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The cognitive radio network is intelligent in adapting to the dynamic network environment, and it also provides a new way to solve the application limitation of nowadays MAC protocols. In this paper, an adaptive MAC protocol selection scheme based on machine learning is proposed for cognitive radio networks. This scheme can combine the respective advantages of the competitive protocols and non-competitive...
With the wide adoption of hybrid cloud, there are many potential risks that need to be mitigated to ensure that the utilizations of services are at their optimal levels. One of the major risks that has garnered much attention is maintaining maximum security and confidentiality for sensitive information. Detecting sensitive content at near real-time and at cloud scale has become a critical first step...
Data protection is the process of backing up data in case of a data loss event. It is one of the most critical routine activities for every organization. Detecting abnormal backup jobs is important to prevent data protection failures and ensure the service quality. Given the large scale backup endpoints and the variety of backup jobs, from a backup-as-a-service provider viewpoint, we need a scalable...
Request for proposal (RFP) documents describes a client's business and service requirements in natural language. RFP packages typically consists of tens to hundreds of documents each ranging from tens to hundreds of pages and come at variety of formats and structures. Processing RFPs manually is a tedious, error prone and slow process. It is a competitive advantage to a service provider to be able...
In IT strategic outsourcing businesses, it is critical to have competent deal teams design competitive service solutions and swiftly respond to clients' requests for proposals. In this paper we present a general team recommendation framework for finding the best deal teams to pursue such engagement opportunities. Little previous work on team recommendations considers both individual and team-level...
Information technology service providers (ITSPs) compete to win high-valued outsourcing contracts by designing and proposing bids to potential clients. The bids are complex in both their technological components and service level agreements. Several factors in addition to price play a critical role in determining whether a deal is won or lost. Our research mission is to discover which factors deals...
To support the knowledge discovery and decision making from large-scale, multi-dimensional, continuous data sets, novel systems of visual analytics need the capability to identify hidden patterns in data that are critical for in-depth analysis. In this paper, we present a work-centered approach to support visual analytics of complex data sets by combining user-centered interactive visualization and...
In order to discuss the material behavior of concrete subjected to fire, based on elastic-plastic theories, considering the variation of material properties with temperature, the general incremental thermo-elastic-plastic creep constitutive equation is derived in consideration of temperature and creep deformation. According to Drucker-Prager yield rules, the incremental thermo- elastic-plastic creep...
For the mechanical properties of reinforced concrete under high temperature with large deterioration, the reliability of reinforced concrete beams have been largely discounted. The plastic zone resistance of concrete under high temperature has been considered in this paper. A simple and feasible time-variant model of the resistance of reinforced concrete beams has been given under fire and a reliability...
The authors investigate the feasibility of using modern interactive games to help improve the quality of life of the elderly whether they are living in their own homes or in aged care facilities. Ultimately the aim is to integrate such technologies into their prototype health monitoring system called ReMoteCare, a wireless sensor network based system. It is hoped that a series of interactive exercises...
Although E-Learning has grown into a revolutionary way of learning and is currently widely accepted, it still faces many problems, especially in its implementations. The research community has believed that an E-Learning ecosystem is the next generation E-Learning. Nowadays, the current trend of Web 2.0 has a strong impact on E-Learning. In this paper, mashups are used to build an E-Learning ecosystem...
Recently the research community has believed that an e-learning ecosystem is the next generation e-learning. However, the current models of e-learning ecosystems lack the support of underlying infrastructures, which can dynamically allocate the required computation and storage resources for e-learning ecosystems. Cloud computing is a promising infrastructure which provides computation and storage...
The stability for steering control closed-loop system of remote-operated tracked vehicle was studied for the purpose of developing steering control system. Through the analyze of steering closed-loop system, the model of steering closed-loop system was developed combined with a driver model based on compensation control, a model of remote control section, and a steering model of tracked vehicle. The...
With the introduction of the digital press in recent years, the cost of short-run printing jobs has decreased. The "print-on- the-fly" capability of these digital presses makes it possible to compose documents based on the contents extracted from various databases. The traditional proofing method in print shops focuses on human visual inspection of one hard copy among thousands of print-outs...
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