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Showing papers in "Sustainable Cities and Society in 2018"


Journal ArticleDOI
TL;DR: The paper presents a brief overview of smart cities, followed by the features and characteristics, generic architecture, composition, and real-world implementations ofSmart cities, and some challenges and opportunities identified through extensive literature survey on smart cities.

925 citations


Journal ArticleDOI
TL;DR: A blockchain-based framework for secure, interoperable, and efficient access to medical records by patients, providers, and third parties, while preserving the privacy of patients’ sensitive information is proposed, named Ancile.

517 citations


Journal ArticleDOI
TL;DR: This paper proposes a framework which brings together a large number of previous studies on smart cities and sustainable cities, including research directed at a more conceptual, analytical, and overarching level, as well as research on specific technologies and their novel applications to add additional depth to studies in the field of smart sustainable cities.

436 citations


Journal ArticleDOI
TL;DR: In this article, the utilization of waste cooking oil (WCO) for the production of biodiesel was investigated, where the WCO was subjected to esterification using different acid catalysts (HCl, H2SO4 and H3PO4) and the results showed that the H 2SO4 catalyzed reaction was the most efficient since the FFA reduced up to 88.8% at 60°C with 1:2.5 methanol to oil molar ratio.

294 citations


Journal ArticleDOI
TL;DR: This paper has established an IoT-based Smart City by using Big Data analytics while harvesting real-time data from the city by using existing smart systems and IoT devices as city data sources to develop the Smart Digital City.

260 citations


Journal ArticleDOI
TL;DR: In this article, the authors performed a meta-analysis of the reported evaluation results, reflecting the capability of the model to accurately calculate the diurnal profile of microclimatic variables.

244 citations


Journal ArticleDOI
TL;DR: A taxonomy of the different aspects of car-sharing is introduced and the unbalancing between the literature related to the operational level and the economic, business development and customer validation aspects is shown.

209 citations


Journal ArticleDOI
TL;DR: This article will identify and offer possible solutions to five smart city challenges, in hopes of anticipating destabilizing and costly disruptions.

201 citations


Journal ArticleDOI
TL;DR: In this article, phase change materials (PCMs) have been considered as a useful passive method to absorb the excessive heat during day time and release the stored heat during night time.

178 citations


Journal ArticleDOI
TL;DR: In this article, the authors investigated meeting electrical energy demand of off-grid vacation homes via photovoltaic/wind/fuel cell hybrid energy systems from a techno-economic perspective.

178 citations


Journal ArticleDOI
TL;DR: A review on the optimization approaches for hybrid DEG systems, considering both stand-alone and grid-connected systems, shows that AI techniques are still dominating the techniques used for optimization of DEg systems, with particle swarm optimization (PSO) recognized as the most used AI method.

Journal ArticleDOI
TL;DR: In this article, a comprehensive literature review was conducted, from which 15 prevailing Green Building Rating Systems (GBRSs) were identified and the major research efforts conducted by the existing GBRS-related studies, and the directions for the future GBRS research.

Journal ArticleDOI
TL;DR: The simulation results show that the Firefly Algorithm has the minimum execution time and best performance among the other algorithms, and shows that the optimal configuration is obtained for a system comprising of 24 PV panels, 4 biomass power systems, and 298 Ni-Fe batteries.

Journal ArticleDOI
TL;DR: In this article, a review of the impact of PM2.5 in indoor urban environments summarizes existing research in this area, specifically, the main sources and sinks in outdoor and indoor environments, the exposure limits that are currently applicable throughout the world, and the main socioeconomic impacts of exposure to PM 2.5.

Journal ArticleDOI
TL;DR: The Theory of Change is linked to the SSC concept and a theoretical logic model for the transformation towards SSCs is introduced, used to propose a coherent, systematic transformation roadmap that captures the cross-cutting readiness of a city along its infrastructures.

