• Title/Summary/Keyword: information portal

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Geospatial data Acquisition Using the Google Map API

  • Han, Seung-Hee;Lee, Jin-Duk;Ahn, Hyo-Beom
    • International Journal of Contents
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    • v.8 no.1
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    • pp.55-60
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    • 2012
  • Most Korean and overseas major portal sites include map servers to provide map services, and offer open APIs to allow their users to make use of maps or spatial information directly. At the early design stage, geographic spatial data do not tend to require high accuracy, and thus there would be no problem using data which have been obtained and then utilized through map servers provided by portal sites. This study has chosen the shortest route between starting point and destination, using GIS techniques. Moreover, for the chosen route, it also has calculated the elevation for the cross-section, using Google map and GPS measurements. This study aims to create APIs, which can extract vertical profile of routes from the Google Map server, by using JAVA, and to compare centerline profile results obtained by GPS(Global Positioning System) to explore their utilize abilities. The result demonstrated a height error of 0.5 to 1 m, compared to the GPS results, but they were mutually satisfactory. In short, the data extracted in this study are useful for centerline profile drawings in selecting routes, such as streets, Olle roads, and bike lanes.

The Basic Component Technologies for the Guarantee of Metadata Interoperability (메타데이터의 상호운용성 보장을 위한 요소기술)

  • 이수상
    • Journal of Korean Library and Information Science Society
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    • v.34 no.1
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    • pp.91-109
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    • 2003
  • One of the main issues in developing a digital library is how to implement an open digital library which can be interoperable, and diverse concepts, technology and protocols have been introduced to deal with this issue. In this study, it is analysed in terms of 'metadata interoperability', and based on the analysis, 5 basic component technologies are defined as follows: application profiles, modeling, implementation, resource discovery, portal service. Therefore it explains concepts of those core features, characteristics, cases in point, standardization and technical trends.

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Trends and Changes of Web Searching Behavior (웹 검색 행태의 추이 및 변화 분석)

  • Park, So-Yeon
    • Journal of the Korean Society for Library and Information Science
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    • v.45 no.1
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    • pp.377-393
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    • 2011
  • This study aims to investigate trends of internet searching behavior of users of NAVER, a major Korean search portal. In particular, this study analyzed trends of query submission behaviors, behaviors related to typos, multimedia searching behaviors, and click behaviors. In conducting this study, query logs and click logs of unified search service were analyzed. The results of this study show that there were little changes in the topic and length of queries, the pattern of typos, and multimedia seeking behavior over a year's period. However, click counts of documents have gradually increased over time. The results of this study can be implemented to increase the portal's effective development of internet contents and searching algorithms.

Present State of Experiencing Villages for Green Tourism in Rural Area (그린투어리즘을 위한 농산어촌 체험마을 현황 분석 - 농촌관광 인터넷 포털사이트 분석을 중심으로 -)

  • Eom, Boong-Hoon
    • Journal of Korean Society of Rural Planning
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    • v.12 no.4 s.33
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    • pp.125-133
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    • 2006
  • Recently, Environmentally friendliness and sustainability become the main concern of rural tourism. Green-tourism is the emerging and best alternative tourism development. This paper deals with the present state of experiencing villages for green-tourism in rural areas. Several internet portal sites for rural tourism were reviewed and analyzed. Totally, 863 village are designated for experiencing villages by several portal sites. There are 281 information oriented villages, 208 farm-stay villages, 122 green experiencing villages, 93 mountain villages, 93 fishing villages. Some villages were designated duplicately for each projects. In 'Green-tour' site, the distribution of experiencing villages by region were, 49 for Gangwon, 43 for Gyungbuk, 41 for Jeonnam, respectively. The types of experiencing villages were, green experiencing village, traditional theme village, mountain village, fishing village, information-oriented village, etc. Themes of experiencing activities were 6 types, experiencing agricultural life, fishing life, traditional foods, traditional culture, ecological nature, and health/leisure sports. The kinds of experiencing activities were abundant by agricultural life, traditional culture. Otherwise, fishing life experiencing activities were dull. Also, development of ecological nature experiencing programs are suggested.

A Web 2.0 Strategy for the Public Portal Sites : EBS Case (공공 포탈에서의 웹 2.0 구현전략에 관한 연구 : EBS 사례를 중심으로)

  • Lee, Ji-Eun;Koo, Sung-Whan;Shin, Min-Soo
    • Journal of Information Technology Services
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    • v.8 no.3
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    • pp.15-33
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    • 2009
  • Web 2.0 which is characterized by openness, sharing with others and users' active participation has a strong impact on Individual and business environments. New technology such as open-API, RSS, collective intelligence gives various benefits to the website user. Recently, the Web 2.0 paradigm has also affected the public service. Many public service organizations are also adopting Web 2.0 applications to improve their ability for serving users more effectively. However, there is a contradiction between value of public service and that of web 2.0. Web 2.0 which pursues openness and freedom of expression can impair the accuracy and reliability of public information in the public sites. We conducted a case study on EBS which reflects the Web 2.0 strategy for websites renewal. To cope with environmental changes, EBS began reorganization of the web site and applied Web 2.0 strategy for leveraging an easy to use and user satisfaction. This research shows that how to Implement the Web 2.0 strategy and what is the limitation of it. The findings of this study suggest practical implications for Web 2.0 strategy in public web sites, especially for educational fields.

