scholarly journals City Maker: Reconstruction of Cities from OpenStreetMap Data for Environmental Visualization and Simulations

2019 ◽  
Vol 8 (7) ◽  
pp. 298 ◽  
Author(s):  
I. Alihan Hadimlioglu ◽  
Scott A. King
Keyword(s):  
Emergency Management ◽  
Urban Areas ◽  
Smart Cities ◽  
Data Availability ◽  
Data Formats ◽  
3D Processing ◽  
Environmental Simulations ◽  
Simulation Parameters ◽  
The City ◽  
Different Sources

Recent innovations in 3D processing and availability of geospatial data have contributed largely to more comprehensive solutions to data visualization. As various data formats are utilized to describe the data, a combination of layers from different sources allow us to represent 3D urban areas, contributing to ideas of emergency management and smart cities. This work focuses on 3D urban environment reconstruction using crowdsourced OpenStreetMap data. Once the data are extracted, the visualization pipeline draws features using coloring for added context. Moreover, by structuring the layers and entities through the addition of simulation parameters, the generated environment is made simulation ready for further use. Results show that urban areas can be properly visualized in 3D using OpenStreetMap data given data availability. The simulation-ready environment was tested using hypothetical flooding scenarios, which demonstrated that the added parameters can be utilized in environmental simulations. Furthermore, an efficient restructuring of data was implemented for viewing the city information once the data are parsed.

scholarly journals Disaster Management in Smart Cities

Smart Cities ◽  
2021 ◽  
Vol 4 (2) ◽  
pp. 819-839
Author(s):  
Luís B. Elvas ◽  
Bruno Miguel Mataloto ◽  
Ana Lúcia Martins ◽  
João C. Ferreira
Keyword(s):  
Disaster Management ◽  
Smart City ◽  
Smart Cities ◽  
Practical Implication ◽  
Data Availability ◽  
Critical Infrastructures ◽  
Cascading Effects ◽  
Data Driven Approach ◽  
New Research ◽  
The City

The smart city concept, in which data from different systems are available, contains a multitude of critical infrastructures. This data availability opens new research opportunities in the study of the interdependency between those critical infrastructures and cascading effects solutions and focuses on the smart city as a network of critical infrastructures. This paper proposes an integrated resilience system linking interconnected critical infrastructures in a smart city to improve disaster resilience. A data-driven approach is considered, using artificial intelligence and methods to minimize cascading effects and the destruction of failing critical infrastructures and their components (at a city level). The proposed approach allows rapid recovery of infrastructures’ service performance levels after disasters while keeping the coverage of the assessment of risks, prevention, detection, response, and mitigation of consequences. The proposed approach has the originality and the practical implication of providing a decision support system that handles the infrastructures that will support the city disaster management system—make the city prepare, adapt, absorb, respond, and recover from disasters by taking advantage of the interconnections between its various critical infrastructures to increase the overall resilience capacity. The city of Lisbon (Portugal) is used as a case to show the practical application of the approach.

scholarly journals Building Smarter Cities through Social Entrepreneurship

2017 ◽  
pp. 327-362 ◽  
Author(s):  
Susana Bernardino ◽  
J. Freitas Santos
Keyword(s):  
Urban Areas ◽  
Smart Cities ◽  
Qualitative Approach ◽  
Non Profit ◽  
Social Interventions ◽  
Social Ventures ◽  
Different Characteristics ◽  
The City ◽  
Disadvantaged People

The objective of the present study is to examine the extent to which social ventures are able to increase the “smartness” of cities. To achieve this goal, we adopt a qualitative approach using a case study method to obtain valuable insights about different characteristics and strategies of Cais (a non-profit association dedicated to helping disadvantaged people in urban areas). Through our analysis of Cais's activities, we assess whether its social interventions match the dimensions proposed by Giffinger et al. (2007) to rank smart cities' performance; specifically, it has smart: economy, people, governance, mobility, environment, and living. The research shows that the action pursued comprises elements from all the above-mentioned dimensions. Further, the analysis reveals that Cais reinforces the smartness of the city in which it acts (in terms of attributes such as living, economy, people, and environment).

