Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.7
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pp.319-325
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2016
A variety of services for mobile payments by the activation of FinTech have been developed. Various payment methods were developed, and an authentication method was developed to improve the reliability of the payment. On the other hand, when mobile easy payment services are used, they have weak security because the authentication by phone number. Therefore, this paper proposes a technique for increasing the reliability of the authentication process using the unique device ID of the mobile device to improve the authentication process based on the telephone number. The core research contents are the architecture and process for the authentication of mobile payments based on the mobile device ID. The mobile payment architecture consists of a mobile device, authentication service, and mobile payment application. The mobile device consists of mobile device ID and phone number, and the authentication server consists of authentication module and encryption module. The mobile payment service consists of a pre-authentication module and decryption module. The process of mobile payment service is processed by the encrypted authentication information (device ID, phone number, and authentication number) among mobile devices, authentication server, and mobile payment application. The mobile device sends the telephone number and the device ID to the authentication server and the authentication server authenticates the user through an authentication process and encryption process. The mobile payment application performs the pre-authentication process by decrypting the received authentication number. This paper reports a difference that can prevent the risk of leakage of the authentication number in existing payment services through the authentication process of the authentication server and the pre-authentication process of the mobile payment service of this paper.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.12
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pp.381-393
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2016
This was a qualitative study to explore and better understand the adaptation experience and processes of peoples with fibromyalgia syndrome (FMS), as well as to develop a substantive theory using the grounded theory method. There were 13 patients (12 females and 1 male) who received FMS treatment from Rheumatic Medicine outpatient department of one general hospital. The data were collected through an in-depth interview between January and May of 2014. Transcribed interview contents were analyzed by the grounded theory method of Corbin and Strauss (2008). As a result, a total of 98 concepts, 26 sub-categories, and 10 categories were identified through the open coding process. The process of adaptation experience showed 4 steps: perception of uncertainty and limited condition, evaluation of self-control possibility and determinations of expectations of life, searching and trying of strategies, as well as self-regulation. The 4 types of adaptation experience were expansionary, complacently, effusively and withering. The 'protective self-regulation' theory was derived from the core category of 'learning to self-regulation method'. Patients with FMS has repeatedly attempted these strategies of protective self-regulation in order to gain stability from uncertainty and limited condition of the disease. Based on these results, it is necessary to develop an educational program for patients and families which has appropriate nursing intervention strategies in accordance with the types of adaptation.
This study aimed to introduce the main concepts of Supported Living(SL) model, very few of which have discussed in the context of S. Korea, explore the potential to employ SL model, and draw the implication for social welfare for people with developmental disabilities(DD) in S. Korea. For this purpose, this study presented the developmental background, main concepts, and principles of SL model, compared SL with supported housing and explained the features of SL model. Additionally, this study reviewed SL schemes in the UK and Australia to understand how SL schemes impact the lives of people with DD. Furthermore, this study addressed the contents of SL manuals used in the UK and Australia and identified the core aspects of SL practice. Based on the findings, this study highlighted the importance of SL as the conceptual model for independent living of people with DD and discussed the implication of SL model in S. Korea in terms of the national institution for people with DD, service agencies, and service users. This study focused on the SL model as a conceptual model for the independence of people with DD, potentials to employ SL model, and its implication for social welfare for people with disabilities in S. Korea. SL model and its application showed that SL model is effective and flexible in supporting the independent living of people with DD. Findings and implications regarding SL model could be the basis for the development of the Korean supported living system to improve the independent living of people with DD.
Journal of the Institute of Electronics Engineers of Korea TC
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v.45
no.1
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pp.14-26
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2008
IP over Ethernet technology widely used as Internet access uses the ARP(Address Resolution Protocol) that translates an ip address to the corresponding MAC address. recently, there are ARP security attacks that intentionally modify the IP address and its corresponding MAC address, utilizing various tools like "snoopspy". Since ARP attacks can redirect packets to different MAC address other than destination, attackers can eavesdrop packets, change their contents, or hijack the connection. Because the ARP attack is performed at data link layer, it can not be protected by security mechanisms such as Secure Shell(SSH) or Secure Sockets Layer(SSL). Thus, in this paper, we classify the ARP attack into downstream ARP spoofing attack and upstream ARP redirection attack, and propose a new security mechanism using DHCP information for acquisition of IP address. We propose a "DHCP snoop mechanism" or "DHCP sniffing/inspection mechanism" for ARP spoofing attack, and a "static binding mechanism" for ARP redirection attack. The proposed security mechanisms for ARP attacks can be widely used to reinforce the security of the next generation internet access networks including BcN.
