To model dynamic road traffic environment, it is imperative to integrate spatial and temporal knowledge about its evolution into a single model. This paper introduces temporal dimension which provides a method to reason about time-varying spatial information in a spatio-temporal graph-based model. Two types of evolution, topological and attributed, of time-varying graph (TVG) are considered which require the time domain to be discrete and/or continuous, and the TVG proposed includes time-varying node/edge presence and labeling functions. Theoretical concepts presented in this paper will guide us through the process of application development in future.
@InProceedings{oberoi_et_al:LIPIcs.GISCIENCE.2018.52, author = {Oberoi, Kamaldeep Singh and Del Mondo, G\'{e}raldine and Dupuis, Yohan and Vasseur, Pascal}, title = {{Modeling Road Traffic Takes Time}}, booktitle = {10th International Conference on Geographic Information Science (GIScience 2018)}, pages = {52:1--52:7}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-083-5}, ISSN = {1868-8969}, year = {2018}, volume = {114}, editor = {Winter, Stephan and Griffin, Amy and Sester, Monika}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.GISCIENCE.2018.52}, URN = {urn:nbn:de:0030-drops-93806}, doi = {10.4230/LIPIcs.GISCIENCE.2018.52}, annote = {Keywords: Qualitative Spatio-temporal Model, Time Varying Graph, Road Traffic, Intelligent Transportation Systems} }
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