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A Suggestion for Spatiotemporal Analysis Model of Complaints on Officially Assessed Land Price by Big Data Mining (빅데이터 마이닝에 의한 공시지가 민원의 시공간적 분석모델 제시)

  • Cho, Tae In;Choi, Byoung Gil;Na, Young Woo;Moon, Young Seob;Kim, Se Hun
    • Journal of Cadastre & Land InformatiX
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    • v.48 no.2
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    • pp.79-98
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    • 2018
  • The purpose of this study is to suggest a model analysing spatio-temporal characteristics of the civil complaints for the officially assessed land price based on big data mining. Specifically, in this study, the underlying reasons for the civil complaints were found from the spatio-temporal perspectives, rather than the institutional factors, and a model was suggested monitoring a trend of the occurrence of such complaints. The official documents of 6,481 civil complaints for the officially assessed land price in the district of Jung-gu of Incheon Metropolitan City over the period from 2006 to 2015 along with their temporal and spatial poperties were collected and used for the analysis. Frequencies of major key words were examined by using a text mining method. Correlations among mafor key words were studied through the social network analysis. By calculating term frequency(TF) and term frequency-inverse document frequency(TF-IDF), which correspond to the weighted value of key words, I identified the major key words for the occurrence of the civil complaint for the officially assessed land price. Then the spatio-temporal characteristics of the civil complaints were examined by analysing hot spot based on the statistics of Getis-Ord $Gi^*$. It was found that the characteristic of civil complaints for the officially assessed land price were changing, forming a cluster that is linked spatio-temporally. Using text mining and social network analysis method, we could find out that the occurrence reason of civil complaints for the officially assessed land price could be identified quantitatively based on natural language. TF and TF-IDF, the weighted averages of key words, can be used as main explanatory variables to analyze spatio-temporal characteristics of civil complaints for the officially assessed land price since these statistics are different over time across different regions.

Policy Suggestions to Korea from a Comparison Study of the United States, the United Kingdom, Germany, the Netherlands, and Denmark's Polices on Risk Assessment of Contaminated Soils (토양오염 지역의 위해성 평가에 관한 외국 정책의 비교분석 및 우리나라의 정책 개선에 관한 고찰)

  • Park Yong-Ha;Yang Jay-E.;Ok Yong-Sik
    • Journal of Soil and Groundwater Environment
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    • v.10 no.5
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    • pp.1-10
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    • 2005
  • Policies of the United States, the United Kingdom, the Netherlands, Germany and Denmark were compared and analyzed on risk assessment of contaminated sites. These countries were chosen from a feasible preliminary analysis of 18 countries of the European Union and the U. S. All the countries selected met two major criteria : I) implementation of risk assessment to determine the soil contamination and remediation targets of contaminated sites, ii) use of soil guidance values and risk assessment as complementary measures to determine soil contamination. Suggested policy improvements to Korea regarding these issues include i) legislation of a rational risk assessment methodology of contaminated sites, and ii) enactment of collaboration of risk assessment with the soil guidance values. To establish effective risk assessment legislation, additional in-depth research on social, economic and long-term effects of the proposed risk assessment methodologies, as well as the mutual consent of all parties including academia, industry, and administration will be necessary. Linking risk assessment with soil guidance values would be applicable to a site contaminated where the contaminant concentration exceeds a certain soil guidance value. In parallel, application of risk assessment to a site where a contaminant concentration is naturally different such as mining sites would be plausible. The policy suggestions above are not yet conclusive due to a lack of policy implementation, and simulation. Thus, additional research on developing risk assessment methodology is needed. Nevertheless, initiation of the suggested policy would increase the efficacy of Korean policy regarding the survey and remediation of contaminated sites.

IA Relation between Social Status Type and Academic Achievement in the Upper Grade Students of the Elementary School (초등학교 고학년 학생의 사회적지위 유형과 학업성취도간의 관계)

  • Ahn, Ie-Hwan;Lee, Chang-Wo
    • The Korean Journal of Elementary Counseling
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    • v.11 no.1
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    • pp.21-33
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    • 2012
  • This study examined the differences of academic achievement by social status types through sociometry. This study analyzed 201 students in grade 6 in S elementary school. The social status is classified by 7 (popular, average, rejected, aggressive-rejected, submissive-rejected, neglected, controversial) with academic achievement of each type as dependent variables to figure out the relation between social status types and academic achievement. To classify 5 social status types, a sociometry program developed by Ahn, Ie-Hwan (2007) was used, 2 social status types was classified with experimental condition, and its dependent variable was the score by subjects in the mid-term exam of the 1st semester in 2011. The average values of humanities courses (Korean and social studies) and natural science courses (math and science) were compared by both sexes and 7 social status types. The reference group was average group. As a result, as to male students, N type had the highest score both in humanities courses and natural science courses while C type had the lowest score in both groups. As to female students, P, N, C types had the highest score in both groups with similar range while R type had the lowest score in both groups. This result demonstrates that the academic achievement of students had relatively high relevance with social status. and also, suggestion that how teachers can do to enhance the academic achievement of elementary school students.

