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In our study, we propose a self-supervised neural topic model (NTM) that combines the power of NTMs and regularized self-supervised learning methods to improve performance. NTMs use neural networks to learn latent topics hidden behind the…

机器学习 · 计算机科学 2025-02-27 Weiran Xu , Kengo Hirami , Koji Eguchi

Objectives: An SLR is presented focusing on text mining based automation of SLR creation. The present review identifies the objectives of the automation studies and the aspects of those steps that were automated. In so doing, the various ML…

信息检索 · 计算机科学 2023-08-01 Girish Sundaram , Daniel Berleant

Topic models are used to identify and group similar themes in a set of documents. Recent advancements in deep learning based neural topic models has received significant research interest. In this paper, an approach is proposed that further…

计算与语言 · 计算机科学 2024-10-15 Trishia Khandelwal

Data mining and knowledge discovery are essential aspects of extracting valuable insights from vast datasets. Neural topic models (NTMs) have emerged as a valuable unsupervised tool in this field. However, the predominant objective in NTMs,…

人工智能 · 计算机科学 2024-12-24 Xin Gao , Yang Lin , Ruiqing Li , Yasha Wang , Xu Chu , Xinyu Ma , Hailong Yu

Today, more than 12 million people over the age of 40 suffer from ocular diseases. Most commonly, older patients are susceptible to age related macular degeneration, an eye disease that causes blurring of the central vision due to the…

图像与视频处理 · 电气工程与系统科学 2022-05-03 Ananya Dua , Pham Hung Minh , Sajid Fahmid , Shikhar Gupta , Sophia Zheng , Vanessa Moyo , Yanran Elisa Xue

Longitudinal imaging is able to capture both static anatomical structures and dynamic changes in disease progression toward earlier and better patient-specific pathology management. However, conventional approaches rarely take advantage of…

The growing use of unstructured text in business research makes topic modeling a central tool for constructing explanatory variables from reviews, social media, and open-ended survey responses, yet existing approaches function poorly as…

计算与语言 · 计算机科学 2026-03-05 Stephan Ludwig , Peter J. Danaher , Xiaohao Yang

Topic Modeling is an approach used for automatic comprehension and classification of data in a variety of settings, and perhaps the canonical application is in uncovering thematic structure in a corpus of documents. A number of foundational…

机器学习 · 计算机科学 2012-04-13 Sanjeev Arora , Rong Ge , Ankur Moitra

Machine Learning (ML) is used to tackle various tasks, such as disease classification and prediction. The effectiveness of ML models relies heavily on having large amounts of complete data. However, healthcare data is often limited or…

It has become standard to solve NLP tasks by fine-tuning pre-trained language models (LMs), especially in low-data settings. There is minimal theoretical understanding of empirical success, e.g., why fine-tuning a model with $10^8$ or more…

机器学习 · 计算机科学 2023-06-07 Sadhika Malladi , Alexander Wettig , Dingli Yu , Danqi Chen , Sanjeev Arora

News recommender systems are hindered by the brief lifespan of articles, as they undergo rapid relevance decay. Recent studies have demonstrated the potential of content-based neural techniques in tackling this problem. However, these…

信息检索 · 计算机科学 2024-11-14 Miguel Ângelo Rebelo , João Vinagre , Ivo Pereira , Álvaro Figueira

Topic models are a popular tool for understanding text collections, but their evaluation has been a point of contention. Automated evaluation metrics such as coherence are often used, however, their validity has been questioned for neural…

计算与语言 · 计算机科学 2024-02-21 Zongxia Li , Andrew Mao , Daniel Stephens , Pranav Goel , Emily Walpole , Alden Dima , Juan Fung , Jordan Boyd-Graber

Topic models are often used to identify human-interpretable topics to help make sense of large document collections. We use knowledge distillation to combine the best attributes of probabilistic topic models and pretrained transformers. Our…

计算与语言 · 计算机科学 2020-10-07 Alexander Hoyle , Pranav Goel , Philip Resnik

To date, there are no effective treatments for most neurodegenerative diseases. However, certain foods may be associated with these diseases and bring an opportunity to prevent or delay neurodegenerative progression. Our objective is to…

人工智能 · 计算机科学 2021-10-26 Yi Nian , Jingcheng Du , Larry Bu , Fang Li , Xinyue Hu , Yuji Zhang , Cui Tao

This study conducts a thorough evaluation of text augmentation techniques across a variety of datasets and natural language processing (NLP) tasks to address the lack of reliable, generalized evidence for these methods. It examines the…

计算与语言 · 计算机科学 2024-02-15 Himmet Toprak Kesgin , Mehmet Fatih Amasyali

Combinatorial medication recommendation(CMR) is a fundamental task of healthcare, which offers opportunities for clinical physicians to provide more precise prescriptions for patients with intricate health conditions, particularly in the…

人工智能 · 计算机科学 2025-01-14 Jie Tan , Yu Rong , Kangfei Zhao , Tian Bian , Tingyang Xu , Junzhou Huang , Hong Cheng , Helen Meng

Topic models and all their variants analyse text by learning meaningful representations through word co-occurrences. As pointed out by Williamson et al. (2010), such models implicitly assume that the probability of a topic to be active and…

计算与语言 · 计算机科学 2023-01-27 Kostadin Cvejoski , Ramsés J. Sánchez , César Ojeda

Topic modeling is a fundamental task in natural language processing, allowing the discovery of latent thematic structures in text corpora. While Large Language Models (LLMs) have demonstrated promising capabilities in topic discovery, their…

计算与语言 · 计算机科学 2025-06-03 Xiaohao Yang , He Zhao , Weijie Xu , Yuanyuan Qi , Jueqing Lu , Dinh Phung , Lan Du

This research delves into Musculoskeletal Disorder (MSD) risk factors, using a blend of Natural Language Processing (NLP) and mode-based ranking. The aim is to refine understanding, classification, and prioritization for focused prevention…

计算与语言 · 计算机科学 2024-11-06 Md Abrar Jahin , Subrata Talapatra

When applying machine learning to problems in NLP, there are many choices to make about how to represent input texts. These choices can have a big effect on performance, but they are often uninteresting to researchers or practitioners who…

计算与语言 · 计算机科学 2015-03-03 Dani Yogatama , Noah A. Smith
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