• Title/Summary/Keyword: cities

Search Result 5,637, Processing Time 0.032 seconds

A Study on the Development Plan of Smart City in Korea

  • KIM, Sun-Ju
    • The Journal of Economics, Marketing and Management
    • /
    • v.10 no.6
    • /
    • pp.17-26
    • /
    • 2022
  • Purpose: This study analyzes advanced cases of overseas smart cities and examines policy implications related to the creation of smart cities in Korea. Research design, data, and methodology: Analysis standards were established through the analysis of best practices. Analysis criteria include Technology, Privacy, Security, and Governance. Results: In terms of technology, U-City construction experience and communication infrastructure are strengths. Korea's ICT technology is inferior to major countries. On the other hand, mobile communication, IoT, Internet, and public data are at the highest level. The privacy section created six principles: legality, purpose limitation, transparency, safety, control, and accountability. Security issues enable urban crime, disaster and catastrophe prediction and security through the establishment of an integrated platform. Governance issues are handled by the Smart Special Committee, which serves as policy advisory to the central government for legal system, standardization, and external cooperation in the district. Conclusions: Private technology improvement and participation are necessary for privacy and urban security. Citizens should participate in smart city governance.

Air Pollutant Reduction Effect on Road Mobility in Hydrogen Economy Era (수소경제 활성화 로드맵 달성에 따른 교통 부문의 대기오염원 저감 효과 분석)

  • KIM, JUNGHWA
    • Journal of Hydrogen and New Energy
    • /
    • v.31 no.6
    • /
    • pp.522-529
    • /
    • 2020
  • This study evaluated the effect of improving the atmospheric environment based on the premise that the supply of hydrogen fuel cell vehicles (HFCV) will be achieved as many as the number of vehicles presented in the hydrogen economy activation roadmap announced by the Korean government in January 2019. The HFCV supply target (2.7 million passenger cars) suggested in the hydrogen economy revitalization roadmap was logically allocated to the five major metropolitan areas in Korea. Air pollution damage costs by region were calculated by reflecting the basic unit of damage cost to the estimated air pollutant emissions. As a result, it was confirmed that the benefits per unit of some cities in Gyeonggi-do were derived more than major cities in the metropolitan area.

Exploring the Relationship between Place and Crime Using Spatial Econometrics Model

  • Lee, Soochang;Kim, Daechan
    • International Journal of Advanced Culture Technology
    • /
    • v.9 no.2
    • /
    • pp.32-38
    • /
    • 2021
  • The purpose of this study is to examine the spatial characteristics of violent and burglary crimes in South Korea. Violent crimes and burglary crimes depend on a spatial setting with good conditions for their criminal purposes. This study defines population density, racial heterogeneity, types of houses, and density of commercial facilities as variables of place affecting crime in cities and counties. The study collects data from 229 cities in Korea to analyze the effect of spatial characteristics on crime. We conduct additional analyses to meet the statistical requisites of the spatial econometrics model using the open-source software R and GeoDa 1.12.1.129. From the analytical result, population density, racial heterogeneity, apartments, and commercial areas relate to crime occurrence. We suggest the implication of the theoretical and practical contributions to the relationship between place and crime.

Urban History and 'Geohistory' of E. W. Soja

  • Hong, Yong-Jin
    • Journal of East-Asian Urban History
    • /
    • v.2 no.1
    • /
    • pp.163-190
    • /
    • 2020
  • This paper aims to introduce and understand critically the work of Edward Soja, mainly the First part of the which develops his own concepts, such as 'synekism', 'trialectics of space', 'regionality' and 'geohistory'. Most of all, in explaining Geohistory, he emphasizes three 'Urban revolutions': First Urban revolutions in Jericho and ÇatalHüyük, which shows first synekism as proto urban society, Second in Ur and other Sumerian cities where appeared a concentrated power of central government and its transcendental ideologies, and Third in Manchester and in Chicago, typical capitalist cities. These three urban revolutions don't correspond to the established historical periodization. In order to understand these revolutions, it is necessary to comprehend the concept of 'machine' of G. Deleuze and F. Guattari, inspired, in fact, by Lewis Mumford - Primitive Territorial machine, Barbaric Despotic machine, and Civilized Capitalist machine. However, these periodization and concepts of E. Soja have to be applied very cautiously in accordance with concrete historical sources, avoiding theoretical distortion on positivity of historical facts.

Spatial Analysis of Green Infrastructure for Urban Flood Mitigation (도시홍수 방재를 위한 그린 인프라스트럭처 공간분석)

  • Lee, Hye Kyung
    • Journal of KIBIM
    • /
    • v.10 no.4
    • /
    • pp.81-88
    • /
    • 2020
  • Green Infrastructure has been considered as one of strategies for flood mitigation in cities. Although, the diverse benefits of green infrastructure implementation are studies, there is a lack of research on the relationship between spatial composition and configuration of green infrastructure and urban flood mitigation. To address this gap, this study 1) utilized high-resolution satellite imagery to analyze spatial composition and configuration of green infrastructure in highly developed seven cities in South Korea, and 2) conducted an empirical analysis to find the relationship between economic losses from flooding and spatial patterns of green infrastructure and development patterns. The results of this research will be helpful for urban planners to prepare green infrastructure implementation guidelines for effective urban flood mitigation.