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Review of Communal Housing for the Elderly in the UK (영국의 노인공동생활주택에 대한 검토)

  • 홍형옥
    • Journal of Families and Better Life
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    • v.19 no.4
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    • pp.49-68
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    • 2001
  • The purpose of this study was 1) to review communal housing in the UK, 2) to consider the policy implications for elderly communal housing in Korea. The research methods used were 1) literature review about communal housing and related policy in the UK 2) field survey in the UK 3) interpretative suggestion for the proper policy implication to develope communal housing for the elderly in Korea. Sheltered housing in the UK had been developed as communal housing for the elderly with special needs since the 1970s. The type of sheltered housing were category 1 and category 2. Very sheltered housing with more facilities and meal services was added in 1980s. Sheltered housing was evaluated as the most humanistic solution for older people in the UK in 1980s. Because of the policy of moving institutional care to community care, sheltered housing became less in demand because of more options for older people including being able to stay in their own home. So new completion of sheltered housing by registered social landlords reduced saliently. Sheltered housing already totalled over half million units in which 5% of all elderly over 65 still lived and a small quantity of private sector for sale schemes emerged in the 1990s. The reason why the residents moved to sheltered housing was for sociable, secure, and manageable living arrangements. In general the residents were satisfied with these characteristics but dissatisfied with the service charge and quality of meals, especially in category 2.5 schemes. The degree of utilisation of communal spaces and facilities depended on the wardens ability and enthusiasm. Evaluation of sheltered housing indicated several problems such as wardens duty as a \"good neighbour\" ; difficult-to-let problems with poor location or individual units of bedsittiing type with shared bathroom ; and the under use of communal spaces and facilities. Some ideas to solve these problems were suggested by researchers through expanding wardens duty as a professional, opening the scheme to the public, improving interior standards, and accepting non-elderly applicants who need support. Some researchers insisted continuing development of sheltered housing, but higher standards must be considered for the minority who want to live in communal living arrangement. Recently, enhanced sheltered housing with greater involvement of relatives and with tied up policy in registration and funding suggested as an alternative for residential care. In conclusion, the rights of choice for older people should be policy support for special needs housing. Elderly communal housing, especially a model similar to sheltered housing category 2 with at least 1 meal a day might be recommended for a Korean Model. For special needs housing development either for rent or for sale, participation of the public sector and long term and low interest financial support for the private sector must be developed in Korea. Providing a system for scheme managers to train and retrain must be encouraged. The professional ability of the scheme manager to plan and to deliver services might be the most important factor for the success of elderly communal housing projects in Korea. In addition the expansion of a public health care service, the development of leisure programs in Senior Citizens Centre, home helper both for the elderly in communal housing and the elderly in mainstream housing of the community as well. Providing of elderly communal housing through the modified general Construction Act rather than the present Elderly Welfare Act might be more helpful to encourage the access of general people in Korea. in Korea.

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The Study of Coastal Change Detection Ortho Aerial Photo and Hydrographic Survey: Parcels Submerged (정사항공사진과 해양조사측량을 이용한 해안선변화 탐지에 관한 연구: 포락지 중심으로)

  • Choi Chul Eung;Kim Youn Soo;Suh Yong Cheol
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.17 no.2
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    • pp.61-69
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    • 2005
  • The coastal erosion and the look of a heap which are mainly occurred in the district along the coast are found for various forms such as the estuary closing, the estuary sand bar the development of the coast sand bar, and the modification of coastline. Recently, due to the coastal development, these transformations have been intensified. The change of coast, which has been made slow progress is required long-term study on a searching examination of the root cause and a suggestion of a counter measure. In this research, ortho aerial photos were produced to analyze volumes of topographical alternations that have been progressed fer the long run, by 10s cycle from 1940s through 1990s, to compute accurate volumes of coastline variation, through a datum point and G.C.P (Ground Control Point). Also in this study, without respect to water level, the coastline variation was analyzed by using comparatively analyzed a Idlest land map, a cadastral map. And to analyze topographical variation volumes, the tidal station's materials was used under consideration f3r tide. Finally, topographical variation volumes are comparatively analyzed through surveying and sounding and a point of fine of aviation photographing was calculated and revised. After this research, by using ortho aerial photos, We can understand efficiency of these in computing volumes of variations of coastline by analyzing quantitatively erosion and look of a heap. Besides, in the future, these will be used for information gathering of the coastline integration control system.

