• Proceedings of the Korea Inteligent Information System Society Conference
• /
• 2001.01a
• /
• pp.385-392
• /
• 2001

This paper proposes a meta modeling technique which permits to describe a KBS according to three axis: the object of reuse axis, the levels of granularity axis and the reuse process axis. The object of reuse axis allows to see a KBS as a set of inter-related components for reuse purposes. The levels of granularity axis allows to describe the KBS components according to different levels of granularity for clarity and reuse purposes. The reuse process axis allows to see the KBS components as (re)usable components.

• Journal of Digital Convergence
• /
• v.13 no.12
• /
• pp.171-177
• /
• 2015

The aim of the study is to introduce a software reuse technique into a generalized agile process for a reuse of a product backlog item. The software engineering community has made some efforts to integrate software reuse and agile methods. Most studies have emphasized the use of agile practices in software product line engineering, whereas reuse in agile methods has received little focus. Nevertheless, the activities and artifacts that provided by an agile method exhibit characteristics that promote reuse. In this paper, we identify catalytic activities and characteristics that promote reuse in a generalized agile process, and we suggest a reuse technique for a product backlog item. Based on our results, we integrate a backlog factoring technique into a generalized agile process for reuse. In addition, we apply the proposed technique and demonstrate a prototype of backlog item reuse in agile methods for a restaurant chain application.

• Journal of Korean Society of Water and Wastewater
• /
• v.20 no.4
• /
• pp.535-543
• /
• 2006

The Ozone oxidation process was applied to increase the efficiency of reuse process when treating the secondary effluent by the membrane system. This paper focus on decreasing efficiency of membrane fouling, because of membrane fouling reduction by ozone and evaluation of application of the ozone oxidation. The feed water was secondary effluent from BNR process. The result shows that the ozone pretreatment can reduce membrane fouling effectively. Also, the improvement of treated water quality was obvious. The reduction of the membrane fouling led decrease of following pollutant and increase of lnner adsorptive ability of hydrophilic organic matter and decrease of molecular weight. MF membrane process alone can meet the domestic reuse water standards. And ozone pretreatment process also can increase the removal rates of turbidity, COD, nitrogen, and color.

• Journal of Korean Society on Water Environment
• /
• v.16 no.4
• /
• pp.513-521
• /
• 2000

Intermittently aerated activated sludge process was applied as a water reuse process of $70m^3/day$ for the upgrade of organic, nitrogen and phosphorus removal efficiency and clarifier performance. After application of the intermittently aeration, removal efficiency of BOD, SS, T-N and T-P were achieved 95%, 90%, 80% and 60%, respectively. Removal efficiencies in intermittently aerated process were considerably increased. comparing to those of continuously aerated activated sludge process. Also sludge rising problem in clarifier was improved. Average concentration of supplied reusing water were BOD 5 mg/L, turbidity 4 NTU and after chlorination, residual chlorine 0.4 mg/L, coliform 0 MPN/100mL. Intermittently aerated activated sludge process could be one of the best alternative process for the retrofit of conventional activated sludge process for the removal of nutrient in water reuse system.

• Journal of Information Technology Applications and Management
• /
• v.16 no.3
• /
• pp.45-58
• /
• 2009

This paper is an empirical study especially to understand recent Chinese internet banking users' behavior and intentions through the process quality, outcome quality, customer satisfaction, reuse and word of mouth on internet banking service. The results of this study are as follows. First, percieved process quality of internet banking service affects the outcome quality, and both quality have a direct relation to customer satisfaction. It is found that Chinese internet users perceive a difference between process quality and outcome quality of internet banking service. And the reuse of the internet banking is decided by customer satisfaction as well as the word of mouth of the internet banking. For successful internet banking business in China, internet marketers should recognize that the service quality consists of the process quality and the outcome quality, and they should organize a new campaign that takes this information into consideration. And considering the process quality effect, they should pay attention to service process as well as the direct merit of services.. And if an internet banking service properly meets customer demands, internet users would constantly use internet services and would share good experiences with their neighbors. Therefore the result of our study will be of working-level help for financial company in China.

