Cloud databases typically cache data fetched from cloud storage to compute nodes and conduct
affinity scheduling
to guarantee data locality -- scheduling queries accessing the same data segment to the same node. Although this strategy improves the cache hit rate and effectively reduces the prohibitive data transmis...
Jun-Yong Zhao, Jia Yuan, Lei Cao· Proceedings of the ACM on Ma...· 0 citations
Non-relational tables, such as spreadsheets and web tables, are widely used to store structured data, yet they are primarily designed for human reading rather than machine-driven analysis. These tables often contain hierarchical headers, merged cells, and implicit spatial semantics, making it difficult for large langua...
Li-Nan Zheng, Chuan Lei, Lei Cao· Proceedings of the ACM on Ma...· 0 citations
Recent studies report that LLM-based multi-agent systems (MAS) fail at rates of 41%-87%, yet to our knowledge, no benchmark to date supports systematic anomaly detection (AD) for them. Building MAS AD benchmarks is hard because they must remain fresh as LLM systems evolve: tasks may leak into training data and thus be...
Lei Ma, Dennis M. Hofmann, Hao-Wen Xu et al.· 0 citations
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