Purpose: This study is to explore the essence of those lives who have been living with their mothers- in- law for more than 10years since their marriage by applying Van Manen's hermeneutic phenomenological methodology. It consists of four steps such as concentration on the nature of lived experience, existential research, hermeneutic phenomenological reflection and hermeneutic phenomenological writing. Method: Six middle aged participants who have been living with mothers- in- law in middle size of cities were interviewed and observed with their written consent for one month from 20, April. 2000 to 20 May 2000. To expand insight by analyzing sayings, folks stories, writings, etymology of sigipsalee relevant to it were collected and reviewed. Result: Five essential themes were derived by repeated reviewing the transcription of those interview such as difficulty living with endless heart distress, feeling oppressed, feeling deeply lonely, having a stronger backing as time passes, in turn harmonizing with each other. On the basis of the five essential theme hermeneutic phenomenological writing was done as follow. Participants lived lives filled with uneasy feeling from the newly formed relationship among in laws but especially with mothers- in- law. Participants did their best to be acknowledged found that at a significant moment during family event they would be treated as strangers so that they felt isolated and alone. Mothers in laws played a dominant role in most of family decision even buying their children's clothes. Mother in laws rarely complemented them so that they felt inferior as a person. As time passes. Mothers-in-law and daughters-in-law become adjusted to this lifestyle with each other and assumed a more mature relationship which includes a mutual respect thus better harmony. Participants become to have stronger backing so that they express their opinion to mothers-inlaw. With time both of them are getting old, participants show form of pity to their mothers-in- law. Sometimes participant surprise themselves by noticing a change in their behavior to the same pattern Mothers-in-law have showed them. Conclusion: Although generalizations have limitations, findings resulting from the study will enrich family nursing knowledge and understanding the problems when living with mothers-in- law in the same house. It will give a cleared view of problems faced by middle aged korean women in the Korean patriarchal culture. Researchers have recommended to study experiences of married young adult korean women's generation and the findings compared with this study to show trends and changes.
Genetic Algorithms are optimization algorithm that mimics biological evolution to solve optimization problems. Genetic algorithms provide an alternative to traditional optimization techniques by using directed random searches to locate optimal solutions in complex fitness landscapes. Hybrid genetic algorithm that is combined with local search called learning can sustain the balance between exploration and exploitation. The genetic traits that each individual in the population learns through evolution are transferred back to the next generation, and when this learning is combined with genetic algorithm we can expect the improvement of the search speed. This paper proposes a genetic algorithm based Cellular Learning with accelerated learning capability for function optimization. Proposed Cellular Learning strategy is based on periodic and convergent behaviors in cellular automata, and on the theory of transmitting to offspring the knowledge and experience that organisms acquire in their lifetime. We compared the search efficiency of Cellular Learning strategy with those of Lamarckian and Baldwin Effect in hybrid genetic algorithm. We showed that the local improvement by cellular learning could enhance the global performance higher by evaluating their performance through the experiment of various test bed functions and also showed that proposed learning strategy could find out the better global optima than conventional method.
Journal of the Korea Academia-Industrial cooperation Society
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v.19
no.1
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pp.672-679
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2018
This paper describes a methodology for shape design using an optimal design system, whereas generally a three dimensional analysis is required for such designs. An automatic finite element mesh generation technique, which is based on fuzzy knowledge processing and computational geometry techniques, is incorporated into the system, together with a commercial FE analysis code and a commercial solid modeler. Also, with the aid of multilayer neural networks, the present system allows us to automatically obtain a design window, in which a number of satisfactory design solutions exist in a multi-dimensional design parameter space. The developed optimal design system is successfully applied to evaluate the structures that are used. This study used a stress gauge to measure the maximum stress affecting the parts of the side housing bracket which are most vulnerable to cracking. Thereafter, we used a tool to interpret the maximum stress value, while maintaining the same stress as that exerted on the spot. Furthermore, a stress analysis was performed with the typical shape maintained intact, SM490 used for the material and the minimizing weight safety coefficient set to 3, while keeping the maximum stress the same as or smaller than the allowable stress. In this paper, a side housing bracket with a comparably simple structure for 36 tons was optimized, however if the method developed in this study were applied to side housing brackets of different classes (tons), their quality would be greatly improved.
