• ETRI Journal
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• 제42권3호
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• pp.433-445
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• 2020

A denial-of-service (DoS) attack is a serious attack that targets web applications. According to Imperva, DoS attacks in the application layer comprise 60% of all the DoS attacks. Nowadays, attacks have grown into application- and business-layer attacks, and vulnerability-analysis tools are unable to detect business-layer vulnerabilities (logic-related vulnerabilities). This paper presents the business-layer dynamic application security tester (BLDAST) as a dynamic, black-box vulnerability-analysis approach to identify the business-logic vulnerabilities of a web application against DoS attacks. BLDAST evaluates the resiliency of web applications by detecting vulnerable business processes. The evaluation of six widely used web applications shows that BLDAST can detect the vulnerabilities with 100% accuracy. BLDAST detected 30 vulnerabilities in the selected web applications; more than half of the detected vulnerabilities were new and unknown. Furthermore, the precision of BLDAST for detecting the business processes is shown to be 94%, while the generated user navigation graph is improved by 62.8% because of the detection of similar web pages.

• 한국수산과학회지
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• 제49권1호
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• pp.45-52
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• 2016

This experiment investigated changes in metabolic rate (MO₂), critical oxygen saturation (S_crit), and blood chemistry of olive flounder Paralichthys olivaceus exposed to progressive hypoxia and returned to normoxic water at 20°C. The normoxic standard metabolic rate (SMR) and routine metabolic rate (RMR) were 69.5-83.9 and 70.2-156.4 mg O₂ kg^-1h^-1, respectively based on fish weight. S_crit was 31.0% dissolved oxygen (DO) at 20°C. After returning the fish to 70% DO following exposure to hypoxia (20% DO), MO₂ increased two-fold compared to the normoxic SMR and then decreased into the range of the RMR with time. Blood PO₂ and plasma lactate decreased significantly after exposure to hypoxia (20% DO) and then increased as ambient oxygen saturation decreased. Cortisol levels increased as ambient oxygen saturation decreased, but the levels decreased rapidly in the range of the normoxic control when the fish were returned to ambient water with 70% DO. Plasma glucose levels increased when the fish were returned to normoxic water after exposure to a progressively more hypoxic condition.

• 생약학회지
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• 제27권2호
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• pp.129-135
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• 1996

Euphorbia ebracteolata Hayata is a perennial herb of Euphorbiaceae that has a cyathumal inflorescence, the glands of the involucres are rounded-cordate and reddish, stems are erect, thick and 40-50 cm high. The leaves are alternate and rather numerous. So far this plant has been known as a unreported species in Korea. However, as the result of this study, this plant was found to be widely distributed in Korea over eight habitats, i.e. Keunduk, Dokye and Kaliwangsan, Kangwon-do: Dunduksan, Kyongsangbuk-do: Okcheon, Chungcheongbuk-do: Manduksan, Baekyangsan and Naejangsan, Jeolanam-do. On the other hand, its variety, E. ebracteolata var. coreana Hurusawa which grows only in Poong-do, Kyongki-do was reviewed by comparative morphology and chemotaxonomy to be resulted in the same species, E. ebracteolata.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2017년도 9th Asian Crop Science Association conference
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• pp.370-370
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• 2017

This study was carried out to investigate the current use and the demand for Jeonju-bibimbab rice and to suggest the suitable range of bibimbab rice. We conducted a survey on varieties and rice quality of Jeonju bibimbab restaurants from April to August 2016. In a survey of 12 bibimbab restaurants in Jeonju, the restaurants showed that 83% of the 10 restaurants were using shindongjin rice variety. Characteristics of rice suitable for bibimbab were showed low stickiness, high hardness, so it should keep the shape of rice when cooked and mixed with the ingredients. and people tend to prefer a large grain of rice. Also, the rice used in bibimbab restaurants were examined the average percentages of head rice ratio 89%, protein content 6% and moisture content 14.5%. These results suggest that the quality of rice, which is suitable for bibimbab, is similar to the range of common rice. Thousand grain weight over 24g is especially preferred. In conclusion, the quality and grain size of rice preferred for bibimbab rice was the level of Shindongjin.

• 한국작물학회:학술대회논문집
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• 한국작물학회 2017년도 9th Asian Crop Science Association conference
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• pp.261-261
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• 2017

This study was carried out to provide basic data for spreading rice direct seeding by inducing stabilization of seedlings, yield and quality according to sowing times in rice direct seeding cultivation. In 2016, 'Sukwang' was seeded 3 times by 10 days interval on May. 10, 20, 30 and 6kg/10ha of seeding rate respectively in Iksan. In summary, the number of rice seedling establishment was higher than the optimum seedling establishment level at all sowing periods and the seeding rate was better as the sowing period was delayed. Weed development by sowing was the highest at early sowing, May 10, and decreased at late sowing. Heading dates were delayed by 3days for sowing on May 10, 7days for sowing on May 20, and 11 days on sowing on May 30. Rice yield increased with the delay sowing time and compared to the transplanting. It was 84% in sowing on May 10, 94% in sowing on May 20, and 99% in sowing on May 30. In addition, head rice ratio and head rice yield increased according to delayed of seedling.

