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The procedure of matching vehicle location data onto road map is very essential for many ITS (Intelligent Transportation System) applications. However, with the boosting deployment of GPS devices in vehicles, the accumulation of huge amount of GPS data caused great challenge on the efficiency and scalability of traditional serial map matching algorithm. In(More)
Existing web-services description is limited to the interface's type, parameters, and operation's definition and description, it is insufficient to describe the data-services in big data. Relative to the web-services, data-services is more fundamental, What's more important is to describe the characteristics and semantic attribute of data source. In this(More)
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