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Ke Chen

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#artificial intelligence Preprint Oct 2026

QCATS: Query Context-Aware Transformer Slicing for Efficient Predictive Query Processing

The proposed QCATS is a query context-aware transformer slicing framework that enables efficient sparse inference inside database systems and achieves up to 4.42x latency reduction while preserving prediction accuracy comparable to dense baselines.

Yue-Ying Li, Zhong-Le Xie, Ke Chen et al. · 0 citations
Open access Aug 2026

Guixu: Valuation-Driven Data Discovery for Autonomous AI Agents with On-Chain Attestation

Autonomous agents increasingly rely on external data to complete downstream tasks such as model training and decision support. However, existing data discovery systems remain largely retrieval-oriented: they surface candidate datasets from heterogeneous sources, but provide limited support for estimating task-specific...

Yifan Wu, Yuchen Peng, Jia-Qi Chai et al. · 0 citations
Open access Aug 2026

ScaleSense: Cost-Intelligent Scaling Framework via Learned Resource Estimation in Alibaba AnalyticDB

This work proposes ScaleSense, a proactive, query-level resource scaling framework that addresses the critical performance-cost trade-off while maintaining low-overhead inference latency, and confirms its practical performance in production deployments.

Yifan Wu, Yuhan Li, Zhenhua Wang et al. · 0 citations

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