• ETRI Journal
• /
• v.27 no.1
• /
• pp.22-42
• /
• 2005

Traditional traffic identification methods based on wellknown port numbers are not appropriate for the identification of new types of Internet applications. This paper proposes a new method to identify current Internet traffic, which is a preliminary but essential step toward traffic characterization. We categorized most current network-based applications into several classes according to their traffic patterns. Then, using this categorization, we developed a flow grouping method that determines the application name of traffic flows. We have incorporated our method into NG-MON, a traffic analysis system, to analyze Internet traffic between our enterprise network and the Internet, and characterized all the traffic according to their application types.

• KOREAN JOURNAL OF CROP SCIENCE
• /
• v.41 no.6
• /
• pp.698-703
• /
• 1996

To elucidate the proper nitrogen application method for machine transplanting of rice infant seedling in no-tilled paddy, Dongjinbyeo was used and nitrogen was applied five methods including conventional application method. Leaf color was darker at 80% of total nitrogen was applied as basal and lighter at 20% of total nitrogen was reduced than conventional application method in tillering stage, but wasn't significantly different after panicle formation stage among the application method. And it was thinner at tillering stage and was darker after panicle formation stage in no-tilled paddy compared with tilled paddy. Tiller number, LAI and top dry weight were more at 80% of total nitrogen was ap-plied as basal than conventional application method, and more in tilled paddy than no-tilled one at tillering stage, but at heading stage they were highest at top dressing applied 25 days after transplanting. C.G.R was highest at top dressing for tillering was delayed and it was lower in no-tilled paddy at tillering stage but was higher after panicle formation stage than in tilled one. Yield was highest at top dressing time was delayed among nitrogen application method, but wasn't significantly different between tilled method in same nitrogen application method.

• Journal of the Korea Institute of Building Construction
• /
• v.6 no.2 s.20
• /
• pp.65-72
• /
• 2006

The amount of water demand at large buildings is increasing with the concentration of population to city and a rise in the standard of living in the city area. In this reason the Water Shortage is expected and a problem of water pollution by the city sewerage is increasing. One of method of saving city water demand and city sewer is applying recycling water system witch make used water reuse by purification of water. The application of recycling water system witch make used performed since the application of Lotte World Complex. But the popularization of this system is not activated because of cost problem and feeling of people to the water recycled. So in this study, provide application method for recycling water system by propose the estimation method of optimal sizing of recycling water system.

• Proceedings of the Korean Geotechical Society Conference
• /
• 2000.09a
• /
• pp.19-31
• /
• 2000

Geotextile container method is an environment-friendly construction method that is utilized to build up a breakwater and an underwater embankment, etc. using geotextile container, which is producted by filling the geotextile bag with sand or dredged materials. Geotextile containers are divided into geobags, geotubes and geocontainers based on their size and production method. In recent years, the number of application for the geotextile container method is rapidly increasing in the world, and the development of the effective construction method is focused. In this study, the application and the achievement of the geotextile container method will be introduced, and the practical construction examples and the trend of technology development in foreign country will be discussed.

• Transactions of Materials Processing
• /
• v.6 no.3
• /
• pp.233-238
• /
• 1997

The estimation of the forming force required for metal forming process is unavoidable for selecting suitable machine and dimensioning die and punch parts. For this purpose the upper-bound method turns out to be very practical in simple two-dimensional cases under well-known boundary conditions. However, the application of this method for complicated two-or three-dimentional cases is very limited or practically impossible. The modified application of FEM in a manner of applying the upper bound method(the so-called Upper-bound Finite Element Simulation Method) fortunately provides the posibility of getting important information about the forming process in a simple and quick way before realizing the process on the machine. It is expected to function successfully even in three-dimentional cases. The application procedure has been explained for two-dimensional cases and its usefulness shown.

• The Journal of Korean Association of Computer Education
• /
• v.21 no.6
• /
• pp.27-37
• /
• 2018

In this paper, we propose a design and development method of an elevator simulator that can be used as an embedded application layer software learning tool and a teaching and learning method using it. The simulator provides students with an environment to implement the operating principle and control method of the elevator system in the application layer excluding the issues of hardware and embedded OS layer. This allows students to have a reactive and real-time embedded application development experience. In addition, we present a four-week embedded application software training course with hands-on exercises that add step-by-step functionality using a simulator. As a result of training for actual students, we obtained 83.3 points of learning achievement score and proved that the curriculum has a significant effect on embedded application learning.

• Journal of the Korea Institute of Information Security & Cryptology
• /
• v.21 no.1
• /
• pp.213-219
• /
• 2011

Due to the rapid growth of smartphone market, the security threats are also increased. One of the smartphone security threats is that w1Verified applications are distributed on the smartphone market. In the case of Andoroid market, Google have no Application Approval Process that can detect malicious android application so many malicious android applications are distributed in the Android market. To reduce this security threat, it is essential the skill to detect the malicious activities of application. In this paper, we propose the android application analysis method for malicious activity detection and we introduce the implementation of our method which can automatically analyze the android application.

• Proceedings of the Korea Concrete Institute Conference
• /
• 2006.05a
• /
• pp.310-313
• /
• 2006

The purpose of this study is to develop Performance Based Design Method based on application of Fragility Method. Fragility Method has been used in predicting failure of structure due to seismic action, However, development of Fragility Curve based on material or construction for PBD is developed, This paper suggests that Fragility Method can be modified for PBD and can assess the performance of concrete material or construction.

• Journal of Korean Ophthalmic Optics Society
• /
• v.10 no.2
• /
• pp.127-132
• /
• 2005

Beginning the use of medical order with color contact lens, recently the color contact lens wearer increases for cosmetic order in the world. The marufacture of color contact lenses was the pigment application method, the pigment inlay method, the sandwich method, the vinding method, and so on. Now in domestic, the main use of manufacture has been the binding method. In the point of the use and manufacture of the color contact lenses, the classification of color contact lenses was the tinted and the cosmetic types. However the generally coloring of color contact lenses was the stain-method and the staining was marufactured by the thin film methods.

• Journal of Biosystems Engineering
• /
• v.32 no.6
• /
• pp.383-388
• /
• 2007

In precision farming, proper calibration and operation of a variable rate machine are critical to reduce input of agrochemicals and to ensure productivity and quality of agricultural products. As an effort to introduce precision farming to rice production in Korea, a pneumatic granular applicator was developed. This investigation intended to evaluate the application performance such as application accuracy, application uniformity and to suggest how to adjust the blow-heads to get uniform application pattern, and to suggest a practical way of adjustment of the blow-heads for uniform application. Tests to evaluate the application performance were conducted. The application uniformities (CV) in both transverse direction and longitudinal direction were less than 15% and application accuracy was greater than 81%. A simple method for adjusting the inserting length of blow-heads was suggested.