Hierarchical Pooling Achieves Lossless Compression for ColBERT
Researchers introduced hierarchical pooling with lightweight fine-tuning to compress late-interaction retrieval models like ColBERT. This approach achieves up to 5x storage reduction while retaining 99.4% of the retrieval quality, offering a near-lossless compression method.
2026-07-07 ~ 2026-07-08 · 6 related posts
- Hierarchical Pooling Achieves 5x Lossless Retrieval Compression — antoine_chaffin · 2026-07-07
- Hierarchical Pooling: Compression for Late-Interaction Retrieval Models — antoine_chaffin · 2026-07-07
- Lossless 5x Compression: Late Interaction Retrieval Retention Hits 99.4% — antoine_chaffin · 2026-07-07
- LightOn Achieves 2x Lossless Compression for ColBERT — antoine_chaffin · 2026-07-07
- Hierarchical Pooling Shrinks Search Index 5x, Retains 90% Quality — antoine_chaffin · 2026-07-07
- Lightweight Pooling Fine-Tuning Achieves Lossless Compression for ColBERT — _reachsumit · 2026-07-08