Ha, Sangbeom;Khim, Boo-Keun;Colizza, Ester;Giglio, Federico;Koo, Hyojin;Cho, Hyen Goo
Ocean and Polar Research
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v.41
no.4
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pp.265-274
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2019
To trace the provenance of fine-grained sediments in response to the growth and retreat of glaciers (i.e., Ross Ice Sheet) that affects the depositional process, various kinds of analyses including magnetic susceptibility, granulometry, and clay mineral composition with AMS 14C age dating were carried out using a gravity core KI-13-GC2 obtained from the Central Basin of the Ross Sea continental margin. The sediments mostly consist of silty mud to sand with ice-rafted debris, the sediment colors alternate repeatedly between light brown and gray, and the sedimentary structures are almost bioturbated with some faint laminations. Among the fine-grained clay mineral compositions, illite is highest (59.1-76.2%), followed by chlorite (12.4-21.4%), kaolinite (4.1-11.6%), and smectite (1.2-22.6%). Illite and chlorite originated from the Transantarctic mountains (metamorphic rocks and granitic rocks) situated to the south of the Ross Sea. Kaolinite might be supplied from the sedimentary rocks of Antarctic continent underneath the ice sheet. The provenance of smectite was considered as McMurdo volcanic group around the Victoria Land in the western part of the Ross Sea. Chlorite content was higher and smectite content was lower during the glacial periods, although illite and kaolinite contents are almost consistent between the glacial and interglacial periods. The glacial increase of chlorite content may be due to more supply of the reworked continental shelf sediments deposited during the interglacial periods to the Central Basin. On the contrary, the glacial decrease of smectite content may be attributed to less transport from the McMurdo volcanic group to the Central Basin due to the advanced ice sheet. Although the source areas of the clay minerals in the Central Basin have not changed significantly between the interglacial and glacial periods, the transport pathways and delivery mechanism of the clay minerals were different between the glacial and interglacial periods in response to the growth and retreat of Ross Ice Sheet in the Ross Sea.
This study analyzes flavor ingredients according to types of whisky and maturation periods based on total 40 different types of whisky that are mainly distributed to Korea via imports. Whisky was classified into four categories based on origin, and also into different categories based on maturity period, ingredients such as fusel alcohol, fatty acid, and fatty acid esters and proportion of patterns were analyzed. As a result of an analysis for fusel alcohol, high qualified types of alcohol including 3-methylbutanol, 2-methylbutanol, iso-butanol, and 1-propanol were detected from all Scotch whiskys, America whiskys, and Canadian whiskys. In particular, the proportional sum of 3-methylbutanol and 2-methylbutanol, and the sum of 3-methylbutanol and 2-methylbutanol/iso-butanol were regarded as core factors to determine each type of whisky. Acetaldehyde, ethyl acetate, and acetic acid increased as maturation and storage period became longer. As a result of the fatty acid and fatty acid ethyl ester analysis, the major fatty acids were dodecanoic acid and decanoic acid, both with detection of octanoic acid and hexanoic acid. However, dodecanoic acid, decanoic acid, and octanoic acid were lower than the detectable limit in American and Canadian whiskys, showing a unique phenomenon that hexanoic acid was detected only in very small amounts. Malt Scotch whisky showed higher significance than blended Scotch whisky, making it possible to classify types of whisky. Fatty acid ethyl ester contents showed significance with fatty acid either. In addition, changes in the whiskys based on maturation period were confirmed via proportions of fatty acids and fatty acid ethyl esters. In general, the proportion of fatty acids and fatty acid ethyl esters decreased as the storage period increased. This study provided basic data to classify types of whisky based on maturation periods by analyzing the proportion of flavor ingredients such as fusel alcohols, fatty acids, and fatty acid ethyl esters.
Journal of Korea Society of Industrial Information Systems
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v.17
no.1
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pp.47-62
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2012
To propagate clinical disease management service, there should be built a ecosystem where service developers, service providers, device suppliers closely cooperate for u-Health platform. However, most u-Health platform is difficult to build an effective ecosystem due to the lack of secure and effective PHR(Personal Health Record) management, the lack of personalized and intelligent service, difficulties of N-screen service. To solve these problems we suggest the CDMP(Chronic Disease Management Platform) architecture. The CDMP is a software platform that provides the core functions to develop the chronic disease management services and performs a hub function for the link and integration rbetween various services and systems. CDMP is SOA based platform that enables a provision of reusability, expansibility and it provides open API where everybody can share information, contents and services easily. CDMP supports the multi platform system foN-screen service and the self management functions via SNS. In this paper, we design and implement the CDMP including PHR service based on hybrid data model for privacy preservation. Experiment results prove the effectiveness of hybrid model-based PHR service.
