• The Korean Journal of Archival Studies
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• no.15
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• pp.263-306
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• 2007

In genaral appraisal is process of the determining the length of the time records should be retained, and is defined as selecting records with second value. However, appraisal in boroad term includes analysis which value records have as well as selecting archival records. It means that analysis of Records value is carried and reflected in every processes of maintenance, use and disposition of records. One of characteristic in records and archives management is that records process doesn't finish as one process, but it creates and manages records repeatedly. When another records are created again after the previous process in these system, it should creates records with better value than before. It pursues positive circle system which satisfy users whenever it starts. The study reviewed how analysis of records value is reflected in Records and archival system in Korea, and analysed Public Records and Archives Act to approve it. In results the study suggests having positive circle system finally.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.17 no.32
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• pp.199-207
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• 1994

A market has evolved from saturated state to over- saturated state because of variation of industrial circumstances. To improve the competitive power of a business under over- saturated state that the supply exceeds the demand, a business will seek after value management than quality management(QM). This paper define newly the concepts of value and quality and presents the value-management system based on it.

• Journal of the Korean Data and Information Science Society
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• v.17 no.1
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• pp.77-86
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• 2006

This study is to investigate the error of prediction value with related variables from the recommended system and to examine the error of prediction value with related variables. To decrease the error on the collaborative recommended system on user based, this research explored the effects on the prediction related response pair between raters' demographic variables and Pearson's coefficient and sparsity. The result shows comparative analysis between existing error of prediction value and conditioned one.

• Journal of the Chungcheong Mathematical Society
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• v.35 no.1
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• pp.53-67
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• 2022

Nonlinear system of initial value problems involving R-L fractional derivative is studied. Monotone iterative technique coupled with lower and upper solutions is developed for the problem. It is successfully applied to study qualitative properties of solutions of nonlinear system of initial value problem when the function on the right hand side is nondecreasing.

• Proceedings of the IEEK Conference
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• 2003.07d
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• pp.1681-1684
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• 2003

We propose the intelligent tutoring system for the mobile english learning. The proposed system is based on the item response theory to analyze the level of learner. We define the types of item, teaching method and item disposition according to contents modeling. The system estimates the learner level and it gives the learning contents, the evaluation results, and feedback. The system gives those by inference engine which consists of learner's level estimation value, method diagnostic value and disposition diagnostic value.

• Asia pacific journal of information systems
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• v.8 no.3
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• pp.101-118
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• 1998

The purpose of this study is to construct a value-oriented sizing and cost estimation model for system integration projects. In particular, this study is to build a system architecture design and integration cost model, and a network design and implementation cost model. Unlike software development projects, system integration projects include knowledge-intensive professional services on system architecture and network design areas. Because of these work's high invisibility, the cost of these services is hard to estimate and measure. Therefore, we need to develop value-oriented cost models. This study presents 6 value-oriented cost models, and tests statistical significance of these models with real system integration project data. The results show that cost factors on these models are valid, and models are statistically significant. Future work is needed to integrate various cost models and apply the whole model to field projects to increase model's prediction accuracy.

• Journal of the Korean Society of Clothing and Textiles
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• v.41 no.4
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• pp.661-672
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• 2017

This research studies the aesthetic value of typography in fashion, within the framework of system for objective and multilateral research. For this purpose, a literature review and analysis of system and typography were performed. The scope of this research is from 2000 to 2015. The results of the research can be summarized as follows. First, by analyzing system and typography in modern fashion in order to set up a new theoretical standard, we found that the main values of typography in modern fashion concern functionality, hierarchy, stability, independency, and flexibility. Second, by analyzing of aesthetic value of typography in fashion within system, we found that main values the functionality of typography as a marketing tool, the hierarchy of typography as a slogan of subculture, the stability of typography for the increasing of collective belonging, the independency of typography as a linguistic playfulness, and the flexibility of typography as an image. Lastly, each aesthetic value of typography expressed in fashion has similarities and differences. It could be considered in the same vein as the system that always has a double-side character of dependency and independency, universality and individuality. This study has pursued to conduct more research on fashion within a framework of system.

• Journal of The Korean Society of Grassland and Forage Science
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• v.38 no.4
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• pp.298-309
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• 2018

This study examined the multi-functionality of an eco-pastoral system in alpine grassland and measured its economic value. The multi-functionality can be divided into three categories: direct-use value, indirect-use value, and heritage value. Direct-use value includes both extractive (forage and livestock production) and non-extractive (recreation and tourism) functions. Indirect-use value includes the functions of water conservation, soil erosion control, atmospheric control, landscape, livestock-manure management, and forest firebreaks. The heritage value includes the function of species diversity. The results showed that the annual value for 1 hectare of the eco-pastoral system in alpine grassland's direct use was estimated to be 21,090,874 Korean won; the indirect-use value was 15,562,203 won when the landscape in grassland system, and 16,018,224 won when the landscape comprised in silvopastoral system. The value of the species diversity in heritage terms ranged from 767,273 to 1,578,845 won, depending on whether it included any endangered species. The total value of multi-functionality of the eco-pastoral system in alpine grassland was estimated to be a minimum of 37,420,350 won/ha and a maximum of 38,687,942 won/ha. The results of this study can provide useful insights for the eco-pastoral system in alpine grassland policies in Republic of Korea.

• International Journal of Advanced Culture Technology
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• v.9 no.4
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• pp.402-408
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• 2021

We are designed the delivery constitution technique that is to be measure the safe RFID statusof thewireless delivery system level (WDSL) on the delivery system tracking system. The delivery system level condition by the delivery system tracking system is organized with the RFID system. As to inspection a wireless network of the wireless network, we are found of the delivery value with wireless network by the upper take form. The concept of delivery system level is organized the reference of wireless level for delivery signal by the delivery RFID tracking system. Further, symbolizing a safe deliveryof the WDSL of the medium-minimum interval of the RFID tracking system, and the delivery wireless network RFID that was the delivery value of the far delivery of the DSTS-FA-_φMED-MIN with 5.80±1.20 units, that was the delivery value of the convenient delivery of the DSTS-CO-_φMED-MIN with 4.06±(-0.04) units, that was the delivery value of the flank delivery of the DSTS-_φMED-MIN with 0.91±0.07 units, that was the delivery value of the vicinage delivery of the DSTS-VI-_φMED-MIN with 0.18±(-0.03) units. The RFID will be to look into at the safe of the RFID tracking systemwith wireless network bythe delivery system level on the WDSL that is supply the wireless tracking system by the delivery system level system. We will be possible make to curb of a tracking system that to put the wireless signal and to use of the delivery data of RFID level by the delivery system.

• Journal of the Korea Society of Computer and Information
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• v.11 no.3
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• pp.213-219
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• 2006

Interference occurs by signals received from directions that were different from the signals of the users in a mobile communication system. Various studies have been undertaken, including diversity, equalizer, etc., in order to reduce interference. In this study, the weighted value of the array antenna was obtained to improve signal-to-noise ratio. The weighted value was obtained as an eigen value and an eigen vector by using the correlation coefficient of the signal. The weighted value obtained was then applied to the CDMA system to increase system performance and capacity. Both QPSK and OQPSK modulation systems were applied to analyze performance.