2 papers
cs.DB2025
A Lightweight Learned Cardinality Estimation Model
Yaoyu Zhu, Jintao Zhang, Guoliang Li +1
Cardinality estimation is a fundamental task in database management systems, aiming to predict query results accurately without executing the queries. However, existing techniques…
cs.LG2025
SAGE: A Framework of Precise Retrieval for RAG
Jintao Zhang, Guoliang Li, Jinyang Su
Retrieval-augmented generation (RAG) has demonstrated significant proficiency in conducting question-answering (QA) tasks within a specified corpus. Nonetheless, numerous failure i…