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Service providers have to evolve their services to meet the growing demand of users in an on-going basis. New ways to provide better services have to be sought about so that the service can sustain in the open market place in the long run. Research work related to service evolution involves the monitoring of changes in the service environment, the analysis to service requirements, and the composition...
The U.S. Department of Defense (DoD) Joint Staff, Force Structure Directorate (J-8), along with the Office of Under Secretary of Defense for Personnel and Readiness (OUSD(P&R)) put forth the Global Force Management Data Initiative (GFM DI) with the goal of developing a reliable and maintainable enterprise data source capturing Organizational and Force Structure Construct (OFSC) information. The...
Enterprise architectures (EA) aim to provide a cohesive information technology (IT) infrastructure by tightly aligning with an enterprise's business environment. To facilitate this, enterprise architecture frameworks (EAF) have been used to understand an enterprise's strategy and business architecture to synthesize a supporting IT strategy. This understanding is critical to the success of an EA. This...
In this paper, the conceptual architecture of a SaaS platform that enables executing of configurable and multitenant SaaS application is proposed. Even though most of organizations utilize a standardized SaaS application developed by a SaaS developer, each of tenants would have unique requirements regarding service components. The platform provides several features for configuring these aspects of...
In this paper, we investigate an integrated architecture to support interoperability among heterogeneous middle wares on home networks. We propose and implement a general middleware bridge to support device interoperability on different middle wares for efficient home networks. The IWFEngine(inter working function engine) architecture provides an interface for identifying and utilizing services among...
Wearable health systems, aimed to provide individualized health management and better quality of treatment and care, are emerging. It enables low-cost, user-friendly and continuous healthcare at any time and at any place. This paper provides a review of wearable technology for health related applications, including the analysis of user requirements, the introduction of current achievements in wearable...
In recent year, rapid advancement of UPnP technology cause development of a variety of UPnP devices. In addition, various UPnP services developed for the devices. In home network environment, user needs continual UPnP service. However, the services based on UPnP are not provided continually, because of imperfect matching among the heterogeneous devices. To solve these problems, this paper proposes...
Volunteer computing is a computing paradigm in which the operations of a large-scale application are processed by idle resources of Internet-connected computers. The redundant-work distribution techniques are mainly used to exclude the malicious participants in the volunteer computing environment. However, the techniques cause some problems like delay of the work completion time or inefficiency of...
This paper presents a mobile-carrier choice modeling to analyze customer preference and understand customer choice behavior in the mobile phone market. Due to severe competitive conditions, there are a few differences among mobile phone services provided by mobile-carriers. We propose a new mobile-carrier choice modeling considering incentive factors and restrictive factors as decision-making factors...
This work focuses on modeling router-level network topologies. We studied global optimization models to deal with realistic network conditions that engineers face in the design process. Appropriate network conditions must be applied to the models. Our interest is in analyzing what network conditions lead to power-law networks, which is regarded as a feature of real networks. Evaluations of these network...
Multiple-Input Multiple-Output (MIMO) spatial multiplexing is a promising technique to increase the channel capacity without increasing bandwidth. One of the key to successful application of this technique is in receiver design. Recently, a low complexity receiver algorithm, based on asymmetrical poly-diagonalization and trellis decoding, is investigated. It can provide tradeoff between performance...
This paper proposes a business process testing scenario generation based on test cases composition. Just like path oriented testing technique in structure testing area, this testing method focuses on finding the logical error in the process implementation according to the formal business process presentation. The test cases against a node of process designed by the techniques such as boundary value...
While information and communication technologies (ICT) are expected to improve energy efficiency, the spread of ICT will also increase power consumption by server loads and network traffic. In this paper, we present a traffic management scheme to control traffic volume and server load by using a virtual machine (VM) in cloud architecture. The proposed scheme solves the inefficiency concerning the...
Cloud computing is a technology based on the Internet, providing services to the virtualized IT environment, and allowing users to use the services on their discretion. Cloud computing integrates multiple local computer systems, software, and platforms through networking and provides virtualized information services and IT resources to the users with great flexibility and scalability so it can meet...
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