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Feature location is a critical step in the software maintenance process where a developer identifies the software artifacts that need to be changed in order to fulfill a new feature request. Much progress has been made in understanding the feature location process and in creating new tools to help a developer in performing this task. However, there is still lack of support for locating architectural...
Internet-scale data centers (IDCs) have rapidly proliferated to such an extent that their energy consumption and GreenHouse Gas (GHG) emissions have become an important concern to society. As a result, many IDC operators have started using renewable energy, e.g., wind power, to power their data centers. Unfortunately, the utilization of wind energy has stayed at a low ratio due to the intermittent...
An implementation scheme for security system in intelligent residential district is presented in this paper. The security system is composed of home security subsystem, access control system and residential security control network. Hardware and software architecture of the home subsystem and design of the control network are introduced in detail. Problems of wired networks are solved due to the application...
In this paper we proposed an application on smart phones for interactive mobile learning. Image recognition technology is used to link physical objects seen through the camera to relevant information. Through the built-in camera on the smart phone, visual interactive learning can be realized. With the GPS sensor, location activated learning is also possible. Combining both the camera and the GPS sensor...
In this paper, we propose a new framework of providing Handwritten Character Recognition as a Service (HCRaaS) via Internet, based on cloud computing technology. Using the proposed Cloud-based recognition platform, we would be able to apply many advanced algorithms in practice, such as modified quadratic discriminant function (MQDF) and SVM classifier used for large scale character recognition, writing...
Image spam is an email spam that embeds text content into graphical images to bypass traditional spam filters. The majority of previous approaches focus on filtering image spam from client side. To effectively detect the attack activities of the spammers and fast trace back the spam sources, it is also essential to employ cluster analysis to comprehensively filter the image emails on the server side...
In WiFi-based content distribution community infrastructure (CDCI), file servers are deployed in diverse locations around cities, caching popular files interesting to a community. They serve file download requests from mobile users in proximity via WiFi. In this paper, we study the optimal caching strategy for file servers in CDCI so that the mean file retrieval probability within deadline is maximized,...
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