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Performance Comparison of Out-Of-Vocabulary Word Rejection Algorithms in Variable Vocabulary Word Recognition (가변어휘 단어 인식에서의 미등록어 거절 알고리즘 성능 비교)

  • 김기태;문광식;김회린;이영직;정재호
    • The Journal of the Acoustical Society of Korea
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    • v.20 no.2
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    • pp.27-34
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    • 2001
  • Utterance verification is used in variable vocabulary word recognition to reject the word that does not belong to in-vocabulary word or does not belong to correctly recognized word. Utterance verification is an important technology to design a user-friendly speech recognition system. We propose a new utterance verification algorithm for no-training utterance verification system based on the minimum verification error. First, using PBW (Phonetically Balanced Words) DB (445 words), we create no-training anti-phoneme models which include many PLUs(Phoneme Like Units), so anti-phoneme models have the minimum verification error. Then, for OOV (Out-Of-Vocabulary) rejection, the phoneme-based confidence measure which uses the likelihood between phoneme model (null hypothesis) and anti-phoneme model (alternative hypothesis) is normalized by null hypothesis, so the phoneme-based confidence measure tends to be more robust to OOV rejection. And, the word-based confidence measure which uses the phoneme-based confidence measure has been shown to provide improved detection of near-misses in speech recognition as well as better discrimination between in-vocabularys and OOVs. Using our proposed anti-model and confidence measure, we achieve significant performance improvement; CA (Correctly Accept for In-Vocabulary) is about 89%, and CR (Correctly Reject for OOV) is about 90%, improving about 15-21% in ERR (Error Reduction Rate).

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인터넷 기반 원스톱서비스 시스템 개발에 관한 연구 -수출컨테이너화물 원스톱서비스 시스템 개발-

  • 박남규;최형림;김현수;박영재;조재형;이철우
    • Proceedings of the CALSEC Conference
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    • 1999.11a
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    • pp.159-168
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    • 1999
  • 오늘날 우리 나라가 당면한 최우선 경제과제중 하나는 물류부문의 혁신을 통한 국가경쟁력 강화라고 할 수 있으며, 이를 위해 정부도 1993년 물류체계 개선을 위한 장기구상으로 ‘화물유통체계 개선 10개년 기본계획’을 수립하여 적극 추진 중에 있다. 그러나 이러한 노력에도 불구하고 PORT-MIS사용자를 상대로 한 설문조사에서는 선박입출항 업무 관련 서류의 40%, 항만시설 사용 업무와 관련된 서류의 31%, 하역업무 관련 서류의 10%만이 EDI를 활용하고 있었다. EDI 활용이 저조한 사유로는 전송시간이 많이 걸리며, EDI 소프트웨어가 작동되지 않으며, 수신확인이 되지 않기 때문이라 응답을 하였다. 이처럼 오늘날 항만물류산업이 겪고 있는 물류 데이타 흐름의 단절적 현상은 시간이 흐를수록 해결될 기미가 보이고 있지 않다. 따라서 본 논문에서는 우리 나라가 겪고 있는 물류관련 업무를 한번의 데이터 입력으로 해결할 수 있는 원스톱 서비스 시스템개발을 목표로 우선 PORT-MIS EDI 업무를 처리할 수 있는 시스템을 구축하였다. 이는 향후 화주, 운송사, 선사, 포워더, 창고업자, 하역회사, 철도청, 화물터미널, 컨테이너 터미널, 해양수산청, 관세청, 출입국관리사무소, 검역소 사이에 서로 교환되는 적하목록, Booking List, 컨테이너 Pick up정보, 위험물 정보, COPINO 정보를 비롯하여 대 관세청 신고 등 수출컨테이너 화물업무의 전반적인 영역으로까지 쉽게 확대할 수 있을 것이다. 본 연구결과 구축된 시스템은 원천정보를 중앙의 통합데이터베이스에 저장하여 이를 사용자의 요구에 의해 인터넷을 통해 전달하는 FTP와 웹 EDI 방식을 결합한 하이브리드 형태이다.인터넷으로 주문처리하고, 신속 안전한 배달을 기대한다. 더불어 고객은 현재 자신의 물건이 배달되는 경로를 알고싶어 한다. 웹을 통해 물건을 주문한 고객이 자신이 물건의 배달 상황을 웹에서 모니터링 한다면 기업은 고객으로 공간적인 제약으로 인한 불신을 불식시키는 신뢰감을 주게 된다. 이러한 고객서비스 향상과 물류비용 절감은 사이버 쇼핑몰이 전국 어디서나 우리의 안방에서 자연스럽게 점할 수 있는 상황을 만들 것이다.SP가 도입되어, 설계업무를 지원하기위한 기본적인 시스템 구조를 구상하게 된다. 이와 함께 IT Model을 구성하게 되는데, 객체지향적 접근 방법으로 Model을 생성하고 UML(Unified Modeling Language)을 Tool로 사용한다. 단계 4)는 Software Engineering 관점으로 접근한다. 이는 최종산물이라고 볼 수 있는 설계업무 지원 시스템을 Design하는 과정으로, 시스템에 사용될 데이터를 Design하는 과정과, 데이터를 기반으로 한 기능을 Design하는 과정으로 나눈다. 이를 통해 생성된 Model에 따라 최종적으로 Coding을 통하여 실제 시스템을 구축하게 된다.the making. program and policy decision making, The objectives of the study are to develop the methodology of modeling the socioeconomic evaluation, and build up the practical socioeconomic evaluation model of the HAN projects including scientific and technologica

