Explicit Graphs in a Functional Model for Spatial Databases
IEEE Transactions on Knowledge and Data Engineering
GraphDB: Modeling and Querying Graphs in Databases
VLDB '94 Proceedings of the 20th International Conference on Very Large Data Bases
Modeling and querying moving objects in networks
The VLDB Journal — The International Journal on Very Large Data Bases
Road Networks and Their Incomplete Representation by Network Data Models
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
User view of spatial networks in spatial database systems
ER'12 Proceedings of the 2012 international conference on Advances in Conceptual Modeling
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Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purposes. Database support for large spatial networks in order to represent, store, query, and manipulate them is rare. Our paper aims to provide the beginning of a conceptual, abstract, and formal model of spatial networks, called Spatial Network Algebra (SNA), that includes types and operations and is supposed to serve as a specification for their later implementation in spatial database systems and GIS. Finally, we show how our spatial network concepts can be embedded into an SQL-like query language.