• Title/Summary/Keyword: news analysis

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Enhancing Classification Performance of Temporal Keyword Data by Using Moving Average-based Dynamic Time Warping Method (이동 평균 기반 동적 시간 와핑 기법을 이용한 시계열 키워드 데이터의 분류 성능 개선 방안)

  • Jeong, Do-Heon
    • Journal of the Korean Society for information Management
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    • v.36 no.4
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    • pp.83-105
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    • 2019
  • This study aims to suggest an effective method for the automatic classification of keywords with similar patterns by calculating pattern similarity of temporal data. For this, large scale news on the Web were collected and time series data composed of 120 time segments were built. To make training data set for the performance test of the proposed model, 440 representative keywords were manually classified according to 8 types of trend. This study introduces a Dynamic Time Warping(DTW) method which have been commonly used in the field of time series analytics, and proposes an application model, MA-DTW based on a Moving Average(MA) method which gives a good explanation on a tendency of trend curve. As a result of the automatic classification by a k-Nearest Neighbor(kNN) algorithm, Euclidean Distance(ED) and DTW showed 48.2% and 66.6% of maximum micro-averaged F1 score respectively, whereas the proposed model represented 74.3% of the best micro-averaged F1 score. In all respect of the comprehensive experiments, the suggested model outperformed the methods of ED and DTW.

A Study on the Internet Domain's Name Dispute Sdution Methods at EC times (EC시대(時代) 인터넷 도메인명(名) 분쟁(紛爭) 해결(解決) 방안(方案)에 관한 연구(硏究))

  • Park, Jong Sam;Park, Young Tae
    • Journal of Arbitration Studies
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    • v.9 no.1
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    • pp.291-322
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    • 1999
  • The world of today faces a radical change, a new revolution, by the spread of the Internet. It is used not only for advertising but also for the exclusive rights in the field of information and communication, in add to the way of developing everyday our lives with world news, home-shopping, on-line education and so on. Actually, since the Internet Domain's Name(IDN) is unique over the world, the individual and the companies which provide information through the Internet have a keen competition to make a good IDN to memorize and organize all available information provided them. As a result, there are an increasing number of the cases where one company files suit against another for the validity of it's IDN so the policy to arbitrate and solute the cases is required. This paper is going to introduce the structure and the system of management for IDN. It will also discuss the efficient management of IDN, various case analysis of the dispute restraint and solutions, and the movement of improving the management procedure of IDN in WIPO. So we suggest to examine common disputes among IDN uses and solution methods for future problem at EC times. Therefore we have to establish the dispute solution system. Here are the two methods : one is that to establish a dispute solution organization. This organization which can conduct the new dispute solution procedure differs from the existing legislation system. The other is that to establish a dispute solution procedure i.e. the various dispute solution procedure for efficient dispute solution : council, inspection, mediation and arbitration. This procedure is conducted on-line due to features of the IDN disputes, also along with the current legislation system and the International dispute solution procedure. Because there is possibility the IDN disputes usually are connected with other countries. As there is no specific disputes solution procedure so far, we have to wait while development occurs that also striving to be coherent with and between the domestic and International solution procedure by helping to establish the International dispute solution procedure.

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Retrieval System Adopting Statistical Feature of MPEG Video (MPEG 비디오의 통계적 특성을 이용한 검색 시스템)

  • Yu, Young-Dal;Kang, Dae-Seong;Kim, Dai-Jin
    • Journal of the Institute of Electronics Engineers of Korea CI
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    • v.38 no.5
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    • pp.58-64
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    • 2001
  • Recently many informations are transmitted ,md stored as video data, and they are on the rapid increase because of popularization of high performance computer and internet. In this paper, to retrieve video data, shots are found through analysis of video stream and the method of detection of key frame is studied. Finally users can retrieve the video efficiently. This Paper suggests a new feature that is robust to object movement in a shot and is not sensitive to change of color in boundary detection of shots, and proposes the characterizing value that reflects the characteristic of kind of video (movie, drama, news, music video etc,). The key frames are pulled out from many frames by using the local minima and maxima of differential of the value. After original frame(not de image) are reconstructed for key frame, indexing process is performed through computing parameters. Key frames that arc similar to user's query image arc retrieved through computing parameters. It is proved that the proposed methods are better than conventional method from experiments. The retrieval accuracy rate is so high in experiments.

