2 papers
cs.DB2023
LeCo: Lightweight Compression via Learning Serial Correlations
Yihao Liu, Xinyu Zeng, Huanchen Zhang
Lightweight data compression is a key technique that allows column stores to exhibit superior performance for analytical queries. Despite a comprehensive study on dictionary-based…
cs.DB2023
An Empirical Evaluation of Columnar Storage Formats
Xinyu Zeng, Yulong Hui, Jiahong Shen +3
Columnar storage is a core component of a modern data analytics system. Although many database management systems (DBMSs) have proprietary storage formats, most provide extensive s…