Author

Wenqi Pei

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#artificial intelligence May 2026

MemForest: An Efficient Agent Memory System with Hierarchical Temporal Indexing

Results show that MemForest reduces memory-freshness latency while retaining strong answer quality, and introduces MemTree, a hierarchical temporal index that organizes memory as time-ordered trees and replaces global rewrites with localized dirty-path refresh.

Han-Jie Chen, Zi-Ning Zhang, Wenqi Pei et al. · arXiv.org · 4 citations

#artificial intelligence Preprint Sep 2026

TempCloze: Can Video-LLMs Identify the Missing Middle?

Temporal reasoning benchmarks for Video-LLMs are often mediated by language, leaving room for linguistic shortcuts from option wording, answer correlations, or language priors, so TempCloze is introduced, a video cloze benchmark for evaluating visual temporal reasoning in Video-LLMs.

Wen-Qi Pei, Henry Hengyuan Zhao, Yi-Lai Liu et al. · 0 citations