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Related papers: Revisiting Driver Anonymity in ORide

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Carpooling, or sharing a ride with other passengers, holds immense potential for urban transportation. Ridesharing platforms enable such sharing of rides using real-time data. Finding ride matches in real-time at urban scale is a difficult…

Data Structures and Algorithms · Computer Science 2020-02-20 Chinmoy Dutta

As drones increasingly deliver packages in neighborhoods, concerns about collisions arise. One solution is to share flight paths within a specific zip code, but this compromises business privacy by revealing delivery routes. For example, it…

Emerging Technologies · Computer Science 2025-07-22 Allan Luedeman , Nicholas Baum , Andrew Quijano , Kemal Akkaya

A critical requirement for modern-day Intelligent Transportation Systems (ITS) is the ability to collect geo-referenced data from connected vehicles and mobile devices in a safe, secure and anonymous way. The Nexagon protocol, which builds…

Cryptography and Security · Computer Science 2025-06-13 Okemawo Obadofin , Joao Barros

An increasing amount of mobility data is being collected every day by different means, e.g., by mobile phone operators. This data is sometimes published after the application of simple anonymization techniques, which might lead to severe…

Cryptography and Security · Computer Science 2016-11-17 Vincent Primault , Sonia Ben Mokhtar , Lionel Brunie

Advances in technology have provided ways to monitor and measure driving behavior. Recently, this technology has been applied to usage-based automotive insurance policies that offer reduced insurance premiums to policy holders who opt-in to…

Cryptography and Security · Computer Science 2017-10-20 Xianyi Gao , Bernhard Firner , Shridatt Sugrim , Victor Kaiser-Pendergrast , Yulong Yang , Janne Lindqvist

Distribution grid agents are obliged to exchange and disclose their states explicitly to neighboring regions to enable distributed optimal power flow dispatch. However, the states contain sensitive information of individual agents, such as…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Tong Wu , Changhong Zhao , Ying-Jun Angela Zhang

We consider vertical logistic regression (VLR) trained with mini-batch gradient descent -- a setting which has attracted growing interest among industries and proven to be useful in a wide range of applications including finance and medical…

Cryptography and Security · Computer Science 2022-07-20 Yuzheng Hu , Tianle Cai , Jinyong Shan , Shange Tang , Chaochao Cai , Ethan Song , Bo Li , Dawn Song

The Remote ID (RID) regulation recently introduced by several aviation authorities worldwide (including the US and EU) forces commercial drones to regularly (max. every second) broadcast plaintext messages on the wireless channel, providing…

Cryptography and Security · Computer Science 2025-11-11 Alessandro Brighente , Mauro Conti , Matthijs Schotsman , Savio Sciancalepore

Radio Frequency Identification (RFID) is a technology aimed at eficiently identifying and tracking goods and assets. Such identification may be performed without requiring line-of-sight alignment or physical contact between the RFID tag and…

Cryptography and Security · Computer Science 2016-11-25 Rolando Trujillo-Rasua

A ride sharing problem is considered where we are given a graph, whose edges are equipped with a travel cost, plus a set of objects, each associated with a transportation request given by a pair of origin and destination nodes. A vehicle…

Discrete Mathematics · Computer Science 2016-06-10 Angelo Fanelli , Gianluigi Greco

Smart mobility is a promising approach to meet urban transport needs in an environmentally and and user-friendly way. Smart mobility computes itineraries with multiple means of transportation, e.g., trams, rental bikes or electric scooters,…

Cryptography and Security · Computer Science 2023-08-22 Anika Hannemann , Erik Buchmann

The interaction data used by recommender systems (RSs) inevitably include noises resulting from mistaken or exploratory clicks, especially under implicit feedbacks. Without proper denoising, RS models cannot effectively capture users'…

Information Retrieval · Computer Science 2022-04-20 Yanchao Tan , Carl Yang Member , Xiangyu Wei , Ziyue Wu , Xiaolin Zheng

To support location-based services, vehicles must share their location with a server to receive relevant data, compromising their (location) privacy. To alleviate this privacy compromise, the vehicle's location can be obfuscated by adding…

Cryptography and Security · Computer Science 2020-01-22 Tobias Meuser , Oluwasegun Taiwo Ojo , Daniel Bischoff , Antonio Fernández Anta , Ioannis Stavrakakis , Ralf Steinmetz

Origin-Destination (OD) matrices are a core component of research on users' mobility and summarize how individuals move between geographical regions. These regions should be small enough to be representative of user mobility, without…

Information Retrieval · Computer Science 2025-09-17 Pietro Armenante , Kai Huang , Nikhil Jha , Luca Vassio

Data-driven methodologies offer many exciting upsides, but they also introduce new challenges, particularly in the realm of user privacy. Specifically, the way data is collected can pose privacy risks to end users. In many routing services,…

Cryptography and Security · Computer Science 2022-03-16 Matthew Tsao , Kaidi Yang , Karthik Gopalakrishnan , Marco Pavone

We consider traffic-update mobile applications that let users learn traffic conditions based on reports from other users. These applications are becoming increasingly popular (e.g., Waze reported 30 million users in 2013) since they…

Cryptography and Security · Computer Science 2013-09-16 Joshua Brown , Olga Ohrimenko , Roberto Tamassia

The growing popular awareness of personal privacy raises the following quandary: what is the new paradigm for collecting and protecting the data produced by ever-increasing sensor devices. Most previous studies on co-design of data…

Cryptography and Security · Computer Science 2024-06-03 Zuyan Wang , Jun Tao , Dika Zou

Today, vast amounts of location data are collected by various service providers. These location data owners have a good idea of where their users are most of the time. Other businesses also want to use this information for location…

Cryptography and Security · Computer Science 2019-05-01 Emre Yilmaz , Hakan Ferhatosmanoglu , Erman Ayday , Remzi Can Aksoy

This paper investigates the semi-discrete optimal transport (OT) problem with entropic regularization. We characterize the solution using a governing, well-posed ordinary differential equation (ODE). This naturally yields an algorithm to…

Numerical Analysis · Mathematics 2025-04-07 Luca Nenna , Daniyar Omarov , Brendan Pass

As more and more data is transmitted in the configurable optical layer, whereby all optical switches forward packets without electronic layers involved, we envision privacy as the intrinsic property of future optical networks. In this…

Cryptography and Security · Computer Science 2016-04-19 Anna Engelmann , Admela Jukan