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Topic modeling is one of the most powerful techniques in text mining for data mining, latent data discovery, and finding relationships among data, text documents. Researchers have published many articles in the field of topic modeling and…

Information Retrieval · Computer Science 2018-12-07 Hamed Jelodar , Yongli Wang , Chi Yuan , Xia Feng , Xiahui Jiang , Yanchao Li , Liang Zhao

Semantic parsing provides a way to extract the semantic structure of a text that could be understood by machines. It is utilized in various NLP applications that require text comprehension such as summarization and question answering.…

Computation and Language · Computer Science 2021-10-05 Necva Bölücü , Burcu Can

Analyzing journals and articles abstract text or documents using topic modelling and text clustering has become a modern solution for the increasing number of text documents. Topic modelling and text clustering are both intensely involved…

Information Retrieval · Computer Science 2025-08-25 Shadikur Rahman , Umme Ayman Koana , Aras M. Ismael , Karmand Hussein Abdalla

Principal component analysis (PCA) is a widely used dimension reduction technique in machine learning and multivariate statistics. To improve the interpretability of PCA, various approaches to obtain sparse principal direction loadings have…

Data Structures and Algorithms · Computer Science 2021-06-07 Agniva Chowdhury , Petros Drineas , David P. Woodruff , Samson Zhou

As the volume of unstructured text continues to grow across domains, there is an urgent need for scalable methods that enable interpretable organization, summarization, and retrieval of information. This work presents a unified framework…

Information Retrieval · Computer Science 2026-01-14 Heba Shakeel , Tanvir Ahmad , Tanya Liyaqat , Chandni Saxena

It can be challenging to perform an integrative statistical analysis of multi-view high-dimensional data acquired from different experiments on each subject who participated in a joint study. Canonical Correlation Analysis (CCA) is a…

Methodology · Statistics 2023-10-31 Siddhesh Kulkarni , Subhadip Pal , Jeremy T. Gaskins

Tweet clustering for event detection is a powerful modern method to automate the real-time detection of events. In this work we present a new tweet clustering approach, using a probabilistic approach to incorporate temporal information. By…

Social and Information Networks · Computer Science 2018-11-14 Peter Mathews , Caitlin Gray , Lewis Mitchell , Giang T. Nguyen , Nigel G. Bean

Artificial intelligence (AI) promises to revolutionize the design, optimization and management of next-generation communication systems. In this article, we explore the integration of large AI models (LAMs) into semantic communications…

Artificial Intelligence · Computer Science 2025-03-31 Wanli Ni , Zhijin Qin , Haofeng Sun , Xiaoming Tao , Zhu Han

With the evolution of the cloud and customer centric culture, we inherently accumulate huge repositories of textual reviews, feedback, and support data.This has driven enterprises to seek and research engagement patterns, user network…

Machine Learning · Computer Science 2020-07-23 Xin Deng , Ross Smith , Genevieve Quintin

Probabilistic Latent Semantic Analysis is a novel statistical technique for the analysis of two-mode and co-occurrence data, which has applications in information retrieval and filtering, natural language processing, machine learning from…

Machine Learning · Computer Science 2013-01-30 Thomas Hofmann

Epistemic Network Analysis (ENA) is a method for investigating the relational structure of concepts in text by representing co-occurring concepts as networks. Traditional ENA, however, relies heavily on manual expert coding, which limits…

Computation and Language · Computer Science 2026-03-05 Owen H. T. Lu , Tiffany T. Y. Hsu

Sparse Principal Component Analysis (sPCA) is a cardinal technique for obtaining combinations of features, or principal components (PCs), that explain the variance of high-dimensional datasets in an interpretable manner. This involves…

Optimization and Control · Mathematics 2025-12-02 Ryan Cory-Wright , Jean Pauphilet

Sentence embedding models aim to provide general purpose embeddings for sentences. Most of the models studied in this paper claim to perform well on STS tasks - but they do not report on their suitability for clustering. This paper looks at…

Computation and Language · Computer Science 2021-04-19 Kees Varekamp

Semantic segmentation is a vital problem in computer vision. Recently, a common solution to semantic segmentation is the end-to-end convolution neural network, which is much more accurate than traditional methods.Recently, the decoders…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Hao Guo , Hongbiao Si , Guilin Jiang , Wei Zhang , Zhiyan Liu , Xuanyi Zhu , Xulong Zhang , Yang Liu

In this paper, we present a novel cross-consistency based semi-supervised approach for semantic segmentation. Consistency training has proven to be a powerful semi-supervised learning framework for leveraging unlabeled data under the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yassine Ouali , Céline Hudelot , Myriam Tami

To date, there have been massive Semi-Structured Documents (SSDs) during the evolution of the Internet. These SSDs contain both unstructured features (e.g., plain text) and metadata (e.g., tags). Most previous works focused on modeling the…

Computation and Language · Computer Science 2015-07-31 Shuangyin Li , Jiefei Li , Guan Huang , Ruiyang Tan , Rong Pan

Humans can learn to solve new tasks by inducing high-level strategies from example solutions to similar problems and then adapting these strategies to solve unseen problems. Can we use large language models to induce such high-level…

Machine Learning · Computer Science 2025-08-27 Weijia Xu , Nebojsa Jojic , Nicolas Le Roux

Principal component analysis (PCA) and related techniques have been successfully employed in natural language processing. Text mining applications in the age of the online social media (OSM) face new challenges due to properties specific to…

Many real systems have been modelled in terms of network concepts, and written texts are a particular example of information networks. In recent years, the use of network methods to analyze language has allowed the discovery of several…

Computation and Language · Computer Science 2016-06-28 Henrique F. de Arruda , Luciano da F. Costa , Diego R. Amancio

Copying mechanism has been commonly used in neural paraphrasing networks and other text generation tasks, in which some important words in the input sequence are preserved in the output sequence. Similarly, in machine translation, we notice…

Computation and Language · Computer Science 2020-10-23 Jin Xu , Yinuo Guo , Junfeng Hu