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The Characteristics and Maintenance of Assemblypersons' Activity Records (국회의원 활동기록의 특성과 관리방향)

  • Han, Eun-Jeong;Yim, Jin-Hee
    • The Korean Journal of Archival Studies
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    • no.21
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    • pp.117-167
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    • 2009
  • Assemblypersons' activities have organizational and individual nature. The activities of assemblypersons and their assistant staffs become a motive for major work performance of Korean legislature, and are also critical public services affecting contemporary political history, history of political parties and history of assemblyperson's hometown. Moreover, their activities are also characterized by work performance in favor of assemblyperson's personal interests to effectively communicate his or her achievements during term of office to electors with a view to winning reelection after the end of 4-year term of office. Assemblyperson's organization produces various types of record in the performance of these works. From the viewpoint of public archive as a product of assemblypersons' public service performance and from their own personal viewpoints, they can create their own identity by arranging their personal records that can demonstrate their own political philosophy, policy orientation, achievements during term of office, and personal features. In addition, their personal records can have much more values and significance in the sense that those records are available to electors to make it possible to highlight their own images in objective and reliable manner. Conclusively, this study underlined that the efforts for assemblypersons and their assistant staffs to keep their records well could be helpful to streamline their internal works and be also helpful for personal interests of assemblypersons. And this study proposed procedures and methods for deducing and screening a list of production archives to meet a viewpoint of streamlined internal works and needs for keeping personal records, ultimately with a view to giving practical helps for these works.

A Study on the Considerations in Rules for Authorized Access points of Music Work (음악 저작의 전거형접근점 규칙 마련시 고려사항에 관한 연구)

  • Lee, Mihwa
    • Journal of Korean Library and Information Science Society
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    • v.49 no.4
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    • pp.147-166
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    • 2018
  • This study is to suggest the considerations in the rules for authorized access points for collocation of music work by figuring out the directions of authorized access points in FRBR, LRM, ICP 2016, RDA, and BIBFRAME, and by analyzing RDA rules for attributes and authorized access points of music works and expression and VIAF examples. First, an aggregated authorized access points were suggested as the direction of authorized access points, and original title may be selected as preferred title and the authorized access point may be based on forms in one of the languages suited to the users, if the original title is not normally suited. Second, music works's authorized access points is consisted of composer authorized access point and preferred title, and of adapter's authorized access point and preferred title in case of lacks of responsibility in composer. Also, the authorized access point of Korean traditional music work must be reviewed according to work types considering the responsibility of composer. Third, the controlled vocabularies for name of music type, medium of performance, and key could be considered for describing the attributes of work and expression. This study would be the foundation study for the authorized access point of music work, and additional research should be completed through surveying music user's need.

