• 한국정보처리학회:학술대회논문집
• /
• 한국정보처리학회 2006년도 춘계학술발표대회
• /
• pp.501-504
• /
• 2006

본 논문에서는 텍스트로 구성된 문서에 대한 음성 변환 시스템의 각 분야에 대해 기술하고, 음성합성 기술인 TTS기반의 음성지원 일정관리 시스템 설계 및 구현 부분에 대하여 설계한다. 이를 위해서 음성합성 기술의 개념 및 원리와 구조 등을 이해하고, 시스템 설계 및 구현을 하고자 한다. 시스템 설계 구현부에는 Speech SDK 5.1(음성합성엔진)을 사용하여 음성합성 기술부분을 처리하고, 이를 바탕으로 C# 언어를 사용하여 구현한다. 기존 텍스트기반의 일정관리 시스템 설계 부분에다가 음성합성 기능을 추가하여 텍스트의 지루함을 탈피하고, 음성 기술을 접목시켰다. 본 논문에 사용되는 엔진은 영문위주의 음성합성이므로 시스템 설계 부분에 있어 음성처리 부분을 영문으로 하여 결과물을 산출하였다. 최종적으로 실험에 의해 제안한 방법의 유용성을 입증한다.

• 한국정보과학회:학술대회논문집
• /
• 한국정보과학회 2006년도 한국컴퓨터종합학술대회 논문집 Vol.33 No.1 (B)
• /
• pp.103-105
• /
• 2006

일정관리는 업무 능률을 높이기 위해 일정의 작성, 변경, 조정을 하는 것으로 체계적인 관리를 위해서는 많은 시간과 노력이 필요하다. 일정관리를 대행해주는 지능형 에이전트가 존재한다면 개인의 시간 관리에 많은 도움이 된다. 이미 Calendar Manager, Office Tracker, MS Out look 등의 많은 응용 어플리케이션이 개발되었으나, 이들은 사용자의 성향을 학습하지 않고 수동적인 관리만 하므로 일정관리에 있어서 큰 도움을 주지 못한다. 본 논문에서는 베이지안 네트워크를 이용하여 실시간으로 사용자의 행동 패턴을 모델링하는 사용자 적응적인 지능형 일정관리 에이전트를 제안하고, 정성 정량적 실험을 통해 제안하는 방법의 유용성을 보인다.

• 한국신뢰성학회:학술대회논문집
• /
• 한국신뢰성학회 2005년도 학술발표대회 논문집
• /
• pp.199-208
• /
• 2005

In the calendar and the advertising catalog, the surface Is usually coated by coating polypropylene film. The delamination failure of coating film depends on surface roughness and quality of the substrate paper. In this paper, the mechanisms of delamination failure between the coating film and the paper is investigated by using the root cause analysis as one of techniques of reliability evaluation. The papers used in failure analysis are three kind products made by two domestic and one foreign companies. It found that the main causes of delamination failure between the coating film and the paper were the creation of microvoids caused by shape of filler and their growth caused by contraction of paper.

• 한국정보처리학회:학술대회논문집
• /
• 한국정보처리학회 2008년도 춘계학술발표대회
• /
• pp.655-658
• /
• 2008

접근제어는 권한이 있는 사용자에게 데이터에 접근할 수 있도록 제한하는 것을 말한다. 본 논문에서는 웹 주소록과 일정관리 기능을 여러 사용자가 공유할 수 있게 하기 위해서 접근제어 기법을 적용한 웹사이트를 개발하였다. 접근권한을 기술하기 위하여 그룹의 개념을 도입하여 그룹일정에 대해서 공유범위를 설정할 수 있게 하였다. 한편 주소록과 일정관리 데이터를 vCard와 vCalendar 등의 마이크로포맷 표준을 도입 하였다. 그리고 최근 웹 2.0 기술로 주목받고 있는 루비 온 레일스(Ruby on Rails) 프레임워크를 사용하여 구현 하였다.

• 한국병원경영학회지
• /
• 제1권1호
• /
• pp.1-20
• /
• 1996

This study is purposed to compare PR activities among the 5 large hospitals in Seoul and Kyonggido. The research methods are used in interview survey for employees and Questionnaires survey for patients or their relatives. The 427 patients or their relatives(response rate: 85.4%) were surveyed. The hospital which is below, is more active than any others in special PR activities. 1. Distribution of hospital information books: E, P, A 2. Distribution of calendar: P 3. Broadcast in hospital: E 4. Education of employees about PR : E, A 5. Education of employees about service: all hospitals are active. The PR sectors are organized under the Department of planning(S,J,E) or CEO(P,A). And the budget of PR activities is almost a similar level among all. The degree of recognition and utilization for PR activities is not different among hopitals by the sociodemographic variables of patients. And the average of correlation ratio between recognition of each hopital's PR activities and its utilization is 62.01%(range:51.29%-67.98%) average.

• 재무관리연구
• /
• 제26권1호
• /
• pp.221-263
• /
• 2009

This paper studies the behaviour of stock prices on the ex-dividend day in the Korean stock market. Since a majority of listed Korean firms are December firms whose fiscal year end in December and whose ex-dividend day falls on the same calendar day in the year, we use stock prices of Non-December firms to estimate the general stock price movements not related to cash dividends. We estimate excess returns on days around the ex-dividend day. Our major findings are (a) there is no tax clientele effect in Korea, (b) the opening price stock prices fell by the amount of the current cash dividend per share until 2001, but it does not fall as much as the current dividend per share since 2001. Furthermore, in contrast to the U.S. and the Japanese findings, (c) stocks earned negative excess returns on the ex-dividend day until 2001, after which all stocks are earning positive excess returns on the ex-dividend day, and (d) the closing stock price on the ex-dividend day that used to be even higher than the cum-dividend price until 2001 is lower than the opening stock price since 2001. The evidence suggests a structural break has happened around the year 2001.

