• Title/Summary/Keyword: Assessment Module

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A Study on the Development of the Quality Assessment Modules of Database System (데이터베이스 시스템 품질 평가 모듈 개발에 관한 연구)

  • Park, Mi-Young;Kim, Min-Jung;Seung, Hyon-Woo
    • Journal of Korean Library and Information Science Society
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    • v.39 no.4
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    • pp.305-329
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    • 2008
  • This study is to develop quality assessment module to apply database system quality assessment thus, recognizing necessity of database system quality improvement maturity model. To manage and improve of database system quality, assessment module is needed to assess database system quality systematically. This study is to perform for the purpose of follows. First, this study is to select quality characteristics and sub characteristics on based on ISO/IEC 9126 series and to develop assessment module for database system quality assessment. Second, this study is to compare and to analysis about quality assessment characteristics of two groups. This study is to have significance to apply quantitative assessment in theoretical and practical basis and is to applicate basic materials of study in database system quality assessment. Also, in succeeding study, it will be to develop of database system quality improvement maturity model.

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Tunneling-induced Building Damage Risk Assessment System (터널굴착에 따른 인접건물 손상위험도 평가시스템)

  • Park, Yong-Won;Yoon, Hyo-Seok
    • Journal of the Korean Geotechnical Society
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    • v.18 no.3
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    • pp.51-59
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    • 2002
  • This paper deals with development of a damage risk assessment system for adjacent buildings to under-passing tunnel face considering 3D-ground movement. The system consists of building and ground information module, monitoring data module, settlement evaluation module, and building damage risk assessment module. The major modules, settlement evaluation module and building damage assessment module, are based on settlement estimation model suggested by Attewell et al (1982) and the building damage assessment method by Mair et al. (1996). After estimating 3D-ground movements due to tunneling with settlement evaluation module, damage assessment far buildings is performed using building damage risk assessment module. The developed system has two major functions; 1) calculation of 3D-settlement with ground loss ($V_{s}$)or maximum settlement ($w_{max}$) and inflection point (i) using various empirical formulae, monitoring data, numerical results, and so on; 2) assessment of damage risk for adjacent buildings of arbitrary section with position change of tunnel face. The field data given by Boscadin and Cording (1989) leer the case of two-storied masonry building near the Metro tunnel in Washington D.C. was simulated to verify the applicability of the developed system.

Assessment Module Formulation for the Trapped-Oil Recovery Operations from Sunken Vessels (침몰선 잔존유 회수작업 평가모듈 개발에 관한 연구)

  • Kang, Kwang-gu;Lee, Eun-bang
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.27 no.1
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    • pp.88-96
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    • 2021
  • When oil tankers, large passenger ships and cargo ships sink under the sea owing to various maritime accidents, the residual cargo oil or fuel oil in the such vessels could pose direct risk to factor for the marine environment and it require safe and rapid removal. Although domestic and foreign salvage companies are adopting various recovery methods and technologies with customizations according to each site during recovery operations studies on reasonable assessment modules for the operation process are relatively insufficient. In this study, the data from trapped-oil recovery operations performed at different site conditions were collected and analyzed in order to designed an operation assessment module, define the operational process steps in terms of preparation, implementation and completion, and derive key factors for each detailed process. Subsequently, the module was designed in such a way as to construct performance indicators to assess these key factors. In order to exclude subjective opinions from the assessment as much as possible, the assessment each item was constructed with indicators based on data that could be evaluated quantitatively and its usefulness was verified by applying the module to the trapped-oil recovery operation cases. We expect this the method and the technology assessment module for the trapped-oil recovery operation on sunken vessels will help to verify the adequacy of the trapped-oil recovery such operation before or after. Furthermore, it is expected that the continuous accumulation of assessment data and feedback from past or future operation cases will contribute toward enhancing the overall safety, efficiency and field applicability of trapped-oil recovery operation.

A Note on E-Learning Dynamic Assessment with Fuzzy Estimations

  • Orozova Daniela;Kim Tae-Kyun;Kim Yung-Hwan;Park Dal-Won;Seo Jong-Jin;Atanassov Krassimir;Kang Dong-Jin;Rim Seog-Hoon;Jang Lee-Chae;Ryoo Cheon-Seoung
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.5 no.3
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    • pp.179-182
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    • 2005
  • A model of an assessment module has been created, using intuitionistic fuzzy estimations, which render account on the knowledge of the trained objects. The final mark is determined on the basis of a set of evaluation units. An opportunity is offered no only fur tracing the changes of the parameters of the trainer object, but there is also an opportunity of tracing the status of the already comprehended knowledge, as well as evaluating and changing the training themes and evaluation criteria.

A Study on the Development of Railway Risk Assessment Information Management System (철도 위험도평가 전산시스템(RAIMS)의 설계 및 개발에 관한 연구)

  • Park, Chan-Woo;Kwak, Sang-Log;Park, Joo-Nam;Wang, Jong-Bae
    • Proceedings of the KSR Conference
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    • pp.1059-1064
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    • 2006
  • Risk assessment of a railway system should be periodically conducted managing a large amount of accumulating accident/incident data and scenarios, which generally requires enormous time and efforts. Therefore, special information management system is essential for railway risk assessment, where data needed for decisions on managing the railway safety could be promptly supported. In this study, we develop the framework of a railway risk assessment information management system (RAIMS). The RAIMS is composed of two main modules: 1) hazard data processing module; 2) and risk assessment module. Hazard data could be turned into risk information using these two modules. The RAIMS will be useful in finding hazard conditions, quantitatively assessing the risk, and providing pertinent risk measures, eventually serving to prevent railway accidents and reduce severities of railway accidents.

