• The Journal of Information Technology
• /
• v.5 no.1
• /
• pp.39-50
• /
• 2002

In order for Internet Shopping Mall to be successful, it must have a theoretical framework that considers the characteristics of the Internet shopping mall users. But as of yet, there is virtually no such framework. The purpose of this study is to provide internet shopping mall in our country with the suggestive point in the marketing strategy for coping with our continuously changing environment on the basis of data gained through the following results of my research work. Hitting upon this situation, this research intends to classified by Cluster Analysis the I-VALS in Internet Shopping Mall. As a result, the purpose of this research is to supply useful data on establishing Department Internet Showing Mall. We used two methods. The first method was directly distributing questionnaires to cyberconsumers by use of one researcher who has been trained in people. The second method was sending E-mails, Fax, Mail designed to induce participation in questionnaires. Through these methods, we were able to obtain participation of people from across the country. Using 179 responses, we derived statistics by means of SPSS Win Version 10.0. The result of Empirical analysis is as follow : first, to pick out 9 factors from I-VALS of users of internet shopping mall. Second, as the result of there was a statistically significant difference between the I-VALS of internet shopping mall. As the result of the Cluster Analysis, I could see there classified 3 factors from I-VALS of users of internet shopping mall. We have know segmentation of internet shopping malls on the standard of user life, and partially significant difference with respect to using internet shopping mall information of I-VALS.

• 보존과학연구
• /
• s.27
• /
• pp.165-180
• /
• 2006

The research was conducted to understand type of iron used by those who lived at dwelling site of Yangsoo-ri in between the first century B.C. and the first century A.D. to make steel products and their technique such as steel making process and heat treatment, based on micro structure information obtained through microscopic metallographic structure analysis with SEM-EDS of six steel productsexhumed at the site. Key findings are summarized as below. In the sense that Si-Ca-Al style and less than 0.5% of Ti were found in the non-metallic inclusion, the material used for forged iron ware was magnetite resolved in that. It is, however, unclear whether magnetite was resolved at high temperature or at low temperature. Microscopic structure analysis revealed that forged steel products were made through repeated hot working, the technique of molding by hitting after heating in the process of resolving and molding iron. As a result, the iron used here for the products was not the iron ore which was produced through resolution from discarded cast iron axe, ingot iron. It is probable that to make those steel products, disposed-of cast iron was reused after being molded by decarburizing. Although a few of relics were analyzed for the research, they were of critical importance in defining the process of ironware production from the first century B.C. and the first century A.D. at the Yangsoo-ri region. Judging from the iron from A-19 dwellingsite, it is possible to conclude that the iron was manufactured from cast iron decarburized and yet more research has to be done into relics yetto be exhumed in order to ascertain the finding. All of these findings are believed to play a critical role in further studies to define the steel-manufacturing technique used on the central Korean peninsular in the ancient times.

• Korean Journal of Applied Biomechanics
• /
• v.16 no.4
• /
• pp.49-59
• /
• 2006

The purpose of this study was to investigate the relations between the segments of the body, the three dimensional anatomical angle according to sweep shot in ice hockey. The subjects of this study were five professional ice hockey players. The reflective makers were attached on anatomical boundary line of body. For the movement analysis three dimensional cinematographical method(APAS) was used and for the calculation of the kinematic variables a self developed program was used with the LabVIEW 6.1 graphical programming(Johnson, 1999) program. By using Eular's equations the three dimensional anatomical Cardan angles of the joint and ice hockey stick were defined. 1. In three dimensional linear velocity of blade the Y axis showed maximum linear velocity almost impact, the X axis(horizontal direction) and the Z axis(vertical direction) maximum linear velocity of blade did not show at impact but after impact this will resulted influence upon hitting puck. 2. The resultant linear velocity of each segment of right arm showed maximum resultant linear velocity at impact. It could be suggest that the right arm swing patterns is kind of push-like movement. therefore the upper arm is the most important role in the right arm swing. 3. The three dimensional anatomical angular displacement of trunk in flexion-extension showed flexion all around the wrist shot. The angular displacement of trunk in internal-external rotation showed internal rotation angle at the backswing top and and increased the angle after the impact. while there is no significant adduction-abduction. 4. The three dimensional anatomical angular displacement of trunk showed most important role in wrist shot. and is follwed by shoulder joints, in addition the movement of elbow/wrist joints showed least to the shot. this study result showed upperlimb of left is more important role than upperlimb of right.

• Korean Journal of Applied Biomechanics
• /
• v.19 no.2
• /
• pp.311-322
• /
• 2009

Using the 3-D analysis, this study winpared and analyzed the 'fade-shot swing' which is one of the golf technique. The subjects of this study were 3 male pro golfers they experimented with only a 7 iron. The purpose was to enhance their performance by producing the important kinematical parameters, finding out the features in them and providing the data to a coach and players. As a result, the position of the club head showed from the outside orbit to the inside orbit. When position of the center of mass moved backwards, the probability of the failure of the fade-shot increased. Cocking angle had an effect on easing the wrist for a smooth follow-through after the impact. It showed that the changes in the shoulder movement was made first and followed by the waist. The hip joint angular velocity achieved a smooth fade-shot motion due to the hitting delay also the velocity of the club-head was faster when uncocking was released at the time of impact.

