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Pengxiang Cheng

3 papers hereh-index 29 citations5 works total

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

author position
  • middle author2
  • last author1

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • cs.CL2
  • cs.IR1
same name
  • Pengxiang Cheng — 8 papers, h 9
  • Pengxiang Cheng — 4 papers, h 8

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

most citedEvaluating the Retrieval Robustness of Large Language Models

1 citations · 1 across the 3 of their papers we have counts for

collaborators
Showing cs.CLShow all

2 papers · 1 filter

cs.CL2025★ 1 cited

Evaluating the Retrieval Robustness of Large Language Models

Shuyang Cao, Karthik Radhakrishnan, David Rosenberg +4

Retrieval-augmented generation (RAG) generally enhances large language models' (LLMs) ability to solve knowledge-intensive tasks. But RAG could also lead to performance degradation…

cs.CL2025

Improving Instruct Models for Free: A Study on Partial Adaptation

Ozan İrsoy, Pengxiang Cheng, Jennifer L. Chen +3

Instruct models, obtained from various instruction tuning or post-training steps, are commonly deemed superior and more usable than their base counterpart. While the model gains in…

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