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Related papers: Practical Privacy Preserving POI Recommendation

200 papers

With an increasing focus on data privacy, there have been pilot studies on recommender systems in a federated learning (FL) framework, where multiple parties collaboratively train a model without sharing their data. Most of these studies…

Information Retrieval · Computer Science 2023-05-09 Peihua Mai , Yan Pang

Privacy is crucial in many applications of machine learning. Legal, ethical and societal issues restrict the sharing of sensitive data making it difficult to learn from datasets that are partitioned between many parties. One important…

Machine Learning · Statistics 2018-09-21 Christina Heinze-Deml , Brian McWilliams , Nicolai Meinshausen

Sensors embedded in mobile smart devices can monitor users' activity with high accuracy to provide a variety of services to end-users ranging from precise geolocation, health monitoring, and handwritten word recognition. However, this…

Cryptography and Security · Computer Science 2022-05-16 Rahat Masood , Wing Yan Cheng , Dinusha Vatsalan , Deepak Mishra , Hassan Jameel Asghar , Mohamed Ali Kaafar

Credit risk modeling has permeated our everyday life. Most banks and financial companies use this technique to model their clients' trustworthiness. While machine learning is increasingly used in this field, the resulting large-scale…

Cryptography and Security · Computer Science 2020-10-07 Yuli Zheng , Zhenyu Wu , Ye Yuan , Tianlong Chen , Zhangyang Wang

Decentralized collaborative learning for Point-of-Interest (POI) recommendation has gained research interest due to its advantages in privacy preservation and efficiency, as it keeps data locally and leverages collaborative learning among…

Information Retrieval · Computer Science 2024-10-15 Ruiqi Zheng , Liang Qu , Guanhua Ye , Tong Chen , Yuhui Shi , Hongzhi Yin

Private information retrieval (PIR) is a privacy setting that allows a user to download a required message from a set of messages stored in a system of databases without revealing the index of the required message to the databases. PIR was…

Information Theory · Computer Science 2023-04-28 Sajani Vithana , Zhusheng Wang , Sennur Ulukus

The rapid expansion of Location-Based Social Networks (LBSNs) has highlighted the importance of effective next Point-of-Interest (POI) recommendations, which leverage historical check-in data to predict users' next POIs to visit.…

Information Retrieval · Computer Science 2024-05-24 Jing Long , Guanhua Ye , Tong Chen , Yang Wang , Meng Wang , Hongzhi Yin

Designing privacy-preserving machine learning algorithms has received great attention in recent years, especially in the setting when the data contains sensitive information. Differential privacy (DP) is a widely used mechanism for data…

Machine Learning · Computer Science 2025-09-11 Chunyang Liao , Deanna Needell , Hayden Schaeffer , Alexander Xue

With the recent surge of social networks like Facebook, new forms of recommendations have become possible -- personalized recommendations of ads, content, and even new social and product connections based on one's social interactions. In…

Data Structures and Algorithms · Computer Science 2015-03-17 Ashwin Machanavajjhala , Aleksandra Korolova , Atish Das Sarma

Collaborative-learning-based recommender systems, such as those employing Federated Learning (FL) and Gossip Learning (GL), allow users to train models while keeping their history of liked items on their devices. While these methods were…

Information Retrieval · Computer Science 2025-04-16 Yacine Belal , Sonia Ben Mokhtar , Mohamed Maouche , Anthony Simonet-Boulogne

Transfer learning is an effective technique to improve a target recommender system with the knowledge from a source domain. Existing research focuses on the recommendation performance of the target domain while ignores the privacy leakage…

Artificial Intelligence · Computer Science 2021-01-14 Guangneng Hu , Qiang Yang

Recommendation services are extensively adopted in several user-centered applications as a tool to alleviate the information overload problem and help users in orienteering in a vast space of possible choices. In such scenarios, data…

Machine Learning · Computer Science 2020-12-23 Vito Walter Anelli , Yashar Deldjoo , Tommaso Di Noia , Antonio Ferrara , Fedelucio Narducci

Privacy-preserving analytics is designed to protect valuable assets. A common service provision involves the input data from the client and the model on the analyst's side. The importance of the privacy preservation is fuelled by legal…

Cryptography and Security · Computer Science 2024-04-16 Martin Kodys , Zhongmin Dai , Vrizlynn L. L. Thing

Face recognition technology has been used in many fields due to its high recognition accuracy, including the face unlocking of mobile devices, community access control systems, and city surveillance. As the current high accuracy is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Jiazhen Ji , Huan Wang , Yuge Huang , Jiaxiang Wu , Xingkun Xu , Shouhong Ding , ShengChuan Zhang , Liujuan Cao , Rongrong Ji

This paper studies a novel privacy-preserving anonymization problem for pedestrian images, which preserves personal identity information (PII) for authorized models and prevents PII from being recognized by third parties. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Junwu Zhang , Mang Ye , Yao Yang

The massive growth of the Internet of Things (IoT) as a network of interconnected entities [18], brings up new challenges in terms of privacy and security requirements to the traditional software engineering domain [4]. To protect the…

Cryptography and Security · Computer Science 2019-10-10 Parvaneh Shayegh , Vijayanta Jain , Amin Rabinia , Sepideh Ghanavati

In the evolving landscape of human-centric systems, personalized privacy solutions are becoming increasingly crucial due to the dynamic nature of human interactions. Traditional static privacy models often fail to meet the diverse and…

Machine Learning · Computer Science 2024-11-14 Mojtaba Taherisadr , Salma Elmalaki

The rapid rise of IoT and Big Data has facilitated copious data driven applications to enhance our quality of life. However, the omnipresent and all-encompassing nature of the data collection can generate privacy concerns. Hence, there is a…

Machine Learning · Computer Science 2021-09-09 Mert Al , Semih Yagli , Sun-Yuan Kung

Point of interest (POI) recommendation can play a pivotal role in enriching tourists' experiences by suggesting context-dependent and preference-matching locations and activities, such as restaurants, landmarks, itineraries, and cultural…

Information Retrieval · Computer Science 2026-05-28 Alejandro Bellogín , Linus W. Dietz , Francesco Ricci , Pablo Sánchez

In the age of data-driven decision making, preserving privacy while providing personalized experiences has become paramount. Personalized Federated Learning (PFL) offers a promising framework by decentralizing the learning process, thus…

Machine Learning · Computer Science 2025-01-31 Kevin Cooper , Michael Geller