Pre-training Summarization Models of Structured Datasets for Cardinality Estimation
Summary: Pre-trained models convert structured datasets into compact summaries for cardinality estimation, eliminating per-dataset training and speeding up summary construction up to 100x. Uses multiple summaries per dataset and learned summaries for hard columnsets; shows shared frequency and correlation patterns learned from a diverse corpus with incremental updates. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Yao Lu
- 2. Srikanth Kandula
- 3. Arnd Christian König
- 4. Surajit Chaudhuri
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