Engineering
Spatio-temporal Modeling of Complex Geographical Structures
CSEIA '93 Proceedings of the IFIP TC5/WG5.11 Working Conference on Computer Support for Environmental Impact Assessment
A Small Set of Formal Topological Relationships Suitable for End-User Interaction
SSD '93 Proceedings of the Third International Symposium on Advances in Spatial Databases
Reasoning about Gradual Changes of Topological Relationships
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
People Manipulate Objects (but Cultivate Fields): Beyond the Raster-Vector Debate in GIS
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
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Requirement analysis plays a critical role in designing geographical information systems because it aims to capture user informational needs correctly and fully. Proposed analysis and design methodologies either adapt general-purpose approaches to this application field or extend them by introducing specific constructs to better capture the spatial properties of objects. Many of them are based on the object-oriented paradigm; unfortunately, they usually lack expressive power so that a wide gap remains between the contents of the resulting documentation and the required depth of the detailed application design. The solution we propose is based on the GeoMDT model, which combines the modeling capability of current conceptual data models with that of predicate calculus formulas under a unified paradigm in order to express object dynamics in form of invariant. The strong points of the GeoMDT model are independence of the GIS technology, easy identification of routine functions, effective guide to modular design, and a high reuse potential obtained through the nested encapsulation mechanism.