Author

Joydhriti Choudhury

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Jul 2026

SALT: Salience-Aware Lexical Trie for Long-Context Compression

SALT, a model-agnostic extractive framework that organizes per-sentence keywords into a trie ordered by sentence frequency (SF), a lightweight, reusable proxy for document thematic structure, reduces the prefill computation and memory cost of long-context prompts while remaining composable with KV-cache methods that target decoding-time latency and memory.

Oteo Mamo, Hyunji Yi, Joydhriti Choudhury et al. · arXiv.org · 0 citations