• 제목/요약/키워드: rule-based design

검색결과 824건 처리시간 0.03초

RBAC 정책기반의 Rule-DB를 이용한 네트워크 침입차단 시스템 설계 및 구현 (A Design and Implement of Network Intrusion Protection System using Rule based DB and RBAC Policy)

  • 박명호;육상조;이극
    • 한국정보과학회:학술대회논문집
    • /
    • 한국정보과학회 2003년도 가을 학술발표논문집 Vol.30 No.2 (1)
    • /
    • pp.745-747
    • /
    • 2003
  • RBAC(Role-Base Access Control)은 호스트상의 유저(User)들에게 Role을 적용하여 호스트를 분산 관리하는 방식이다. 본 논문에서는 RBAC방식을 응용하여 Role을 네트워크의 호스트에 적용해서 네트워크 자원 사용에 제한을 두는 침입차단 방식을 제안한다. 그리고 Rule의 적용을 메뉴화하여 선택함으로 Rule적용의 편이성에 기여하는 불법적이고 불필요한 사용을 방어할 수 있는 네트워크 침입차단 시스템을 설계 및 구현을 한다.

  • PDF

형광 표시관 부품의 금형 자동설계 시스템에 관한 연구 (A Study on the Development of CAD System for VFD Element Tools)

  • 박상봉
    • 한국정밀공학회:학술대회논문집
    • /
    • 한국정밀공학회 1997년도 춘계학술대회 논문집
    • /
    • pp.724-728
    • /
    • 1997
  • A CAD system of grid element for vacuum fluorescent disply has been developed. In order to reduce design man-houre and human erros, it is used to automate the design process using a knowledge base system. In the case of VFD product design, the most important consideration is the short-life cycle. So the development of CAD system for VFD product is needed. The developed system is based on the knowledge base system which is involved in a lot of expert's technology in the practice field. Using C-language under the HP-UNIX system, CIS customer language of the EXCESS CAD/CAM is used as the overall CAD environment. Results of this system will provide effective aids to the designer in this field

  • PDF

철골구조설계 지침서로서의 Hyperdocument에 관한 고찰 (On The Hyperdocument As A Companion For Structural Steel Designers)

  • 정영식;이재연
    • 한국전산구조공학회:학술대회논문집
    • /
    • 한국전산구조공학회 1997년도 가을 학술발표회 논문집
    • /
    • pp.181-188
    • /
    • 1997
  • This work proposes possible use of the hyperdocument as a companion for structural steel designers and also as a part of any expert system to be used for the design of steel structures. AISC Specification for Structural Steel Buildings - Allowable Stress Design and Plastic Design, June 1, 1989-has been thoroughly hyperdocumented. Database for the most of AISC standard sections has been built for easier reference to sectional properties and even for search for the relevant sections. Hardy and wxCLIPS from AIAI, The University of Edinburgh were used as development tools. Hardy is integrated with NASA's rule-based and object-oriented language CLIPS 6.0 to enable users to rapidly develop diagram-related applications. Currently this work does not include any sophisticated rule-bases. Rather, this work will form a part of the expert systems for the steel structural design to be developed later. Nevertheless, the hyperdocument of this work will make a good companion for structural steel designers in its own right.

  • PDF

수입 화물의 위험 기반 검사(RBI)를 위한 규칙 기반 위험 분류 알고리즘의 설계 및 구현 (Design and Implementation of a Rule-based Risk Classification Algorithm for Risk-based Inspection (RBI) of Imported Goods)

  • 차주호;허훈
    • 디지털산업정보학회논문지
    • /
    • 제19권3호
    • /
    • pp.129-136
    • /
    • 2023
  • In this paper, we describe a rule-based risk classification algorithm to perform Risk-based Inspection (RBI) on imported goods at customs. The RBI system is a method to automatically select which cargos have to be inspected and manage potential risks in boarder. In this study, we designed a rule-based risk classification algorithm for RBI solutions and implemented them using the Svelte web application framework. The risk classification algorithm proposed in this paper uses different indicative risk factors such as HS code, country of origin, importer's reliability, trade relationships, and logistics routes to classify cargos into Green, Yellow, and Red channels. To achieve this, we assigned risk categories to each risk factor and randomly generated risk scores within a specific range for each risk category. This system is expected to contribute to the increased efficiency of customs operations and protect public safety by minimizing the risk of imported hazardous materials.

Design of Hard Partition-based Non-Fuzzy Neural Networks

  • Park, Keon-Jun;Kwon, Jae-Hyun;Kim, Yong-Kab
    • International journal of advanced smart convergence
    • /
    • 제1권2호
    • /
    • pp.30-33
    • /
    • 2012
  • This paper propose a new design of fuzzy neural networks based on hard partition to generate the rules of the networks. For this we use hard c-means (HCM) clustering algorithm. The premise part of the rules of the proposed networks is realized with the aid of the hard partition of input space generated by HCM clustering algorithm. The consequence part of the rule is represented by polynomial functions. And the coefficients of the polynomial functions are learned by BP algorithm. The number of the hard partition of input space equals the number of clusters and the individual partitioned spaces indicate the rules of the networks. Due to these characteristics, we may alleviate the problem of the curse of dimensionality. The proposed networks are evaluated with the use of numerical experimentation.

