• Title/Summary/Keyword: Web Service System

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Performance Evaluation of Node.js for Web Service Gateway in IoT Remote Monitoring Applications

  • Nkenyereye, Lionel;Jang, Jong-Wook
    • International Journal of Advanced Culture Technology
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    • v.4 no.3
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    • pp.13-19
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    • 2016
  • The growth of mobile devices in Internet of Things (IoT) leads to a number of remote and controlling system related IoT applications. For instance, home automation controlling system uses client system such web apps on smartphone or web service to access the home server by sending control commands. The home server receives the command, then controls for instance the light system. The web service gateway responsible for handling clients' requests attests an internet latency when an increasing number of end users requests submit toward it. Therefore, this web service gateway fails to detect several commands, slows down predefined actions which should be performed without human intervention. In this paper, we investigate the performance of a web server-side platgorm based event-driven, non-blocking approach called Node.js against traditional thread-based server side approach to handle a large number of client requests simultaneously for remote and controlling system in IoT remote monitoring applications. The Node.JS is 40% faster than the traditional web server side features thread-based approach. The use of Node.js server-side handles a large number of clients' requests, then therefore, reduces delay in performing predefined actions automatically in IoT environment.

A System of Personalized and Intelligent Tourism Content Service Based on Semantic Web (시맨틱 웹 기반의 개인화 지능형 문화관광 서비스 시스템)

  • Joo, Jaehun
    • The Journal of Information Systems
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    • v.18 no.3
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    • pp.211-229
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    • 2009
  • Recently, trends of information technology development include offerings of service for personalization, intelligence, and convergence. The research suggested a new tour system that tourists can make their tour packages by applying Semantic Web technology. The system includes ontologies and inference rules for offering intelligent and personalized service. Our system called MYT (Make Your Tour-package) was successfully demonstrated by employing realistic scenarios. Current version of the MYT system needs manager's intervention to link and integrate automatically ontology subsystem and Web service. In further study, the MYT will be extended to the system including a component integrating automatically subsystems and a component capturing and processing context data from RFID/USN.

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A Study on Web based Monitoring System of Machine Tool (웹기반의 공작기계 원격감시 기술)

  • 김동훈;김선호;한기상;김주한
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 1997.10a
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    • pp.60-63
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    • 1997
  • Recently, factory automation and shop floor control system need a web based remote monitoring technology to control effectively machine tool. This paper describes a web based remote monitoring system which is concerned with open architecture controller for machine tool. The environment of this system consists of a lot of elements such as web server, database, machine tool, pc based controller, client computers and script programs, also which is interconnected by network including intranet or internet. Designed script programs, also which is interconnected by network including intranet or internet. Designed script program service current status and faults information of machine to remote users who want to monitor machine tool. Additionally those have various functions to service we board for q&a, downloading data and information of after-service managers.

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Smart Adapted Service in Ubiquitous (유비쿼터스 환경에서 사용자의 일정에 따른 지능 정보 제공 시스템)

  • Ahn, Ho-Seok;Sa, In-Kyu;Baek, Young-Min;Ahn, Youn-Seok;Choi, Jin-Young
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.57 no.3
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    • pp.480-487
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    • 2008
  • In this paper, we propose a Smart Adapted Service which can manage a schedule automatically. Smart Adapted Service gives a notice beforehand regarding information associated with the schedule, by searching the Internet. If the user has written down the name of goods or food which he wants to buy, Smart Adapted Service finds the most suitable store nearby him using the user's favorite list. The user's favorite list is created by Outlook Web Access System by analysing the schedule and habits of the user. User can access Smart Document System remotely through the Internet using Outlook Web Access System. We developed an Auto AP Roaming System for seamless communication and Smart Document System for arranging the information. We evaluated the system and verified that it is convenient to use and working well.

The Implementation of Web Services System for Realtime Finger Recognition in Mobile Environments (모바일 환경에서 실시간 지문인식을 위한 웹 서비스 시스템 구현)

  • Ko, You-Jung;Kim, Yoon-Joong
    • Proceedings of the Korea Contents Association Conference
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    • 2006.11a
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    • pp.483-487
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    • 2006
  • In this paper implemented that PDA sends finger images and can finger recognition web service system in realtime. Finger recognition web service system received the finger images and return the recognition result as XML style. because of this it can offer the same service to using wireless PDA as well as using wire internet client. This system consist of mobile client and finger recognition web service provider. Mobile client request finger recognition web service provider using DIME with taken finger image. We can easily receive and see the result of finger recognition without mass finger database in limited storage space of PDA. Finger recognition web service provider offers that receiving finger images and calling finger recognition system after the recognition return the result.

