<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Hongxu Ma | TUMP Research Group</title><link>https://tump-lab.github.io/author/hongxu-ma/</link><atom:link href="https://tump-lab.github.io/author/hongxu-ma/index.xml" rel="self" type="application/rss+xml"/><description>Hongxu Ma</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>Hongxu Ma</title><link>https://tump-lab.github.io/author/hongxu-ma/</link></image><item><title>MaskPoison: Intent-Guided Poisoning Attacks on Sequential Recommendation via Masked Discrete Diffusion</title><link>https://tump-lab.github.io/publication/zhou-2026-recsys/</link><pubDate>Thu, 01 Jan 2026 00:00:00 +0000</pubDate><guid>https://tump-lab.github.io/publication/zhou-2026-recsys/</guid><description/></item></channel></rss>