Creating Targeted, Interpretable Topic Models with LLM-Generated Text Augmentation

• URL: http://arxiv.org/abs/2504.17445v1
• Date: Thu, 24 Apr 2025 11:14:13 GMT
• Title: Creating Targeted, Interpretable Topic Models with LLM-Generated Text Augmentation
• Authors: Anna Lieb, Maneesh Arora, Eni Mustafaraj,
• Abstract summary: We use topic modeling and clustering to identify latent patterns in unstructured text data in fields such as political science and sociology.<n>We find that topic modeling using GPT-4 augmentations creates highly interpretable categories that can be used to investigate domain-specific research questions with minimal human guidance.
• Score: 0.5120567378386615
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Unsupervised machine learning techniques, such as topic modeling and clustering, are often used to identify latent patterns in unstructured text data in fields such as political science and sociology. These methods overcome common concerns about reproducibility and costliness involved in the labor-intensive process of human qualitative analysis. However, two major limitations of topic models are their interpretability and their practicality for answering targeted, domain-specific social science research questions. In this work, we investigate opportunities for using LLM-generated text augmentation to improve the usefulness of topic modeling output. We use a political science case study to evaluate our results in a domain-specific application, and find that topic modeling using GPT-4 augmentations creates highly interpretable categories that can be used to investigate domain-specific research questions with minimal human guidance.

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