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Current traffic noise mapping systems are not ideal for distributed computing in dynamic network. This paper investigates the approach and mechanism of distributed noise map generation based on Service Object Oriented Architecture (SOOA). Service Oriented Computing Environment (SORCER) is employed to build a highly flexible distributed network services space. After that, a SOOA based computer aided...
This paper analyzes the characteristics of the embedded GIS and the LBS. In addition, the paper presents how to solve the key technology in the embedded GIS, such as interactive map matching, keeping high time-effectiveness and using different electronic map modes.
Ontologies are put forward to resolve the problem of information integration and heterogeneous knowledge sharing. Aiming at the issue of data redundancy and inefficient sharing, we propose a data sharing framework of microscopic traffic simulation and GIS based on ontology driven. The building process of requirement, analysis, design and implementation of the microscopic traffic simulation ontology...
A standardized data model is proposed for the solution of data sharing between geographic information systems (GIS) and microscopic traffic simulation systems. The object oriented technology, layer and package expression are used to abstract the characteristics of the proposed model, which then is described with the UML technique. The definition of entity and E-R diagram of the basic road and public...
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