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Geographic information systems (GIS) are increasingly being used for effective accessibility to spatial data. Due to technical complexity and high cost, communities lacking the expertise and resources cannot benefit from this technology. Open source software (OSS) offers the potential to solve these problems. At first this paper briefly reviews the OSS and(More)
Land cover classification is one of the major measures for the ecological survey of river deltas. This paper focuses on the land cover classification of the RADARSA T-2 polarimetric synthetic aperture radar (PoISAR) images for the Yellow River Delta. As the effective utilization of polarimetric information is a key problem in PolSAR image classifications,(More)
  • Xu Juan
  • 2011 International Conference on Consumer…
  • 2011
Among the instructional design methods focusing on learning, the ASSURE Model proposed by Robert Heinich is a classic one. The model is a guidance which guides teachers how to use media and technology in the classroom teaching. It provides teachers with a practical blueprint for instructional design and directs them to complete a media-based instructional(More)
This paper is focused on analyzing business processes integration of third-party logistics service providers (3PLs) in e-commerce. 3PLs are often selected to take charge of the logistics design, delivery, storage, and transportation in a supply chain with their professional and value-added services. This paper establishes a framework of 3PLs business(More)
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