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Rapid development of cloud storage services produces a tremendous amount of user data outsourcing to cloud servers. Therefore, it is easy to generate data multi-replica, which is able to improve data availability and users' experience. However, when the management of data is poor, the sensitive information will be disclosed more easily. This may bring serious security and privacy challenges for both...
Deduplication is an important technique to save the storage cost at the cloud storage server. Image is an important data type stored in cloud, but rarely discussed in previous work on deduplication. This paper studies the problem of validating the deduplication of image storage in cloud. In particular, we consider the task of allowing a cloud server to verify the correctness of deduplication. Our...
The widely used geospatial web services technology has provided a new means for geospatial data interoperability. Web Map Service (WMS) is a standardized geospatial web service from the Open Geospatial Consortium (OGC). WMSs can be used for requesting and producing maps on the Internet, and have been widely adopted in the Geographic Information System (GIS) community. These WMSs make remote sensing...
Spatial data has been extensively used in forest resource management and decision making in China. But research on spatial data sharing and interoperability in forest farm level is unavailable. This paper proposed an approach to address problems of distributed spatial data management, sharing, integration and interoperability for forest farms using OGC Web Feature Services (WFS), Web Map Service (WMS)...
Nowadays, more and more multimedia applications have appeared. As one of these applications, multimedia information publication system supporting multiple terminals and pre-editing program function is getting more and more popular. But the capacity of set-top box is limited, STB can't handle a mass of tasks. This paper proposes a method using information integration engine to restructure resources,...
In the past few years, the Web has become a de facto deployment environment for new application systems. Web-based Geospatial image map systems make satellite remote sensing data available to a wider range of public users than ever before. The storage and organization of global massive multi-dimensional remote sensing data have a big impact on the performance of Web mapping systems. To implement a...
Satellite remote sensing imagery data is an important Geospatial data which is playing an increasingly important role in many applications such as crisis management, military activities and Government decision-making. However, it will continue to be a great challenge to organize and manage these multi-dimension massive remote sensing data for collaborative visualization services in Internet environment...
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