Use Of Web Service Technologies Research Articles

Study of a linear-physical-programming-based approach for web service selection under uncertain service quality

Abstract To promote the practical use of web service technologies, it is critical to select a proper web service that will meet users’ preferences from a pool of web services with similar functions. It is usually a core issue during web service selection to describe and evaluate the quality of these web services. Average value can be employed to describe certain service quality and to evaluate the quality with multiple criteria through the Simple Additive Weight Method. Based on an analysis of various deficiencies in existing approaches proposed in some studies, four indicators were used: Price, Response Time, Reliability and Credibility. On top of that, recent sampling data sets were introduced to describe the uncertain quality of service (QoS) criteria; linear physical programming was used to evaluate QoS with comprehensive criteria to meet the need to objectively describe uncertain QoS criteria, and preference regions were set to adapt to interval characteristics of criteria. Finally, a computational example is provided to demonstrate the feasibility and effectiveness of the method.

PEMANFAATAN TEKNOLOGI WEB SERVICE UNTUK INTEGRASI SISTEM LAYANAN MATERI PELAJARAN TERDISTRIBUSI

The program is implemented by the National Agency of Standardization Education (BSNP) in principle requires the student's participation in the information of various media, one of which comes from the Internet. The role of the school, especially teachers by providing a source material is also very necessary. The more resources available subject should be one of the student's notes of support factors. Digital training network creative services can be an effective learning tool. Digital materials services can be used to connect between the school as a hardware provider, so that information systems can be integrated with each other learning materials between schools and many resource materials obtained . While the data can be integrated materials between schools then use the Web service. Web services are built on a system of service providers that are in each school. The results of the use of Web services technology for systems integration services which are the subject of each school, with testing services that are built at the school system testing and information important that is accessible by the user, ie teachers, students, and office. The results of the study indicate a web service to solve problems by providing a lot of information distributed on the providers and users as needed.

WEB Services Implementation on The Report of Dengue Hemorrhagic Fever (DHF) At Health Office Karanganyar

Abstract— Dengue Hemorrhagic Fever (DHF) is one of the infectious diseases that frequently leads to Extraordinary Situation. The management of report is conducted by Health Community Center which subsequently gives report to Health Office. A problem arising from the report management is the fact that the report is conducted manually, therefore, the data is less valid and is not processed as quickly as possible. The quick and accurate data report system enables to lessen the risk of Dengue Hemorrhagic Fever. Due to this fact, it is undeniable necessary to provide an integrated inter-system of Dengue Fever report. This system includes an inter-system between one Health Community Center to another and to the system in Health Office. The integration of inter-system report is able to be conducted by the use of web service technology. Therefore, this research focuses on the development of Web Service based integrated system on the report of Dengue Fever. Data exchange is conducted in XML form by the application of SOAP and WSDL technologies. Library NuSOAP is necessary to provide class soapClient and soapServer. In other words, it functions as the listener whose functions are to receive and to respond at the access demand toward web service. The result is web service based report system which has dual functions since the system has functions to be either server or client.Keywords— web service, integration, SOAP, DHF.

INTEGRASI LAPORAN DEMAM BERDARAH DENGUE (DBD) MENGGUNAKAN TEKNOLOGI WEB SERVICE

Dengue Hemorrhagic Fever (DHF) is one of the infectious diseases that frequently leads to Extraordinary Situation. The management of report is conducted by Health Community Center which subsequently gives report to Health Office. A problem arising from the report management is the fact that the report is conducted manually, therefore, the data is less valid and is not processed as quickly as possible. The quick and accurate data report system enables to lessen the risk of Dengue Hemorrhagic Fever. Due to this fact, it is undeniable necessary to provide an integrated inter-system of Dengue Fever report. This system includes an inter-system between one Health Community Center to another and to the system in Health Office. The integration of inter-system report is able to be conducted by the use of web service technology. Therefore, this research focuses on the development of Web Service based integrated system on the report of Dengue Hemorrhagic Fever. Data exchange is conducted in XML form by the application of SOAP and WSDL technologies. Library NuSOAP is necessary to provide class soapClient and soapServer. In other words, it functions as the listener whose functions are to receive and to response at the access demand toward web service. The result is web service based report system which has dual functions since the system has functions to be either server or client.

Performance evaluation of eventing web services in real-time applications

The objective of this research is to study the application of Web services technology in distributed real-time data delivery systems, as well as to determine the appropriate contexts in which such a design can be considered. We focus on distributed real-time systems and more specifically, on distributed soft real-time systems, which stand to benefit most from the use of Web services technology. We provide a means to evaluate the inclusion of Web services-based middleware in real-time system design. The decision to use the standardized data representation and communications protocols of Web services can bring tremendous value and benefit to both the service provider and the end user of a real-time system; however, the temporal performance of such systems is a critical factor. This research examines the most significant general performance considerations applicable to such systems and more specifically, provides a model to be used in the determination of whether a given system configuration can meet a specific soft real-time performance target.