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A Study of Housing Environment Problems through the Daily newspapers ( II ) -Centering around a excretion and fixing process of lavatory- (일간지를 통해 본 주거환경문제의 연구 ( II ) - 분뇨에서 변소의 정착과정을 중심으로 -)

  • 신경주
    • Journal of the Korean housing association
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    • v.3 no.2
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    • pp.89-99
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    • 1992
  • We discussed the change of housing environmental problems from the early 1900s to the present in Study(I). This study(II) which secendly research of study(I) analyzed the fixing precess of a lavatory centering around a excretion which was a serious housing environmental problem in 1920 to 1940. The documentary research method was used for this study. Articles of content analysis(N=185) were published in 1920 to 1990 which were The Deng-A daily news article about a excretion and a lavatory. The main content of this study was examined the change, such as the number of whole article, the column number of article by time series. and the content of article by subject. 1. The number of whole article by time series was collected mainly in1920s-1930s. In 1940s-1960s, one-two column of article was appeared generally and three-four, five column of article was appeared in 1970-1980. 2. Contents of article was divided into two classes, excretion and lavatory. Contents of excretion was 1) a use of fertilizer 2) the method of transportation 3) a cost of gathering 4) a place of disposal 5) the problem of cleaning. Contents of lavatory was 1) a public lavatory 2) a flush toilet 3) a sanitary conditions 3. 1) A use of fertilizer was concentrated in 1920s-1930s, and problems of it was solved more or less by change of management method. Transportation of excretion developed such as \ulcornerGue\ulcorner->a coach of tank style->underground transportation->a dung car of absorption style. Disposal place of excretion was a cause of dissatisfaction in 1920s and it is serious problem Today. A duty of excretion gathering was transfered to a private worker in 1978. The accunulation problem of excretion was continued until 1940s-1950s. The management law of waste matters was proclaimed in 1986. 2) A public lavatory was planned in 1924 for the first time, and it is insufficient in these days, A settlement of public lavatory in building which has upward of 20pyung became obligation in 1973. The problem of water contamination which by poor septic tank was happened in 1970s-1980s.

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Real Cases and Problems of Provisions of Election Broadcasting Deliberation - Focused on Case Analysis of Election Broadcasting Deliberation in 2002${\sim}$2008 (선거방송심의규정의 실제 적용과 문제점 - 2002${\sim}$2008년 선거방송심의 사례분석을 중심으로)

  • Yun, Sung-Oak
    • Korean journal of communication and information
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    • v.45
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    • pp.384-424
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    • 2009
  • To date, the theoretical discussions on ‘Election Broadcasting Deliberation Systems’ have been made, but few researches have been made on the empirical cases of such broadcasting provisions. Therefore, this research thesis is to gather and analyze cases of the Election Broadcasting Deliberation, and then find out problems from the operation of the real Election Broadcasting Deliberation, and furthermore, seek a way to improve the provisions of Election Broadcasting Deliberation. Also, this thesis is to analyze the real cases of items of ‘Fairness’, as the key ones of Election Broadcasting Deliberation. This research thesis took up as a major agendum, the necessity of overhauling provisions of Election Broadcasting Deliberation/the problems that provisions and restrictions are inconsistent/the outstanding issue of the violated fairness rules. In this regard, this thesis maintained the importance of reconsidering fairness rules of news.

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Personalized Search Service in Semantic Web (시멘틱 웹 환경에서의 개인화 검색)

  • Kim, Je-Min;Park, Young-Tack
    • The KIPS Transactions:PartB
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    • v.13B no.5 s.108
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    • pp.533-540
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    • 2006
  • The semantic web environment promise semantic search of heterogeneous data from distributed web page. Semantic search would resuit in an overwhelming number of results for users is increased, therefore elevating the need for appropriate personalized ranking schemes. Culture Finder helps semantic web agents obtain personalized culture information. It extracts meta data for each web page(culture news, culture performance, culture exhibition), perform semantic search and compute result ranking point to base user profile. In order to work efficient, Culture Finder uses five major technique: Machine learning technique for generating user profile from user search behavior and meta data repository, an efficient semantic search system for semantic web agent, query analysis for representing query and query result, personalized ranking method to provide suitable search result to user, upper ontology for generating meta data. In this paper, we also present the structure used in the Culture Finder to support personalized search service.

Design and Implementation of Internet Throats and Vulnerabilities Auto Collector for Cyber Threats Management (사이버위협 관리를 위한 인터넷 위협 및 취약점 정보 수집기 설계 및 구현)

  • Lee, Eun-Young;Paek, Seung-Hyun;Park, In-Sung;Yun, Joo-Beom;Oh, Hung-Geun;Lee, Do-Hoon
    • Convergence Security Journal
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    • v.6 no.3
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    • pp.21-28
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    • 2006
  • Beginning flag security it was limited in Firewall but currently many information security solutions like Anti-virus, IDS, Firewall are come to be many. For efficiently managing different kinds of information security products ESM (Enterprise Security management) are developed and operated. Recently over the integrated security management system, TMS (Threat Management System) is rising in new area of interest. It follows in change of like this information security product and also collection information is being turning out diversification. For managing cyber threats, we have to analysis qualitative information (like vulnerabilities and malware codes, security news) as well as the quantity event logs which are from information security products of past. Information Threats and Vulnerability Auto Collector raises the accuracy of cyber threat judgement and can be utilized to respond the cyber threat which does not occur still by gathering qualitative information as well as quantity information.

