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Since the emergence of the worldwide pandemic of COVID-19, relevant research has been published at a dazzling pace, which yields an abundant amount of big data in biomedical literature. Due to the high volum of relevant literature, it is…

Information Retrieval · Computer Science 2022-12-09 Yeseul Jeon , Dongjun Chung , Jina Park , Ick Hoon Jin

The relevance between a query and a document in search can be represented as matching degree between the two objects. Latent space models have been proven to be effective for the task, which are often trained with click-through data. One…

Information Retrieval · Computer Science 2016-04-22 Shuxin Wang , Xin Jiang , Hang Li , Jun Xu , Bin Wang

Electronic health records (EHRs) contain important clinical information about patients. Efficient and effective use of this information could supplement or even replace manual chart review as a means of studying and improving the quality…

Computation and Language · Computer Science 2017-06-21 Efsun Sarioglu Kayi , Kabir Yadav , James M. Chamberlain , Hyeong-Ah Choi

Topic modeling is a key component in unsupervised learning, employed to identify topics within a corpus of textual data. The rapid growth of social media generates an ever-growing volume of textual data daily, making online topic modeling…

Machine Learning · Computer Science 2025-10-23 Federica Granese , Benjamin Navet , Serena Villata , Charles Bouveyron

It has been reported that clustering-based topic models, which cluster high-quality sentence embeddings with an appropriate word selection method, can generate better topics than generative probabilistic topic models. However, these…

Computation and Language · Computer Science 2023-06-07 Leihang Zhang , Jiapeng Liu , Qiang Yan

Over the last years, topic modeling has emerged as a powerful technique for organizing and summarizing big collections of documents or searching for particular patterns in them. However, privacy concerns may arise when cross-analyzing data…

Machine Learning · Computer Science 2023-06-13 Lorena Calvo-Bartolomé , Jerónimo Arenas-García

Topic models are some of the most popular ways to represent textual data in an interpret-able manner. Recently, advances in deep generative models, specifically auto-encoding variational Bayes (AEVB), have led to the introduction of…

Information Retrieval · Computer Science 2022-04-08 Jeffrey Chiu , Rajat Mittal , Neehal Tumma , Abhishek Sharma , Finale Doshi-Velez

Climate change is threatening human health in unprecedented orders and many ways. These threats are expected to grow unless effective and evidence-based policies are developed and acted upon to minimize or eliminate them. Attaining such a…

Computation and Language · Computer Science 2022-12-02 B. Jalalzadeh Fard , S. A. Hasan , J. E. Bell

Existing question answering (QA) systems owe much of their success to large, high-quality training data. Such annotation efforts are costly, and the difficulty compounds in the cross-lingual setting. Therefore, prior cross-lingual QA work…

Computation and Language · Computer Science 2023-10-18 Bryan Li , Chris Callison-Burch

Reading of mathematical expression or equation in the document images is very challenging due to the large variability of mathematical symbols and expressions. In this paper, we pose reading of mathematical equation as a task of generation…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Ajoy Mondal , C. V. Jawahar

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

Computation and Language · Computer Science 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu

Modeling topics effectively in short texts, such as tweets and news snippets, is crucial to capturing rapidly evolving social trends. Existing topic models often struggle to accurately capture the underlying semantic patterns of short…

Computation and Language · Computer Science 2025-02-18 Shuyu Chang , Rui Wang , Peng Ren , Qi Wang , Haiping Huang

Probabilistic topic models like Latent Dirichlet Allocation (LDA) have been previously extended to the bilingual setting. A fundamental modeling assumption in several of these extensions is that the input corpora are in the form of document…

Computation and Language · Computer Science 2021-12-01 Georgios Balikas , Massih-Reza Amini , Marianne Clausel

Topic modeling is a widely used approach for analyzing and exploring large document collections. Recent research efforts have incorporated pre-trained contextualized language models, such as BERT embeddings, into topic modeling. However,…

Computation and Language · Computer Science 2025-02-18 Suman Adhya , Debarshi Kumar Sanyal

Open conversations are one of the most engaging forms of teaching. However, creating those conversations in educational software is a complex endeavor, especially if we want to address the needs of different audiences. While language models…

Computation and Language · Computer Science 2024-04-17 Donya Rooein , Dirk Hovy

While text-conditional 3D object generation and manipulation have seen rapid progress, the evaluation of coherence between generated 3D shapes and input textual descriptions lacks a clear benchmark. The reason is twofold: a) the low quality…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Andrea Amaduzzi , Giuseppe Lisanti , Samuele Salti , Luigi Di Stefano

Organizations face growing challenges in deriving meaningful insights from vast amounts of specialized text data. Conventional topic modeling techniques are typically static and unsupervised, making them ill-suited for fast-evolving fields…

Information Retrieval · Computer Science 2025-08-29 Ali Nazari , Michael Weiss

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

Neural models have recently been used in text summarization including headline generation. The model can be trained using a set of document-headline pairs. However, the model does not explicitly consider topical similarities and differences…

Computation and Language · Computer Science 2016-08-23 Lei Xu , Ziyun Wang , Ayana , Zhiyuan Liu , Maosong Sun

Traditional topic models are effective at uncovering latent themes in large text collections. However, due to their reliance on bag-of-words representations, they struggle to capture semantically abstract features. While some neural…

Computation and Language · Computer Science 2025-08-01 Carolina Zheng , Nicolas Beltran-Velez , Sweta Karlekar , Claudia Shi , Achille Nazaret , Asif Mallik , Amir Feder , David M. Blei