• Title/Summary/Keyword: 이벤트방식

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Design and Implementation of Real-Time Parallel Engine for Discrete Event Wargame Simulation (이산사건 워게임 시뮬레이션을 위한 실시간 병렬 엔진의 설계 및 구현)

  • Kim, Jin-Soo;Kim, Dae-Seog;Kim, Jung-Guk;Ryu, Keun-Ho
    • The KIPS Transactions:PartA
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    • v.10A no.2
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    • pp.111-122
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    • 2003
  • Military wargame simulation models must support the HLA in order to facilitate interoperability with other simulations, and using parallel simulation engines offer efficiency in reducing system overhead generated by propelling interoperability. However, legacy military simulation model engines process events using sequential event-driven method. This is due to problems generated by parallel processing such as synchronous reference to global data domains. Additionally. using legacy simulation platforms result in insufficient utilization of multiple CPUs even if a multiple CPU system is under use. Therefore, in this paper, we propose conversing the simulation engine to an object model-based parallel simulation engine to ensure military wargame model's improved system processing capability, synchronous reference to global data domains, external simulation time processing, and the sequence of parallel-processed events during a crash recovery. The converted parallel simulation engine is designed and implemented to enable parallel execution on a multiple CPU system (SMP).

A Design of the Ontology-based Situation Recognition System to Detect Risk Factors in a Semiconductor Manufacturing Process (반도체 공정의 위험요소 판단을 위한 온톨로지 기반의 상황인지 시스템 설계)

  • Baek, Seung-Min;Jeon, Min-Ho;Oh, Chang-Heon
    • Journal of Advanced Navigation Technology
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    • v.17 no.6
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    • pp.804-809
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    • 2013
  • The current state monitoring system at a semiconductor manufacturing process is based on the manually collected sensor data, which involves limitations when it comes to complex malfunction detection and real time monitoring. This study aims to design a situation recognition algorithm to form a network over time by creating a domain ontology and to suggest a system to provide users with services by generating events upon finding risk factors in the semiconductor process. To this end, a multiple sensor node for situational inference was designed and tested. As a result of the experiment, events to which the rule of time inference was applied occurred for the contents formed over time with regard to a quantity of collected data while the events that occurred with regard to malfunction and external time factors provided log data only.

A study to detect and leaked personal information on the smartphone. (스마트폰 상에서의 개인정보 유출 탐지 모니터링 연구)

  • Kim, Wung-Jun;Park, Sang-Hwi;Park, Sang-No;Kim, Chang-Su;Jung, Hoe-Kyung
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2014.05a
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    • pp.606-608
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    • 2014
  • Recent smartphone users constantly increases, an increase in malicious applications smartphones indiscretions exists within the Terminal, through the deployment of privacy disclosure, Singh and other victims also are on the rise. A typical personal way to malicious code masquerading as a normal application and install it on the handset of my text message or a personal note, such as personal information, the certificate directory, is the way that leaked. Therefore, to obtain permission to attack the root Terminal event by collecting malware infections and respond to determine whether it is necessary for the technique. In this paper, check the features of a Smartphone in real time systems, to carry out a study on the application throughout the Terminal to collect my attack event analysis, malware infection can determine whether or not the mobile security monitoring system. This prevents a user's personal information and take advantage of the top and spill are expected to be on the field.

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The Virtual Model House System using Modeling-based Eyetracking (모델링 기반 시선추적을 이용한 가상모델하우스 시스템)

  • Lee, Dong-Jin;Lee, Ki-Young
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.10 no.5
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    • pp.223-227
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    • 2010
  • Since the most of existing virtual model house used non-immersive type virtual reality technology, it was made to control using direct input type device such as keyboard and mouse. But in this paper realized not only direct data entry method but also indirect data entry method using eyetracking technology through universal webcam for virtual model house based upon modeling. In this paper showed the position of pointer controlled according to the relative movement of pupils or the part of function related to the equipment entry called by comparing the value of gray after extracting the area of pupil in the user' video data received from webcam. Such a method provided the convenience of navigation and interface to the user.

Asynchronous Web Crawling Algorithm (링크 분석을 통한 비동기 웹 페이지 크롤링 알고리즘)

  • Won, Dong-Hyun;Park, Hyuk-Gyu;Kang, Yun-Jeong;Lee, Min-Hye
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2022.10a
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    • pp.364-366
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    • 2022
  • The web uses an asynchronous web method to provide various information having different processing speeds together. The asynchronous method has the advantage of being able to respond to other events even before the task is completed, but a typical crawler has difficulty collecting information provided asynchronously by collecting point-of-visit information on a web page. In addition, asynchronous web pages often do not change their web address even if the page content is changed, making it difficult to crawl. In this paper, we propose a web crawling algorithm considering asynchronous page movement by analyzing links in the web. With the proposed algorithm, it was possible to collect dictionary information on TTA terms that provide information asynchronously.

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Optical Network Monitoring Systems for Special Ships (특수 선박용 광 네트워크 모니터링 시스템)

  • Lee, Seong-Real
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.05a
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    • pp.560-563
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    • 2012
  • Hardware and software of optical network monitoring system for optical network installed in ship for providing massive information are designed and fabricated. And, we investigated whether the fabricated system will accurately monitoring three events of optical cable extension, macrobanding and ferrule dust, which are related with special situation of ship, or not through the experiment. We used the combined method of chained branch and dark fiber for designing and fabricating hardware of optical network monitoring system for optimal corresponding with network configuration in ship. And, we confirmed that the proposed system excellently trace within 5 m range of event point in all three cases by investigating each event experiments.

