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In order to improve the discriminating capacity of the RFID tags for agricultural products traceability data, a new handling engine ORFID-CEP for complex events of agricultural products RFID Tag based on ontology, is proposed by introducing the event ontology model into the field of the agricultural products quality safety administration. In the new engine, the ontology model of RFID event, semantic...
Agricultural knowledge representation, organization and integrated application in distribute environment is a complex and difficult problem, mainly due to the distributed, polymorphic and heterogeneous characteristics of the agricultural knowledge resources. In order to overcome the problem, an application framework which supports the agricultural production knowledge integration based on semantic...
The analysis of geographical changes has been one of the important directions of the GIS research agenda over the past ten years. But an explicit representation of increment change which clearly describes the semantics of change and supports the database tracking of geographical changes are not completely considered within current researches. In order to clearly distinguish the increment change, we...
The distribution of the update information of topographic database is still one of the main open challenges for many data producers. The incremental method is transfer of a data set that is restricted to objects which have been changed since the last transfer. This paper focuses on the modeling and description of incremental information, which is the precondition of distribution. In order to accomplish...
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