• Title/Summary/Keyword: National Technology Bank

Search Result 274, Processing Time 0.028 seconds

Extending Korean PropBank for Korean Semantic Role Labeling and Applying Domain Adaptation Technique (한국어 의미역 결정을 위한 Korean PropBank 확장 및 도메인 적응 기술 적용)

  • Bae, JangSeong;Oh, JunHo;Hwang, HyunSun;Lee, Changki
    • Annual Conference on Human and Language Technology
    • /
    • 2014.10a
    • /
    • pp.44-47
    • /
    • 2014
  • 한국어 의미역 결정(Semantic Role Labeling)은 주로 기계 학습에 의해 이루어지며 많은 말뭉치 자원을 필요로 한다. 그러나 한국어 의미역 결정 시스템에서 사용되는 Korean PropBank는 의미역 부착 말뭉치와 동사 격틀이 영어 PropBank의 1/8 수준에 불과하다. 따라서 본 논문에서는 한국어 의미역 결정 시스템을 위해 의미역 부착 말뭉치와 동사 격틀을 확장하여 Korean PropBank를 확장 시키고자 한다. 의미역 부착 말뭉치를 만드는 일은 많은 자원과 시간이 소비되는 작업이다. 본 논문에서는 도메인 적응 기술을 적용해보고 기존의 학습 데이터를 활용하여, 적은 양의 새로운 학습 말뭉치만을 가지고 성능 하락을 최소화 할 수 있는지 실험을 통해 알아보고자 한다.

  • PDF

The Effect of Choice Attributes of Internet primary bank on Satisfaction and Behavioral Intention

  • Jung, Ji-Hee;Shin, Jae-Ik
    • Journal of the Korea Society of Computer and Information
    • /
    • v.24 no.9
    • /
    • pp.143-150
    • /
    • 2019
  • In recent years, interest in internet primary bank has increased in South Korea, and marketing strategies for the success of the bank are needed. The purpose of this study is to analyze the effect of bank choice attributes on satisfaction and behavioral intention of Internet primary bank users. A convenience sampling was used and a structural equation of AMOS 20.0 was used for hypothesis testing. The results of the study are as follows. First, information, transaction, and communication of the choice attributes have positive effects on satisfaction. Second, information, transaction, and communication of the choice attributes have positive effects on behavioral intention. Third, satisfaction has a positive effect on behavioral intention. The theoretical and practical implications and limitations of the research are presented in the conclusion.

Design of High-Power Switched Filter Bank for Harmonic Suppression (하모닉 제거용 고전력 스위치 필터뱅크 설계)

  • Lee, Byeong-Nam;Park, Dong-Chul
    • Journal of the Korea Institute of Military Science and Technology
    • /
    • v.11 no.3
    • /
    • pp.146-153
    • /
    • 2008
  • High-power communication jammer has to include the switched filter bank to eliminate the harmonic signals generated by amplifier. Generally, the switched filter bank consists of in-out switches and several filters. This paper describes the design of high-power switched filter bank, particularly the high-power filter bank operating over 20$\sim$110MHz frequency range. The filters designed have insertion loss less than 0.3dB, VSWR less than 1.25:1, and harmonic suppression more than 35dB. Also, the switched filter bank can endure upto 2kW high-power signal with very low harmonic level within $30{\mu}s$ switching speed.

Financial Development, Business Cycle and Bank Risk in Southeast Asian Countries

  • TRAN, Son Hung;NGUYEN, Liem Thanh
    • The Journal of Asian Finance, Economics and Business
    • /
    • v.7 no.3
    • /
    • pp.127-135
    • /
    • 2020
  • The paper aims to examine whether business cycles affect the link between financial development and bank risk, measured by Zscore and non-performing loans to total loans in six Southeast Asian countries, namely Indonesia, Philippines, Malaysia, Singapore, Thailand and Vietnam. This study uses a sample of 95 listed commercial banks over a 15-year period between 2004 and 2018 in the six Southeast Asian countries. This study employs panel OLS regression and modifications to tackle issues such as endogeneity and heteroscedasticity. The results show that the impact of stock market development (the ratio of the market capitalization to GDP) on Zscore is significantly positive, whereas its effect on non-performing loans is significantly negative. The findings suggest that financial development, in terms of stock market capitalization, improves banks' Zscores and reduces their level of non-performing loans, suggesting that financial development on average reduces bank risk. The impact of business cycle is insignificant towards bank risk, thus rejecting both counter- and pro-cyclical hypotheses, except for the case of risk indicator of loan loss provisions. Examining the joint effect of the business cycle and financial development on bank risk, we find that the phase of business cycles generally does not moderate the link between financial development and bank risk.

A study on the hydrodynamic forces acting on a GT 4,000 tonnage fishery training vessel in the proximity of semi-circle bank wall (반원 형상의 측벽 부근을 항행하는 4,000톤급 어업실습선에 미치는 유체력에 관한 연구)

  • Chun-Ki LEE;Kyung-Jin RYU;Yoo-Won LEE;Su-Hyung KIM
    • Journal of the Korean Society of Fisheries and Ocean Technology
    • /
    • v.59 no.4
    • /
    • pp.336-343
    • /
    • 2023
  • The aging fishery training vessels from the past have mostly been decommissioned, and many universities are introducing state-of-the-art large fishery training vessels. The purpose of these training vessels is to train marine professionals and above all, safety to prevent marine accidents should be of utmost priority as many students embark on the vessel. This study estimated the impact of the hydrodynamic interaction forces acting on the model vessel (fishery training vessel) from the bank when the vessel pass near the semi-circle bank wall in various conditions through the numerical calculation, especially concerning maneuvering motions of the vessel. For estimation, variables were mainly set as the size of the semi-circle shape, the lateral distance between the bank and the model vessel, and the depth near the bank. As a result, it was estimated that, in order for the model vessel to safely pass the semi-circle bank wall at a speed of 4 knots, the water depth to the vessel draft ratio should be 1.5 or more (approximately 8 m of water depth), and the lateral distance from the semi-circle bank wall should be 0.4 times the model vessel's length (Lpp) or more (a distance of 34 m or more). Under these conditions, it was expected that the model vessel would pass without significantly being affected by the bank wall.

