• Title/Summary/Keyword: 공공데이터포탈

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A Study on Analysis on Geospatial Information Portal Trends (공간정보 포탈 동향 분석에 관한 연구)

  • Lee, In-Su;Lee, Jun-Seok
    • Journal of Cadastre & Land InformatiX
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    • v.44 no.2
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    • pp.125-138
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    • 2014
  • The portal is conceptualized as a discovery gateway to facilitate the communication and sharing of geographic data and information. Generally, Geospatial portal serve the different function and service according to the operational agents and goal. It was shown that Geospatial Portal might be constructed, based on the integration of the public data and Geospatial data portal, OpenAPI, shared Cloud Infrastructure. Ultimately, this study suggests the analysis results for Geospatial Information Prortal trends and contribute to the future development of Geospatial Information Open Platform(called Vworld).

Interface Server Model for the Effective Data Link between Public Data Portal and Open Platform (공공데이터와 오픈플랫폼의 효율적 자료연계를 위한 연계서버 모형)

  • Yeon, Sung-Hyun;Lee, In-Su;Tcha, Tek-Kie
    • Journal of Cadastre & Land InformatiX
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    • v.44 no.1
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    • pp.113-125
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    • 2014
  • According to the public open data policy, the government established the demanders-oriented and customized open data plan and allowed people to use plenty of public data free. There are, however, few geospatial information systems to maximize its usability. For the purpose to make the effective geospatial information services, this study examined how data was linked between the public data portal and open platform first. And then this proposed the interface server model to support the data link between these systems technically.

Improvement of Traffic Information Contents of Portal Site focused on User's Satisfaction (이용자 만족도 중심의 인터넷포탈 교통정보 콘텐츠 개선방안)

  • Park, Bum-Jin;Eo, Hyo-Kyoung
    • The Journal of the Korea Contents Association
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    • v.12 no.9
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    • pp.500-511
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    • 2012
  • Recently, use frequency for traffic information which provides shortest paths and traffic condition is increasing. Specially, in the survey, it is shown that users prefer internet portal sites which can be used the most easily among traffic information media. But, there are not many verification systems for traffic information contents of internet portal sites which collect and provide information than traffic information contents which are provided by public service. The purpose of this study is to investigate real accuracy and accuracy felt by users about information provided by portal sites. Therefore, in this research we verified accuracy of information by portal site with real field data and investigate real usage about contents and experienced accuracy by users through survey. Also, users' expectation and satisfaction were surveyed and the contents to be improved were selected by using IPA technique. By the result of accuracy verification by field data using portable DSRC(Dedicated Short Range Communication) devices, it is shown that average error was 14~32% and sometimes very high rate. Also, it is shown that 28.3 % of total respondents prefers the information by portal sites and 50 % of total respondents felt that contents of traffic information by portal sites are not accurate. Real-time traffic condition was selected as the most inaccurate one among all contents of traffic information and it was analyzed that intensive efforts for improving information about real-time traffic condition are needed.

Application of Crime Prevention Design based on Public Data Analysis: Focusing on Seoul (공공데이터분석 기반 범죄예방환경설계 적용 : 서울시 중심으로)

  • Kim, Sung-Jun
    • Korean Security Journal
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    • no.60
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    • pp.91-111
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    • 2019
  • Violent crimes have increased continuously due to the development of urban society and have become a threatening factor against the residential safety of citizens. The prevention of these crimes is always a major topic in human society and one of the fundamental elements of the quality of life and safety of citizens. In recent years, much attention has been paid to environmental design through the Crime Prevention Through Environmental Design (CPTED) as a preventive measure. Currently, South Korea is promoting the openness and utilization of public data, and crime prevention is one of the fields that can utilize public data actively. This approach to crime prevention utilizing public data will be helpful for the proposal of policies from new viewpoints departing from the general utilization measures of CPTED that improve streetlights and closed-circuit television (CCTV) installations, whose limitations have been pointed out as they are only mechanical surveillance. Thus, this study sets the research scope based on the statistics of the status of five criminal offenses by administrative district in recent years provided by the data portal in Seoul City, the capital of South Korea, as the utilization data and concentrates on the analysis. Based on the analysis results, this study proposes a method to utilize classical music as a new policy for regions where the improvements are most needed. The open-source Python analysis program was employed as the main data analysis and visualization method.