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Web Service Method using WSDL Repository (웹서비스를 위한 WSDL 리포지토리 설계)

  • Choi, Yue-Soon;Park, Jong-Goo
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.11 no.4
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    • pp.745-753
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    • 2007
  • Web service, the next generation of distributed computing, is a distributed solution that handles all businesses through standard techniques in the internet. Web service performs its function using web interface. The goal of this thesis is to reduce network overloading. to manage WSDL efficiently, and to provide convenience to service users by simplifying the web service procedure. Web service system proposed in this thesis is based on WSDL Repository that can include UDDI and store WSDL. WSDL Repository manages WSDL by file system and has UDDI Registry embedded within it. Because this system is based on WSDL Repository, Web service supplier must register WSDL when he registers services. Then, users can receive WSDL too when he searches for services.

Integration of CAD & PDM on web distributed environment using XML-based web service

  • Yahya, Bernardo Nugroho;Cho, Jeoung-Sung
    • 제어로봇시스템학회:학술대회논문집
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    • 2004.08a
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    • pp.1061-1066
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    • 2004
  • It is certain that the future manufacturing environment will be network-centric and spatially distributed based on Internet. Today, wide variety of distributed computing and communication technologies are available for implementing a system for product data exchange and sharing. One of the technologies that have been received most attentions for product data exchange and sharing is Product Data Management (PDM). PDM tries to integrate and manage process of data and technical documents that are connected to physical product components. In accordance to previous researches about PDM, it can be regarded as an integration tool of many different areas, which ensures that the right information is available to the right person at the right time and in the right form throughout the enterprise. PDM with Web-enabled CAD system is proposed in this paper in order to acknowledge the usefulness of the system mentioned. The system will use Web service on Visual Studio C#.Net to invoke the web application system.

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Web Service Proxy Architecture using WS-Eventing for Reducing SOAP Traffic

  • Terefe, Mati Bekuma;Oh, Sangyoon
    • Journal of Information Technology and Architecture
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    • v.10 no.2
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    • pp.159-167
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    • 2013
  • Web Services offer many benefits over other types of middleware in distributed computing. However, usage of Web Services results in large network bandwidth since Web Services use XML-based protocol which is heavier than binary protocols. Even though there have been many researches to minimize the network traffic and bandwidth usages of Web Services messages, none of them are solving problem clearly yet. In this paper, we propose a transparent proxy with cache to avoid transfer of repeated SOAP data, sent by Web Service to an application. To maintain the cache consistency, we introduce publish/subscribe paradigm using WS-Eventing between the proxy and Web Service. The implemented system based on our proposed architecture will not compromise the standards of Web Service. The evaluation of our system shows that caching SOAP messages not only reduces the network traffic but also decreases the request delays.

Implementation of Product Data Management System for CAD Systems by using XML-based Web Service

  • Cho, Jeoung-Sung;Yahya, Bernardo Nugroho
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2004.05a
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    • pp.245-248
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    • 2004
  • It is certain that the future manufacturing environment will be network-centric and spatially distributed based on Internet. Today, wide variety of distributed computing and communication technologies are available for implementing a system for product data exchange and sharing. One of the technologies that have been received most attentions for product data exchange and sharing is Product Data Management (PDM). PDM tries to integrate and manage process of data and technical documents that are connected to physical product components. In accordance to previous researches about PDM, it can be regarded as an integration tool of many different areas, which ensures that the right information is available to the right person at the right time and in the right form throughout the enterprise. PDM with Web-enabled CAD system is proposed in this paper in order to acknowledge the usefulness of the system mentioned. The system will use Web service on Visual Studio C#.Net to invoke the web application system.

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A Mobile Application and Web Integration Service for Public Bicycle Sharing System (공영자전거 시스템의 모바일과 웹 통합서비스)

  • Son, JinHan;Park, DongGyu
    • Journal of Korea Multimedia Society
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    • v.18 no.11
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    • pp.1351-1357
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    • 2015
  • This paper proposes and implements a mobile service and web service integration for utilizing public bicycle sharing system NUBIJA. The NUBIJA system is operated by Changwon City, GyeongNam since 2008 and maintains 247 unattended bicycle sharing terminal on the city. Average users per day of the NUBIJA are more than 8,000 and many users want to get more services from their mobile phones. We implemented realtime mobile bicycle rental and return information service. The informations are acquired from each terminal kiosks and we integrated the information and location based services(LBS) on iOS and Android platform. In this paper, we described an integration services between web and mobile application and shows graphical user interface for highly customized on mobile platforms.