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Guangmin Zheng

3 accepted papers

2026

SAPO: Self-Adaptive Process Optimization Makes Small Reasoners Stronger

AAAI 2026technical

Existing self-evolution methods overlook the influence of fine-grained reasoning steps, which leads to the reasoner-verifier gap. The computational inefficiency of Monte Carlo (MC) process supervision further exacerbates the difficulty in mitigating the gap. Motivated by the Error-Related Negativity

Cited by 0SourcePDFScholar
2024

Enhancing Semantics in Multimodal Chain of Thought via Soft Negative Sampling

COLING 2024main

Chain of thought (CoT) has proven useful for problems requiring complex reasoning. Many of these problems are both textual and multimodal. Given the inputs in different modalities, a model generates a rationale and then uses it to answer a question. Because of the hallucination issue, the generated…

2024

Instruction Tuning with Retrieval-based Examples Ranking for Aspect-based Sentiment Analysis

ACL 2024findings

Aspect-based sentiment analysis (ABSA) identifies sentiment information related to specific aspects and provides deeper market insights to businesses and organizations. With the emergence of large language models (LMs), recent studies have proposed using fixed examples for instruction tuning to refo…