Zhengjia Xu

Is the Last Check-In All You Need? Next POI Recommendation: Recall and Rerank

K1-POI is proposed, a concise recall-and-rerank framework that formulates sparse next-POI prediction as candidate generation and calibration and an efficient Spatio-Temporal Prior Reranker (ST-Reranker) that calibrates the ordering within the top-K candidates using additive, model-agnostic spatio-temporal priors comput...