News Recommendation Exploiting Document Summarization based on Deep Learning (딥러닝 기반의 문서요약기법을 활용한 뉴스 추천)

  • Heu, Jee-Uk
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.22 no.4
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    • pp.23-28
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    • 2022
  • Recently smart device(such as smart phone and tablet PC) become a role as an information gateway, using of the web news by multiple users from the web portal has been more important things. However, the quantity of creating web news on the web makes hard to catch the information which the user wants and confuse the users cause of the similar and repeated contents. In this paper, we propose the news recommend system using the document summarization based on KoBART which gives the selected news to users from the candidate news on the news portal. As a result, our proposed system shows higher performance and recommending the news efficiently by pre-training and fine-tuning the KoBART using collected news data.

A Study on Implementing an Automated Tool for De-Obfuscating a ConfuserEx (ConfuserEx의 난독화 복구 자동화 시스템 구축 연구)

  • Jae-hwi Lee;Young-seok Park;Dong-hyeon Kim;Gyu Heo
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.33 no.1
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    • pp.129-137
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    • 2023
  • According to a continuous attempts to manipulate content on portal sites using automated programs, a Naver, one of a portal site from Korea, is also trying to secure and analyze the programs to respond to the attempts. However, since some of the programs are secured by obfuscation tools, it is necessary to develop de-obfuscation technique. In this paper, we analyze a ConfuserEx, which occupied high percentage from obfuscation tools that applied to obtained programs, and propose an automated tool for de-obfuscating to save time for unpacking.

A Study on the Validation of Vector Data Model for River-Geospatial Information and Building Its Portal System (하천공간정보의 벡터데이터 모델 검증 및 포털 구축에 관한 연구)

  • Shin, Hyung-Jin;Chae, Hyo-Sok;Hwang, Eui-Ho
    • Journal of the Korean Association of Geographic Information Studies
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    • v.17 no.2
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    • pp.95-106
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    • 2014
  • In this study, the applicability of a standard vector model was evaluated using RIMGIS vector data and a portal based river-geospatial information web service system was developed using XML and JSON based data linkage between the server and the client. The RIMGIS vector data including points, lines, and polygons were converted to the Geospatial Data Model(GDM) developed in this study and were validated by layers. After the conversion, it was identified that the attribute data of a shape file remained without loss. The GeoServer GDB(GeoDataBase) that manages a DB in the portal was developed as a management module. The XML-based Geography Markup Language(GML) standards of OGC was used for accessing to and managing vector layers and encoding spatial data. The separation of data content and expression in the GML allowed the different expressions of the same data, convenient data revision and update, and enhancing the expandability. In the future, it is necessary to improve the access, exchange, and storage of river-geospatial information through the user's customized services and Internet accessibility.

Enhanced Recommendation Algorithm using Semantic Collaborative Filtering: E-commerce Portal (전자상거래 포탈을 위한 시맨틱 협업 필터링을 이용한 확장된 추천 알고리즘)

  • Ahmed, Shohel;Kim, Jong-Woo;Kang, Sang-Gil
    • Journal of Intelligence and Information Systems
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    • v.17 no.3
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    • pp.79-98
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    • 2011
  • This paper proposes a semantic recommendation technique for a personalized e-commerce portal. Semantic recommendation is achieved by utilizing the attributes of products. The semantic similarity of the products is merged with the rating information of the products to provide an accurate recommendation. The recommendation technique also analyzes various attitudes of the customer to evaluate the implicit rating of products. Attitudes are classifies into three types such as "purchasing product", "adding product to shopping cart", and "viewing the product information." We implicitly track customer attitude to estimate the rating of products for recommending products. Also we implement a session validation process to identify the valid sessions that are highly important for giving an accurate recommendation. Our recommendation technique shows a high degree of accuracy as we use age groupings of customers with similar preferences. The experimental section shows that our proposed recommendation method outperforms well known collaborative filtering methods not only for the existing customer, but also for the new user with no previous purchase record.

A Study on the User Behaviors and Satisfaction of Legislative Employees and Other Library Users for the Government Information Service of National Assembly Library of Korea (국회도서관의 공공기관 및 정부정보 서비스에 대한 입법관련 종사자와 일반이용자의 이용행태와 만족도 분석)

  • Oh, Dong-Geun;Yoon, Byung-Ho;Yeo, Ji-Suk;Kim, Ju-Rae;Park, Sang-Hoo;Ma, Eul-Soon
    • Journal of the Korean Society for Library and Information Science
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    • v.43 no.1
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    • pp.235-250
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    • 2009
  • This study analysed the user behaviors and satisfaction for the government information service of Nation Assembly Library of Korea, based on the questionnaires from users including the legislative employees and other library users. The results showed that legislative employees used the services more often and have more needs for the services than other users. Most legislative employees and other library users evaluated that the services should be improved and that it would be desirable to develop a portal system and services providing the integrated search and offering government information as one stop service.