The Analysis of the Research Trends Related to School Health in Korea (학교보건 관련 국내 연구동향 분석)

  • Jung, Jeong-Sim;Kim, Jung-Soon
    • Journal of the Korean Society of School Health
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    • v.17 no.1
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    • pp.85-95
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    • 2004
  • Objectives : The aim of this study was to identify the trend of school health research by analyzing articles related to school health for the last 10 years. this information can be used to guide research direction for the future. Methods : This study is a descriptive study that analyzed annual data. using an objective frame of evaluation about the methodology and research domain in each paper, all the papers included in the journals concerning school health from January 1993 to December 2000 were analyzed. The data was processed statistically by frequency and percentage. Results : 455 papers in 9 journals related to school health were published. The Journal of the Korean Society of School Health had 204 articles, the highest number of any journal. most of the articles were descriptive, but the number of experimental studies increased over time. the most common research subjects were students were the greatest ones, but the trend to study both parents and teachers increased near the end of the sampling period. the most common selection of subjects appeared to be based on convenience, but probability sampling gradually increasing annually. the most common research instrument was the questionnaire and the reliability and the validity of instruments were described in approximately half of the studies. The survey was the most commonly used method of data collection. The papers that met ethical issue in data collection were less than those that did not. In addition, the papers that provided the rationale for the calculation of sample size were less than those that did not. parametric statistics were the main methods of data analysis, but some advanced statistics were used more often than simple descriptive statistics in the latter part of the sampling period. In general, limit of the studies were not frequently mentioned but more recommendations were made. regarding the characteristics of the research area, the assesment domain was remarkable. The rate of school health problem assesment was the highest among research subjects. Sex- related subjects were the highest in detail research subjects. Conclusions : The research of school health has increased quantitatively, but it is difficult to ascertain its qualitative development. Therefore, on the basis of the research completed up until now, more school-based intervention studies and longitudinal studies need to be another target for the evaluation of the effects of the school health service. as well, policy suggestion through international and cross-sectional comparison studies are needed to assist in the establishment of the long term direction of school health.

Groundwater Flow Modeling and Suggestion for Pumping Rate Restriction around K-1 Oil Stockpiling Base with Geological Consideration (지질조건을 고려한 K-1 비축기지 주변의 지하수 모델링과 양수량 제한구역 제안)

  • Moon, Sang-Ho;Kim, Kue-Young;Ha, Kyoo-Chul;Kim, Young-Seog;Won, Chong-Ho;Lee, Jin-Yong
    • The Journal of Engineering Geology
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    • v.20 no.2
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    • pp.169-181
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    • 2010
  • This study aimed at simulating several responses to stresses caused by the ground water level variations around the K-1 oil stockpile. For this simulation, we considered the characteristic hydrogeological condition including the special occurrence of long and thick acidic dyke, which is regarded as the main geological structure dominating the ground water flow system at this study area. We activated twenty-four imaginary wells which are located in northern and southern area around central K-1 site. Each neighboring distance is altogether 300 m and whole distance between K-1 site and remote wells is 1,200 m. Through the modeling, we operated the long-term and continuous pumping tests and finally categorized five zones based on maximum pumping rates for the imaginary wells; zone I within 300 meter distance from K-1 site with a pumping rate of 50 $m^3/day$; zone II between 300 to 600 meter distance from K-1 site with a pumping rate of 75 $m^3/day$; zone III between 600 to 900 meter distance from K-1 site with 150 $m^3/day$; zone IV between 900 to 1,200 meter distance from K-1 site with 300 $m^3/day$; and zone V of acidic dyke area. At zone V, especially because of their possibility of high transmissivity for groundwater flow, it is necessary to control and restrict groundwater discharge.

