Yun He

A Personalized Secure Publishing Mechanism of the Sensing Location Data in Crowdsensing Location-Based Services

2021 · IEEE Sensors Journal

Crowdsensing enables extensive data collection for Location-Based Services (LBS). However, there is a large amount of sensitive private information within the sensing data of the user's location. Hence, it will pose a huge threat to …

Ultrafast & Low-power Consumption 2D Floating-Gate Devices for Opto-electronic Hybrid Neural Networks

2025

Optoelectronic hybrid neural networks combine the advantages of electronical and optical neural networks, enabling next-generation neuromorphic computing systems with nanosecond processing speeds, fJ-level energy efficiency, and wafer-scale integration density. Here, we demonstrate a MoS2/h-BN/graphene based …

Popularity-Opportunity Bias in Collaborative Filtering

2021

This paper connects equal opportunity to popularity bias in implicit recommenders to introduce the problem of popularity-opportunity bias. That is, conditioned on user preferences that a user likes both items, the more popular item is …