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researcher

Ke Xu

8 papers hereh-index 571 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author7

Across the 7 of 8 papers where every author was matched, so the position is known.

fields
  • cs.CL4
  • cs.LG2
  • cs.AI1
  • cs.RO1
same name
  • Ke Xu — 50 papers, h 43
  • Ke Xu — 20 papers, h 9
  • Ke Xu — 20 papers, h 26
  • Ke Xu — 14 papers, h 20
  • Ke Xu — 14 papers, h 7
  • Ke Xu — 13 papers, h 6

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedReasoning about the Unseen for Efficient Outdoor Object Navigation

2 citations · 2 across the 7 of their papers we have counts for

collaborators
Showing cs.CLShow all

4 papers · 1 filter

cs.CL2026

DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression

DeepSeek-AI, :, Anyi Xu +585

The widespread adoption of long-horizon agents has made model workloads increasingly input-heavy. Although prior work has substantially reduced the cost of long-context computation…

cs.CL2026

Evaluating Chinese Ambiguity Understanding in Large Language Models

Junwen Mo, Yuanzhi Lu, Yifang Xue +2

Linguistic ambiguity is critical to the robustness of Large Language Models (LLMs), yet existing research focuses mostly on English, with limited attention devoted to Chinese. Exis…

cs.CL2026

Topology-Enhanced Alignment for Large Language Models: Trajectory Topology Loss and Topological Preference Optimization

Yurui Pan, Ke Xu, Bo Peng

Alignment of large language models (LLMs) via SFT and RLHF/DPO typically ignores the global geometry of the representation space, relying instead on local token likelihoods or scal…

cs.CL2025

To Think or Not to Think: Exploring the Unthinking Vulnerability in Large Reasoning Models

Zihao Zhu, Hongbao Zhang, Ruotong Wang +3

Large Reasoning Models (LRMs) are designed to solve complex tasks by generating explicit reasoning traces before producing final answers. However, we reveal a critical vulnerabilit…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.