04:00
2026-08-25
machinebrief.com
artificial-intelligence
Semantic Compression Trees: Multi-Resolution Knowledge Retrieval via Hierarchical Semantic Residuals
Researchers introduced Semantic Compression Trees (SCT), a hierarchical index storing only semantic residuals, and found it matches dense retrieval on answer quality (0.274 vs. 0.277 F1, p = 0.37) usi…