Author

Peiqi Yin

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Preprint Sep 2026

CAM: Question Answering on Entity-Centric Videos with Continuous Extraction and Adaptive Querying

CAM stores the entities and relations extracted from video clips in a knowledge graph that captures the high-level semantics of each entity or relation and summarizes the local subgraph of the target entity or relation once the subgraph reaches a predefined size.

Yi-Zhou Tian, Zi-Zhe Chen, Shi-Yuan Deng et al. · 0 citations

Jul 2026

LiteTopK: Exploiting the Curse of Dimensionality for a Fused Indexer-TopK Kernel in Long-Context Sparse Attention

This study observes that sparse attention scores exhibit a score concentration phenomenon, where scores tend to fall within a narrow range, and proposes LITETOPK, an efficient fused Indexer-TopK kernel, which exploits the similarity of top-k candidate sets among neighboring tokens and proposes LITEDSA, which exploits t...

Zi-Qi Yin, Jian-Yang Gao, Peiqi Yin et al. · arXiv.org · 1 citation