Smart Cities and Digital Governance

2020 ◽  
pp. 87-106
Author(s):  
Mamoona Humayun ◽  
N. Z. Jhanjhi ◽  
Malak Z. Alamri ◽  
Azeem Khan
Keyword(s):  
Smart City ◽  
Urban Areas ◽  
Good Governance ◽  
Smart Cities ◽  
Low Cost ◽  
Developed Countries ◽  
Digital Governance ◽  
Smart Governance ◽  
Intelligent Security ◽  
The City

With the ubiquitous low-cost sensor devices and widespread use of IoT, the paradigm is shifted from urban areas towards a smart city. A smart city is an urban area that uses IoT technologies to collect data and manage resources efficiently. The vision is to improve the capabilities and to solve the citizens' problems (e.g., energy consumption, transportation, recycling, intelligent security, etc.) in an efficient way. A smart city is a multidimensional term including a smart economy, smart mobility, smart living, smart environment, smart people, and smart governance. Although the concept of a smart city is increasing and currently there exist many such cities in many developed countries, one of the key challenges faced by these cities is good governance. Smart cities need smart governance to run the city in a smarter way, and effective digital governance is a solution to this end. Digital governance refers to the use of digital technology in government practices.

scholarly journals Building Smarter Cities Through Social Entrepreneurship

2018 ◽  
pp. 1273-1308
Author(s):  
Susana Bernardino ◽  
J. Freitas Santos
Keyword(s):  
Urban Areas ◽  
Smart Cities ◽  
Qualitative Approach ◽  
Non Profit ◽  
Social Interventions ◽  
Social Ventures ◽  
Different Characteristics ◽  
The City ◽  
Disadvantaged People

The objective of the present study is to examine the extent to which social ventures are able to increase the “smartness” of cities. To achieve this goal, we adopt a qualitative approach using a case study method to obtain valuable insights about different characteristics and strategies of Cais (a non-profit association dedicated to helping disadvantaged people in urban areas). Through our analysis of Cais's activities, we assess whether its social interventions match the dimensions proposed by Giffinger et al. (2007) to rank smart cities' performance; specifically, it has smart: economy, people, governance, mobility, environment, and living. The research shows that the action pursued comprises elements from all the above-mentioned dimensions. Further, the analysis reveals that Cais reinforces the smartness of the city in which it acts (in terms of attributes such as living, economy, people, and environment).

scholarly journals LAST MILE LOGISTICS IN THE FRAMEWORK OF SMART CITIES: A TYPOLOGY OF CITY LOGISTICS SCHEMES

2020 ◽  
Vol XLIV-4/W3-2020 ◽  
pp. 335-337
Author(s):  
T. M. Özbekler ◽  
A. Karaman Akgül
Keyword(s):  
Traffic Congestion ◽  
Smart City ◽  
Urban Areas ◽  
Social Impact ◽  
Smart Cities ◽  
Detailed Examination ◽  
City Logistics ◽  
Sustainable Solutions ◽  
Last Mile ◽  
The City

Abstract. As current cities are attributed to particular dynamism consists of population density and increased urbanization, urban areas are facing some challenges for city logistics, both in terms of economic, environmental, and social impact. Especially, the debates over last-mile logistics are arising with inefficiencies in delivery cost (half truckload on delivery) and delivery time per parcel (unnecessary waiting-load periods at multiple stops) while inner-urban areas are especially suffered from traffic congestion, emission, and noise pollution. In this regard, smart cities as a concept with the potential to produce sustainable solutions to urban problems bring along with the need for innovative urban logistics systems to make conventional distribution channels of the city up to date. The key objective tackled in this paper can be defined as the identification of the city logistics schemes with highlighting current approaches in smart cities. The study adopts a systemic approach based on the typology of consolidation-distribution schemes in city logistics to define the feasibility of micro logistics initiatives from the scope of the smart city consisting of mobility, sustainability, and liveability. Thanks to a detailed examination of city logistics dynamics, this study can contribute theoretically to smart city logistics literature as well as practically the logistics sector.

