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가방 하중의 크기와 방식에 따른 척추 정적 자세의 변화
박용현,김영관,김윤혁,Park, Yong-Hyun,Kim, Young-Kwan,Kim, Yoon-Hyuk 대한의용생체공학회 2011 의공학회지 Vol.32 No.3
The aim of this study was to investigate the alteration of lumbar spine and trunk postures on different load-carrying types and amounts under static loading. Two load-carrying types(unilateral carrying: UC vs. bilateral carrying: BC) and four different loads(0, 5, 10, and 15 kg) were randomly tested in this study. Carrying a heavy bag would affect human body posture, specifically lumbar spine curvature, which is considered as one of sources of back problems. Previous studies have not paid attention to the approach of the multisegment model of the lumbar spine and trunk. This study separated two compartments of trunk segment(the lumbar and thorax) in the analysis. The multisegment model of the lumbar spine in addition to Helen-Hayes marker set was used. Eight motion analysis cameras and a force plate were utilized. Ten male subjects(mean mass, $70.6{\pm}3.97$ kg; mean height, $178{\pm}4.18$ m) having no musculoskeletal disease participated in this study. We analyzed trunk angles in three anatomical planes and the spinal curvature in sagittal and frontal planes. Increased loading in both UC and BC significantly resulted in increases in trunk forward lean but only UC induced increases in trunk lateral lean. In addition, increased loading in BC produced flatten lumbar curvature in sagittal plane. As far as coupling motion, subjects tended to use axial rotation of the lumbar spine in transverse plane in response to increased UC loading. Finally, it is concluded that the increased static loading in UC rather than in BC tends to causes combined alterations of the spinal postures(sagittal and transverse planes together), which would be vulnerable to improper mechanical stresses on the spine.
박용현,Park, Yong-Hyeon 한국대학교육협의회 2007 大學敎育 Vol.149 No.-
로스쿨 법안 통과 후 국내의 많은 대학들이 사활을 걸고 로스쿨 유치를 위해 사력을 다하고 있다. 이에 로스쿨 유치를 희망하는 대학들 간의 공통된 의견과 함께 대비되는 의견은 무엇인지, 인적·물적 인프라 구축정도 및 교육과정과 교육방법, 대학별 특성화전략 등에 대해 알아봄으로써 우리 대학들이 로스쿨을 어떻게 준비해왔고, 추진해왔는지 살펴보고자 한다.
박용현(Park Yong-Hyun),오태곤(Oh Tae-Kon) 한국법학회 2005 법학연구 Vol.18 No.-
Nowadays 'governance' has appeared as a significant concept explaining the change of social system or the role of government, It is not merely the concept replacing the traditional way of ruling the state, but the new problem resolution system regarding the whole social behavior of human being. Among diverse patterns of governance, regional governance is especially useful to cope with global issues across political borders. As the globalization is accelerated, current policy making system or problem resolution system at the level of individual state cannot effectively cope with global issues such as terrorism. Therefore, regional governance is required to bring cooperation in global scale, In regional governance, regional community of neighboring states takes an initiative in solving problems. Accordingly, the state should deal with the change and the challenge of international society in relationship with other nations, international governmental organizations, as well as international non governmental organizations. Furthermore, intergovernmental governance needs to be established inside regional governance in order to respond to vertical decentralization in which the authority and responsibility of central government are transferred to local governments. However, to build effective anti-terrorism system in regional governance, comprehensive convention on the suppression of terrorism should be concluded. Moreover, international cooperation system of criminal action needs to be modified by relaxing the principle of bilateralism and the principle of bilateral aggravated punishment. Current terrorism is supported by either passive legal restriction or progressive aid of some states. Hence, international legal sanction on these states should be reinforced as well.
박용현(Yonghyun Park),황재원(Jaewon Hwang),고영중(Youngjoong Ko) 한국정보과학회 2010 정보과학회논문지 : 소프트웨어 및 응용 Vol.37 No.12
최근 모바일 기기의 발전으로 인하여, PC뿐만 아니라 모바일 기기에서의 정보검색의 요구가 증가하고 있다. 모바일 기기에서 명사를 추출하기 위하여 기존의 언어분석도구를 사용하게 되면, 상대적으로 적은 메모리를 가지고 있는 모바일 기기에는 부담이 되게 된다. 따라서, 모바일 기기에 적합한 언어분석도구의 필요성이 증가하고 있다. 본 논문에서는 대량의 말뭉치로부터 추출한 명사 출현 특성과 후절어를 이용하여 명사를 추출하는 방법을 제안한다. 제안된 명사 추출기는 형태소 분석기를 사용한 기존 명사 추출기의 명사 사전의 약 4% 용량인 146KB의 명사 사전만을 사용함에도 불구하고, 최종적으로 F1-measure 0.86라는 좋은 성능을 얻었다. 또한, 명사 사전에 대한 의존도가 낮으므로, 미등록 명사 추출에 대한 성능이 높을 것으로 예상된다. Since the performance of mobile devices is recently improved, the requirement of information retrieval is increased in the mobile devices as well as PCs. If a mobile device with small memory uses a tradition language analysis tool to extract nouns from korean texts, it will impose a burden of analysing language. As a result, the need for the language analysis tools adequate to the mobile devices is increasing. Therefore, this paper proposes a new method for noun extraction using post-noun morpheme sequences and noun patterns from a large corpus. The proposed noun extractor has only the dictionary capacity of 146KB and its performance shows 0.86 F1-measure; the capacity of noun dictionary corresponds to only the 4% capacity of the existing noun extractor with a POS tagger. In addition, it easily extract nouns for unknown word because its dependence for noun dictionaries is low.
MMORPG의 퀘스트 이해와 플레이어의 다원주의적 이해를 통한 플레이 동기 증강 방안 모색
박용현(Yong-Hyun Park),경병표(Byung-Pyo Kyung),이동열(Dong-Lyeor Lee) 한국콘텐츠학회 2009 한국콘텐츠학회논문지 Vol.9 No.10
MMORPG는 퀘스트는 이야기 전달의 역할보다는 아이템과 경험치와 같은 아바타와 관련된 보상을 통한 게임 플레이 동기부여 역할이 강하다. 이것은 결국 MMORPG를 캐릭터 성장을 위해 퀘스트의 보상을 공부해야 하는 어려운 게임으로 만들어 유저 층의 고착화를 초래하고 있다. 유저 고착화 해소방안으로 퀘스트 플레이의 동기부여 구조를 밝히고 플레이어에 대한 다원주의(多元主義 , pluralism)적인 이해를 통해 다양한 유저의 플레이 동기를 증강 시킬 수 있는 방안을 살펴보았다. 이것은 게임 시스템 내에서 사용자에게 직접질의를 하거나 로그 정보를 활용하는 방법이다. 다원주의적인 이해는 이렇게 수집된 데이터의 활용에 있어서 객관성과 구현 가능성을 보장해 줄 수 있는 가치가 있을 것이다. MMORPG Quest plays a strong role of motivation through compensation related with Avatar such as items and experience points rather than a role of story transfer. This situation finally made MMORPG become a difficult game that players should study the compensation of Quest for growth of a character, so it causes fixation of the user class. As a solving method of the fixation of the users, the possibility of Quest capable of strengthening play motive of various users through clarification of motivation structure of the Quest play and pluralistic understanding about players was investigated. This is a direct response to the user within the game system or how to use the player log information. The pluralistic understanding method of players will have values as a tool that can guarantee the objectivity and actual production of the data collected utilizing.