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金庚昶,姜恩浩 弘益大學校 科學技術硏究所 2002 科學技術硏究論文集 Vol.13 No.-
The logistics market in Korea is in its infancy centered on simple transport and delivery infrastructure. In contrast, successful logistics service companies enjoy fast growth and high profit using advanced information systems and logistics technology based on worldwide network connectivity, with the market growth in double digits every year. This was possible because they built the appropriate state of the art logistics system in light of the importance of e-commerce and the ever-increasing use and growth of the Internet. The development of a messaging system enables the automatic processing of mail packages by processing queries in real time for logistics information such as the vehicle used in the delivery of a mail package among others. The consequence is user satisfaction and enhances user credibility that enables long-term relationship with the customers and helping the logistics company grow and be competitive. In this paper, we describe the design and implementation of a messaging system based on XML that provide the infrastructure for efficient e-logistics system.
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金景昌 慶熙大學校 1969 論文集 Vol.6 No.-
As a round of measure for the prolonged war against China, the Japanese imperialism turned their attention to the South pacific for a storage house of war materials. The annual petroleum production capacity of the them Dutch Indies (present Indonesia) amounted to some 8 million tons (which was equivalent to about 20 times as much as the then Japanese production capacity). The dependency of the Dutch Indies upon the U.S. and the United Kingdom(U.K. hereinafter) was extremely firm, because the Netherlands were then undertaking part of the Anglo-American economic warfare strategy against Japan. Since October 1940 the Japanese government was engaged in negotiation with the authorities of the Dutch Indies for the acquisition of war resources, especially petroleum resources. However, from this negotiation resulted no siginificant outcome mainly due to the fact that the Japanese negotiation was not truly with the Dutch Indies authorities but in fact was with the U.S. and the U.K. Under the circumstances, case Japan exercised the use force a gains the Dutch Indies, which were then in close alliance with the U.K., the latter would not have stood idele, and Japan, in tern, in reaction might have used force against Malay. In spit of this, Japan came to decide that to acquire military bases in French Indo-China and hopefully also in Thailand was indispensible for the realization of her objectives. Apart from the expansion policy towards the South Pacific, natural resournces in French Indo-China and Thailand such as rice, rubber and copper were considered to the Japanese as indispensible war materials for them in the prolonged war against China. Just at that time, a border conflict occurred between French Indo-China and Thailand (since November 1940) affording Japan opportune pretext to intervene for mediation and hereby to exert political and military pressures against both countries. Finally, on July 26, 1941 Japan occupied Southern French Indo-China (Northern French Indo-China was previously occupied in September, 1940). This posed a direct threat to the U.K's position in Maly and Burma and to the U.S. position in the Philippine Islands. As a result, when the Japanese occupation of Southern French Indo-China became decisive, the U.S. the U.K. on July 26 and the Nether lands the following day, respectively, froze their assets and started retaliating against Japan by oil embargoes. Prior thereto, U.S. President Franklin D. Roosevelt had proclaimed serous proposal; if Japan forsake her intention to dominate or stop dominating French Indo-China, he will do all his powers to have French Indo-China solemnly and obligatorily declared as a neutralized area by all the governments of China, the U.K, the Netherlands, and the U.S.(to which was Thailand subsequently added), provided that Japan also pledged herself to the same. That is, no nation concerned shall initiate aggressive military action or any other militaristic domination against French Indo-China. The response of the Japanese government to this proposal was conveyed on August 6 to the American government, but therein was contained no reference to President Roosevelts's proposal concerning neutralization of French Indo-China, Instead, Japan conterproposed: The U.S. (1) abolish trade restrictions imposed against Japan, (2) forsake the defense of the Philippine Islands, (3) Discontinue assistances to the U.K., the Netherland Indies and China, (4) endorse the priviliged military, political and economic position of Japan in French Indo-China; (5) Japan will station her armed forces nowhere except in the South-Western Pacific area of French Indo-China. But, so long as Japanese forces were kept stationed in French Indo-China, the Philippine Islands, the Netherland Indies and the British territories in the Far East remained under the Japanese threat from French Indo-China. Because of this, conciliatory negotiations between the U.S. and Japan initiated since March of that same became stalemated, and there was no alternative for the U.S. but to make decision on how to confront the Japanese in view of their above response. Thus, due to the domination Southern French Indo-China by the Japanes armed forces, the U.S. and the U.K. came under the common threat of the Japanese imperialism.U.S.President Roosevelt and British Prime Minister Winston S. Churchill conferred together on the Atlantic Ocean from 9 to 14 August to discuss strategic matters concerning, the Japanese expansion policy towards the South. The outcome of this conference is the famous joint declaration between the U.S. and the U.K., called "Atlantic Charter." The Japanese occupation of the Southern French Indo-China was the last clear danger singnal in the series of the impending relations between the U.S. and Japan. In between this incident (Southern French Indo-China occupation by Japan) and the start of the World WAR Ⅱ between the U.S. and Japan, the U. S. could buy enough time in which to make war preparations, and Japan on her own part, since her occupation of French Indo-China, accelerated her pace in preparing war against the U.S. and U.S. finally ventured a savage attack against the Pearl Harbor on December 8, 1941 without any previous declaration of war of formal termination of diplomatic relations.
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金庚昶 弘益大學校 科學技術硏究所 1994 科學技術硏究論文集 Vol.5 No.-
In this paper, we address the log structure in a page-server environment, page-server environment means that client accesses data item directly, after requestes and receives a specific page. We accept client-server EXODUS storage manager as a base model in a page-server environment. Our new logging technique is based on ARIES, but when applying ARIES directly in a page-server envrionment, many problems can arise including client recovery problem, redo/undo problem, and assigning LSN problem. In this paper, to solve these problems, we use timestamp when assigning LSN and maintain log for each client. We suggest Commit-Log-Record(CLR). Commit-Transaction-Record(CTR) for recovering server by unit of each page.
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김경창 한국정보과학회 1992 정보과학회지 Vol.10 No.5
멀티미디어 데이타베이스에서는 영상(image), 음향(sound) 등과 같은 멀티미디어 데이타의 복잡한 구조로 인해 데이타 조작이 기존의 데이타베이스에서 처럼 단순하지 않다. 데이타베이스로부터 멀티미디어 데이타를 검색하는데 있어서 중요한 것은 사용자의 질의와 멀티미디어 데이타의 내용(content)를 매칭하는 것이다. 일반적인 해결책은 키워드를 사용하거나 멀티미디어 데이타의 내용과 사용자 질의를 묘사하고 있는 텍스트 묘사(text description)를 사용하는 것이다. 이 때의 주된 문제점은 사용자나, 다른 시점의 같은 사용자가 동일한 개체(entity)를 다르게 서술하여 멀티미디어 데이타 내용의 묘사(description)와 사용자 질의의 묘사가 정확하게 매치되게 못하는 데 있다. 그러므로 멀티미디어 데이타를 검색하는 동안에, 저장된 멀티미디어 데이타와 사용자 질의의 묘사들간에 근사(approximate)매치가 통상 요구된다. 본 논문에서는 객체지향 및 자연어 인식 기법을 통합하여 근사매치에 지능적(intelligent)으로 접근하는 방법을 제안한다.
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