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Literary Therapeutic Mechanism Analysis in which the Rated Sijo is Encoded as a Battery of Life

  • Park, In-Kwa
    • International Journal of Advanced Culture Technology
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    • v.4 no.4
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    • pp.45-50
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    • 2016
  • This is a humanistic study to trace phenomena logically the comprehensive therapeutic mechanism of the human body which is coded by the smart emotion of the rated signal conveyed by the Rated Sijo. The Gestalt, which is structured in the form of therapeutic metastasis conveyed by sentences, is intended to embody the principle of human response. So, this researcher explored the metastatic structure toward Gestalt of original human being through the passage of foreground and background by ergonomic and chemical structure. In the meantime, this researcher focused on revealing the structure of the field of existence by the symbol system in which the therapeutic mechanism of the human body is embodied. As a result, the basic framework of Gestalt literary therapy, which contributes to the improvement of the Quality of Life metaphorized as a mechanism of the symbol system by the metastasis of literary therapy or the electrical operation of the human body. As a result, the human body as a conductor through literature has turned out to be an original Gestalt structure pursued by literature. In addition, it was analyzed that the human body would accept signals such as emotions and Rated Emotions planted in the sentence, and synapse them into the human physiological psycho analytical symbol system. Therefore, it has been confirmed possibility that human existent environment and trauma are separated from the whole universe can push fully implement therapeutic techniques toward totalization by a combination of literary devices, especially appropriate electric signal combination of the Rated Sijo.

Additional Evidence on the Market Reaction to Stock Option Grants (스톡옵션 부여공시에 따른 주가상승효과 재검토)

  • Sul, Won-Sik;Kim, Soo-Jung
    • The Korean Journal of Financial Management
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    • v.20 no.1
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    • pp.61-92
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    • 2003
  • As an extension of previous researches with the conclusion that the announcement of adopting stock options generates positive abnormal returns, this paper examined whether the abnormal return changes over time or varies depending on the number of stock options granted. Empirical analysis was made to find whether the announcement of stock option awards has the same response in the stock market from the early days when stock option plans had been introduced in the Korean stock market till today when it was widespread. Results indicate that the announcement effect had been on a gradual decline since 2000. In addition, it is found that if a company announces stock option awards several times, the abnormal return gradually declines in proportion of the number of stock options granted. This implies that as the stock option awards become widespread, the positive effect that the announcement of adopting stock options generates as news has been on a relatively steady decrease. In short, it leads to a conclusion that the more companies grant stock options, and the more stock options a company announces, the less impact it has on the increase in the firm's value.

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A Study of Hip-hop Fashion Trends -Focusing on the Trends Since 2000- (힙합 패션 트렌드에 관한 연구 -2000년대 이후 트렌드를 중심으로-)

  • Kim, Yoon
    • Journal of the Korean Society of Costume
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    • v.60 no.2
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    • pp.1-19
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    • 2010
  • The purpose of this research is to examine the rise of hip-hop culture and its characteristics which have been established as a part of popular culture amid other subcultures and to examine the overall concept of hip-hop fashion which has been developing since its rise in the 1970s and particularly to examine the hip-hop after the turn of the new century when it has gone through several iterations and changes while simultaneously accommodating different trends and reflecting a highly diverse larger culture. The research methodology is a literature-based research that uses classification and analysis based on the preceding research including related books and dissertations and, considering that this research focuses on the characteristics of hip-hop from the 2000s to the present, mainstream news media such as newspapers and magazines around New York images of famous hip-hop culture & stores websites were used in this research. The most characteristic hip-hop fashions since the 2000s examined by this research comprise prep-hop, slim formal suits, skurban, hip-hop Goth, and hip-hop Tatto. First, prep-hop is a mixed match of a preppy look with latest hip-hop sentiments and hip-hop styles. Second, there are slim formal suits that reflect a change of trends that strongly show changes of hip-hop fashion consumers who have been following sports stars' fashions. Third, skurban is a hip-hop fashion combined with the look of skaters. Fourth, hip-hop Goth is what emphasizes strong Goth images such as grunge, skull, and devil in hip-hop fashions based on vintage fashion. Fifth, hip-hop Tatto style designs have appeared in diverse items such as trendy clothes and accessories that were most popular since the 2000s. Hip-hop fashion since the 2000s up to the present is beginning to be integrated with diverse other cultures and its most prominent characteristics is a change into slimmer silhouette.