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This study introduces Bidirectional Topic Matching (BTM), a novel method for cross-corpus topic modeling that quantifies thematic overlap and divergence between corpora. BTM is a flexible framework that can incorporate various topic…

Computation and Language · Computer Science 2024-12-25 Raven Adam , Marie Lisa Kogler

Topic modeling analyzes documents to learn meaningful patterns of words. However, existing topic models fail to learn interpretable topics when working with large and heavy-tailed vocabularies. To this end, we develop the Embedded Topic…

Information Retrieval · Computer Science 2019-07-12 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei

Data analysts have long sought to turn unstructured text data into meaningful concepts. Though common, topic modeling and clustering focus on lower-level keywords and require significant interpretative work. We introduce concept induction,…

Human-Computer Interaction · Computer Science 2024-04-19 Michelle S. Lam , Janice Teoh , James Landay , Jeffrey Heer , Michael S. Bernstein

We introduce CEMTM, a context-enhanced multimodal topic model designed to infer coherent and interpretable topic structures from both short and long documents containing text and images. CEMTM builds on fine-tuned large vision language…

Computation and Language · Computer Science 2025-10-07 Amirhossein Abaskohi , Raymond Li , Chuyuan Li , Shafiq Joty , Giuseppe Carenini

Large Language Models (LLMs) are prone to critical failure modes, including \textit{intrinsic faithfulness hallucinations} (also known as confabulations), where a response deviates semantically from the provided context. Frameworks designed…

Computation and Language · Computer Science 2025-09-05 Igor Halperin

We present a novel method for hierarchical topic detection where topics are obtained by clustering documents in multiple ways. Specifically, we model document collections using a class of graphical models called hierarchical latent tree…

Computation and Language · Computer Science 2016-12-22 Peixian Chen , Nevin L. Zhang , Tengfei Liu , Leonard K. M. Poon , Zhourong Chen , Farhan Khawar

High relevance of retrieved and re-ranked items to the search query is the cornerstone of successful product search, yet measuring relevance of items to queries is one of the most challenging tasks in product information retrieval, and…

Recent advancements in large language models (LLMs) have highlighted the importance of extending context lengths for handling complex tasks. While traditional methods for training on long contexts often use filtered long documents, these…

Computation and Language · Computer Science 2025-02-12 Chaochen Gao , Xing Wu , Qi Fu , Songlin Hu

Text clustering is an important method for organising the increasing volume of digital content, aiding in the structuring and discovery of hidden patterns in uncategorised data. The effectiveness of text clustering largely depends on the…

Computation and Language · Computer Science 2024-12-06 Alina Petukhova , João P. Matos-Carvalho , Nuno Fachada

Retrieval-Augmented Large Language Models (RALMs) have made significant strides in enhancing the accuracy of generated responses.However, existing research often overlooks the data quality issues within retrieval results, often caused by…

Computation and Language · Computer Science 2025-02-07 Kexin Ma , Ruochun Jin , Xi Wang , Huan Chen , Jing Ren , Yuhua Tang

Extracting coherent and human-understandable themes from large collections of unstructured historical newspaper archives presents significant challenges due to topic evolution, Optical Character Recognition (OCR) noise, and the sheer volume…

Computation and Language · Computer Science 2025-12-15 Keerthana Murugaraj , Salima Lamsiyah , Marten During , Martin Theobald

Text clustering serves as a fundamental technique for organizing and interpreting unstructured textual data, particularly in contexts where manual annotation is prohibitively costly. With the rapid advancement of Large Language Models…

Computation and Language · Computer Science 2025-10-08 Chen Huang , Guoxiu He

While many researchers use Large Language Models (LLMs) through chat-based access, their real potential lies in leveraging LLMs via application programming interfaces (APIs). This paper conceptualizes LLMs as universal text processing…

Computation and Language · Computer Science 2026-03-23 Ivan Zupic

This position paper examines how large language models (LLMs) can support thematic analysis of unstructured clinical transcripts, a widely used but resource-intensive method for uncovering patterns in patient and provider narratives. We…

Computation and Language · Computer Science 2025-09-30 Seungjun Yi , Joakim Nguyen , Terence Lim , Andrew Well , Joseph Skrovan , Mehak Beri , YongGeon Lee , Kavita Radhakrishnan , Liu Leqi , Mia Markey , Ying Ding

One of the main computational and scientific challenges in the modern age is to extract useful information from unstructured texts. Topic models are one popular machine-learning approach which infers the latent topical structure of a…

Machine Learning · Statistics 2018-07-20 Martin Gerlach , Tiago P. Peixoto , Eduardo G. Altmann

This paper presents an algorithmic family of dynamic topic models called Aligned Neural Topic Models (ANTM), which combine novel data mining algorithms to provide a modular framework for discovering evolving topics. ANTM maintains the…

Information Retrieval · Computer Science 2023-06-06 Hamed Rahimi , Hubert Naacke , Camelia Constantin , Bernd Amann

Large Language Models (LLMs) have demonstrated impressive performance in various NLP tasks, but they still suffer from challenges such as hallucination and weak numerical reasoning. To overcome these challenges, external tools can be used…

Computation and Language · Computer Science 2023-06-26 Yuchen Zhuang , Yue Yu , Kuan Wang , Haotian Sun , Chao Zhang

Problem-solving has been a fundamental driver of human progress in numerous domains. With advancements in artificial intelligence, Large Language Models (LLMs) have emerged as powerful tools capable of tackling complex problems across…

Machine Learning · Computer Science 2025-05-07 Da Zheng , Lun Du , Junwei Su , Yuchen Tian , Yuqi Zhu , Jintian Zhang , Lanning Wei , Ningyu Zhang , Huajun Chen

Utilizing tools with Large Language Models (LLMs) is essential for grounding AI agents in real-world applications. The prevailing approach involves few-shot prompting with demonstrations or fine-tuning with expert annotations. However, mere…

Computation and Language · Computer Science 2024-10-10 Xiaohan Wang , Dian Li , Yilin Zhao , Sinbadliu , Hui Wang

Topic modeling has extensive applications in text mining and data analysis across various industrial sectors. Although the concept of granularity holds significant value for business applications by providing deeper insights, the capability…

Computation and Language · Computer Science 2026-01-21 Sae Young Moon , Myeongjun Erik Jang , Haoyan Luo , Chunyang Xiao , Antonios Georgiadis , Fran Silavong
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