Journal of the Korea Academia-Industrial cooperation Society
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v.13
no.3
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pp.1288-1295
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2012
Korea Ministry of Knowledge Economy has estimated that wind power (WP) will be occupied 37% in 2020 and 42% in 2030 of the new energy sources, and also green energies such as photovoltaic (PV) and WP are expected to be interconnected with the distribution system because of Renewable Portfolio Standard (RPS) starting from 2012. However, when a large scale wind power plant (over 3[MW]) is connected to the traditional distribution system, protective devices (mainly OCR and OCGR of re-closer) will be occurred mal-function problems due to changed fault currents it be caused by Wye-grounded/Delta winding of interconnection transformer and %impedance of WP's turbine. Therefore, when Double-Fed Induction Generator (DFIG) of typical WP's Generator is connected into distribution system, this paper deals with analysis three-phase short, line to line short and a single line ground faults current by using the symmetrical components of fault analysis and PSCAD/EMTDC modeling.
In general, testing DB applications is much more difficult than testing other types of software. The fact that the DB states as much as the input data influence and determine the procedures and results of program testing is one of the decisive reasons for the difficulties. In order to create and maintain proper DB states for testing, it not only takes a lot of time and efforts, but also requires extensive IT expertise and business knowledge. Despite the difficulties, there are not enough research and tools for the needed help. This article reports the result of research on automatic creation and maintenance of DB states for testing DB applications. As its core, this investigation develops an automation tool which collects relevant information from a variety of sources such as log, schema, tables and messages, combines collected information intelligently, and creates pre- and post-Images of database tables proper for application tests. The proposed procedures and tool are expected to be greatly helpful for overcoming inefficiencies and difficulties in not just unit and integration tests but including regression tests. Practically, the tool and procedures proposed in this research allows developers to improve their productivity by reducing time and effort required for creating and maintaining appropriate DB sates, and enhances the quality of DB applications since they are conducive to a wider variety of test cases and support regression tests. Academically, this research deepens our understanding and introduces new approach to testing enterprise systems by analyzing patterns of SQL usages and defining a grammar to express and process the patterns.
The Transactions of the Korea Information Processing Society
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v.6
no.4
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pp.877-890
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1999
In this paper, a multimedia mail including video, sound, graphic data has been proposed as the next generation mail of the text based mail. In order to develop the multimedia mail, the most outstanding problem is the fact that the multimedia data are too huge to send them to the receiving end directly. The fact of big data may cause many problems in both transferring and storing the data of the multimedia mail. Our main idea is to separate between a control program for the multimedia presentation and multimedia data. Since the size of a control program is as small as a plain text mail, it has no problem to send it attached to the internet mail to the receiver directly. Instead, the big multimedia data themselves may remain on the sender's computer or be sent to a designated server so that the data may be transferred to the receiver only when the receiver activates the play of the multimedia mail. In this scheme, our research focus is paced on the buffer management and the thread scheduling for the real time play of the multimedia mail on internet. Another problem is to provide an easy way of editing a multimedia presentation for an ordinary people having no programming knowledge. For the purposed, VIP(Visual Interface Player) has been used and the results or multimedia mail implemented on LAN has been described.
Hyun, Young Geun;Lim, Jung Teak;Han, Jeong Hyeon;Chae, Uri;Lee, Gi-Hyun;Ko, Jin Deuk;Cho, Young Hee;Lee, Joo Yeoun
Journal of Digital Convergence
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v.18
no.11
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pp.215-226
/
2020
Chatbot is emerging as an important interface window for business. This change is due to the continued development of chatbot-related research from NLP to NLU and NLG. However, the reality is that the methodological study of drawing domain knowledge and developing it into a user-friendly interactive interface is weak in the process of developing chatbot. In this paper, in order to present the process criteria of chatbot development, we applied it to the actual project based on the methodology presented in the previous paper and improved the development methodology. In conclusion, the productivity of the test phase, which is the most important step, was improved by 33.3%, and the number of iterations was reduced to 37.5%. Based on these results, the "3 Phase and 17 Tasks Development Methodology" was presented, which is expected to dramatically improve the trial and error of the chatbot development.