scholarly journals Detailed Streetspace Modelling for Multiple Applications: Discussions on the Proposed CityGML 3.0 Transportation Model

2020 ◽  
Vol 9 (10) ◽  
pp. 603
Author(s):  
Christof Beil ◽  
Roland Ruhdorfer ◽  
Theresa Coduro ◽  
Thomas H. Kolbe
Keyword(s):  
Urban Areas ◽  
Smart Cities ◽  
Three Dimensional ◽  
Data Availability ◽  
Minor Role ◽  
Extensive Literature ◽  
Transportation Model ◽  
Potential Applications ◽  
A Minor ◽  
City Models

In the context of smart cities and digital twins, three-dimensional semantic city models are increasingly used for the analyses of large urban areas. While the representation of buildings, terrain, and vegetation has become standard for most city models, detailed spatio-semantic representations of streetspace have played a minor role so far. This is now changing (1) because of data availability, and (2) because recent and emerging applications require having detailed data about the streetspace. The upcoming version 3.0 of the international standard CityGML provides a substantially updated data model regarding the transportation infrastructure, including the representation of the streetspace. However, there already exist a number of other standards and data formats dealing with the representation and exchange of streetspace data. Thus, based on an extensive literature review of potential applications as well as discussions and collaborations with relevant stakeholders, seven key modelling aspects of detailed streetspace models are identified. This allows a structured discussion of representational capabilities of the proposed CityGML3.0 Transportation Model with respect to these aspects and in comparison to the other standards. Subsequently, it is shown that CityGML3.0 meets most of these aspects and that streetspace models can be derived from various data sources and for different cities. Models generated compliant to the CityGML standard are immediately usable for a number of applications. This is demonstrated for some applications, such as land use management, solar potential analyses, and traffic and pedestrian simulations.

scholarly journals Smart Cities: Data-Driven Solutions to Understand Disruptive Problems in Transportation—The Lisbon Case Study

Energies ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 3044
Author(s):  
Vitória Albuquerque ◽  
Ana Oliveira ◽  
Jorge Lourenço Barbosa ◽  
Rui Simão Rodrigues ◽  
Francisco Andrade ◽  
...  
Keyword(s):  
Smart Cities ◽  
Research Work ◽  
Data Availability ◽  
Data Driven ◽  
City Management ◽  
Cascading Effect ◽  
Mobility Data ◽  
Local Municipality ◽  
Big Picture ◽  
The City

Transportation data in a smart city environment is increasingly becoming available. This data availability allows building smart solutions that are viewed as meaningful by both city residents and city management authorities. Our research work was based on Lisbon mobility data available through the local municipality, where we integrated and cleaned different data sources and applied a CRISP-DM approach using Python. We focused on mobility problems and interdependence and cascading-effect solutions for the city of Lisbon. We developed data-driven approaches using artificial intelligence and visualization methods to understand traffic and accident problems, providing a big picture to competent authorities and supporting the city in being more prepared, adaptable, and responsive, and better able to recover from such events.

scholarly journals VIRTUAL TOURS FOR SMART CITIES: A COMPARATIVE PHOTOGRAMMETRIC APPROACH FOR LOCATING HOT-SPOTS IN SPHERICAL PANORAMAS

2019 ◽  
Vol XLII-2/W9 ◽  
pp. 347-353 ◽  
Author(s):  
R. Feriozzi ◽  
A. Meschini ◽  
D. Rossi ◽  
F. Sicuranza
Keyword(s):  
Hot Spots ◽  
Urban Areas ◽  
Smart Cities ◽  
Hot Spot ◽  
Three Dimensional ◽  
Point Of View ◽  
Control Units ◽  
Geometric Point ◽  
Spherical Images ◽  
The City

