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Xikai Liu

3 accepted papers

2025

Understanding the RoPE Extensions of Long-Context LLMs: An Attention Perspective

COLING 2025main

Enabling LLMs to handle lengthy context is currently a research hotspot. Most LLMs are built upon rotary position embedding (RoPE), a popular position encoding method. Therefore, a prominent path is to extrapolate the RoPE trained on comparably short texts to far longer texts. A heavy bunch of effor…

Cited by 7SourcePDFScholar
2025

ZigZagKV: Dynamic KV Cache Compression for Long-context Modeling based on Layer Uncertainty

COLING 2025main

Large Language models (LLMs) have become a research hotspot. To accelerate the inference of LLMs, storing computed caches in memory has become the standard technique. However, as the inference length increases, growing KV caches might lead to out-of-memory issues. Many existing methods address this…

Cited by 0SourcePDFScholar
2023

2INER: Instructive and In-Context Learning on Few-Shot Named Entity Recognition

EMNLP 2023long findings

Prompt-based learning has emerged as a powerful technique in natural language processing (NLP) due to its ability to leverage pre-training knowledge for downstream few-shot tasks. In this paper, we propose 2INER, a novel text-to-text framework for Few-Shot Named Entity Recognition (NER) tasks. Our a…

Cited by 0SourceScholar