Results 101 to 110 of about 9,462 (282)

Trajectory Privacy-Protection Mechanism Based on Multidimensional Spatial–Temporal Prediction

The popularity of global GPS location services and location-enabled personal terminal applications has contributed to the rapid growth of location-based social networks.
Ji Xi, Meiyu Shi, Weiqi Zhang, Yanting Liu, Zhe Xu   +4 more
core   +1 more source

Dimensions of the AI Divide: Digital Inequality and Psychological Consequences

AI &Innovation, EarlyView.
ABSTRACT Artificial intelligence (AI) has become a foundational component of contemporary social, economic, and political life. Yet, the ways in which AI reshapes patterns of exclusion beyond questions of access and technical capability remain insufficiently theorized.
Christos Papaioannou
wiley   +1 more source

Protecting Personalized Trajectory with Differential Privacy under Temporal Correlations

2024 IEEE Wireless Communications and Networking Conference (WCNC)
Location-based services (LBSs) in vehicular ad hoc networks (VANETs) offer users numerous conveniences. However, the extensive use of LBSs raises concerns about the privacy of users' trajectories, as adversaries can exploit temporal correlations between different locations to extract personal information.
Mingge Cao, Haopeng Zhu, Minghui Min, Yulu Li, Shiyin Li, Hongliang Zhang 0001, Zhu Han 0001   +6 more
openaire   +2 more sources

Lost in aggregation? On the importance of local food price data for food poverty estimates

American Journal of Agricultural Economics, EarlyView.
Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich, Valerio Giuffrida, Bruno Martorano, Georg Schmerzeck, Marco Tiberti   +4 more
wiley   +1 more source

Trajectory privacy protection method based on location obfuscation

Tongxin xuebao, 2018
In the process of continuous queries,a method of trajectory privacy protection based on location obfuscation was proposed to solve the problem that K-anonymity was difficult to guarantee user privacy in third party architectrue.Firstly,the (G-1) query ...
Shaobo ZHANG, Qin LIU, Guojun WANG
doaj   +2 more sources

Storage Efficient Trajectory Clustering and k-NN for Robust Privacy Preserving Spatio-Temporal Databases

, 2019
The need to store massive volumes of spatio-temporal data has become a difficult task as GPS capabilities and wireless communication technologies have become prevalent to modern mobile devices. As a result, massive trajectory data are produced, incurring
Elias Dritsas, Athanasios Tsakalidis, Maria Trigka, Andreas Kanavos, Spyros Sioutas   +4 more
core   +1 more source

The psychosocial toll of Dublin III on asylum seekers in the Netherlands

American Journal of Community Psychology, EarlyView.
Abstract The Dublin III Regulation determines which EU Member State is responsible for examining asylum claims, but its implementation carries significant consequences for those subjected to it. This study examines how Dublin III, as implemented in the Netherlands, affects asylum seekers' psychosocial wellbeing using Silove′s Adaptation and Development
Imen El Amouri
wiley   +1 more source

Differential Privacy-Based Location Privacy Protection with Hilbert Curve in Vehicular Networks

The mishandled or inadequately of the location data can lead to significant privacy breaches. Existing studies employ differential privacy and Hilbert curve on a timestamp or multiple points, overlooking the correlation between a moving user’s location ...
Wang, X, Liu, RP, Jiang, Y, Ma, B, Ni, W, Li, J, Zhao, Y   +6 more
core   +1 more source

Negotiating contested spaces and places: Narratives of social suffering and resistance in racialized Cape Town communities

American Journal of Community Psychology, EarlyView.
Abstract This study employs a schizocartographic approach to explore community narratives of space, memory, and violence in Kraaifontein, Cape Town. Through participants' accounts, ordinary places—gardens, shops, blocks, sports grounds, and streets—emerge as ambivalent geographies where trauma, resilience, and belonging intersect.
Guido Veronese, Chiara Fiscone, Ashraf Kagee   +2 more
wiley   +1 more source

Key Method for Privacy Protection of Trajectory Data

International Journal of Information Security and Privacy
With the extensive proliferation of location-based services, protecting user trajectory privacy against continuous query attacks has become a critical challenge. Existing protection mechanisms often suffer from a rigid trade-off between privacy strength and service quality.
Xiang Gong, Qiaoqiao Wang, Guojie Li, Dehan Kong   +3 more
openaire   +1 more source