• Title/Summary/Keyword: metadata management

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A Photo Management Model for Semantic Web (시맨틱 웹을 위한 사진 관리 모델)

  • Han Jeong-Hwan;Koo Yong-Wan
    • Journal of Korea Society of Industrial Information Systems
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    • v.10 no.3
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    • pp.15-20
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    • 2005
  • Since the invention of Web, it became part of our daily life replacing the routine information search and effecting many activities which otherwise could have been done off-line without it. It was a natural evolution of the web technology, which had started out as a simple test based pattern matching, to be based on the optimized match process for its multi-media Web environment, like still images, music and movies that we are to face today. In this paper, we proposed and implemented the model which the multimedia resources can be efficiently shared in semantic web. After converting multimedia resource information(metadata) into RDF, for efficient management, the model separate and allotment actual multimedia resource and corresponding metadata changed to RDF to each server. The proposed model could be applied in all multimedia resources. For easy explanation and implementation, however, we applied it to the digital photograph in example.

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A Methodology for exchanging Business Process Model using XMI (XMI를 활용한 비즈니스 프로세스 모델 호환 방법론)

  • Lim, Tae-Soo
    • The Journal of Society for e-Business Studies
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    • v.11 no.3
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    • pp.73-88
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    • 2006
  • As a computerized application for controlling enterprise processes, BPM(Business Process Management) has been received such concerns that many solution vendors developed their own process definition and storage methods. The fact causes the needs of process modeling standards for process model exchange and at the same time, requires the appropriate methodology for adopting the global standards. In this paper, we propose a transformation methodology of BPMN-based file into XMI(XML Metadata Interchange)-based neutral file format. We devised translation templates for 21 workflow patterns, and compared the results with BPEL4WS(Business Process Execution Language for Web Services) translation. As a result, our XMI transformation model enables more complete translation of process model in comparison with existing model, and thus can be practically utilized to the BPM vendors adopting BPMN standards.

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A Distributed Cache Management Scheme for Efficient Accesses of Small Files in HDFS (HDFS에서 소형 파일의 효율적인 접근을 위한 분산 캐시 관리 기법)

  • Oh, Hyunkyo;Kim, Kiyeon;Hwang, Jae-Min;Park, Junho;Lim, Jongtae;Bok, Kyoungsoo;Yoo, Jaesoo
    • The Journal of the Korea Contents Association
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    • v.14 no.11
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    • pp.28-38
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    • 2014
  • In this paper, we propose the distributed cache management scheme to efficiently access small files in Hadoop Distributed File Systems(HDFS). The proposed scheme can reduce the number of metadata managed by a name node since many small files are merged and stored in a chunk. It is also possible to reduce the file access costs, by keeping the information of requested files using the client cache and data node caches. The client cache keeps small files that a user requests and metadata. Each data node cache keeps the small files that are frequently requested by users. It is shown through performance evaluation that the proposed scheme significantly reduces the processing time over the existing scheme.

A Study on the Model of Internet Public Library in Korea (IPL-Korea) (인터넷 공공도서관 구축 모형 연구)

  • 고영만;오삼균
    • Journal of the Korean Society for information Management
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    • v.16 no.4
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    • pp.109-123
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    • 1999
  • We are faced with a paradox in the age of information as finding quality information on the Internet becomes a more challenging task because of information overload. This paper describes the prototype for “IPL-Korea” (Internet Public Library in Korea) project which is an attempt to provide the public with quality information in the form of a metadata system. The system involves cataloging of resources, i.e. websites, that are filtered by library and information science majors as well as information professionals. The user focus of this system is on children, youth, women, and seniors; various classification schemes and resource descriptions relevant for each user group are incorporated into the system to allow efficient browsing of the resources. A thesaurus for “IPL-Korea”, which is based on the ERIC thesaurus, is being constructed for easy manipulation of the breath of searching. The “IPL-Korea” metadata system employs the entity-relationship model in the design of its conceptual schema. Metadata is being stored in the Oracle database system and Web interfaces to this database are provided through ASP, ColdFusion, and JAVA technology.

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A Mobile Semantic Integrated Search System of National Defense Research Information (국방연구정보의 모바일 시맨틱 통합검색 시스템)

  • Yoo, Dong-Hee;Ra, Min-Young
    • The KIPS Transactions:PartB
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    • v.18B no.5
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    • pp.295-304
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    • 2011
  • To effectively manage research information in the field of national defense, metadata about the information should be managed systematically, and an integrated system to help convergence and management of the information should be implemented based on the metadata. In addition, the system should provide the users with effective integrated search services in a mobile environment, because searching via the use of mobile devices is increasing. The objective of this paper is to suggest a MSISS (Mobile Semantic Integrated Search System), which satisfies the requirements for effective management of the national defense research information. Specifically, we defined national defense research ontologies and national defense research rules after analyzing the Dublin Core metadata and database information of the major military research institutions. We implemented a prototype system for MSISS to demonstrate the use of the ontologies and rules for semantic integrated searching of the military research information. We also presented a triple-based search service to support semantic integrated search in a mobile environment and suggested future mobile semantic integrated search services.