• 한국환경복원기술학회지
• /
• 제10권4호
• /
• pp.21-30
• /
• 2007

This study aims to understand the characteristics of dangsan forests and rural community forests (RCF), and seek for a landscape management scheme. Dangsan forests and RCF have been maintained by local residents since hundreds of years ago. However, many of them have been disturbed. The case sites were derived from the twenty villages previous investigated where dangsan forests and RCF's remainrd. The two sites were remodelled to restore what have been degraded. Hanbam village has maintained its dangsan forest with good management practices, whereas the dangsan forest and RCF of Goiran village showed relatively poor management. The size of dangsan forest at hanbam village was 13,784$m^2$, and major tree species was Pinus densiflora. In total, 151 trees with more than 30cm in DBH were standing on the site. As a cultural activity, the dangsan festival have been held in January $5^{th}$ by lunar calendar to the 2005 at the Jindongdan, a dangsan tree made of stone. The RCF of Hanbam village has disappeared due to the event of landslide in 1930, which needs to be restored. Goiran village has a dangsan forest and a RCF. The forests in Goiran village revealed many problems due to bad management practice. The prototype of the dangsan forest was deteriorated by introduced Prunus serrulata and the facilities for physical training. A systematic management scheme for dangsan forests and RCF's should be established with a close partnership among local residents, experts, and local government.

• The Journal of Asian Finance, Economics and Business
• /
• 제8권5호
• /
• pp.533-542
• /
• 2021

The main objective of this article is to investigate the existence of the lunar effect during the full moon period (FM period) and the new moon period (NM period) on the selected Islamic stock market returns and volatilities. For this purpose, the Ordinary Least Squares model, Autoregressive Conditional Heteroscedasticity model, Generalised Autoregressive Conditional Heteroscedasticity model and Generalised Autoregressive Conditional Heteroscedasticity-in-Mean model are employed using the mean daily returns data between January 2010 and December 2019. Next, the log-likelihood, Akaike Information Criterion and Schwarz Information Criterion value are analyzed to determine the best models for explaining the returns and volatility of returns. The empirical results have deduced that, during the NM period, excluding Malaysia, the total mean daily returns for all of the selected countries have increased mean daily returns in contrast to the mean daily returns during the FM period. The volatility shocks are intense and conditional volatility is persistent in all countries. Subsequently, the volatility behavior tends to have lower volatility during the FM period and NM period in the Islamic stock market, except Malaysia. This article also concluded that the ARCH (1) model is the preferred model for stock returns whereas GARCH-M (1, 1) is preferred for the volatility of returns.

• 국제학술발표논문집
• /
• The 5th International Conference on Construction Engineering and Project Management
• /
• pp.467-474
• /
• 2013

Construction contactors must continuously seek to improve their cash flows, which reside at the heart of their financial success. They require careful planning, analysis, and optimization to avoid the risk of bankruptcy, remain profitable, and secure long-term growth. Sources of cash include bank loans and retained earnings, which are conceptually similar in that they both incur a cost of capital. Financial management therefore requires accurate yet customizable modeling capabilities that can quantify all expenses, including said cost of capital. However, currently existing cash flow models in construction engineering and management have strongly simplified the manner in which interest is assessed, which may even lead to overstating it at a disadvantage to contractors. The variable nature of cash balances, especially in the early phases of construction projects, contribute to this challenging issue. This research therefore extends a new cash flow model with an accurate interest calculation. It utilizes singularity functions, so called because of their ability to flexibly model changes across any number of different ranges. The interest function is continuous for activity costs of any duration and allows the realistic case that activities may begin between integer time periods, which are often calendar months. Such fractional interest calculation has hitherto been lacking from the literature. It also provides insights into the self-referential behavior of compound interest for variable cash balances. The contribution of this study is twofold; augmenting the corpus of financial analysis theory with a new interest formula, whose strengths include its generic nature and that it can be evaluated at any fractional value of time, and providing construction managers with a tool to help improve and fine-tune the financial performance of their projects.

• 한국인터넷방송통신학회논문지
• /
• 제13권6호
• /
• pp.1-16
• /
• 2013

전화, 일정관리 등 여러 기능을 담고 있는 스마트폰, 타블릿 등은 현대인의 필수품으로 자리 잡고 있다. 이들은 제각기 무선 네트워크 기능을 가진 하나의 MN(Mobile Node)이다. 현대인에게 없어서는 안 될 MN은 광범위한 환경에서 무선 네트워크를 이용할 수 있도록 LTE/3G 환경을 이용하는 모듈을 대다수 내장하고 있으며, 추가적으로 고속으로 네트워크에 접속할 수 있도록 Wi-Fi 모듈역시 내장되어 있는 경우가 대다수이다. 기존의 네트워크 환경에서는 이러한 MN이 네트워크 간 이동성관리를 주도함으로서 MN이 처리해야할 일이 많았으나, 본 논문에서는 호스트 기반 이동성관리가 아닌 네트워크 기반 이동성관리를 이용함으로서 통신사업자가 보다 저렴한 비용으로 네트워크를 유지 및 관리할 수 있는 방법에 대해 제안하고 있다. 또한, 현대인이 많이 쓰는 LTE/3G와 Wi-Fi를 사용하여 수직 핸드오버 환경을 가정하여 성능분석을 수행하였다.