<p><strong>Abstract.</strong> The paper aims to investigate the possibilities of using the panorama-based VR to survey data related to that set of activities for planning and management of urban areas, belonging to the Smart Cities strategies. The core of our workflow is to facilitate the visualization of the data produced by the infrastructures of the Smart Cities. A graphical interface based on spherical panoramas, instead of complex three-dimensional could help the user/citizen of the city to better know the operation related to control units spread in the urban area. From a methodological point of view three different kind of spherical panorama acquisition has been tested and compared in order to identify a semi-automatic procedure for locating homologous points on two or more spherical images starting from a point cloud obtained from the same images. The points thus identified allow to quickly identify the same hot-spot on multiple images simultaneously. The comparison shows how all three systems have proved to be useful for the purposes of the research but only one has proved to be reliable from a geometric point of view to identify the locators useful for the construction of the virtual tour.</p>

scholarly journals Placemaking as multi-faceted tool in urban design and planning. A strategic approach in case of Hubballi city, Karnataka, India

2020 ◽  
Author(s):  
Anita C. Jakkappanavar
Keyword(s):  
Urban Design ◽  
Low Income ◽  
Urban Areas ◽  
Smart Cities ◽  
Drainage System ◽  
Negative Effects ◽  
The Sustainable Development ◽  
The Past ◽  
Over Exploitation ◽  
The City

Cities are the main engines of economy attracting influx of population from rural to urban areas. They are the major contributors of global GDP and hold high potential for development opportuniites but yet they face many inequalities. These negative effects suppress positive ones if not managed properly. In context to Hubballi (a developing city of North Karnataka), in the past the cultural matrix shared a symbiotic relationship with the green & blue networks that traversed the city in a manner that could be characterized as the urban commons. However, over a few decades, industrialization & changing economic drivers have led to over exploitation of natural resources. Specifically, in the case of Unkal Nullah, a canal which originates from Unkal Lake in the northern end of Hubballi city. The mismanagement of urban development led to self-build practices, poor drainage system and encroachment of low-income houses along the water edges. Lack of maintenance led to waste dumping practices into the canal which was a source of sustenance in the past, to become the backyard or sewer of the city in the present day. This inturn led ecological imbalances which were compromised and neglected to the background. To ameliorate the situation there have been multiple efforts in terms of policies and missions, the most recent one being the ‘smart cities mission’ which also stresses the sustainable development of Indian cities. This paper is an attempt to fulfill the motive of “smart cities makes better cities with healthier people” by assessing Place making as a major tool to configure waterfront dynamics to create public realm, to make people centric approach which contribute to people’s health, happiness and wellbeing. It is necessary to rethink on the matrix of land & water through urban design & planning efforts in making cities more connected with its water-land-people.

scholarly journals Building Smarter Cities Through Social Entrepreneurship

2019 ◽  
pp. 600-635
Author(s):  
Susana Bernardino ◽  
J. Freitas Santos
Keyword(s):  
Urban Areas ◽  
Smart Cities ◽  
Qualitative Approach ◽  
Non Profit ◽  
Social Interventions ◽  
Social Ventures ◽  
Different Characteristics ◽  
The City ◽  
Disadvantaged People

The objective of the present study is to examine the extent to which social ventures are able to increase the “smartness” of cities. To achieve this goal, we adopt a qualitative approach using a case study method to obtain valuable insights about different characteristics and strategies of Cais (a non-profit association dedicated to helping disadvantaged people in urban areas). Through our analysis of Cais's activities, we assess whether its social interventions match the dimensions proposed by Giffinger et al. (2007) to rank smart cities' performance; specifically, it has smart: economy, people, governance, mobility, environment, and living. The research shows that the action pursued comprises elements from all the above-mentioned dimensions. Further, the analysis reveals that Cais reinforces the smartness of the city in which it acts (in terms of attributes such as living, economy, people, and environment).

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