A Study on the Effects of Communication Style and Commitment between Retailers and Suppliers on Relationship Performance (소매-공급업체간 커뮤니케이션 유형과 결속이 관계성과에 미치는 영향에 관한 연구)

  • Jung, Yeon-Sung;Oh, Se-Jo
    • Journal of Distribution Research
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    • v.12 no.4
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    • pp.49-77
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    • 2007
  • The purpose of this study is to examine a relationship between the headquarters and the sales offices of a car manufacturing company by comparing their channel types. It examines how the level of communication and commitment of sales offices on their headquarters differently affects some mediating effects between participation and relationship performance. It also tries to find out what kind of mechanisms are needed in order to improve the relationship. Through the data analysis of a total of 200 sales offices which are directly managed stores and agency stores by a domestic car manufacturing company, the following conclusions were reached: Participation, one of the variables in bureaucratic structuring, influences all dimensions of communication. Also, it has found that communication dimensions influence commitment dimensions differently by the type of channels, and commitment dimensions influence relationship performance by the type of channels. Recently, import car makers are accelerating their moves in the domestic market, and the importance of a customer-oriented retail innovation and a relationship management in an auto manufacturing industry is increasing. This study will give an useful suggestion on how to improve a long term relationship of distributors through an enhancement of communication and commitment.

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Efficacy of Electroacupuncture with Dysphagia Caused by Stroke - Double-blind, Randomized Controlled Trial - (중풍으로 유발된 연하 장애 환자에 대한 전침 치료의 임상 효과)

  • Kim, Min-Kyung;Lu, Hsu-Yuan;Cho, Seung-Yeon;Jung, Woo-Sang;Moon, Sang-Kwan;Park, Jung-Mi;Ko, Chang-Nam;Cho, Ki-Ho;Park, Seong-Uk
    • The Journal of Korean Medicine
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    • v.35 no.1
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    • pp.26-40
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    • 2014
  • Objectives: This study investigated the effect of electroacupuncture on swallow function in stroke patients with dysphagia. The purpose was to determine whether electroacupuncture could improve swallow function and quality of life for patients with dysphagia caused by stroke. A pilot double-blind, randomized controlled trial design was used Methods: A total of 17 stroke patients with dysphagia were recruited to this study, 8 assigned to the swallowing electroacupuncture (SE) group and 9 to the control group. Swallowing electroacupuncture was assessed for 5 Hz electrical or sham stimulation for 20 min duration 3 times a week. Outcome measurements were DOSS, 14-item questionnaire from the SWAL-QOL, NIHSS and MBI. Assessment was carried out for baseline, 2 weeks and 4 weeks Results: In the 2 weeks follow up data, the study group showed significant difference in DOSS and SWAL-QOL compared with the baseline. The study group also showed significant difference in DOSS and SWAL-QOL compared with the control group. Similarly in the 4 weeks follow up data, the study group showed improvement tendency in DOSS and SWAL-QOL compared with baseline and also with the control. The NIHSS and MBI scores returned no significant differences. The swallowing electroacupuncture was well tolerated in all cases with no serious adverse effects. Conclusions: The findings from the pilot study indicated that electroacupuncture has significant effects on improvement in swallowing function and quality of life. With both inpatients and outpatients, further larger and longer-term follow-up study is needed to confirm this suggestion.

How do Merchandisers in Large Retailers Purchase Agriculture Products? (대형유통업체 구매담당자의 농산물 구매 행태에 관한 연구)

  • Woo, Young-Mun
    • Journal of Distribution Research
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    • v.16 no.5
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    • pp.123-140
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    • 2011
  • This study analyzed large distributors' trade features with local suppliers and their direct purchase features through the survey and the interview targeting some MDs(Merchandisers) in large retailers responsible for buying fresh foods (agricultural, fishery, livestock and proceeded products). As the result of conducting the survey targeting the large purchase MDs, it was found that when they select local suppliers, they importantly consider the factors of stable products supply, the quality management, the aggressive management attitude, the affordable (cheap) price, and the suggestion of differentiated goods in order. Concerning their direct purchases in local places, their preference toward the direct-purchase traders were higher than that toward vendors and whole markets as their existing major traders. Among the traders for direct purchase, they preferred farm corporations (including agricultural corporations) the most, and followed the National Agricultural Cooperative, and the unit agricultural cooperative in order. Regarding to the trades with suppliers, when they set the trade price, the merchandisers (MDs) of large distributors preferred long-term trades over 2 years, and utilized the factors of market rate(50.9%), production cost(31.2%) and sale price in the same industry(18.0%). For the local distribution organizations to aggressively counteract the changes of distribution environment in the consumption places, it needs some strategies to organize the agricultural production, to expand the production size and to specialize the distribution channels. And the supply system's continuality and stability are required, so it needs to establish the counteract system enabling to supply all year round through the link of production organizations. Additionally, as an effort to intensify the market negotiation ability, it should collect various market information from the consumption places.

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