arXiv Computation and Language September 16, 2026 By Yuchen Su, Zijian Huang, Yaotian Shi, Shaoxin Zhong, Ruofan Wang, Mengze Li, Yonghua Zhu, Diana Benavides-Prado, Michael Witbrock

PunGraph: Retrieval-Enhanced Phonetic-Semantic Graph Reasoning for Pun Understanding

Read the original on arXiv Computation and Language →

PunGraph is a retrieval‑enhanced knowledge‑graph framework designed to improve pun understanding by combining phonetic and semantic information. It builds a phonetic‑semantic lexical graph using the Unisyn phonetic dictionary, IPA and G2P representations, and WordNet definitions, and uses this graph to retrieve candidate words or senses that constrain large language model reasoning. The authors also introduce WebPun, a new dataset of 5,730 annotated heterographic and homographic puns, and demonstrate that PunGraph consistently boosts the performance of small‑scale LLMs on SemEval‑2017 and WebPun, achieving results competitive with strong proprietary models.

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