LLM-MemCluster: Empowering Large Language Models with Dynamic Memory for Text Clustering
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917388157452288 |
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| author | Zhu, Yuanjie Yang, Liangwei Xu, Ke Zhang, Weizhi Song, Zihe Wang, Jindong Yu, Philip S. |
| author_facet | Zhu, Yuanjie Yang, Liangwei Xu, Ke Zhang, Weizhi Song, Zihe Wang, Jindong Yu, Philip S. |
| contents | Large Language Models (LLMs) are reshaping unsupervised learning by offering an unprecedented ability to perform text clustering based on their deep semantic understanding. However, their direct application is fundamentally limited by a lack of stateful memory for iterative refinement and the difficulty of managing cluster granularity. As a result, existing methods often rely on complex pipelines with external modules, sacrificing a truly end-to-end approach. We introduce LLM-MemCluster, a novel framework that reconceptualizes clustering as a fully LLM-native task. It leverages a Dynamic Memory to instill state awareness and a Dual-Prompt Strategy to enable the model to reason about and determine the number of clusters. Evaluated on several benchmark datasets, our tuning-free framework significantly and consistently outperforms strong baselines. LLM-MemCluster presents an effective, interpretable, and truly end-to-end paradigm for LLM-based text clustering. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_15424 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | LLM-MemCluster: Empowering Large Language Models with Dynamic Memory for Text Clustering Zhu, Yuanjie Yang, Liangwei Xu, Ke Zhang, Weizhi Song, Zihe Wang, Jindong Yu, Philip S. Computation and Language Large Language Models (LLMs) are reshaping unsupervised learning by offering an unprecedented ability to perform text clustering based on their deep semantic understanding. However, their direct application is fundamentally limited by a lack of stateful memory for iterative refinement and the difficulty of managing cluster granularity. As a result, existing methods often rely on complex pipelines with external modules, sacrificing a truly end-to-end approach. We introduce LLM-MemCluster, a novel framework that reconceptualizes clustering as a fully LLM-native task. It leverages a Dynamic Memory to instill state awareness and a Dual-Prompt Strategy to enable the model to reason about and determine the number of clusters. Evaluated on several benchmark datasets, our tuning-free framework significantly and consistently outperforms strong baselines. LLM-MemCluster presents an effective, interpretable, and truly end-to-end paradigm for LLM-based text clustering. |
| title | LLM-MemCluster: Empowering Large Language Models with Dynamic Memory for Text Clustering |
| topic | Computation and Language |
| url | https://arxiv.org/abs/2511.15424 |