A Conceptual Model for a Feature-Based Virtual Network
Geoinformatica
Generalizing Graphs Using Amalgamation and Selection
SSD '99 Proceedings of the 6th International Symposium on Advances in Spatial Databases
A Conceptual Model of Wayfinding Using Multiple Levels of Abstraction
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
Granularity transformations in wayfinding
Spatial cognition III
Road Networks and Their Incomplete Representation by Network Data Models
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
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In order to apply advanced high-level concepts for transportation networks, like hypergraphs, multi-level wayfinding and traffic forecasting, to commercially available street network datasets, it is often necessary to generalise from network primitives. However, the appropriate method of generalisation strongly depends on the complex street network feature they belong to. In this paper, we develop formal expressions for road segments and some essential types of roads, like roundabouts, dual carriageways and freeways. For this purpose, a formal network language is developed, which allows a clear distinction among the geometrical network, its embedding into the Euclidian plane, as well as navigational constraints for a traffic mode.