• Title/Summary/Keyword: IT resource

Search Result 7,577, Processing Time 0.034 seconds

Case Study on the Directions for Establishment of Resource Cycling Agricultural System Focused on Farmer's Organization (생산자조직 내 자원순환형 농업시스템 구축사례와 시사점)

  • Heo, Seung-Wook
    • Korean Journal of Organic Agriculture
    • /
    • v.19 no.4
    • /
    • pp.463-474
    • /
    • 2011
  • The objectives of this study were to establish of resource cycling agricultural system focused on farmer's organization. Case is selected as the farming corporation for the regional agriculture considering the amount of sowing by-products and livestock by-products generated. As a result, generation of fertilizer ingredient depend on feces and urine of Korean native cattle is estimated nitrogen 7.7 ton, phosphoric acid 2.9 ton, and potassium 4.9 ton. On the other hand, generation of fertilizer ingredient demand in cultivated acreage is estimated nitrogen 42.4 ton, phosphoric acid 14.3 ton, and potassium 17.0 ton. Therefore, optimum livestock numbers is estimated 1,867 cattle and it means 1,468 cattle can be raise additionally. In order to complete the resource cycling agricultural system, it should be establish nutrient management system at all of organization level and achieve improvements in regional resource supply. Both economic value of organic fertilizer and the resource cycling system linked market system is considered to develop resource cycling level.

A Study on Application of Resource Types of RDA to KCR4 (RDA 자원유형의 KCR4 적용에 관한 연구)

  • Lee, Mi-Hwa
    • Journal of the Korean Society for information Management
    • /
    • v.28 no.3
    • /
    • pp.103-121
    • /
    • 2011
  • This study is to seek to apply resource types of RDA to KCR4. It is difficult to choose appropriate term and to embody FRBR model because GMD of KCR4 is the mixture of content-based vocabularies and carrier-based vocabularies. SMD is to need to reflect the current technological terms. Resource type of RDA was already developed to overcome limitation of AACR2's GMD, and would affect the world cataloging environment, therefore it is need to apply resource type of RDA to Korean cataloging rule. For this study, case study and survey were used. In case study, it was to scan all GMD term for one university library to build by programming and to grape librarian and users' potential need. In the survey by cataloging librarian, it was to figure out the current description of resource type in university library and to test RDA resource type. As a result, it was needed to revise the vocabulary to the obvious and user-understandable list. Also it was different in correction rate in RDA testing by resource type. Based on the case study and the survey, RDA resource type was applied to KCR4 resource list by adding term such as computer game in content type, and by inserting terms such as DVD, CD-ROM, Blu-Ray, computer file in carrier type. It also applied RDA description method and display means to KCR4. This study would apply RDA resource type to KCR4 and contribute to revise KCR4 resource type.

Evaluation and Optimization of Resource Allocation among Multiple Networks

  • Meng, Dexiang;Zhang, Dongchen;Wang, Shoufeng;Xu, Xiaoyan;Yao, Wenwen
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • v.7 no.10
    • /
    • pp.2395-2410
    • /
    • 2013
  • Many telecommunication operators around the world have multiple networks. The networks run by each operator are always of different generations, such as 2G and 3G or even 4G systems. Each system has unique characters and specified requirements for optimal operation. It brings about resource allocation problem among these networks for the operator, because the budget of each operator is limited. However, the evaluation of resource allocation among various networks under each operator is missing for long, not to mention resource allocation optimization. The operators are dying for an algorithm to end their blind resource allocation, and the Resource Allocation Optimization Algorithm for Multi-network Operator (RAOAMO) proposed in this paper is what the operators want. RAOAMO evaluates and optimizes resource allocation in the view of overall cost for each operator. It outputs a resource distribution target and corresponding optimization suggestion. Evaluation results show that RAOAMO helps operator save overall cost in various cases.

The Trends and Beyond of the Research on the Healthy Families - Focused on a Review of the Studies Published in Journal of Korean Family Resource Management Association - (건강가정 관련 연구의 동향과 과제 - 가족자원경영학회지에 실린 논문 분석을 중심으로 -)

  • Park, Jeong-Yun;Lee, Sunhyung
    • Journal of Family Resource Management and Policy Review
    • /
    • v.18 no.4
    • /
    • pp.53-68
    • /
    • 2014
  • Increasing interest in family problems caused by social environment changes has elevated the importance of strong family policy. That is why Framework Act on Healthy Families has enacted in 2004 in Korea and it marked the 10th anniversary of establishing the law. This study finds out the meaning of enacting the law and an academic field of Family Resource Management through reviewing and analyzing the studies on the healthy families from 2000 to 2013 year in Journal of Korean Family Resource Management Association. The major findings of this study are as follows. First, we divide research themes into three parts: policy, practice(I)(center management), practice(II)(program development & efficiency), specialist area. The research trends have most focused on the issue of practice(II), that is, program analysis and development, contents review, because of the settlement of delivery system after the early of law establishment. But it is needed to rethink research themes because it has been dealt with not academical researches on theoretical basis but practical ones, for example, program development on Healthy Families Center and the tendency still lasts until now. Second, more than half of research methods have been concentrated on contents analysis and about 70% of research objects are focused on the center program. It needs to adopt various research methods and research objects. Lastly, it is necessary to make an academic identity clear that can be faithful to Family Resource Management Studies.