1. Objectives: We aimed to propose a sub-classification system for the Taeeumin symptomatology by examining the Taeeumin pathology and symptomatology descriptions appearing in "Donguisusebowon". 2. Methods: The Gabo Edition and the Sinchuk Edition (the upgraded and revised edition) of "Donguisusebowon" were reviewed and examined for relevant information on the Taeeum pathology and symptomatology. 3. Results and Conclusions: 1) In the Taeeumin symptomatology, the Exterior disease develops from the basic pathology of Esophagus-Cold and the Interior disease from that of Liver-Heat, eventually progressing to damage of the expirational and dispersive energy of the Lung Sector, the Prime Core Organ or the excessively small organ of the Taeeum constitutional type. The resulting pathology can be broadly defined as the "Lung-Dryness symptomatology". 2) The case reports introduced in the Exterior disease section, including the Zhang Zhongjing Mahuang-tang treatment, Prolonged-affliction disease treatment, and Exterior disease Pestilential disease treatment, share several points in common. They all arise from the pathology of "weakness in the Lung sector and deficiency in the Exterior sector", and they can all be assigned to the same symptomatological division that presents with systemic heat and cold intolerance; this symptomatology can be defined as the "Esophagus-Cold symptomatology", the milder subdivision of the exterior symptomatology. 3) The body of text appearing in the last part of the Interior disease section commonly referred to as the "Taeeumin Conspectus" is in fact not a conspectus when its contents are actually examined. Instead, it can be understood from its pathological and symptomatological descriptions that the passage is explaining the more severe subdivision of the exterior symptomatology that has progressed from Esophagus-Cold to a pathology characterized by damaged expirational and dipersive energy of the Lung Sector. 4) The relocation of the "dry-related pathology" indicates a change in perspective regarding the "Dry-related symptomatology", which caused the rearrangement of the Interior disease into divisions of Liver-Heat symptomatology that is characterized by fulminant heat pathology and Dry-Heat symptomatology that is also accompanied by Lung-Dryness. 5) The Interior disease Yin-Blood Consumptive symptomatology should be included in the Dry-Heat symptomatology in the pathological scheme. 6) Based on the above, the subdivisions of the Taeeumin symptomatology should be arranged as "Esophagus-Cold symptomatology" and "Lung-Dry-Cold symptomatology" in the Exterior disease and "Liver-Heat symptomatology" and "Dry-Heat symptomatology" in the Interior disease.
Precambrian metamorphic rocks of the Cheongpyeong-Yangpyeong area, central Gyeonggi massif, comprise gneiss, schist, quartzite and amphibolite. Mineral, assemblages of pelitic gneisses are characterized by biotite + cordierite + garnet + sillimanite + K-feldspar + plagioclase + quartz together with minor muscovite, spinel and corundum, and represent the granulite facies metamorphism. In particular, kyanite occurs as fine-grained relict phase inside plagioclase of three gneiss samples. Metamorphic conditions are estimated from garnet-biotite and garnet-cordierite geothermometers in conjunction with garnet-$Al_2SiO_5$-quartz-plagioclase (GASP) and garnet-rutile-$Al_2SiO_5$-ilmenite (GRAIL) geobarometers. They are 700-$850^{\circ}C$ and 3.2-8.3 kbar, and 580-$690^{\circ}C$ and 2.1-3.2 kbar, respectively, when the core and rim compositions of garnet are use. Garnet of the GASP assemblage increases rimward in the Fe and Mn contents but decreases in the Mg content, whereas its Ca content does not vary significantly. Together with the occurrence of relict kyanite and the result of P-T estimates, compositional zoning patterns of garnet indicate a clockwise P-T history. Moreover, the preservation of high-pressure minerals such as kyanite in plagiocalse, even after the medium-pressure granulite facies metamorphis, suggests a rapid change in P-T conditions.
Objectives: The purpose of the study is to investigate and analyzed the current status of a dental hygiene curriculum according to the dental hygienist competency. Methods: The study subjects were 59 courses in the department of dental hygiene in G University from April 1 to May 30, 2015. Except for liberal arts, 51 courses were finally selected and analyzed for the relationship between the curriculum and competency. For each course, systematic reviews were made by subject name, core competency, achievement goals, lecture hours, weekly themes, and learning goals. Three experts in the dental hygiene evaluated and analyzed the association of competency and goals. Results: Each course was operated by the goal from one to twenty two competencies of dental hygiene. Achieving one item of competency in a course required 13 hours on the average from minimum 2 hours to maximum 30 hours. More than 20 courses were operated and more than 900 hours were necessary for achieving the competency. The competency included the contents of 'Be able to utilize basic medical and dental knowledge in dental hygiene care and patient care' among the dental hygiene competencies. Conclusions: Competency based dental hygiene education will provide theoretical background for defining the identity of dental hygienist as a health care worker and to encourage professionals who contribute to the recognition of healthy society. Further research should be continued for improving the competency-based dental hygiene curriculum and education methods for implementing the curriculum within the paradigm of health care services.
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