Research on the Urban Ecological Space Changes under Modern Passive Industrialization Case Study of Zhengzhou City in China

  • Yang, Juntao;Baek, Seungman
    • Architectural research
    • /
    • v.23 no.2
    • /
    • pp.29-37
    • /
    • 2021
  • Early in the communist era, many cities in modern China experienced a special period of passive industrialization during which the construction of urban spaces laid the spatial urban foundation. During this period, the city construction was carried out rapidly under the administrative intervention of the government. The passive industrialization caused by taking economic construction as the center made the city construction deviate from the correct track and resulted in a variety of problems. Focusing on ecological space change, this paper selects Zhengzhou as an example of many similar cities in China, and analyzes the impact of passive industrialization on urban ecological spaces from the perspectives of city scale, city layout and city construction management system. The analysis results reveal that the construction of urban ecological space under the influence of passive industrialization induced a lagging characteristic, led to insufficient integrity of urban ecological space, and placed great pressure on the urban environment. Finally, the paper puts forward some methods to optimize the urban ecological space.

Digital Outdoor Advertising Tecoration for the Metaverse Smart City

  • Yoo, Seung-Chul;Piscarac, Diana;Kang, Seungmi
    • International Journal of Advanced Culture Technology
    • /
    • v.10 no.1
    • /
    • pp.196-203
    • /
    • 2022
  • Developing smart cities increasingly relies on metaverse technology. This has become much more apparent in the post-COVID-19 pandemic urban environment. The demand for fast processing of huge amounts of data and the convergence of various media types is essential for keeping city residents well-informed and safe. This paper builds on recent research on metaverse, smart cities, and digital outdoor advertising media. It proposes that "space culture media", which collectively functions by using physical or virtual spatial information, will play a key role in the smart city, functioning as an augmented city. Specifically, this paper deals with significant issues related to the smart city changes created by tecoration, a metaverse urban media space facilitated and enhanced through digital outdoor advertising.

Improvement on the Urban Transportation System in Pusan Area (부산지역 도시교통체계의 개선방안에 관한 연구)

    • Journal of Korean Port Research
    • /
    • v.8 no.1
    • /
    • pp.3-15
    • /
    • 1994
  • Most of Cities are suffering from the traffic congestion problem with the vehicles increased. Especially, the City of Pusan is experiencing the severest traffic congestion with the lower read capacity and the higher travel demand than any other cities in the country. Thus, the purpose of this study was to grasp the conditions, review the problems and finally suggest the improvements which we faced at this time for the construction of the Urban Transportation System considered in Pusan area. Based upon the results, it was concluded that firstly the Urban Transportation System(UTS) in Pusan area should be constructed by the Public Transportation System in the center of the Public Transit Modes(i.e., bus and subway), secondly the Para-transit Modes(i.e., Light Rail Transit, LRT) introduced, and thirdly the Transportation Demand Management(TDM) implemented with the expansion of the transportation facilities if possible.

  • PDF

Recent Trends on Smart City Security: A Comprehensive Overview

  • Hyuk-Jun, Kwon;Mikail Mohammed, Salim;Jong Hyuk, Park
    • Journal of Information Processing Systems
    • /
    • v.19 no.1
    • /
    • pp.118-129
    • /
    • 2023
  • The expansion of smart cities drives the growth of data generated from sensor devices, benefitting citizens with enhanced governance, intelligent decision-making, optimized and sustainable management of available resources. The exposure of user data during its collection from sensors, storage in databases, and processing by artificial intelligence-based solutions presents significant security and privacy challenges. In this paper, we investigate the various threats and attacks affecting the growth of future smart cities and discuss the available countermeasures using artificial intelligence and blockchain-based solutions. Open challenges in existing literature due to the lack of countermeasures against quantum-inspired attacks are discussed, focusing on postquantum security solutions for resource-constrained sensor devices. Additionally, we discuss future research and challenges for the growing smart city environment and suggest possible solutions.

Evaluating Geographic Differences in Electricity Burdens: An Analysis of Socioeconomic and Housing Characteristics in Erie County, New York

  • Nolan W. Kukla
    • Asian Journal of Innovation and Policy
    • /
    • v.12 no.1
    • /
    • pp.101-130
    • /
    • 2023
  • The increasing cost, and demand for, household energy has increased attention to the phenomena of energy burdens. Despite this increased attention, a lack of consensus remains in pinpointing the strongest predictors, and geographic differences, that exist within the energy ecosystem. This study addresses this gap by utilizing a series of dummy variable regressions across cities, suburbs, and rural areas within Erie County, New York-a county noted to have particularly high energy burdens. Specifically, three types of predictor sets were incorporated into the methodology: a set of socioeconomic variables, physical variables, and a combination of both variable sets. The results of this study suggest that cities tend to have the highest electricity burdens. Despite the aging infrastructure in Erie County, high energy burdens were driven primarily by socioeconomic factors such as housing cost burden and poverty status. Lastly, this study explores various planning and policy implications Erie County can utilize to reduce energy burdens. In turn, this study highlights the importance of focusing policy efforts on existing social service programs to provide support to the region's neediest households.