Growth of Loan Distribution and Bank Valuation: Evidence from Vietnam

  • HOANG, Lam Xuan;HOANG, Phi Dinh;DANG, Duong Quy
    • Journal of Distribution Science
    • /
    • v.18 no.5
    • /
    • pp.5-13
    • /
    • 2020
  • Purpose: The aim of this article is to test the link between growth of loan distribution and Bank Valuation in Vietnam's banking sector. At the same time, the study also compared the differences in the effect of growth of loan to valuation bank in banks of different sizes, ownership rates and bank values. Research design, data and methodology: With panel data estimation techniques along with robust standard error for a sample of the banks listed on Vietnam stock exchange from 2012 to 2019. Results: Growth of loan has a positive impact on Bank Valuation (by Tobin's Q). A closer investigation provides evidence for the differential valuation effect of loan growth depending on different features of banks. Specifically, loan growth is found positively and significantly associated with Bank Valuation in small and non-state-owned banks only. Besides, bank size, deposit, and return on equity are found negatively associated with Tobin's Q, while loan loss provisions exhibit a positive relation with this measure of Bank Valuation. Conclusions: These findings provide contributions to the literature on the existence of the effect of loan growth on Bank Valuation. At the same time, the study also provides practical implications for policy makers in banks and investors.

A Study on Development of GenBank-based Prototype System for Linking Heterogeneous Content (GenBank를 활용한 이종의 콘텐트 연계 프로토타입 시스템 개발 연구)

  • Ahn, Bu-Young;Shin, Young-Ju;Kim, Dea-Hwan
    • Journal of Information Management
    • /
    • v.40 no.4
    • /
    • pp.109-133
    • /
    • 2009
  • Among biological information, GenBank, provided by the National Center for Biotechnology Information (NCBI)of the United States, is a representative database on genetic information and is the most widely used by researchers around the world. Korea Institute of Science and Technology Information (KISTI) visits NCBI on a regular basis and downloads the latest version of GenBank to reorganize the information gathered there into a database. This database is provided for Korean researchers of science and technology through the Bio-KRISTAL search engine, developed by KISTI. This study aims to design a service model that links information on papers, patents, and biodiversity and other contents of NDSL, an integrated service on scientific and technological information run by KISTI, with GenBank's reference and organism fields and to develop a prototype system. For this purpose, this paper explores the possibility of a linkage and convergence service between heterogeneous content by: (a) collecting GenBank data from NCBI's FTP site; (b) dividing GenBank text files into basic and reference genetic information and restructuring them into a database; (c) extracting article and patent information from the GenBank reference fields to generate new tables; and (d) leveraging data mapping technology to implement a prototype system where GenBank and NDSL data are interlinked and provided.

A Study on the Hydrodynamic Interaction Forces between Ship and Bank Wall in the Proximity of Bank (측벽부근을 항해하는 선박과 측벽간의 상호 간섭력에 관한 연구)

  • Lee, Chun-Ki;Kang, Il-Kwon
    • Journal of the Korean Society of Fisheries and Ocean Technology
    • /
    • v.40 no.1
    • /
    • pp.73-77
    • /
    • 2004
  • It is well known that the hydrodynamic interaction forces between ship and bank wall affect ship manoeuvring motions. In this paper, the calculation method based on the slender body theory for estimation of the hydrodynamic interaction forces between ship and bank wall is investigated. The numerical simulations on hydrodynamic interaction force acting on a ship in the proximity of bank wall are carried out by using this theoretical method. The theoretical method used in this paper will be useful for practical prediction of ship manoeuvrability at the initial stage of design, for discussion of marine traffic control system and for automatic control system of ship in confined waterways.

The Utilization of Customer Information in Korean Retail Bank

  • Kwak, Soo-Hwan
    • Journal of Information Management
    • /
    • v.39 no.2
    • /
    • pp.235-249
    • /
    • 2008
  • The combination of information and technology makes dramatically increase both information quality and quantity. Almost of company utilize customer information for the purpose of increasing sales amount and profitability. The purpose of this paper is to discover customer information's utilization practices in the Korean financial industry. The case of K Bank's information analysis in the inbound and outbound marketing is provided, The customer segmentation is used for the inbound marketing by using RFM analysis. And the loan card model is used for the outbound marketing by using logit analysis.

Reference Trajectory Analysis and Trajectory Control by Bank Angle for Re-Entry Vehicle

  • Cho, Kyeum-Rae;Lee, Dae-Woo
    • Journal of Mechanical Science and Technology
    • /
    • v.16 no.6
    • /
    • pp.745-756
    • /
    • 2002
  • The re-entry problem consists of guidance design and trajectory control. This paper summarizes the detailed relationships between the velocity, drag acceleration and altitude in determining reference trajectories. The computational issues are also addressed, and the performance of the proposed simple nonlinear control of a bank angle for the longitudinal/ lateral trajectory is demonstrated. In particular, the fixed bank angle methods that can reduce the drag acceleration errors at low-speeds are proposed. The importance of bank reversals with respect to the azimuth errors Is also elucidated.