• Journal of the Korean Society of Food Culture
• /
• v.28 no.6
• /
• pp.603-622
• /
• 2013

Egg is a food that has been loved from ancient times by people all around the world. It has been called a present from god because its rounded shape was believed to refer to the earth. We found the oldest and most perfectly preserved egg fossil at Chunmachong (天馬) in Kyungju (慶州). We believe that it was used during the period of the Three States or the unified Silla (新羅), and, accordingly, it was a noble food that has been found at the king's grave of the age. Egg, which is called egg of chicken in Korean, was written as egg of chicken (鷄卵), son of chicken (鷄子), bird's egg of chicken (鷄蛋), and round thing of chicken (鷄丸) in the Korean alphabet and Chinese characters. The ancient countries had the following myths about eggs In myths about offspring by egg, they were born as heaven's will to make them god. There were 19 proverbs: 'Hitting a rock with an egg', 'It's like the yellow part of an egg' and 'Even an egg stops when it rolls', etc. According to a theory of divination based on topography, people use eggs when they find a good place. There are 10 proverbs (四字 成語): Dongjiipran (冬至立卵), Nanyeoseoktu (卵與石投) etc. Studies for analysis of egg recipes found in the old literature (cooking, agriculture and fishing, and medical books) in the Chosun Dynasty recorded 36 times where cuisine with egg was mentioned as the main ingredient, 154 times as a sub-ingredient, 79 times as a garnish, and 20 times etc. As a garnish, they were 'finely sliced', 'thin rectangular and the rhombus form', and 'rounded shape'; after grilling they were divided into yellow and white parts. When cooked, they were used in comparison of the size or shape of an object with that of other objects.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.24 no.8
• /
• pp.978-984
• /
• 2020

In this study, the correlation between sports records and weather data was analyzed using the big data analysis method. To this end, data was collected by API and crawling, data was processed, statistics were performed, and data visualization was performed. The subject of this study was a player who entered the regular at-bat among outfielders in the 2019 KBO League. In addition, meteorological data were analyzed by using the unpleasant index and above 70 and below 70. As a result of the study, in the various hitting indicators, which are the records that pitchers intervene, the higher the unpleasant index, the better the outfielder's record, but pitchers, walks, pitches, pitching success rates, pitches per turn, pitches per game From the records of the back, it was found that the outfielder made the pitcher difficult. It is expected that this study will help the development of the sports data industry and the performance of baseball players, baseball teams, and coaching staff.

• Journal of the Korea Society of Computer and Information
• /
• v.18 no.9
• /
• pp.71-78
• /
• 2013

In this paper, the golf club head hit the golf ball moves at a constant velocity, then move in the same direction at a constant velocity of the golf club head, the velocity of the golf ball was hitting and flying the golf ball is calculated. If velocity is different before you hit the golf ball, each of the velocity of the golf ball is calculated. The purpose of this paper is to make it easy to find out the velocity of a club's head, the mass of a golf ball, the velocity or the direction of a golf ball after impact in playing golf. The results of the experiment are represented in tables and figures. And we also propose the comparison analysis between our research and other traditional ones, the implications, and futhur studies in the future. The results of this study, unlike other studies, it was can be seen that measurements of several factors superior to the measurement of the velocity of the golf ball.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.21 no.11
• /
• pp.2199-2205
• /
• 2017

The development of modern ICT technology constitutes cyber world by using infrastructure in country and society. There is no border in cyber world. Countries around the world are carrying out cyber attacks for their own benefit. A cyber killer strategy is needed to defend cyber attacks. In order to defend the cyber attack or to determine the responsibility of attack, it is important to grasp the attacker origin point. Strategic cyber kill chains are needed to strike against the attacker origin. In this paper, we study the analysis of attacker origin. And analyze the cyber kill chain for attacker origin point strike. Study the efficient and customized cyber kill chain strategy for attacking the origin point. The cyber kill chain strategy will be a practical strategy to replace the power of nuclear and missiles with asymmetric power.

• Journal of KIISE:Computing Practices and Letters
• /
• v.13 no.1
• /
• pp.35-45
• /
• 2007

The log data collected from mobile devices contains diverse meaningful and practical personal information. However, this information is usually ignored because of its limitation of memory capacity, computation power and analysis. We propose a novel method that detects landmarks of meaningful information for users by analyzing the log data in distributed modules to overcome the problems of mobile environment. The proposed method adopts Bayesian probabilistic approach to enhance the inference accuracy under the uncertain environments. The new cooperative modularization technique divides Bayesian network into modules to compute efficiently with limited resources. Experiments with artificial data and real data indicate that the result with artificial data is amount to about 84% precision rate and about 76% recall rate, and that including partial matching with real data is about 89% hitting rate.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2017.10a
• /
• pp.306-309
• /
• 2017

The development of modern ICT technology constitutes cyber world by using infrastructure in country and society. There is no border in cyber world. Countries around the world are carrying out cyber attacks for their own benefit. A cyber killer strategy is needed to defend cyber attacks. In order to defend the cyber attack or to determine the responsibility of attack, it is important to grasp the attacker origin point. Strategic cyber kill chains are needed to strike against the attacker origin. In this paper, we study the analysis of attacker origin. And analyze the cyber kill chain for attacker origin point strike. Study the efficient and customized cyber kill chain strategy for attacking the origin point. The cyber kill chain strategy will be a practical strategy to replace the power of nuclear and missiles with asymmetric power.