Design and implementation of protection and management system of digital contents based on MPEG-21 IPMP (MPEG-21 IPMP 기반의 디지털 콘텐츠 보호 관리 시스템 설계 및 구현)

  • Jung Hoe-Kyung;Ryu Kwang-Hee;Kim Kwang-Yong;Kim Jae-Gon;Hong Jin-Woo
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.10 no.6
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    • pp.1003-1010
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    • 2006
  • The usage increase of digital contents required solution for protection technology and interoperability of system. MPEG(Moving Picture Experts Group) proposed MPEG-21 Multimedia Frameworks. MPEG-21 IPMP is standard that provides the means to enable digital item and rights information to be persistently managed and protected across networks and devices. In this paper, MPEG-21 IPMP based system to protect digital contents designed by four structures of license server, production server, consumption server, tool server. License server create rights information document using the XML-based REL about multimedia contents of users. Production server makes a digital item by packaging multimedia resource and metadata, which is combined by REL information and IPMP information of multimedia resource. Consumption server takes care of the functions of players that use digital item, and tool server was implement to transmit for missing tool that might occur in all procedures.

A Study on metadata structuralization for context representation of women's oral life history (여성구술생애기록물 맥락 표현을 위한 메타데이터 구조화에 관한 연구)

  • Lee, Jung Yeon;LEe, Jung Yeoun;Ryoo, Jong Duk;Lee, Jong Yoon
    • The Korean Journal of Archival Studies
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    • no.30
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    • pp.57-88
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    • 2011
  • Oral history is the work to make the record of the verbal content recreated by the memories of the survivors. Oral history recording is accomplished through the collaboration of the interviewee, the interviewer, the cameraman, the recorder, the transcriber and etc. Therefore, it is important for the context at the time of the production to be expressed. So planning for the collection of oral records, the collection of oral records, and their preservation and maintenance should be managed systematically. This study, being started from this sense of problem, designed conceptual model of metadata to well reflect the contextual characteristics of the oral records of the women life of among the oral records and extracted the elements through this. The whole process of records management including from planning, production, preservation, management, and leading to use, related to the oral records of the women life, was classified into a hierarchy. It also proposed the system which can express the characteristics of the 'gender' through authority records and subject thesaurus.

Suggestions on how to convert official documents to Machine Readable (공문서의 기계가독형(Machine Readable) 전환 방법 제언)

  • Yim, Jin Hee
    • The Korean Journal of Archival Studies
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    • no.67
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    • pp.99-138
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    • 2021
  • In the era of big data, analyzing not only structured data but also unstructured data is emerging as an important task. Official documents produced by government agencies are also subject to big data analysis as large text-based unstructured data. From the perspective of internal work efficiency, knowledge management, records management, etc, it is necessary to analyze big data of public documents to derive useful implications. However, since many of the public documents currently held by public institutions are not in open format, a pre-processing process of extracting text from a bitstream is required for big data analysis. In addition, since contextual metadata is not sufficiently stored in the document file, separate efforts to secure metadata are required for high-quality analysis. In conclusion, the current official documents have a low level of machine readability, so big data analysis becomes expensive.

The Development of the Model of Information Structure for Photo Archives in University Archives (대학기록관 사진 아카이브를 위한 정보구조 모형 제안)

  • Hyewon Lee;Seunghee Han
    • Journal of Korean Society of Archives and Records Management
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    • v.23 no.1
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    • pp.101-126
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    • 2023
  • Photographic archives of universities are one of the most valuable types of records that establish the university's identity and provide historical evidence. Unlike text records, however, they are weak in conveying meanings. Therefore, it is difficult to support users' search and utilization unless the information of photo records is comprehensively described. In this study, for the university photo archives, we tried to structure the classification system of photo archives and develop a metadata set that reflects the category characteristics in the classification. To this end, the photo archives classification system and metadata elements of domestic and American university archives were analyzed and based on this, the model of information structure was proposed. The information structure model presented in this study can help university archives improve the data quality of their photo archives and support users with the abundant discovery of photo archives.

A method for metadata extraction from a collection of records using Named Entity Recognition in Natural Language Processing (자연어 처리의 개체명 인식을 통한 기록집합체의 메타데이터 추출 방안)

  • Chiho Song
    • Journal of Korean Society of Archives and Records Management
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    • v.24 no.2
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    • pp.65-88
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    • 2024
  • This pilot study explores a method of extracting metadata values and descriptions from records using named entity recognition (NER), a technique in natural language processing (NLP), a subfield of artificial intelligence. The study focuses on handwritten records from the Guro Industrial Complex, produced during the 1960s and 1970s, comprising approximately 1,200 pages and 80,000 words. After the preprocessing process of the records, which included digitization, the study employed a publicly available language API based on Google's Bidirectional Encoder Representations from Transformers (BERT) language model to recognize entity names within the text. As a result, 173 names of people and 314 of organizations and institutions were extracted from the Guro Industrial Complex's past records. These extracted entities are expected to serve as direct search terms for accessing the contents of the records. Furthermore, the study identified challenges that arose when applying the theoretical methodology of NLP to real-world records consisting of semistructured text. It also presents potential solutions and implications to consider when addressing these issues.