Putting Interoperability on the Map

2011 ◽  
pp. 53-75
Author(s):  
Stelios Eliakis ◽  
Eleni Zampou ◽  
Katerina Pramatari
Keyword(s):  
Information Sharing ◽  
Architecture Design ◽  
Relevant Research ◽  
Service Oriented Architectures ◽  
Changing Environments ◽  
Exchange Information ◽  
Service Oriented

Information sharing and interoperability are key ingredients for any system that participates in Service Oriented Architectures (SOA) and wants to communicate and exchange information with other partners. Although there are many technologies that support interoperability, there is apparently no relevant research about how to extract and aggregate the requirements of a system, the necessary architecture components and tools regarding interoperability. This chapter reviews the principles and the constraints that affect architecture design and the research efforts about interoperability infrastructures, and proposes a set of architecture components and tools that can enable, support and maintain interoperability in heterogeneous, dynamic, and constantly changing environments.

E-Government Capabilities for 21st Century Security and Defense

2010 ◽  
pp. 1-13
Author(s):  
Roy Ladner ◽  
Fred Petry ◽  
Frank McCreedy
Keyword(s):  
Web Services ◽  
National Security ◽  
Information Sharing ◽  
Homeland Security ◽  
21St Century ◽  
Department Of Defense ◽  
Department Of Homeland Security ◽  
Service Oriented Architectures ◽  
Future Directions ◽  
Service Oriented

In this article we provide an overview of e-government as it pertains to national security and defense within the Department of Defense (DoD) and Department of Homeland Security (DHS). We discuss the adoption of Web services and service-oriented architectures to aid in information sharing and reduction of IT costs. We also discuss the networks on which services and resources are being deployed and explain the efforts being made to manage the infrastructure of available services. This article provides an overview of e-government for national security and defense and provides insight to current initiatives and future directions.

Electronic Government

2009 ◽  
pp. 13-27 ◽  
Author(s):  
Roy Ladner
Keyword(s):  
Information Technology ◽  
Web Services ◽  
National Security ◽  
Information Sharing ◽  
Homeland Security ◽  
Electronic Government ◽  
Department Of Homeland Security ◽  
Service Oriented Architectures ◽  
Future Directions ◽  
Service Oriented

In this chapter we provide an overview of electronic government as it pertains to national security and defense within the Department of Defense (DoD) and Department of Homeland Security (DHS). We discuss the adoption of web services and service oriented architectures to aid in information sharing and reduction of Information Technology (IT) costs. We also discuss the networks on which services and resources are being deployed and explain the efforts being made to manage the infrastructure of available services. This chapter provides an overview of e-government for national security and defense and provides insight to current initiatives and future directions.

A Two Phases Self-healing Framework for Service-oriented Systems

2021 ◽  
Vol 15 (2) ◽  
pp. 1-25
Author(s):  
Amal Alhosban ◽  
Zaki Malik ◽  
Khayyam Hashmi ◽  
Brahim Medjahed ◽  
Hassan Al-Ababneh
Keyword(s):  
Web Services ◽  
A Priori ◽  
Fault Management ◽  
Service Selection ◽  
Exception Handling ◽  
Self Healing ◽  
Service Oriented Architectures ◽  
Service Oriented ◽  
Improved Performance ◽  
High Level

Service-Oriented Architectures (SOA) enable the automatic creation of business applications from independently developed and deployed Web services. As Web services are inherently a priori unknown, how to deliver reliable Web services compositions is a significant and challenging problem. Services involved in an SOA often do not operate under a single processing environment and need to communicate using different protocols over a network. Under such conditions, designing a fault management system that is both efficient and extensible is a challenging task. In this article, we propose SFSS, a self-healing framework for SOA fault management. SFSS is predicting, identifying, and solving faults in SOAs. In SFSS, we identified a set of high-level exception handling strategies based on the QoS performances of different component services and the preferences articled by the service consumers. Multiple recovery plans are generated and evaluated according to the performance of the selected component services, and then we execute the best recovery plan. We assess the overall user dependence (i.e., the service is independent of other services) using the generated plan and the available invocation information of the component services. Due to the experiment results, the given technique enhances the service selection quality by choosing the services that have the highest score and betters the overall system performance. The experiment results indicate the applicability of SFSS and show improved performance in comparison to similar approaches.

DESIGN OF DECOUPLED CLINICAL DECISION SUPPORT FOR SERVICE-ORIENTED ARCHITECTURES

2009 ◽  
Vol 19 (02) ◽  
pp. 159-183 ◽  
Author(s):  
JENS WEBER-JAHNKE
Keyword(s):  
Decision Support ◽  
Clinical Decision Support ◽  
Service Oriented Architecture ◽  
Empirical Evaluation ◽  
Cost Savings ◽  
Clinical Decision ◽  
Service Oriented Architectures ◽  
Distributed Services ◽  
Service Oriented ◽  
Computer Based

Computer-based clinical decision support (CDS) contributes to cost savings, increased patient safety and quality of medical care. Most existing CDS systems are stand-alone products (first generation) or part of complete electronic medical record packages (second generation). Experience shows that creating and maintaining CDS systems is expensive and requires effort that should be economized by sharing them among multiple users. It makes good economic sense to share CDS service installations among a larger set of client systems. The paradigm of a service-oriented architecture (SOA) embraces this idea of sharing distributed services. Some attempts making CDS services available to distributed health information systems exist. However, these approaches have not gained much adoption. We argue that they do not provide a sufficient level of decoupling between client and CDS in order to be broadly reusable in SOAs. In this paper, we present a new CDS service component called EGADSS, which has been designed and implemented with the declared objective to minimize the coupling between client and CDS server. We present our key design decisions, which are guided by empirical research in SOA development. We evaluate our result theoretically by measuring the level of decoupling achieved compared to existing CDS approaches. Furthermore, we report on an empirical evaluation of the resulting design, integrating the EGADSS service with an example client system.

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