3 papers
cs.DB2026
Query-Centric Optimization of AI Workflows via Approximate Query Processing and Proxy Models
Huayi Wang, Jun Xu, Gromit Yeuk-Yin Chan
Many modern AI workflows, ranging from LLM post-training pipelines to agentic reasoning tasks, can be expressed as declarative queries whose expensive predicate is evaluated by a l…
cs.DB2026
U-HNSW: An Efficient Graph-based Solution to ANNS Under Universal Lp Metrics
Huayi Wang, Jingfan Meng, Jun Xu
Approximate nearest neighbor search under universal L_p metrics (ANNS-U-L_p) is an important and challenging research problem, as it requires answering queries under all possible p…
cs.NI2025
OddEEC: A New Sketch Technique for Error Estimating Coding
Huayi Wang, Jingfan Meng, Jun Xu
Error estimating coding (EEC) is a standard technique for estimating the number of bit errors during packet transmission over wireless networks. In this paper, we propose OddEEC, a…