Design of Tree Architecture of Fuzzy Controller based on Genetic Optimization

  • Han, Chang-Wook;Oh, Se-Jin
    • 융합신호처리학회논문지
    • /
    • 제11권3호
    • /
    • pp.250-254
    • /
    • 2010
  • As the number of input and fuzzy set of a fuzzy system increase, the size of the rule base increases exponentially and becomes unmanageable (curse of dimensionality). In this paper, tree architectures of fuzzy controller (TAFC) is proposed to overcome the curse of dimensionality problem occurring in the design of fuzzy controller. TAFC is constructed with the aid of AND and OR fuzzy neurons. TAFC can guarantee reduced size of rule base with reasonable performance. For the development of TAFC, genetic algorithm constructs the binary tree structure by optimally selecting the nodes and leaves, and then random signal-based learning further refines the binary connections (two-step optimization). An inverted pendulum system is considered to verify the effectiveness of the proposed method by simulation.

연관규칙 마이닝을 이용한 개인화된 추천시스템 (Personalized Recommand System Using Mining for the Association Rule)

  • 성창규;류길수;김태진
    • 한국마린엔지니어링학회:학술대회논문집
    • /
    • 한국마린엔지니어링학회 2005년도 전기학술대회논문집
    • /
    • pp.246-250
    • /
    • 2005
  • Recommand Systems are being used by an ever-increasing number of E-Commerce to help customers find products to purchase. Recommend Systems offer a technology that allows personalized recommendations of items of potential interest to users based on information about similarities and dissimilarities among different customers tastes. In this paper, we design and build a Recommend System using the historical customer movie purchase transactions and extracts the knowledge needed to make association recommendations to new customers.

  • PDF

Sliding diagonal Pattern에 의한 Memory Test circuit 설계 (Design of Memory Test Circuit for Sliding Diagonal Patterns)

  • 김대환;설병수;김대용;유영갑
    • 전자공학회논문지A
    • /
    • 제30A권1호
    • /
    • pp.8-15
    • /
    • 1993
  • A concrete disign of memory circuit is presented aiming at the application of sliding diagonal test patterns. A modification of sliding diagonal test pattern includes the complexity reduction from O(n$^{32}$) to O(n) using parallel test memory concept. The control circuit design was based on delay-element, and verified via logic and circuit simulation. Area overhead was evaluated based on physical layout using a 0.7 micron design rule resulting in about 1% area increase for a typical 16Mbit DRAM.

  • PDF

Combined effect of the horizontal components of earthquakes for moment resisting steel frames

  • Reyes-Salazar, Alfredo;Juarez-Duarte, Jose A.;Lopez-Barraza, Arturo;Velazquez-Dimas, Juan I.
    • Steel and Composite Structures
    • /
    • 제4권3호
    • /
    • pp.189-209
    • /
    • 2004
  • The commonly used seismic design procedures to evaluate the maximum effect of both horizontal components of earthquakes, namely, the Square Root of the Sum of the Squares (SRSS) and the 30-percent (30%) combination rules, are re-evaluated. The maximum seismic responses of four three-dimensional moment resisting steel frames, in terms of the total base shear and the axial loads at interior, lateral and corner columns, are estimated as realistically as possible by simultaneously applying both horizontal components. Then, the abovementioned combination rules and others are evaluated. The numerical study indicates that both, the SRSS rule and the 30% combination method, may underestimate the combined effect. It is observed that the underestimation is more for the SRSS than for the 30% rule. In addition, the underestimation is more for inelastic analysis than for elastic analysis. The underestimation cannot be correlated with the height of the frames or the predominant period of the earthquakes. A basic probabilistic study is performed in order to estimate the accuracy of the 30% rule in the evaluation of the combined effect. Based on the results obtained in this study, it is concluded that the design requirements for the combined effect of the horizontal components, as outlined in some code-specified seismic design procedures, need to be modified. New combination ways are suggested.

규칙 기반 라우팅 구성 장애 관리 시스템의 설계 및 구현 (Design and Implementation of Rule-based Routing Configuration Fault Management System)

  • 황태인;황태인;안성진
    • 한국통신학회논문지
    • /
    • 제25권8A호
    • /
    • pp.1085-1095
    • /
    • 2000
  • 이 논문에서는 시스템의 라우팅 구성 장애를 진단하고 복구하기 위한 규칙과 알고리즘을 제시하고 이를 이용하여 피관리 시스템에서 발생한 라우팅 구성장애를 자동으로 관리할수 있는 시스템을 JAVA를 이용하여 설계하고 구현하였다. 라우팅 구성장애 관리를 위하여 네트워크 구성 관리 생성 규칙 라우팅 구성장애 진단 생성규칙 라우팅 구성 장애 복구 생성규칙을 제안하였으며 후향 추론 알고리즘을 기반으로 이런 생성규칙간의 상호 연동을 위하여 메타 규칙을 적용하여 시스템을 구현하였다 구현한 시스템을 시나리오에 기반하여 규칙 Blackboard 목표의 변화과정을 보여줌으로써 실험결과를 제시하였다. 이 논문에서는 이질적으로 급변하는 네트워크 환경에 능동적으로 대처할수 있는 시스템 구현을 통해서 시스템의 라우팅 구성장애 관리에 드는 비용과 시간을 줄이고 시스템의 네트워크 구성 장애 관리를 위한 방법론을 제시하고자 한다.

  • PDF