DeXOR: Enabling xor in Decimal Space for Streaming Lossless Compression of Floating-point Data
Summary: DeXOR: streaming lossless compression for floating-point data via decimal-space xor, exploiting longest common prefixes/suffixes rather than binary patterns. Adds error-tolerant truncation, bit management, and exponent exception handling, yielding higher ratios and faster decompression, robust on high-precision/non-smooth streams. (summarized by gpt-5.4-mini on Apr 12 2026)
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Authors
- 1. Chuanyi Lv (Hangzhou High-Tech Zone (Binjiang) Institute of Blockchain and Data Security; Zhejiang University)
- 2. Huan Li (Hangzhou High-Tech Zone (Binjiang) Institute of Blockchain and Data Security; Zhejiang University)
- 3. Dingyu Yang (Hangzhou High-Tech Zone (Binjiang) Institute of Blockchain and Data Security; Zhejiang University)
- 4. Zhongle Xie (Hangzhou High-Tech Zone (Binjiang) Institute of Blockchain and Data Security; Zhejiang University)
- 5. Lu Chen (Zhejiang University)
- 6. Christian S. Jensen (Aalborg University)
BibTeX Citation
@article{lv_vldb26,
title = {{DeXOR: Enabling xor in Decimal Space for Streaming Lossless Compression of Floating-point Data}},
author = {Lv, Chuanyi and Li, Huan and Yang, Dingyu and Xie, Zhongle and Chen, Lu and Jensen, Christian S.},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {5},
pages = {849--861},
doi = {10.14778/3796195.3796200},
url = {https://doi.org/10.14778/3796195.3796200},
year = {2026}
}
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