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Software development often involves lots of domains, the models in different domains require different modeling elements. By metamodeling, we can formulate an appropriate meta-model and define domain modeling language according to domains that require. Combine domain modeling and MDA(Model Driven Architecture), metamodeling can greatly enchance the efficiency of software development. Firstly, this...
Sensor web applications such as real-time environmental decision support systems require the use of sensors from multiple heterogeneous sources for purposes beyond the scope of the original sensor design and deployment. In such cyberenvironments, provenance plays a critical role as it enables users to understand, verify, reproduce, and ascertain the quality of derived data products. Such capabilities...
In order to break the bulwark and eliminate the information isolated island in UGIS, the architecture of SOA-oriented urban spatial information platform is proposed. The SOA-oriented urban spatial information management and service architecture is designed and the key technologies are discussed in detail. The architecture is based on service and adopts the convenient and widely used SOA. It contains...
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