• Journal of The Korean Digital Architecture Interior Association
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• v.9 no.2
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• pp.57-65
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• 2009

Housing Re-Development business is to improve the environment of old residential area and secure insufficient infrastructure facilities for the public, and to provide housing of fine quality for the individuals and it is taken as an opportunity for the individuals to be able to increase their property. However, it is true that the benefits from the redevelopment has not offered to the original dwellers who has lived there for a long time. This research studies the related systems of the Rental House Redevelopment Supply Service and is to present the schema to raise resettlement rate through the investment on the rate of tenants who chose the rental house and their specific characters. This study is to present the reform measures about the following 3 problems, on the basis of prior theoretical studies which deals with the common factors having low rate to move in the rental house of the tenants. (1) Physical side, the problem of supply structure, which is not appropriate Housing Supply Structure, (2) Psychological side, the problem of socially excluded rental house residents (3) Economical side, low re-settlement rate of tenants caused from the unreasonableness of the estimated rental value. This study presents that the compulsory rental housing supply rate should be changed to the gross area not from the number of households, and the supply of rental houses should correspond to the household size of tenants through prior demand survey. Secondly, it proposes the housing complex layout for intermixing to solve the social problems to allow a housing for sale and rental houses mixing in a building. And it proposes that the rental value should be calculated considering the neighboring value and in the long run, it should be calculated considering the tenants' income instead construction cost estimate. Also, it should be arranged to provide an opportunity to create income through resident welfare center improvement and provide self-sufficiency functions leading residents to participate in the residential area's repairing and maintenances.

• Korean Journal of Agricultural Science
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• v.14 no.2
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• pp.384-395
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• 1987

This paper aims to identify the class characteristics of tenants. To this end Patnaik's model is selected, because this model is most reasonable for sorting class structures of tenants. In his Model, "labor-exploitation criterion" is the main criterion for identifying class status. According to this criterion, there are five rural classes i.e. landlord, rich peasant, middle peasant, poor peasant, and full-time laborer. "Net labor ratio" is used for this purpose as empirical data handling. Net labor ratio is a ratio of net labor hired in to family labor, if hired in labor is more then this ratio is positive, and if hired out labor is more then the ratio is negative. Hired in and hired out labor includes not only direct labor but indirect labor such as labor employment or sales through rent. The results of this study are summarized as First, almost all tenants and owner cultivators are of the middle peasant class. Second, there are no rich peasant among the tenants, but 5% of owner cultivators are rich peasants, and 10% of tenants are poor peasants, owner cultivators are 1%. Third, the net: labor ratio of tenants is -0.211, and that of owners is 0.143. There are differences between tenants and owner cultivators even if land is much the same, and owner cultivators net labor ratio is positive except in the land size of 0.3-0.5ha, but that of the tenants' is negative. Fourth, proto-labor poor peasants earned 25% of income from labor, compared with under 10% of proto-tenant poor passant's. Rent to income ratio is almost 60% of proto-tenant, 27% of proto-labor among poor peasants.

• Journal of the Korean housing association
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• v.28 no.1
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• pp.109-117
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• 2017

It becomes increasingly important to develop sustainable housing to protect environment. The certification system for long-life housing was made to use houses for more than one hundred years in 2014. The long-life housing should be able to meet new demands by change of the population structure; low birthrate, aging and increase of single households. Therefore, it is necessary to suggest a prototype of long-life housing for partial rent. The objective of this study is to suggest a prototype for dividing housing in the long-life validation complex, which has design consideration for dividable house. The construction costs of a prototype for dividing housing is evaluated by comparing with other prototype without regard to dividing housing. The results were as follows: (1) The prototype for diving housing should be added an entrance, bathroom, kitchen for tenant, and above all, maintenance fees for tenant have to be managed seperately from house owner. (2) The equipment system for dividing housing should be designed when planning the space of house. However, design for diving housing should be reflected the unit plan at a minimum on what will and will not happen.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.6 no.3
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• pp.19-42
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• 2011

This research focuses on the case studies for operating scheme of technology venture incubation centers located at science parks, technology parks, and foreign universities. Technology venture incubation centers in foreign countries commonly vitalize local economy, create job markets, and promote new venture industry. There is a distinct difference in many ways between foreign and domestic incubation centers. Foreign countries consider the position of incubation centers at national policy level. They characterize the operation of incubation centers into technology fields. They install the networks cooperating with experts and promote the management. Tenant companies moved in incubation centers enhance the degree of completion through industry-university cooperation. Universities and research centers utilize the results of R&D to make the business, accelerate to venture establishment with technical skills, and foster technology entrepreneurs by spin-offs. Through case studies we propose implications helpful to manage domestic technology incubation centers and management methods to be successful centers.