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Design of Mixed Integer Linear Programming Model for Transportation Planning (혼합 정수 선형 계획법을 이용한 수송 계획 모델 설계)

  • Park, Yong Kuk;Lee, Min Goo;Jung, Kyung Kwon;Won, Young-Jin
    • Journal of the Institute of Electronics and Information Engineers
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    • v.53 no.11
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    • pp.166-174
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    • 2016
  • In this paper, we developed a mixed-integer linear programming model for transportation planning of athletes in sports events. The transportation planning of athletes involves finding the lowest-cost and fastest-time plan for distributing athletes from multiple accommodation to stadium. The decision variables associate with the number of driving events, and the total transportation cost is the objective function that needs to be minimized. The proposed method uses mixed integer linear programming to solve transportation problem, thus the global optimality is guaranteed. In order to verify the effectiveness of proposed method, we performed simulation and built the sports event management service platform (SEMSP) for transportation planning.

A Rule-Base based Context-aware Middleware in Sensor Network (센서 네트워크에서의 Rule-Base 기반 상황 인식 미들웨어)

  • Kim, Geum-Lan;Kim, J.A.;Kim, S.W.;Kim, C.H.;Kim, S.K.;Park, C.J.
    • Proceedings of the Korean Information Science Society Conference
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    • 2006.10c
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    • pp.88-92
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    • 2006
  • 상황인식 처리기술은 사용자의 컨텍스트에 근거하여 사용자와 장치간의 상호 운용성을 지원해 줌으로써, 사용자로 하여금 정보 획득 및 실행을 보다 용이하게 하도록 해주는 기술이다. 여러 상황변화가 발생할 경우 이에 따라 서비스 전달 방식을 동적으로 적응시키기 위하여 상황에 대한 명시적인 요구사항을 정의하고 이 정의 된 상황을 각 노드에 전파하고 노드에 포함된 미들웨어는 전파된 상황에 적합한 센싱된 정보를 분석하여 특정한 상황의 발생과 이에 따른 액션을 수행하며 또한 센서에서 취득한 컨텍스트로 부터 통합된, 추론된 컨텍스트를 생성한다. 본 논문에서는 센서로부터 다양한 타입의 컨텍스트를 처리 할 수 있는 미들웨어를 제안한다. 이 미들웨어는 변화하는 주변 환경에서 센서로부터 센싱된 컨텍스트 뿐 아니라 통합된, 추론된 컨텍스트를 생성할 수 있도록 설계 되었다. 제안한 상황인식 미들웨어를 기반으로 사용자 질의 요청과 이벤트 상황 질의를 설계하였으며, 이벤트 상황 질의의 추론 DB를 명시하기 위하여 Clips 언어를 사용하였다.

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The Design of Proxy for CORBA Traffic Monitoring Using OSI management technology (OSI 관리 기술을 이용한 CORBA 트래픽 모니터링 프록시 설계)

  • 박재성;송왕철
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.3 no.2
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    • pp.355-362
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    • 1999
  • Traffic monitoring, a part of the system management, is a vital function lot the proper operation of a system in use. Currently OMG has been trying to standardize CORBA system management. Besides, many companies and research laboratories have been developing and studying CORBA system management. In this paper, we have designed the proxy to monitor the CORBA traffic using the OSI management technology. To manage CORBA traffic resources, 6 parameters have been made into managed objects. The monitoring system consists of a CORBA server, a proxy object and an MIB. The CORBA server is made up of a service provider, a proxy server, and a event sewer. The proxy object acts as a process of a CORBA object, and is made up of a proxy client, a event client, and an IPC server.

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A study on the Implement Battery Management System on Event-Driven Programming (이벤트 구동형 프로그래밍 환경 배터리 관리 시스템 구현에 관한 연구)

  • Oh, Chang-Rok;Lee, Seong-Won
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2011.07a
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    • pp.78-79
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    • 2011
  • 대형시스템의 배터리 관리 시스템은 일반적인 운영체제(Operation System)나 실시간 운영체제(Real Time Operation System)를 사용하여 배터리 관리 시스템을 하는 반면 휴대용 전자정보기기와 같은 소형시스템에서는 유한상태머신(Finite State Machine)을 이용한 배터리 관리 시스템을 사용한다. 이러한 대형시스템은 대부분 고성능을 요구하기 때문에 시스템을 유지하기 위해서는 막대한 비용이 들어간다. 이 결과로 상업적 제품의 가격적인 장점을 위하여 특화된 기능만을 지원하는 유한상태머신을 사용하는 배터리 관리 시스템을 많이 이용하고 있다. 최근에는 멀티미디어 기록 및 재생의 많은 전력소모를 요구하는 모바일 시스템이 많아지므로 콘텐츠 기반 배터리 관리 시스템 등 복잡한 배터리 관리 시스템을 소형기기에 적용하기 위하여 많은 연구가 진행되고 있다. 운영체제를 기반으로 하는 배터리 관리 시스템은 모바일 시스템에 사용하기에는 자체 전력소비가 많으며, 유한상태머신을 사용하는 배터리 관리 시스템은 다양한 요구와 복잡한 배터리 관리 시스템의 기능을 수용할 수 없다. 본 논문에서는 상기 두 가지 경우의 장점을 취한 이벤트 드리븐 프로그래밍(Event-Driven Programming) 방식을 사용하여 배터리 관리 시스템을 제안하고 제안된 시스템이 SBS(Smart Battery Data Specification v1.1)[1]를 만족할 수 있음을 보였다.

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