A Resource-Based Perspective on Three IT Resources and Their Relationships in IT Outsourcing (IT 아웃소싱 성공에 영향을 미치는 3가지 IT 자원들과 그 관계: 자원기반 관점에서)

  • Kim, Chy Heon;Kim, Joon S.;Im, Kun Shin
    • Information Systems Review
    • /
    • v.14 no.3
    • /
    • pp.53-74
    • /
    • 2012
  • IT outsourcing (ITO) is an integration of two firms-external vendor(s) and a client firm-IT resources by contract. According to resource-based view(RBV), three different resources-ITO vendor's resource, client firm's resource, and the relationship resource between two firms- may have an impact on ITO performance. However, there have been few previous studies considering all three IT resources simultaneously. There have been also few empirical studies in ITO context, which test Bharadwaj (2000)'s findings: 1) IT resources can be divided into tangible IT asset and intangible IT capability, and 2) only IT capability has an impact on the IT performance. Therefore we examined whether, in ITO context, all three different resources have a significant impact on ITO performance. Adopting the findings of previous IT studies, we also divided IT resource into IT asset and IT capability. To achieve this research objective, we analyzed 62 ITO cases of 45 companies being listed in Korean top 100 companies for recent 3 years. Also, we analyzed the data with the Partial Least Squares method. The results of this research lead to the following conclusions: First, only when partnership is high, ITO vendors' resource can have an influence on ITO performance. Second, only client firm's IT capability, not IT asset, is directly related to the ITO success. Third, a firm's IT capability can increase the partnership. Therefore, we concluded that 1) RBV is also an useful theory in ITO context, 2) Bharadwaj(2000)'s suggestion is valid in ITO context as well, and 3) the relationship resource is also important in ITO.

  • PDF

A Resource Reduction Scheme with Low Migration Frequency for Virtual Machines on a Cloud Cluster

  • Kim, Changhyeon;Lee, Wonjoo;Jeon, Changho
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • v.7 no.6
    • /
    • pp.1398-1417
    • /
    • 2013
  • A method is proposed to reduce excess resources from a virtual machine(VM) while avoiding subsequent migrations for a computer cluster that provides cloud service. The proposed scheme cuts down on the resources of a VM based on the probability that migration may occur after a reduction. First, it finds a VM that can be scaled down by analyzing the history of the resource usage. Then, the migration probability is calculated as a function of the VM resource usage trend and the trend error. Finally, the amount of resources needed to eliminate from an underutilized VM is determined such that the migration probability after the resource reduction is less than or equal to an acceptable migration probability. The acceptable migration probability, to be set by the cloud service provider, is a criterion to assign a weight to the resource reduction either to prevent VM migrations or to enhance VM utilization. The results of simulation show that the proposed scheme lowers migration frequency by 31.6~60.8% depending on the consistency of resource demand while losing VM utilization by 9.1~21.5% compared to other known approaches, such as the static and the prediction-based methods. It is also verified that the proposed scheme extends the elapsed time before the first occurrence of migration after resource reduction 1.1~2.3-fold. In addition, changes in migration frequency and VM utilization are analyzed with varying acceptable migration probabilities and the consistency of resource demand patterns. It is expected that the analysis results can help service providers choose a right value of the acceptable migration probability under various environments having different migration costs and operational costs.

College Students' Perception and Attitude Concerning Living Resource Conservation (대학생의 생활자원 절약 의식과 태도에 관한 기초연구)

  • 손경희
    • Journal of the Korean Home Economics Association
    • /
    • v.35 no.5
    • /
    • pp.279-289
    • /
    • 1997
  • This study was performed to measure the level of college students' perception and attitude concerning living resource conservation. The questionnaire was developed to measure their attitude and perception on living resource conservation. The subjects were 787 college students in Seoul. The major findings are as follows: 1. The perception and attitude on living resource conservation of housing resource were higher than that of food resource or clothing resource. And the perception was higher than the attitude in general. 2. The perception and attitude on conservation of living resources were significantly different according to the gender, age, and grade. 3. The group that had high perception on conservation of living resource actively put living resource conservation in practice. 4. The group that had showed strong interesting on living resource conservation got information on it from mass communication system or their parents.

  • PDF

IoT Device Testing for Efficient IoT Device Framework

  • Gong, Dong-Hwan
    • International Journal of Internet, Broadcasting and Communication
    • /
    • v.12 no.2
    • /
    • pp.77-82
    • /
    • 2020
  • IoT devices frequently require input resources to communicate with various sensors or IoT platforms. IoT device wastes a lot of time as idle time or waiting time to check the data of the input resource and use the input resource. In addition, IoT devices use various input resources. We compares and analyzes input idle time and input waiting time generated from hardware serial input resource, software serial input resource, digital port input resource, and analog port input resource using Arduino widely used as IoT device. In order to design the IoT device framework, it is necessary to understand the characteristics of input resources and to design them to minimize unnecessary input idle time and input waiting time. The analog input wait time has a much larger input wait time than the digital input wait time, so it must be designed to receive analog information periodically at the appropriate timing. The characteristics of the input resources analyzed in this way help to design an efficient IoT device.

Strategic Allocation of the Limited Same Resource by Program Management Office Considering Financial Values (재무 가치를 고려한 PMO의 전략적 동일 한정 자원 배분)

  • Hwang, Jin-Ha;Kim, Ju-Han;Hwang, Jee-Yeon
    • Journal of Korean Society of Industrial and Systems Engineering
    • /
    • v.35 no.3
    • /
    • pp.24-31
    • /
    • 2012
  • Priority rules or sequencing heuristics conventionally used to determine resource allocation is to maximize the earned value on time and cost. This study provides a effective strategy-oriented approach for the program resource management problem with limited same resource, which systematically connects individual project objectives to the overall organizational goal, by introducing financial values as well as priority rules in a broader context. It deals with the resource allocation problem as the decision making problem in the strategic management paradigm to meet business objective and solves it using the analytic hierarchy process, and explains the method of application and usefulness through some simulation cases.