• Parasites, Hosts and Diseases
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• 제39권4호
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• pp.301-306
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• 2001

A total of 827 malaria cases were reported in the Gangwon-do in the year 2000. There were 18.2 cases per 100,000 inhabitants. There were 283 cases among civilians and 544 cases among the military. 90.6% of cases were reported in Cheorwon-(531), Hwacheon- (152), and Goseong- (66) gun (county), which bordered the demilitarized zone (DMZ). A distinct feature pertaining to the malaria cases in Gangwon-do is that the number of cases has increased about two times over the last year. The mean time from the beginning of symptoms to malaria diagnosis was five days. Control systems for malaria by public health organizations and military organizations are well maintained , but were not able to reduce the malaria prevalence rate. The cause for the increase in pattern of the malaria cases in Gangwon-do may be caused by the spreading of prevalent areas of malaria to the east. Continuous endeavor such as early detection of cases, early treatment, education on clinical symptoms and prevention of mosquito bites with repellent and mosquito nets will help to reduce the infection rate of malaria in Gangwon-do.

• 대한원격탐사학회:학술대회논문집
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• 대한원격탐사학회 2008년도 International Symposium on Remote Sensing
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• pp.29-32
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• 2008

In this paper, we propose one unsupervised classification technique using the degree of polarization (DoP) and the co-polarized phase-difference (CPD) statistics, instead of the entropy and alpha. It is shown that the DoP is closely related to the entropy, and the CPD to the alpha. The DoP explains the feature how much the effect of multiple reflections is contained. Hence, the DoP could be used as an important factor for classifying classes. The CPD can also be computed from the measured Mueller matrix elements. For the smooth surface scattering, the CPD is about $0^{\circ}$, and for dihedral-type scattering, the CPD is about $180^{\circ}$. A DoP-CPD diagram with appropriate boundaries between six different classes is developed based on the SAR image. The classification results are compared with the existing Entropy-alpha diagram as well as the IPL-AirSAR polarimetric data. The technique may have capability to classify an SAR image into six major classes; a bare surface, a village, a crown-layer short vegetation canopy, a trunk-layer short vegetation canopy, a crown-layer forest, and a trunk-dominated forest. Based on the DoP and CPD analysis, a simple three-component decomposition technique was also proposed.

• Fisheries and Aquatic Sciences
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• 제18권4호
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• pp.405-410
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• 2015

The Korean lumpsucker, "Do-chi", reported previously as Eumicrotremus orbis, was reinvestigated on the basis of specimens collected from Korea, Japan, and the USA. Morphological and genetic analyses showed that "Do-chi" corresponds to Eumicrotremus taranetzi and clearly differs from E. orbis. Eumicrotremus taranetzi is readily distinguishable from E. orbis by its large, high spiny tubercles with weak, small or no prickles (small, low spiny tubercles with distinct prickles in E. orbis) and 3-4 pairs of spiny tubercles in the dorsal rows (five pairs in E. orbis). We compared partial sequences (466 bp) of the mitochondrial cytochrome c oxidase subunit I genes of "Do-chi" and other Eumicrotremus species. "Do-chi" and E. taranetzi were clustered by the smallest Kimura two-parameter genetic distance (d = 0.000-0.002) and were clearly separated from E. orbis (d = 0.035-0.037). Therefore, our results suggest that the scientific name of the Korean lumpsucker, "Do-chi" should be changed to E. taranetzi.

• 산경연구논집
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• 제6권3호
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• pp.27-33
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• 2015

Purpose - This paper's aim is to analyze the technological information in patent databanks as a strategy in prospecting for new technologies. Research design, data, and methodology - We detail the major free electronic database sources for patent information, the patent documents, the patent document structures, INID codes (Internationally Agreed Numbers for the Identification of Data), indexation, references, and classification notions. Additionally, we review and analyze information on the activities of the Center of Dissemination Documentation and Technological Information (CEDIN) from the National Institute of Intellectual Property (INPI) of Brazil for the period 2000 to 2011. Results - The research shows that the technological information contained in the patents could provide a wide range of functionality within companies and universities. Conclusions - In recent years, (CEDIN), a specialist in intellectual property, has been serving internal and external users by providing guidance on the basis of patents and other literature, but the number of users served is still small. In order to familiarize more potential users of such technological information, task forces should be created among INPI, universities, and companies.

• Journal of Astronomy and Space Sciences
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• 제17권2호
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• pp.181-188
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• 2000

DO Cas는 최근 Shaw (1990)에 의해 근접촉쌍성으로 분류된 공전주기 0.68일의 식쌍성이다. 짧은 공전주기를 가짐에도 불구하고 Mannino (1958) 이후 분광관측에 의한 시선속도 곡선이 발표되지 않고 있다. 그런데 Hill (1991)은 Mannino의 시선속도곡선이 오류를 포함하고 있는 것으 로 보인다고 하였다. 이 연구에서 우리는 Asiago 천문대에 의뢰하여 Mannino가 분석한 분광관측 사진건판을 입수하여 PDS로 측정하여 IRAP로 재분석하였다. 이 시선속도곡선과 1998년에 관측한 BVR 광도곡선을 Wilson-Devinney 방법으로 동시에 분석하였다. 그 결과 DO Cas가 접촉 또는 주성이 로쉬엽을 채우고 있는 접촉에 매우 가까운 준분리형 쌍성임을 확인하였으며 또한 이 계의 절대량을 구하였다.