A Study on the Development of Media Type according to Media Concept and Classification Criteria (미디어 개념과 분류기준에 따른 미디어 종류 개발)

  • Park, Juhyeon;Park, Sunghoon;Kang, Bong-Suk
    • Journal of the Korean Society for information Management
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    • v.36 no.3
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    • pp.81-107
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    • 2019
  • The purpose of this study is to assert the justification for actively accepting media education in Library and Information Science and to suggest the media type according to the concept and classification criteria of the media from the perspective of Library and Information Science. In order to present the media type according to the concept of the media, the dictionary concept of the media was reviewed, the language and media for high school students in Korean language, the educational materials for elementary and secondary school students written by Media Education Committee of Korean Society for Journalism & Communication Studies, the educational textbooks for elementary and secondary school students in Library and Information Science, and media classification presented in the RDA of the cataloging rules were analyzed. In addition, the implications were derived based on the analysis results of the concepts and media type. The concept of media was set based on the analysis results and implications, and the media types were presented according to the concepts and classification criteria. In this study, the media was set up in the same meaning as the medium, and it was defined that the media function as a means of communication and that information contained in it can be obtained through the human sensory apparatus through physical objects that contain, transmit or reproduce information. The media was set up as three logical components of the media in this study: information in the media, materials, and representation devices.

Initial Assessment and Care Planning in Palliative Hospice Care: Focus on Assessment Tools (호스피스 완화의료에서의 초기평가와 돌봄 계획의 수립: 평가도구를 중심으로)

  • Park, Eun Ju;Koh, Su Jin;Cheon, Jae Kyung
    • Journal of Hospice and Palliative Care
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    • v.22 no.2
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    • pp.67-76
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    • 2019
  • For hospice palliative care that provides comprehensive and general care, it is necessary to use assessment tools to objectively list issues and detail care plans. The initial assessment is a process of establishing an overall direction of care by identifying the patient's symptoms, social and spiritual issues and palliative care needs on the admission day or within one day of admission. This process is also used to identify the patients' and families' awareness of the illness, prognosis, treatment options and if the Physician Orders for Life-Sustaining Treatment (POLST) has been drafted. Consisting of 13 simple questions regarding the physical, mental, social, and spiritual domains, the Needs at the End-of-Life Screening Tool (NEST) is recommended as an initial assessment tool. Using specific assessment tools, a care plan is established for the issues identified in the initial assessment within three days of admission. A multidisciplinary assessment tool can be helpful in the physical domain. The psychosocial domain evaluates psychological distress, anxiety and depression. The social domain examines an ability to make decisions, understanding of the socioeconomic circumstance, family relationship, and death preparedness. A spiritual evaluation is also important, for which the Functional Assessment of Chronic Illness Therapy-Spiritual WellBeing Scale (FACIT-Sp) or the Spiritual Health Inventory (SHI) can be used. The use of an assessment tool could not only contribute to pain mitigation a better quality of life for patients, but also provide systematic training for a multidisciplinary team; And the process itself could be a stepping stone for the better care provision.

A Study on Local Records Management in Japan : Focusing on the Enactment of Records Management Ordinance and the Improvement of Archives (일본의 지방기록관리 연구 기록관리 조례 제정과 아카이브 정비 사례를 중심으로)

  • Yi, Kyoung Yong
    • The Korean Journal of Archival Studies
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    • no.50
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    • pp.389-423
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    • 2016
  • This paper aims at examining the local records management under the influence of the Public Archives Act established in 2009 through a case study of prefectures and large cities with prefectural level dominions in Japan. The records management in local government has been carried out on the basis of 'the document management rule' in administrative agencies without the public archives management law. Modification of laws and ordinances in relation with records and archives management and reorganization of archives are proceeding to realize 'proper records management' in local government. Even if the content and levels are varied due to the situational conditions of local governments, the unitary records management system covering 'current and non-current' records is being adopted through the establishment of records management ordinances. In the process, local archives are pursuing strengthening and extension of their authorities and functions on records management. In addition, it is identified that observation of the provisions of records management ordinance is reinforced with public announcement of retention schedule and operation of public records management committees. These changes in local governments reflect the thought that administrative records are the intellectual property of the public and the intent of the law that accountability for the public should be achieved through the proper records management.