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Development of GIS Based Risk Assessment System for Adjacent Structures Due to Tunnelling-Induced Ground Movements in Urban (GIS기반을 이응한 도심지 터널굴착에 따른 인접 구조물 손상평가 시스템 개발)

  • 윤효석;박용원;오영석;김제규
    • Proceedings of the Korean Geotechical Society Conference
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    • pp.493-500
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    • 2001
  • The construction of bored tunnels in soft ground inevitably causes ground movements. In the urban environment these may be of particular significance, because of their influence on buildings, other tunnels and services. The prediction of ground movements and the assessment of the potential effects on the structures is therefore an essential aspect of planning, design and construction of a tunnelling project in the urban environment. In this study, to minimize the effect of tunnelling-Induced ground movements on the adjacent structures, a system for tile settlement risk management was developed. The GIS based risk assessment system for adjacent structures developed in this study consists of several modules such as building information module, settlement evaluation module, potential risk assessment module for adjacent structures, and analysis module for monitoring data. This system focuses on controlling and managing construction processes that may lead to settlement In the surrounding buildings and can contribute to producing the optimum technical and economic design.

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Theoretical Exploration of a Process-centered Assessment Model for STEAM Competency Based on Learning Progressions (학습발달과정에 근거한 과정중심 STEAM 역량 평가 모델에 대한 이론적 탐색)

  • Ryu, Suna;Kwak, Youngsun;Yang, Sung Ho
    • Journal of Science Education
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    • v.42 no.2
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    • pp.132-147
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    • 2018
  • The goal of this research is to suggest a theoretical process-centered assessment model based on Learning Progressions of key competencies in the context of STEAM instructions. The "Process-Products Combined Module-type (P2CM) STEAM Assessment Model (P2CM STEAM Assessment Model, hereafter) can be used both as an instructional model and as an assesment model, applicable for various STEAM topics and instructional types. consists of 3 axes. The first X axis stands for 4C competencies that should be emphasized through STEAM instruction. The second Y axis stands for the types and the hierarchy of STEAM instructions. The third Z axis stands for the assessment standards based on LP. We also exemplified an assessment module combined creativity competency with creativity-based instruction based on . Based on the research results, we suggested elaboration of assessment models based on Korean LP research outcomes, development and supply of formative assessment models through field-based in-depth research, modification of formative assessment models with the participation of teacher communities and in-service teachers, and the necessity of further research on assessment models for tracking LP.

Correlation analysis of linguistic factors in non-native Korean speech and proficiency evaluation (비원어민 한국어 말하기 숙련도 평가와 평가항목의 상관관계)

  • Yang, Seung Hee;Chung, Minhwa
    • Phonetics and Speech Sciences
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    • v.9 no.3
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    • pp.49-56
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    • 2017
  • Much research attention has been directed to identify how native speakers perceive non-native speakers' oral proficiency. To investigate the generalizability of previous findings, this study examined segmental, phonological, accentual, and temporal correlates of native speakers' evaluation of L2 Korean proficiency produced by learners with various levels and nationalities. Our experiment results show that proficiency ratings by native speakers significantly correlate not only with rate of speech, but also with the segmental accuracies. The influence of segmental errors has the highest correlation with the proficiency of L2 Korean speech. We further verified this finding within substitution, deletion, insertion error rates. Although phonological accuracy was expected to be highly correlated with the proficiency score, it was the least influential measure. Another new finding in this study is that the role of pitch and accent has been underemphasized so far in the non-native Korean speech perception studies. This work will serve as the groundwork for the development of automatic assessment module in Korean CAPT system.

Development of Elastic-Plastic Fracture Mechanics Evaluation Program for Leak-Before-Break Analysis of Nuclear Piping (원전 배관 파단전누설 평가를 위한 탄소성 파괴역학 평가 프로그램 개발)

  • Park, Jun-Geun;Huh, Nam-Su;Kim, Ye-Ji;Lee, Sang-Min
    • Transactions of the Korean Society of Pressure Vessels and Piping
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    • v.16 no.2
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    • pp.35-46
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    • 2020
  • In this paper, a fracture mechanics evaluation system which can be used to assess the leak-before-break (LBB) of nuclear piping is developed. Existing solutions for calculating the fracture mechanics parameters (J-integral and crack opening displacement) required for LBB evaluation were firstly presented. Then a module for calculating J-integral and COD was developed, with an additional module for predicting the critical load based on the crack driving force diagram to finally develop a fracture mechanics evaluation system. To confirm the validity of the proposed evaluation system, finite element (FE) analysis was performed, and the FE J-integral and COD results were compared with prediction results using the J-integral and COD estimations program. Furthermore, the critical load assessment module was verified by comparing the actual pipe test results (Battelle test data) with prediction results using the proposed program.

A Novel Collision Avoidance System to Prevent Navigator's Human Error - Development Concepts - (해기사 인적오류 예방이 가능한 새포운 선박충돌회피 시스템 개발 개념)

  • Yim, Jeong-Bin
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.264-264
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    • 2019
  • The purpose of this paper is to establish development concepts for a novel collision avoidance system with preventing function of navigator's human error (Hu-CAS) in ship control behaviors. Hu-CAS consists of four modules: 1) collision risk assessment module to estimate collision priority between the ship and objects, 2) decision-making module to decide collision risk levels, 3) parameter estimation module needed in the ship control to avoid collisions and 4) control system to control the rudder angle and speed. Hu-CAS, proposed in this paper, can provide a novel system substitution current Autopilot and/or a CAS be teen manned vessel and Autonomous ship in a future.

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