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One of the challenges for text analysis in medical domains is analyzing large-scale medical documents. As a consequence, finding relevant documents has become more difficult. One of the popular methods to retrieve information based on…

Information Retrieval · Computer Science 2019-11-26 Amir Karami , Aryya Gangopadhyay , Bin Zhou , Hadi Kharrazi

Most of the information on the Internet is represented in the form of microtexts, which are short text snippets such as news headlines or tweets. These sources of information are abundant, and mining these data could uncover meaningful…

Computation and Language · Computer Science 2019-09-17 Trung Trinh , Tho Quan , Trung Mai

Despite the remarkable success of Large Language Models (LLMs) in text understanding and generation, their potential for text clustering tasks remains underexplored. We observed that powerful closed-source LLMs provide good quality…

In recent years, the dominant paradigm for text spotting is to combine the tasks of text detection and recognition into a single end-to-end framework. Under this paradigm, both tasks are accomplished by operating over a shared global…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Roi Ronen , Shahar Tsiper , Oron Anschel , Inbal Lavi , Amir Markovitz , R. Manmatha

Short text clustering has gained significant attention in the data mining community. However, the limited valuable information contained in short texts often leads to low-discriminative representations, increasing the difficulty of…

Machine Learning · Computer Science 2026-03-16 Zhihao Yao

When humans read or listen, they make implicit commonsense inferences that frame their understanding of what happened and why. As a step toward AI systems that can build similar mental models, we introduce GLUCOSE, a large-scale dataset of…

Computation and Language · Computer Science 2020-11-02 Nasrin Mostafazadeh , Aditya Kalyanpur , Lori Moon , David Buchanan , Lauren Berkowitz , Or Biran , Jennifer Chu-Carroll

As the emergence and the thriving development of social networks, a huge number of short texts are accumulated and need to be processed. Inferring latent topics of collected short texts is useful for understanding its hidden structure and…

Machine Learning · Statistics 2018-04-04 Zhenghang Cui , Issei Sato , Masashi Sugiyama

In this paper, we study the problem of Generalized Category Discovery (GCD), which aims to cluster unlabeled data from both known and unknown categories using the knowledge of labeled data from known categories. Current GCD methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Clustering token-level contextualized word representations produces output that shares many similarities with topic models for English text collections. Unlike clusterings of vocabulary-level word embeddings, the resulting models more…

Computation and Language · Computer Science 2020-10-27 Laure Thompson , David Mimno

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

Mixtures of Unigrams are one of the simplest and most efficient tools for clustering textual data, as they assume that documents related to the same topic have similar distributions of terms, naturally described by Multinomials. When the…

Machine Learning · Statistics 2020-12-10 Cinzia Viroli , Laura Anderlucci

Though word embeddings and topics are complementary representations, several past works have only used pre-trained word embeddings in (neural) topic modeling to address data sparsity problem in short text or small collection of documents.…

Computation and Language · Computer Science 2019-09-18 Pankaj Gupta , Yatin Chaudhary , Hinrich Schütze

Word cloud use is a popular text visualization technique that scales font sizes based on word frequencies within a defined spatial layout. However, traditional word clouds disregard semantic relationships between words, arranging them…

Computational Geometry · Computer Science 2025-06-24 Naoya Oda , Yosuke Onoue

Long story generation (LSG) is one of the coveted goals in natural language processing. Different from most text generation tasks, LSG requires to output a long story of rich content based on a much shorter text input, and often suffers…

Machine Learning · Computer Science 2021-12-15 Yazheng Yang , Boyuan Pan , Deng Cai , Huan Sun

Text-rich graphs, prevalent in data mining contexts like e-commerce and academic graphs, consist of nodes with textual features linked by various relations. Traditional graph machine learning models, such as Graph Neural Networks (GNNs),…

Social and Information Networks · Computer Science 2024-06-19 Shichang Zhang , Da Zheng , Jiani Zhang , Qi Zhu , Xiang song , Soji Adeshina , Christos Faloutsos , George Karypis , Yizhou Sun

We study supervised learning problems using clustering constraints to impose structure on either features or samples, seeking to help both prediction and interpretation. The problem of clustering features arises naturally in text…

Machine Learning · Computer Science 2016-09-20 Vincent Roulet , Fajwel Fogel , Alexandre d'Aspremont , Francis Bach

Studies show that refining real-world categories into semantic subcategories contributes to better image modeling and classification. Previous image sub-categorization work relying on labeled images and WordNet's hierarchy is not only…

Multimedia · Computer Science 2017-03-17 Yazhou Yao , Jian Zhang , Fumin Shen , Xiansheng Hua , Wankou Yang , Zhenmin Tang

Medical image segmentation is a critical step in computer-aided diagnosis, and convolutional neural networks are popular segmentation networks nowadays. However, the inherent local operation characteristics make it difficult to focus on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Fenghe Tang , Jianrui Ding , Lingtao Wang , Min Xian , Chunping Ning

When searching for information, a human reader first glances over a document, spots relevant sections and then focuses on a few sentences for resolving her intention. However, the high variance of document structure complicates to identify…

Computation and Language · Computer Science 2019-02-14 Sebastian Arnold , Rudolf Schneider , Philippe Cudré-Mauroux , Felix A. Gers , Alexander Löser

Conventional topic models are ineffective for topic extraction from microblog messages, because the data sparseness exhibited in short messages lacking structure and contexts results in poor message-level word co-occurrence patterns. To…

Computation and Language · Computer Science 2018-09-12 Jing Li , Yan Song , Zhongyu Wei , Kam-Fai Wong