Guidelines for Implementation of Multimodal Transportation Location ReferencingSystems

摘要

This research produced a data model that can be adopted by transportationagencies, by transportation geodata standards groups, and by Geographic Information Systems in Transportation (GIS-T) software vendors. The research (a) established consensus-based functional requirements for a transportation multimodal, multidimensional location referencing system (MDLRS) data model; (b) developed an MDLRS data model that meets these functional requirements; and (c) developed guidelines for implementing the MDLRS data model in transportation organizations. Through a workshop of stakeholders, this research identified ten core functional requirements that form the essence of the MDLRS data model: spatiotemporal referencing methods, temporal referencing system/temporal datum, transformation of data sets, multiple cartographic/spatial topological representations, resolution, dynamics, historical databases, accuracy and error propagation, object-level metadata, and temporal topology/latency. A number of existing data models and standards were considered in the formulation of the MDLRS data model.