• Journal of Korean Society on Water Environment
• /
• v.26 no.4
• /
• pp.580-584
• /
• 2010

As water becomes more scarce around the world the reuse of treated wastewater is being recenlty considered as indispensible trend we need to follow. Especially, industrial area consuming large amount of water has been encouraged to reuse the treated wastewater to secure sufficient water for the production of merchandise. In this study, a study of advanced oxidation process for treatment of industrial wastewater. The treatment performance of UV and ozoznation and five types advanced oxidation processes such as UV/AC, UV/Catalyst, $O_3$/Catalyst, UV/$O_3$/Catalyst was experimentally investigated for reuse of industrial wastewater. The removal efficiency of $COD_{Cr}$, color were relatively evaluated in each treatment unit simulated outflow water of wastewater treatment area. UV/$O_3$/Catalyst process showed the highest $COD_{Cr}$ remaval and color remaval among proposed oxidation process.

• Journal of Communications and Networks
• /
• v.18 no.5
• /
• pp.773-783
• /
• 2016

Both coordinated multi-point transmission and frequency reuse are effective approaches to mitigate inter-cell interference and improve network coverage. The motivation of this work is to explore the manner to effectively utilize the spectrum resource by reasonably combining cooperation and frequency reuse. The $Mat{\acute{e}}rn$ cluster process, which is appropriate to model networks with hot spots, is used to model the spatial distribution of base stations. Two cooperative mechanisms, coherent and non-coherent joint transmission (JT), are analyzed and compared. We also evaluate the effect of multiple antennas and imperfect channel state information. The simulation reveals that the proposed approach to combine cooperation and frequency reuse is effective to improve the network coverage for users located at both the center and the boundary of the cooperative region.

• Journal of the Korea Society of Computer and Information
• /
• v.9 no.3
• /
• pp.103-107
• /
• 2004

Software Reuse have the advantages of increasing productivity and software reliability reducing the period for software development and cost, sharing the information which is related to software. Vertical Reuse is the method which reuse is restricted to a specific area and can increase the reliability of software reuse due to high understanding of related area. Bottom-up approach of Vertical Reuse classifies the related information and s the results. It allows the reuse of not only pure source code but also informal documents.

• Journal of Soil and Groundwater Environment
• /
• v.13 no.1
• /
• pp.32-42
• /
• 2008

A surfactant recovery and reuse process by selective adsorption with activated carbon was proposed to reduce surfactant cost in a soil washing process. Mathematical model simulation was performed for the whole process, which consists of soil washing, soil recovery, and soil re-washing. The optimal range of surfactant dosage was $6{\sim}10$-fold critical micelle concentration in soil. The efficiency of surfactant reuse process was decreased with increasing the dosage of activated carbon. Effectiveness factor for activated carbon significantly altered the efficiency of the reuse process unlike effectiveness factor for soil. Total requirement of surfactant was reduced to 20-30% with the reuse process compared to the conventional soil washing process. The contamination of wastewater after soil washing was reduced with the reuse process. This mathematical model can be used to estimate performance of the whole process of soil washing including surfactant recovery and to obtain optimal ranges of operating conditions without extra labor-intensive experimental works.

• Proceedings of the IEEK Conference
• /
• 2001.10a
• /
• pp.437-442
• /
• 2001

In an integrated steel mill, zinc (Zn) inputs from raw materials and steel scrap are enriched in the dusts and sludges collected from gas and water cleaning systems. The reuse of these dusts and sludges must be controlled within certain limit to avoid Zn accumulation and related operational problems in blast furnace. An integrated system has been established at China Steel Corporation (CSC) to enhance the internal reuse of Zn-containing dust/sludge while keeping Zn input within control lim it. However. the performance of this system has not been very satisfactory until one and half years ago when a rationalization process was initiated. The essence of this rationalization process, the recent improvements in Zn control and dust and sludge reuse are reported and discussed.