• Journal of the Korean housing association
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• v.21 no.4
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• pp.51-58
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• 2010

In the modernization process of the city, urbanization raised a variety of social issues. Urbanization brought noticeable changes in dwelling patterns, such as drastic changes in the housing lifestyle, that revolved around the metropolitan areas of Seoul and Busan etc. before and after the expansion of economic growth. Especially in 1985, when 23.8% of the country's population was concentrated in Seoul, the imbalance of housing supply and demand caused a vast range of housing shortage. The shortage, that resulted from public sector mishandling of natural housing demand, lead to the occurrence of private sector rental housing. The occurrence of this abnormal rental housing supply, became a major cause of Korea's typical lease system called 'Co-dwelling', where the leaseholder and tenant physically lives in the same residence. The leaseholder and tenant's 'Co-dwelling' started from partial renting of traditional Korean-style housing and transformed with the transition of dwelling form and time. However, after 1985, legalization of multi-family housing, Korean rental housing started to be planned in the beginning of it's housing construction and to be produced as an independent space with separate circulation. Also in terms of facility, it changed from partial renting of a space within the residence to an assembly of small individual spaces. However, the background of this deep-rooted 'Co-dwelling' lease system, in different forms and periods of residence, is still based on the lack of public sector rental housing supply and private sector supply of rental space to utilize extra space, 'Jeonsei' payment.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2005.11a
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• pp.351-354
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• 2005

In 2004. as a part of special housing policy for low income household, Korean government initiated 'Multiple-dwelling Purchase and Public Rental Program'(MDPPRP) to help people whose needs for appropriate housing cannot be met in private housing market. The main goal of this program was to provide the base for self support of tenants by purchasing 'Multiple-housing' in bundle and transferring them into rental housing with low price to the low income tenants. Unlike other public rental housing programs, this model program limited the length of stay in the rental housing by six years to lead tenant's self support. The purpose of this study was to evaluate the effectiveness of this model program for further expanding enforcement. For this, two groups of residents of 'multiple-dwelling purchase and public rental program' and permanent rental housing were compared and analyzed. Thirty two tenants of MDPPRP were interviewed for the study. As research methods, document review, onsite tenant interviews using questionnaire were used. As a whole, most of the tenants were satisfied with their 'multiple-dwelling' environment in physical and socio-psychological aspects.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.8 no.1
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• pp.282-304
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• 2014

Each cloud service has numerous owners and tenants, so it is necessary to construct a privacy preserving identity management and access control mechanism for cloud computing. On one hand, cloud service providers (CSP) depend on tenant's identity information to enforce appropriate access control so that cloud resources are only accessed by the authorized tenants who are willing to pay. On the other hand, tenants wish to protect their personalized service access patterns, identity privacy information and accessing newfangled cloud services by on-demand ways within the scope of their permissions. There are many identity authentication and access control schemes to address these challenges to some degree, however, there are still some limitations. In this paper, we propose a new comprehensive approach, called Privacy pReserving Identity and Access Management scheme, referred to as PRIAM, which is able to satisfy all the desirable security requirements in cloud computing. The main contributions of the proposed PRIAM scheme are threefold. First, it leverages blind signature and hash chain to protect tenant's identity privacy and implement secure mutual authentication. Second, it employs the service-level agreements to provide flexible and on-demand access control for both tenants and cloud services. Third, it makes use of the BAN logic to formally verify the correctness of the proposed protocols. As a result, our proposed PRIAM scheme is suitable to cloud computing thanks to its simplicity, correctness, low overhead, and efficiency.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.13 no.3
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• pp.1164-1183
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• 2019

The rapid development of cloud computing and high requirements of operators requires strong support from the underlying Data Center Networks. Therefore, the effectiveness of using resources in the data center networks becomes a point of concern for operators and material for research. In this paper, we discuss the online virtual-cluster provision problem for multiple tenants with an aim to decide when and where the virtual cluster should be placed in a data center network. Our objective is maximizing the total revenue for the data center networks under the constraints. In order to solve this problem, this paper divides it into two parts: online multi-tenancy scheduling and virtual cluster placement. The first part aims to determine the scheduling orders for the multiple tenants, and the second part aims to determine the locations of virtual machines. We first approach the problem by using the variational inequality model and discuss the existence of the optimal solution. After that, we prove that provisioning virtual clusters for a multi-tenant data center network that maximizes revenue is NP-hard. Due to the complexity of this problem, an efficient heuristic algorithm OMS (Online Multi-tenancy Scheduling) is proposed to solve the online multi-tenancy scheduling problem. We further explore the virtual cluster placement problem based on the OMS and propose a novel algorithm during the virtual machine placement. We evaluate our algorithms through a series of simulations, and the simulations results demonstrate that OMS can significantly increase the efficiency and total revenue for the data centers.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2016.10a
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• pp.681-683
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• 2016

Recently, sharing economy is getting the attention of the public. So this phenomenon to share their goods, home, gifts, etc. in various fields has been increased. Typically when traveling away from home to host as "Airbnb", the share house to share their homes are traded most actively. Through a share house host can make money using house empty, customers can take advantage of the hostel while traveling at low prices. The existing share house system must ensure that every time they empty the house Customers, host had the inconvenience of having to wait for the application of the tenant customers. To solve this problem and to implement a service platform based on the waiting list. Through this platform, customers will be able to eliminate the inconvenience of having to find the house every time you want to apply for a tenant waiting to get home, give the order to wait.

• Journal of Digital Convergence
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• v.19 no.4
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• pp.227-233
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• 2021

Ready-made products produced in the industrialized consumer society after the 20th century have been adopted by artists as a new material called "Found object," and are reinterpreted in a broad sense in their works. The method of giving new meaning using this creates a new paradigm that is expanded conceptually as well as expression style. After Pablo Picasso's in 1912, when the Found object was used for the first time in contemporary art, we examine the development of objects through Dadaism, Surrealism, and Pop Art, and the expression of Found objects in the late 20th century. In this study, the artists and their work are analyzed by dividing it into three types: 'Unprocessed objects', 'Transformed objects', and 'Tenant objects', depending on how the Found object is mixed in works. Through this study, I pay attention to the fact that a work incorporating a Found object not only develops the object materially, but also allows the practice of free concept art to escape from the traditional norms of art.