activity
20242026
collaborators

9 papers

cs.IR2026

Music Playlist Captioning at Scale with Large Language Models

Mathieu Delcluze, Léa Briand, Benjamin Chapus +2

Music streaming services such as Deezer often recommend personalized playlists to users. Playlist captioning, which involves describing these playlists in natural language, is esse…

cs.IR2026

IDProxy: Cold-Start CTR Prediction for Ads and Recommendation at Xiaohongshu with Multimodal LLMs

Yubin Zhang, Haiming Xu, Guillaume Salha-Galvan +6

Click-through rate (CTR) models in advertising and recommendation systems rely heavily on item ID embeddings, which struggle in item cold-start settings. We present IDProxy, a solu…

cs.MM2026

MusicSem: A Semantically Rich Language--Audio Dataset of Natural Music Descriptions

Rebecca Salganik, Teng Tu, Fei-Yueh Chen +8

Music representation learning is central to music information retrieval and generation. While recent advances in multimodal learning have improved alignment between text and audio…

cs.LG2025

FairExpand: Individual Fairness on Graphs with Partial Similarity Information

Rebecca Salganik, Yibin Wang, Guillaume Salha-Galvan +1

Individual fairness, which requires that similar individuals should be treated similarly by algorithmic systems, has become a central principle in fair machine learning. Individual…

cs.LG2025

Exploring Large Action Sets with Hyperspherical Embeddings using von Mises-Fisher Sampling

Walid Bendada, Guillaume Salha-Galvan, Romain Hennequin +3

This paper introduces von Mises-Fisher exploration (vMF-exp), a scalable method for exploring large action sets in reinforcement learning problems where hyperspherical embedding ve…

cs.LG2025

To Share or Not to Share: Investigating Weight Sharing in Variational Graph Autoencoders

Guillaume Salha-Galvan, Jiaying Xu

This paper investigates the understudied practice of weight sharing (WS) in variational graph autoencoders (VGAE). WS presents both benefits and drawbacks for VGAE model design and…