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In recent years, considerable amount of research has been dedicated to the integration of artificial cognitive functionalities into informatics. With the immense growth in volume of cognitive content handled by both artificial and natural cognitive systems, the scientific treatment of new and efficient communication forms between such cognitive systems is inevitable. In this paper, we provide the...
Quality of the service (QoS) plays an important role in the life-cycle of scientific workflows for composing and executing applications. However, the quality of network services has so far rarely been considered in composing and executing scientific workflows. Currently, scientific applications tune the execution quality neglecting network resources, and by selecting only optimal software services...
This paper studies the history of Diffusion Theory, put forward two new concepts of Tarde - Rogers Hypothesis and "Ryan - Gross" Paradigm. It's other theoretical significance is that introducing the classic hypothesis and paradigm of Diffusion Theory into Network News Communication and obtaining an empirical support. As for it's methodology, this paper puts forward some theoretical hypotheses...
Based on the fine particles as the main control object, the influence of dust load, filtration velocity and structure of filter material on the performance of the bag filter is studied. The results show that in certain dust load, the filtration resistance and filtration velocity has good linear relation and the resistance increases with the increase of dust load. High dust load and velocity is more...
In recent years, emergency events frequently occurred in colleges and universities, and these events affected the campus and social stability. This paper analyzed the characteristics and reasons of emergency events in colleges and universities, and the problems in emergency management of colleges and universities with multi-campuses, and gave some suggestions.
Based on the annual report data between 1995 and 2005 of all listed companies (LCs), the 25 initial financial indexes, widely used by experts and researchers aboard and at home, was deduced to 14 effective evaluation indicators using factor analysis and principal component analysis (PCA). The 14 evaluation indicators, covering five aspects for comprehensive evaluation of competitiveness of LC, retain...
This paper provides on effective Shuffled Embedded Technique (SET) to eliminate the drawback of substitution technique. Using the genetic algorithm, message bits are embedded into multiple, vague (blurred) and higher LSB layer in order to increase robustness, which is achieved by embedding secret messages in digital audio stream. Additional careful considerations are taken against the premeditated...
The reusability of the Product Quality Tracking System is currently very poor. And the software resources' sharing is not adequate. Because of these shortages, this paper researches on the component-based software development, and uses the idea of domain engineering to get the domain modeling of Product Quality Tracking and the DSSA (domain-specific software architecture). This paper first analyzes...
The compressible miscible displacement in a porous media is considered in this paper. The concentration is treated by a characteristics collocation method, and the pressure is treated by an orthogonal collocation method. Optimal order estimates in L2-norm and numerical experiment are derived.
Wave equations with variable coefficients are considered by the orthogonal collocation method and ADI collocation method. The first method discretizes the second order time term directly and introduces new operator. The second method introduces a new perturbing term that is a mixed derivative function, so the schemes possess stability. The optimal results of two methods are also derived in this paper.
The Media Switch is an end-to-end total solution deployed in data center, broadband central offices, and customer premises. The Architecture is designed to fit the common WAN network hierarchy with high reliability and scalability. The systems that reside in the data center are Media Asset Management System, Media Acquisition Control System, Subscriber Management System, Billing System, Content Management...
Rich media application enables plenty of interactive, information-rich services to enhance end user's viewing experience. In current standards released for such service, only one rendering space is defined to handle multiple types of content belonging to the same service. However, a new trend is to assign more than one terminal device to render rich media application in a cooperative way inside a...
This paper presents a survey on current trends in several technologies related to avatars and introduces a new solution for interoperability of avatars in Virtual Worlds. A short examination of several standards, recommendations, markup languages and VWs presentation definitions addressing different aspects of avatars are provided. As a result of this analysis, a new standard, called MPEG-V, aiming...
In this paper, we present a solution to efficient multimedia streaming applications over P2P networks based on the foresighted resource reciprocation strategy. We study several priority functions that can explicitly consider the timing constraints and the importance of each data segment in terms of multimedia quality, and successfully incorporate them into the foresighted resource reciprocation strategy...
This paper discusses stream media application server from stripe size, RAID algorithm and block size. According to the characteristics, we design and set up stream media application server which has excellent performance.
The spread of novel multimedia services such as audio and video streaming, HDTV and online gaming have become a ordinary in the home networks. Therefore, the possibility to manage the Quality of Service (QoS) within an home environment becomes a crucial factor for the satisfaction of the user. In this paper we propose an enhanced Admission Control and Drop strategies for a UPnP-QoS controlled home...
Wireless actuators are small scale devices that can receive/accept instructions and act on their environment. The IP Multimedia Subsystem (IMS) is a key component for 3G networks. It aims at seamless provisioning of multimedia services. Combining actuation capabilities with IMS capabilities will certainly enable novel value added services. This paper proposes an architecture for the integration of...
The problem of dynamic Quality of Service (QoS) management for multimedia services has been addressed from two complementary, yet interrelated directions; one mainly dealing with designing adaptive or “elastic” services, and the other, dealing with “smarter” resource allocation. We adopt this approach in this paper, by performing a graceful quality degradation and the corresponding resource (re)allocation...
Social network analysis has recently gained a lot of interest because of the advent and the increasing popularity of social media, such as blogs, social networks, micro logging, or customer review sites. Such media often serve as platforms for information dissemination and product placement or promotion. In this environment, influence and trust are becoming essential qualities among user interactions...
Computer technology development and internet generalization yielded commercial game invigoration. Recently, interface of internet FPS games became realized similar to reality to attract users toward a higher level of immersion. This paper discusses aesthetic contemplation of the interface of rapidly developed FPS games and the users' behavior in the virtual space thereof. Game and art do not seem...
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