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Much of human knowledge sits in large databases of unstructured text. Leveraging this knowledge requires algorithms that extract and record metadata on unstructured text documents. Assigning topics to documents will enable intelligent…

Missing values are pervasive in real-world tabular data and can significantly impair downstream analysis. Imputing them is especially challenging in text-rich tables, where dependencies are implicit, complex, and dispersed across long…

Databases · Computer Science 2026-05-12 Soroush Omidvartehrani , Davood Rafiei

Topic modeling is traditionally applied to word counts without accounting for the context in which words appear. Recent advancements in large language models (LLMs) offer contextualized word embeddings, which capture deeper meaning and…

Machine Learning · Statistics 2025-12-30 Morgane Austern , Yuanchuan Guo , Zheng Tracy Ke , Tianle Liu

In this paper, we provide the first practical algorithms with provable guarantees for the problem of inferring the topics assigned to each document in an LDA topic model. This is the primary inference problem for many applications of topic…

Machine Learning · Computer Science 2025-06-10 Adam Breuer

Despite large successes of recent language models on diverse tasks, they suffer from severe performance degeneration in low-resource settings with limited training data available. Many existing works tackle this problem by generating…

Computation and Language · Computer Science 2024-02-22 Minju Seo , Jinheon Baek , James Thorne , Sung Ju Hwang

The construction of high-quality parallel corpora for translation research has increasingly evolved from simple sentence alignment to complex, multi-layered annotation tasks. This methodological shift presents significant challenges for…

Computation and Language · Computer Science 2026-02-12 Baorong Huang , Ali Asiri

Current research has explored how Generative AI can support the brainstorming process for content creators, but a gap remains in exploring support-tools for the pre-writing process. Specifically, our research is focused on supporting users…

Human-Computer Interaction · Computer Science 2024-06-19 Grace Li , Tao Long , Lydia B. Chilton

The recent advancement of large language models has spurred a growing trend of integrating pre-trained language model (PLM) embeddings into topic models, fundamentally reshaping how topics capture semantic structure. Classical models such…

Computation and Language · Computer Science 2026-03-12 Hanlin Xiao , Mauricio A. Álvarez , Rainer Breitling

The increasing size and complexity of pre-trained language models have demonstrated superior performance in many applications, but they usually require large training datasets to be adequately trained. Insufficient training sets could…

Computation and Language · Computer Science 2025-02-03 Yaping Chai , Haoran Xie , Joe S. Qin

In this paper, we introduce a method for fine-tuning Large Language Models (LLMs), inspired by Multi-Task learning in a federated manner. Our approach leverages the structure of each client's model and enables a learning scheme that…

Machine Learning · Computer Science 2024-10-22 Ahmed Elbakary , Chaouki Ben Issaid , Tamer ElBatt , Karim Seddik , Mehdi Bennis

Thematic analysis (TA) is a widely used qualitative research method for identifying and interpreting patterns within textual data, such as qualitative interviews. Recent research has shown that it is possible to satisfactorily perform TA…

Human-Computer Interaction · Computer Science 2025-04-22 Stefano De Paoli , Alex Fawzi

Large models have demonstrated significant progress across various domains, particularly in tasks related to text generation. In the domain of Table to Text, many Large Language Model (LLM)-based methods currently resort to modifying…

Computation and Language · Computer Science 2024-04-30 Junyi Bian , Xiaolei Qin , Wuhe Zou , Mengzuo Huang , Congyi Luo , Ke Zhang , Weidong Zhang

Topic modeling is admittedly a convenient way to monitor markets trend. Conventionally, Latent Dirichlet Allocation, LDA, is considered a must-do model to gain this type of information. By given the merit of deducing keyword with token…

Computation and Language · Computer Science 2023-09-19 Ching-Hsun Tseng , Shin-Jye Lee , Po-Wei Cheng , Chien Lee , Chih-Chieh Hung

The performance of large language models (LLMs) is significantly affected by the quality and composition of their pre-training data, which is inherently diverse, spanning various languages, sources, and topics. Effectively integrating these…

Computation and Language · Computer Science 2025-08-11 Jiahui Peng , Xinlin Zhuang , Jiantao Qiu , Ren Ma , Jing Yu , He Zhu , Conghui He

Using the 6,638 case descriptions of societal impact submitted for evaluation in the Research Excellence Framework (REF 2014), we replicate the topic model (Latent Dirichlet Allocation or LDA) made in this context and compare the results…

Computation and Language · Computer Science 2018-06-05 Tobias Hecking , Loet Leydesdorff

This paper presents LITE, an LLM-based evaluation method designed for efficient and flexible assessment of taxonomy quality. To address challenges in large-scale taxonomy evaluation, such as efficiency, fairness, and consistency, LITE…

Computation and Language · Computer Science 2025-04-03 Lin Zhang , Zhouhong Gu , Suhang Zheng , Tao Wang , Tianyu Li , Hongwei Feng , Yanghua Xiao

Topic modeling is a research field finding increasing applications: historically from document retrieving, to sentiment analysis and text summarization. Large Language Models (LLM) are currently a major trend in text processing, but few…

Artificial Intelligence · Computer Science 2026-02-03 Fabrice Boissier , Monica Sen , Irina Rychkova

Large language models (LLMs) are revolutionizing conversational recommender systems by adeptly indexing item content, understanding complex conversational contexts, and generating relevant item titles. However, controlling the distribution…

Information Retrieval · Computer Science 2024-05-21 Zhankui He , Zhouhang Xie , Harald Steck , Dawen Liang , Rahul Jha , Nathan Kallus , Julian McAuley

In this paper, we present an effective data augmentation framework leveraging the Large Language Model (LLM) and Diffusion Model (DM) to tackle the challenges inherent in data-scarce scenarios. Recently, DMs have opened up the possibility…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Kyuheon Jung , Yongdeuk Seo , Seongwoo Cho , Jaeyoung Kim , Hyun-seok Min , Sungchul Choi

Large language models (LLMs) offer new opportunities for scalable analysis of online discourse. Yet their use in multilingual social science research remains constrained by model size, cost and linguistic bias. We develop a lightweight,…

Computation and Language · Computer Science 2025-12-30 Andrea Nasuto , Stefano Maria Iacus , Francisco Rowe , Devika Jain