Hugo $H\"{a}ring$(1882-1952) belonged to that special generation of architects born in the 1880s which became responsible for the establishment of Modern Movement in the 1920s as W. Gropius, Mies van der Rohe and Le Corbusier, etc. Although he have been overlooked by many historian, He was a key figure of the Modern architecture and as the main theorist for Organic stream in German architecture. He is well-known for his theory of 'Neues Bauen(New Building)', the organic functionalism that is epitomized as the design process from the inside outwards, starting with the life-processes of dwelling. So he argued that the builder must become aware of the life process his building is to serve, and he should not impose a form but try to find the form. These concepts are expressed well in his key-words, the 'Organwerk(organ-work)' and 'Leistungsform(form as achievement)'s. $H\"{a}ring's$ theory can be found in the short early essay, 'Wege zur Form(approaches to form)' of 1925. But His concept of 'function' is based on the speciality and individual identity that concerned him from the start, not purely pragmatic aspects. After 1940s his theory moved increasingly in this direction. He defined this as the transition from 'Organwerk' to 'Gesetaltwerk', from mere anatomy to essence, being, personality, life. It suggest that Hugo Haring's idea of Gestalt is a dimension of mystical or symbolic meaning. This paper Is about the way in which this theoretical transition can be parallel with contemporary philosophers as E. Cassirer's philosophy of symbolic forms and M. Heldegger's phenomenology. And the key example of this viewpoint is (1921-1926) near Lubuk in Germany, with its 'cowshed' of pear shaped plan devised around the requirements and rituals of farm. This study presents the symbolic conception of Hugo $H\"{a}ring's$ theory can propose the ability of a symbolic intuition as a view that re-integrate technical thinking with knowledge of other kinds beyond the immediate material.
A year has passed since the nuclear power plant accident in Fukushima on March 11, 2011, and a survey for public perception on radiation by Korean people has been made. The methodological design was based on a quantitative survey and a frequency analysis was done. The analysis objects were survey papers (n=2,754pcs) answered by random ordinary citizens chosen from all over the country. The questionnaires, and study tool, were directly distributed and collected. A total of 40 questionnaires using a coefficient of Cronbach's ${\alpha}$ per each area was 'self perception of radiation' (0.620), 'radiation risk' (0.830), 'benefit from radiation' (0.781), 'radiation controlled' (0.685), 'informative source of radiation' (0.831), 'influence degree from Fukushima accident' (0.763), showing rather high score from all areas. As the result of the questionnaires, the knowledge of radiation concept was 69.50 out of 100 points, which shows a rather significant difference from the result of 'know well about radiation' (53.7%) and 'just know about radiation' (37.40%). According to the survey, one of the main reasons why radiation seems risky was that once exposed to radiation, it may not have negative impacts presently but, the next generation could see negative impacts (66.1%). About 41% of our respondents showed a negative position against the government's report on radiation while 39.5% of respondents said that we should stop running nuclear power in light of Fukushima nuclear power plant accident. This study was done for the first time by Korean people's public perception on radiation after the Fukushima nuclear power plant accident. We expect this might have significant contributions to the establishment of the government's policy on radiation.
Journal of agricultural medicine and community health
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v.9
no.1
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pp.18-26
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1984
With the increase of using pesticides, pesticide poisonings become more frequent. In the previous epidemiological study on pesticide poisoning and the reports of the authorities concerned, it is carefully affirmed that pesticide poisonings are caused by farmers' ignorance and negligence in using the pesticides. But the pesticide poisoning should be taken into account in terms of the person who sprays the pesticides, its spraying process, farming style and farmers' socio-economic conditions. And based on the understanding mentioned above, preventive measures for pesticide poisoning should be established. In this socio-medical point of view, this study examined the public health problems caused by using pesticides and the treatment of pesticide poisoning, based on the interviews with farmers in a area of Kyunggi-Do about the spraying process of pesticides, poisoning experiences and its treatments. The results are as follows ; 1) The style of spraying pesticides in the target area is mostly an individual one, not cooperative one. And the subjects of spraying are householders, whose educational backgrounds are beneath notice. More than 2~5 of the subjects are women or old men of 60 years old or so. These are seen to derive from the socio-economic status of Korean agricultural families; their younger generation's moving to greater cities and their petty farming styles. 2) As for the safety measures for the spraying of pesticides, those which have nothing to do with the economic, problems such as efficient spraying and productivity, are well obeyed. On the other hand, some safety measures as the use of safety devices, and spraying time, the degree of dilution of pesticides and the spraying method In windy days, are not obeyed very well, for to keep those makes spraying difficult to do and productivity worse. These facts indicate that the safety measures for using pesticides must be directly concerned with the spraying process, farming style and farmers' socio economic status, rather than the subject's knowledge or carefulness. 3) Even In cases of poisoning they do rarely consult the doctors. This is caused by the problem of their locality and transportation since one should pass away a day even in the busiest season to consult doctors, and by their low socio-economic status. 4) The epidemiological studies on pesticide poisonings should be necessarily led to a socio-medical one which are concerned together with the spraying process of pesticides, farming style, farmer's socio-economic status and discrepancies in public health policies between agricultural communities and urban ones.
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