Doing more with less: Overcoming data scarcity for POI recommendation via cross-region transfer

V Gupta, S Bedathur - ACM Transactions on Intelligent Systems and …, 2022 - dl.acm.org
Variability in social app usage across regions results in a high skew of the quantity and the
quality of check-in data collected, which in turn is a challenge for effective location …

Where have you been: Dual spatiotemporal-aware user mobility modeling for missing check-in POI identification

J Wu, R Hu, D Li, L Ren, W Hu, Y Xiao - Information Processing & …, 2022 - Elsevier
The prevalence of Location-based Social Networks (LBSNs) services makes next
personalized Point-of-Interest (POI) predictions become a trending research topic. However …

KGCF: Social relationship-aware graph collaborative filtering for recommendation

Y Chen, T Xie, H Chen, X Huang, N Cui, J Li - Information Sciences, 2024 - Elsevier
With the increasing popularity of recommendation techniques and social networks, social
network recommendation has become a significant research field, ie, predicting a user's …

A survey of location-based social networks: problems, methods, and future research directions

X Wei, Y Qian, C Sun, J Sun, Y Liu - GeoInformatica, 2022 - Springer
The development of mobile devices and positioning technology has facilitated the rapid
growth of location-based social networks (LBSNs). Users in these networks can share geo …

Community detection algorithms for recommendation systems: techniques and metrics

C Choudhary, I Singh, M Kumar - Computing, 2023 - Springer
In the early days of social networking, a community was typically viewed as a collection of
user pro-files sharing common interests and likes. This community continued to grow by …

Attributed graph clustering with subspace stochastic block model

H Chen, Z Yu, Q Yang, J Shao - Information Sciences, 2020 - Elsevier
Inspired by the principle of homophily, most existing graph clustering approaches assume
that the formation of clusters is highly related to node attributes, and thus leverage node …

Modeling implicit communities from geo-tagged event traces using spatio-temporal point processes

A Likhyani, V Gupta, PK Srijith, DP… - Web Information Systems …, 2020 - Springer
The location check-ins of users through various location-based services such as
Foursquare, Twitter and Facebook Places, generate large traces of geo-tagged events …

Local Overlapping Spatial-aware Community Detection

L Ni, H Xu, Y Zhang, W Luo, Y Huang… - ACM Transactions on …, 2024 - dl.acm.org
Local spatial-aware community detection refers to detecting a spatial-aware community for a
given node using local information. A spatial-aware community means that nodes in the …

Modeling Time-Series and Spatial Data for Recommendations and Other Applications

V Gupta - arXiv preprint arXiv:2212.13259, 2022 - arxiv.org
With the research directions described in this thesis, we seek to address the critical
challenges in designing recommender systems that can understand the dynamics of …

Estimating urban socioeconomic inequalities through airtime top-up transactions data

E Cruz, C Vaca, M Villavicencio - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Eradicating poverty in all its forms everywhere remains as the number one Sustainable
Development Goal of the 2030 Agenda for Sustainable Development. Developing countries …