collaborators

5 papers

cs.IR2026

SPAR: Enhancing Industrial-Scale Generative POI Recommendation via Real-World Spatial Perception

Fangye Wang, Yunjin Gu, Haowen Lin +4

Generative Point-of-Interest (POI) recommendation, autoregressively generating a target POI's semantic ID (SID), holds great promise for Location-Based Services, where a recommenda…

cs.IR2026

Guess Where You Go: Generative Next Point-of-Interest Recommendation in Amap

Penglong Zhai, Bowen Zheng, Jie Li +8

Generative retrieval enables recommender systems to retrieve items by generating compact item identifiers, but scaling it to industrial scenarios remains challenging due to redunda…

cs.IR2026

GeoGR: Enabling Spatio-Temporal Aware Industrial-scale Generative POI Recommendations

Fangye Wang, Haowen Lin, Yifang Yuan +4

Next Point-of-Interest (POI) prediction is a fundamental task in location-based services (LBS), especially critical for large-scale navigation platforms such as AMAP that serve bil…

cs.AI2025

Cognitive-Aligned Spatio-Temporal Large Language Models For Next Point-of-Interest Prediction

Penglong Zhai, Jie Li, Fanyi Di +9

The next point-of-interest (POI) recommendation task aims to predict the users' immediate next destinations based on their preferences and historical check-ins, holding significant…

cs.IR2025

A Simple Contrastive Framework Of Item Tokenization For Generative Recommendation

Penglong Zhai, Yifang Yuan, Fanyi Di +7

Generative retrieval-based recommendation has emerged as a promising paradigm aiming at directly generating the identifiers of the target candidates. However, in large-scale recomm…