A Study on the Development of School Library Mobile App Service Based on User Experience (사용자 경험을 기반으로 한 학교도서관 모바일 앱 서비스 개발에 관한 연구)

  • Park, Sora;Lee, Mihwa
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.32 no.2
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    • pp.49-67
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    • 2021
  • The school library provides a mobile web service that allows access to the library catalog system, and provides services that reflect the needs of search and consider the characteristics of mobile devices. Therefore, this study conducted a literature review, an analysis of the current status of school library mobile web services, and a survey of the mobile service user experience of students and teachers to find the contents and service plans for school library mobile app services that meet the school library mobile needs. Based on the survey, the contents and design plan of the school library DLS mobile service was prepared. First, the steps were reduced from step 4 to step 3. In the first step, solution of screen clipping errors in registering as a member and various login platforms for accessibility are needed. In the second step, integrated search and detailed search, provision of materials for use and reading education, post-booking activities, guides and announcements on the use of the affiliated school library, inter-loan, and e-books are provided as main menu. In the third step, it was proposed to provide related functions such as reservations as well as the display of the detailed screen of the search results of the collection. This study can be used not only to develop dedicated mobile app services, but also to change current web-based mobile services.

Pan-Yellow Sea Cooperation for the Conservation of Ecosystems in Coastal Wetlands of Yellow Sea - Focusing on the World Natural Heritage of coastal wetland- (황해 연안습지 생태계 보전을 위한 초국경협력 방향 - 갯벌의 세계자연유산 등재를 중심으로 -)

  • Hun-Ah Choi;Donguk Han
    • Journal of Wetlands Research
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    • v.25 no.3
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    • pp.213-219
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    • 2023
  • The wetland ecosystem has a key role in climate change and can capture and store carbon long-term as blue carbon. Currently, the Republic of Korea and People's Republic of China are preparing for the UNESCO World Natural Heritage Phase II inscription, and cross-border cooperation among the two Koreas and the People's Republic of China is expected in term of the coastal wetland in the Yellow Sea region. However, there is a lack of research on the importance of coastal wetland in the Yellow Sea region for migratory bird habitats, roosting sites, feeding grounds, and stop-over sites. Thus, this study focused on the coastal wetland of the Yellow Sea region, including the southwestern coastal wetlands in the Republic of Korea, the Yancheng National Nature Reserve in the People's Republic of China designated as UNESCO World Natural Heritage, and the Mundok Migratory Bird Reserve in the Democratic People's Republic of Korea, which is listed on the Tentative List. The cooperation for ecosystem conservation between the two Koreas and China was analyzed. The importance of coastal wetlands in the Yellow Sea region as habitats for migratory birds, roosting sites, feeding grounds, and stop-over sites, significant characteristics of Yellow Sea coastal wetlands, and conditions for cooperation among three countries, were analyzed. The direction of ecosystem conservation cooperation for coastal wetlands in the Yellow Sea region in this study will be developed into Pan-Yellow Sea conservation.

Estimation of Carbon Storages and Fluxes by Ecosystem Type in Korea (국내 생태계 유형별 탄소 저장 및 거동 산정 연구 현황 분석)

  • Inyoung Jang;Heon Mo Jeong;Sang-Hak Han;Na-Hyun Ahn;Dukyeop Kim;Sung-Ryong Kang
    • Journal of Wetlands Research
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    • v.25 no.4
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    • pp.417-425
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    • 2023
  • As climate change gets severe, the ecosystem acts as an important carbon sink, therefore efforts are being made to utilize these functions to mitigate climate change. In this study, we inventoried and analyzed the previous studies related to carbon storage and flux by ecosystem type (forest, cropland, wetland, grassland, and settlement) and carbon pool (aboveground and belowground biomass, dead wood, Litter, soil organic carbon, and ecosystem) in Korean ecosystems. We also collected the results of previous studies and calculated the average value of carbon storage and flux for each ecosystem type and carbon pool. As a result, we found that most (66%) of Korea's carbon storage and fluxes studies were conducted in forests. Based on the results of forest studies, we estimated the storage by carbon stock. We found that much carbon is stored in vegetation (aboveground: 4,018.32 gC m-2 and belowground biomass: 4,095.63 gC m-2) and soil (4,159.43 gC m-2). In particular, a large amount of carbon is stored in the forest understory. For other ecosystem types, it was impossible to determine each carbon pool's storage and flux due to data limitations. However, in the case of soil organic carbon storage, the data for forests and grasslands were comparable, showing that both ecosystems store relatively similar amounts of carbon (4,159.43 gC m-2, 4,023.23 gC m-2, respectively). This study confirms the need to study carbon in rather diverse ecosystem types.