Classification of Seoul Metro Stations Based on Boarding/ Alighting Patterns Using Machine Learning Clustering (기계학습 클러스터링을 이용한 승하차 패턴에 따른 서울시 지하철역 분류)

  • Min, Meekyung
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.18 no.4
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    • pp.13-18
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    • 2018
  • In this study, we classify Seoul metro stations according to boarding and alighting patterns using machine earning technique. The target data is the number of boarding and alighting passengers per hour every day at 233 subway stations from 2008 to 2017 provided by the public data portal. Gaussian mixture model (GMM) and K-means clustering are used as machine learning techniques in order to classify subway stations. The distribution of the boarding time and the alighting time of the passengers can be modeled by the Gaussian mixture model. K-means clustering algorithm is used for unsupervised learning based on the data obtained by GMM modeling. As a result of the research, Seoul metro stations are classified into four groups according to boarding and alighting patterns. The results of this study can be utilized as a basic knowledge for analyzing the characteristics of Seoul subway stations and analyzing it economically, socially and culturally. The method of this research can be applied to public data and big data in areas requiring clustering.

An Interactive AI Chatbot Providing Location Information Service (위치정보 서비스를 제공하는 대화형 AI 챗봇)

  • Ha, Jung hyun;Lee, Si hyun;Lee, So young;Kim, Hye min;Lee, Soo won
    • Proceedings of the Korea Information Processing Society Conference
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    • 2018.10a
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    • pp.696-698
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    • 2018
  • 본 연구에서는 메신저 플랫폼 상에서 위치정보 서비스를 제공하는 대화형 인공지능 챗봇(Chatbot)을 제안한다.별도의 애플리케이션에 들어가서 위치정보 서비스를 제공받던 기존 방식과는 달리 본 연구에서 제안하는 챗봇은 메시지 앱 내에서 대화형 방식으로 사용자에게 위치정보 서비스를 제공한다. 제안 챗봇은 Amazon Web Services 서버, Dialogflow API, ODSay API, 공공데이터 포탈 API 등을 통하여 구현되었다.

A Study for Extension of BIM/GIS Interoperability Platform linked External Open Data (외부개방데이터 연계를 통한 BIM/GIS 상호운용 플랫폼확장에 관한 연구)

  • Park, Seung-Hwa;Hong, Chang-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.3
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    • pp.78-84
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    • 2017
  • Because the 'Internet of Things' and sensor network technology have become a new generation industry competitiveness with a development of Information Communication Technology, each local autonomous entity is trying to adopt a Smart City quickly. This requires an integrated platform inside of a smart city operation center. Established Smart City platform provides various services using CCTV information and ITS transportation information based on a two-dimensional map. The provision of advanced Smart City services will necessitate three-dimensional map information, building and facilities unit information, linked information with public data portal for service to the public. In this paper, the authors reviewed development trends of Smart City integrated platform and proposed mashup methods between BIM/GIS interoperability platform and external open data. BIM/GIS platform can provide spatial information services for indoor and outdoor seamlessly because it was developed based on GIS spatial data with BIM data. The linked external open data are V-World data, Seoul Open Data, and Architectural Data Open. Finally, the authors proposed the direction of development for BIM/GIS integrated platform to provide advanced Smart City services.

A Fundamental Study on Development Framework of Integrated Database for Construction CALS (건설CALS 통합데이터베이스 구축을 위한 기초적 연구)

  • Kwon Sung-Hyun;Moon Sung-Woo;Lee Cheol-Kyu;Baik Jong-Keon;Kim Jae-Jun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.446-449
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    • 2002
  • To establish integrated Database, this paper (1) grasped key success factors of integrated data environment, (2) selected linking information through investigating information-oriented projects and database necessary to perform construction project in public section, (3) divided selected information into project-based information and general information, and then (4) presented plan of sharing knowledge through using the linking method of knowledge database and meta-database.

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