<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Yu Lei (Visiting PhD, YSU, China) | TUMP Research Group</title><link>https://tump-lab.github.io/author/yu-lei-visiting-phd-ysu-china/</link><atom:link href="https://tump-lab.github.io/author/yu-lei-visiting-phd-ysu-china/index.xml" rel="self" type="application/rss+xml"/><description>Yu Lei (Visiting PhD, YSU, China)</description><generator>Hugo Blox Builder (https://hugoblox.com)</generator><language>en-us</language><lastBuildDate>Thu, 01 Jan 2026 00:00:00 +0000</lastBuildDate><image><url>https://tump-lab.github.io/media/logo.svg</url><title>Yu Lei (Visiting PhD, YSU, China)</title><link>https://tump-lab.github.io/author/yu-lei-visiting-phd-ysu-china/</link></image><item><title>Context-Adaptive Graph Neural Networks for Next POI Recommendation</title><link>https://tump-lab.github.io/publication/lei-2026-ecra/</link><pubDate>Thu, 01 Jan 2026 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/lei-2026-ecra/</guid><description/></item><item><title>COSTA: Contrastive Spatial and Temporal Debiasing Framework for Next POI Recommendation</title><link>https://tump-lab.github.io/publication/lei-2025-neuralnetworks/</link><pubDate>Wed, 01 Jan 2025 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/lei-2025-neuralnetworks/</guid><description/></item><item><title>An Empirical Analysis on Multi-turn Conversational Recommender Systems</title><link>https://tump-lab.github.io/publication/zhang-2024-sigir/</link><pubDate>Mon, 01 Jan 2024 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/zhang-2024-sigir/</guid><description/></item><item><title>A Multi-Channel Next POI Recommendation Framework with Multi-Granularity Check-in Signals</title><link>https://tump-lab.github.io/publication/sun-2023-tois-poi/</link><pubDate>Sun, 01 Jan 2023 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/sun-2023-tois-poi/</guid><description/></item><item><title>Point-of-Interest Recommendation for Users-Businesses with Uncertain Check-ins</title><link>https://tump-lab.github.io/publication/sun-2021-tkde/</link><pubDate>Fri, 01 Jan 2021 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/sun-2021-tkde/</guid><description/></item><item><title>An Interactive Multi-Task Learning Framework for Next POI Recommendation with Uncertain Check-ins</title><link>https://tump-lab.github.io/publication/zhang-2020-ijcai/</link><pubDate>Wed, 01 Jan 2020 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/zhang-2020-ijcai/</guid><description/></item></channel></rss>