A Hybrid Architecture for Implementing Efficient Geospatial Web Services: Integrating .Net Remoting and Web Services Technologies

Open GIS Consortium (OGC) Geospatial Web services have been introduced to overcome spatial non-interoperability problem associated with most geospatial processing systems. Although OGC geospatial Web services provide interoperability among heterogeneous geospatial processing systems, in some cases they can not provide required performance and efficiency. This paper proposes a hybrid architecture which can efficiently provide interoperability and high performance for transferring geospatial data. It is suggested that making use of Web services technologies for implementing OGC geospatial Web services would significantly facilitate sharing geospatial data in heterogeneous environments like Web. In addition, making use of a proprietary and platform-dependant technologies can provide best performance and efficiency in homogeneous environments like an internal network. In this context, design and development of an OGC geospatial Web service using hybrid architecture of Web services Technologies and .NET Remoting technology (as proprietary and .NET specific technology) is described. Based on our evaluations and practical tests, the hybrid architecture proved to be an efficient solution for development of geospatial Web services.

A multimedia broker to support accessible and mobile learning through learning objects adaptation

The large diffusion of e-learning technologies represents a great opportunity for underserved segments of population. This is particularly true for people with disabilities for whom digital barriers should be overstepped with the aim of reengaging them back into society to education. In essence, before a mass of learners can be engaged in a collective educational process, each single member should be put in the position to enjoy accessible and customized educational experiences, regardless of the wide diversity of their personal characteristics and technological equipment. To respond to this demand, we developed LOT (Learning Object Transcoder), a distributed PHP-based service-oriented system designed to deliver flexible and customized educational services for a multitude of learners, each with his/her own diverse preferences and needs. The main novelty of LOT amounts to a broking service able to manage the transcoding activities needed to convert multimedia digital material into the form which better fits a given student profile. Transcoding activities are performed based on the use of Web service technologies. Experimental results gathered from several field trials with LOT (available online at http://137.204.74.83/∼lot/) have confirmed the viability of our approach.

BioMoby web services to support clustering of co-regulated genes based on similarity of promoter configurations

Here we present a computational protocol to analyze the promoter regions of a given set of co-expressed genes, and its implementation through the use of Web services technologies. This protocol aims to cluster a set of co-regulated genes in subsets of genes showing similar configurations of transcription factor binding sites. All the steps of this protocol have been developed as web services that are compliant with BioMoby specifications. {http://genome.imim.es/cgi-bin/moby/GeneClustering_DataSubmission.cgi}. Supplementary data are available at {http://genome.imim.es/webservices/}

Using Web Services for Linking Genomic Data to Medical Information Systems

To develop a new perspective for biomedical information systems, regarding the introduction of ideas, methods and tools related to the new scenario of genomic medicine. Technological aspects related to the analysis and integration of heterogeneous clinical and genomic data include mapping clinical and genetic concepts, potential future standards or the development of integrated biomedical ontologies. In this clinicomics scenario, we describe the use of Web services technologies to improve access to and integrate different information sources. We give a concrete example of the use of Web services technologies: the OntoFusion project. Web services provide new biomedical informatics (BMI) approaches related to genomic medicine. Customized workflows will aid research tasks by linking heterogeneous Web services. Two significant examples of these European Commission-funded efforts are the INFOBIOMED Network of Excellence and the Advancing Clinico-Genomic Trials on Cancer (ACGT) integrated project. Supplying medical researchers and practitioners with omics data and biologists with clinical datasets can help to develop genomic medicine. BMI is contributing by providing the informatics methods and technological infrastructure needed for these collaborative efforts.

The Use of Web Services Technology in the Design of Complex Software Interfaces: An Educational Perspective

The Use of Web Services Technology in the Design of Complex Software Interfaces: An Educational Perspective

Supporting the ETL-process by Web Service technologies

Extracting data from heterogeneous data sources and transferring data into the data warehouse system is one of the most cost intensive tasks in setting up and operating a data warehouse. Special tools may be used to connect different sources and target systems. In this paper, we propose an architecture which enables the flexible integration of data sources into any target database system. The approach is based on the idea of splitting the classical wrapping module into a source specific and a target specific part and establishing the communication between these components based on Web Service technology. We describe the general architecture, the use of Web Service technology to describe and dynamically integrate participating data sources and the deployment within a specific database system.

Giving Legs to the Legacy — Web Services Integration Within the Enterprise

Behind the hype of Web Services (WS) is the reality of a sound and functional set of technologies for integration. This paper describes how the pragmatic use of WS technology has resulted in better, cheaper and faster integration for BT in its core operational support systems (OSS) system interfaces. BT has embarked upon a programme of enabling key components and middleware layers in its customer handling stack to leverage the benefits of Web Services in addressing the challenge of real-time heterogeneous interworking. It is believed that the WS-enabling of these legacy systems has helped add years to their productive use and protected the huge investment already made in these systems. As well as giving ‘legs’ to such legacy systems, Web Services support the drive to implement a service-oriented architecture inside BT and this paper investigates the ways in which this is being achieved. In order to exploit Web Services on BT's mission-critical platforms we have had to understand and work with WS issues on a wide range of platforms, proving the interoperability, performance and security of the new technologies in large-scale enterprise integration projects. Integration has been the first ‘killer application’ for Web Services and this paper will describe some of the business areas that have benefited from the cleaner integration that Web Services offer.