Big data applications: Overview, challenges and future

A Badshah, A Daud, R Alharbey, A Banjar… - Artificial Intelligence …, 2024 - Springer
Big Data (ie, social big data, vehicular big data, healthcare big data etc) points to massive
and complex data, that require special technologies and approaches for storage …

Context modeling and processing in Location Based Services: research challenges and opportunities

H Huang, Y Cheng, W Dong, G Gartner… - Journal of Location …, 2024 - Taylor & Francis
To ensure good usability, Location Based Services (LBS) should be context-aware, ie
adapting the information and services according to the context of their user, such as his/her …

Sustainable open data ecosystems in smart cities: A platform theory-based analysis of 19 European cities

M Lnenicka, A Nikiforova, A Clarinval, M Luterek… - Cities, 2024 - Elsevier
An understanding of how modern Open Data Ecosystems (ODEs) work is critical in the
context of current trends towards sustainability and smartness, while is seen to be an asset …

[HTML][HTML] Understanding temporal and spatial patterns of urban activities across demographic groups through geotagged social media data

H Niu, EA Silva - Computers, Environment and Urban Systems, 2023 - Elsevier
Large-scale geotagged social media data have been increasingly used for exploring human
movement patterns in cities. Challenges of this new data type, such as non-representative …

Assessing veracity of big data: An in-depth evaluation process from the comparison of Mobile phone traces and groundtruth data in traffic monitoring

A Nalin, V Vignali, C Lantieri, D Cappellari… - Journal of Transport …, 2024 - Elsevier
Veracity is a critical dimension of Big Data, as it is related to the quality of data. Its role is
even more important when Big Data are supposed to be a counterpart or a substitute of …

Capturing urban recreational hotspots from GPS data: A new framework in the lens of spatial heterogeneity

H Shi, H Huang, D Ma, L Chen, M Zhao - Computers, Environment and …, 2023 - Elsevier
Recreational activities are heterogeneously distributed throughout urban space, with far
more low-density areas than high-density ones. Identification of recreational hotspots, or …

Using street-view panoramas to model the decision-making complexity of road intersections based on the passing branches during navigation

F Guan, Z Fang, X Zhang, H Zhong, J Zhang… - … Environment and Urban …, 2023 - Elsevier
The complexity of urban physical environments at road intersections is a primary factor
characterizing the difficulty of wayfinding, which is a fundamental spatial activity of human …

[HTML][HTML] Exploiting geospatial data of connectivity and urban infrastructure for efficient positioning of emergency detection units in smart cities

JPJ Peixoto, JCN Bittencourt, TC Jesus… - … Environment and Urban …, 2024 - Elsevier
The detection of critical situations through the adoption of multi-sensor Emergency Detection
Units (EDUs) can significantly reduce the time between the initial stages of urban …

From trajectories to network: Delineating the spatial pattern of recreational walking in Guangzhou

H Shi, L Yao, Q Liu, Y Wang, Z Wei, M Zhao, D Ma - Applied Geography, 2024 - Elsevier
Recreational walking is increasingly recognized as an essential aspect of daily life, whose
network structure serving as a crucial tool for characterizing activity patterns. However …

Inferring building function: A novel geo-aware neural network supporting building-level function classification

X Zhang, X Liu, K Chen, F Guan, M Luo… - Sustainable Cities and …, 2023 - Elsevier
Buildings are fundamental components of urban areas and they play a vital role in
supporting human activities in daily life. Understanding the actual building functions is …