2 papers
cs.IR2026
TRACE: Tourism Recommendation with Accountable Citation Evidence
Zixu Zhao, Sijin Wang, Yu Hou +6
Tourism is a high-stakes setting for conversational recommender systems (CRS): a plausible-sounding suggestion can waste real money and trip time once a traveler acts on it. Existi…
cs.DB2025
ACE: A Cardinality Estimator for Set-Valued Queries
Yufan Sheng, Xin Cao, Kaiqi Zhao +4
Cardinality estimation is a fundamental functionality in database systems. Most existing cardinality estimators focus on handling predicates over numeric or categorical data. They…