Journal ArticleDOI
TL;DR: In this paper, the authors review the state of the art in tropical heat island intensity, its influence on building energy consumption and the effect of urban compactness in the tropics.

Journal ArticleDOI
TL;DR: In this paper, the authors used the estimation method ARDL to model the long run and short run relationship between health expenditure (HE), Environmental pollution (CO2 emissions; Nitrous oxide emissions) and economic growth in Sub-Saharan Africa countries.

Journal ArticleDOI
TL;DR: In this paper, the authors evaluated the perceived benefits of integrating BIM initiatives and sustainability practices in construction projects and recommended strategies to enable the construction industry to key-in to these benefits as well as identifying prevalent research gaps in practice.

Journal ArticleDOI
TL;DR: Hurricane Sandy had a significant and immediate impact on neighborhoods classified as least resilient based on the calculated REDI scores, while the most resilient neighborhoods were shown to better withstand disruption to normal activity patterns and more quickly recover to pre-event functional capacity.

Journal ArticleDOI
TL;DR: Wang et al. as mentioned in this paper investigated the cooling effect of different types of green spaces on the urban heat island (UHI) effect and further research was undertaken on the effect of green space area, perimeter area ratio, green space average canopy density, average leaf area index (LAI), and other factors influencing the cooling effects.

Journal ArticleDOI
TL;DR: An overview of recent undertakings that present storage and demand response techniques as solutions for the stable operation of renewable energy microgrids finds that the parameters used for modeling storage have been simplified and the demand response incentives have been assumed to be enough for users to be willing to participate in demand response programs.

Journal ArticleDOI
TL;DR: A multi expert multi criteria decision making approach is adopted using fuzzy AHP, VIKOR and DEA for sustainable development and reveals that basic amenities, environment concern and governance system need to be focused upon for improving the efficiency score of science & technology.

Journal ArticleDOI
TL;DR: A Weighted Aggregated Sum Product Assessment (WASPAS) based Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) with interval type-2 fuzzy multi-criteria decision making (MCDM) model is proposed to provide a more accurate decision-making tool for problems involving high levels of uncertainty.

Journal ArticleDOI
TL;DR: Results confirm that the PEVs can effectively contribute in the demand response (DR) programs for the proposed microgrid model.

Journal ArticleDOI
TL;DR: In this paper, an extended Theory of Planned Behavior (TPB) model was exploited to analyze how householders' attitudes, subjective norms, perceived behavioral control, and situational factors affected their overall behavior.

Journal ArticleDOI
TL;DR: A stochastic model for real time electricity and natural-gas prices and electricity demands is presented and conditional value at risk (CVaR) technique is used to control the operational risk of an S. E. Hub when electricity andnatural gas are converted to electrical, heating, and cooling energy in its output ports.

Journal ArticleDOI
TL;DR: Wang et al. as discussed by the authors focused on urban vitality assessment to address the increasing decentralized urban pattern and take precautions to urban decline using Chicago in the US and Wuhan in China as examples, urban vitality was decomposed into four aspects: density, livability, accessibility and diversity.

Journal ArticleDOI
TL;DR: In this article, an experimental study has been conducted for using PCM as thermal insulation materials by its incorporating with layers of the walls and the ceiling, the effect of PCM and its role in improvement of thermal performance and thermal comfort is experimentally studied.

Journal ArticleDOI
TL;DR: The Levenberg–Marquardt back-propagation (LM-BP) neural network is proposed to enhance the accuracy of predictions by combining the gradient descent and Quasi-Newton method, thereby ensuring the fast convergence speed and maintaining better overall performance.

Journal ArticleDOI
TL;DR: This work proposes a big data analytics architecture for Intelligent Transportation Systems (ITS), which has a built-in storage and analysis capability to work with ITS data and is composed of four modules, namely (1) Big Data Acquisition and Preprocessing Unit (2)Big Data Processing Unit (3) Big data Analytics Unit and (4) Data Visualization Unit.