English
Related papers

Related papers: Robust Document Representations using Latent Topic…

200 papers

Manually labelling large collections of text data is a time-consuming, expensive, and laborious task, but one that is necessary to support machine learning based on text datasets. Active learning has been shown to be an effective way to…

Computation and Language · Computer Science 2019-10-11 Jinghui Lu , Maeve Henchion , Brian Mac Namee

Deep learning models such as convolutional neural networks and recurrent networks are widely applied in text classification. In spite of their great success, most deep learning models neglect the importance of modeling context information,…

Computation and Language · Computer Science 2019-06-05 Liuyu Xiang , Xiaoming Jin , Lan Yi , Guiguang Ding

Deep language models learning a hierarchical representation proved to be a powerful tool for natural language processing, text mining and information retrieval. However, representations that perform well for retrieval must capture semantic…

Information Retrieval · Computer Science 2019-05-24 Tolgahan Cakaloglu , Xiaowei Xu

Topic modeling based on latent Dirichlet allocation (LDA) has been a framework of choice to perform scene recognition and annotation. Recently, a new type of topic model called the Document Neural Autoregressive Distribution Estimator…

Computer Vision and Pattern Recognition · Computer Science 2013-05-24 Yin Zheng , Yu-Jin Zhang , Hugo Larochelle

Text embeddings are numerical representations of text data, where words, phrases, or entire documents are converted into vectors of real numbers. These embeddings capture semantic meanings and relationships between text elements in a…

Information Retrieval · Computer Science 2025-01-20 Fusheng Wei , Robert Neary , Han Qin , Qiang Mao , Jianping Zhang

We propose a framework that learns a representation transferable across different domains and tasks in a label efficient manner. Our approach battles domain shift with a domain adversarial loss, and generalizes the embedding to novel task…

Machine Learning · Statistics 2017-12-04 Zelun Luo , Yuliang Zou , Judy Hoffman , Li Fei-Fei

The task of text and sentence classification is associated with the need for large amounts of labelled training data. The acquisition of high volumes of labelled datasets can be expensive or unfeasible, especially for highly-specialised…

Computation and Language · Computer Science 2021-06-07 Aleksandra Edwards , David Rogers , Jose Camacho-Collados , Hélène de Ribaupierre , Alun Preece

Latent topic models have been successfully applied as an unsupervised topic discovery technique in large document collections. With the proliferation of hypertext document collection such as the Internet, there has also been great interest…

Information Retrieval · Computer Science 2012-06-18 Amit Gruber , Michal Rosen-Zvi , Yair Weiss

Labeling a large set of data is expensive. Active learning aims to tackle this problem by asking to annotate only the most informative data from the unlabeled set. We propose a novel active learning approach that utilizes self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 John Seon Keun Yi , Minseok Seo , Jongchan Park , Dong-Geol Choi

Advancements in language foundation models have primarily fueled the recent surge in artificial intelligence. In contrast, generative learning of non-textual modalities, especially videos, significantly trails behind language modeling. This…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Lijun Yu

Pre-training text representations has recently been shown to significantly improve the state-of-the-art in many natural language processing tasks. The central goal of pre-training is to learn text representations that are useful for…

Computation and Language · Computer Science 2020-04-14 Shangwen Lv , Yuechen Wang , Daya Guo , Duyu Tang , Nan Duan , Fuqing Zhu , Ming Gong , Linjun Shou , Ryan Ma , Daxin Jiang , Guihong Cao , Ming Zhou , Songlin Hu

Distributed word representations have been demonstrated to be effective in capturing semantic and syntactic regularities. Unsupervised representation learning from large unlabeled corpora can learn similar representations for those words…

Computation and Language · Computer Science 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau

Text classification is a fundamental task in NLP applications. Latest research in this field has largely been divided into two major sub-fields. Learning representations is one sub-field and learning deeper models, both sequential and…

Computation and Language · Computer Science 2018-11-09 Mithun Das Gupta

As the amount of textual data has been rapidly increasing over the past decade, efficient similarity search methods have become a crucial component of large-scale information retrieval systems. A popular strategy is to represent original…

Information Retrieval · Computer Science 2017-08-14 Suthee Chaidaroon , Yi Fang

Large semantic knowledge bases are grounded in factual knowledge. However, recent approaches to dense text representations (i.e. embeddings) do not efficiently exploit these resources. Dense and robust representations of documents are…

Artificial Intelligence · Computer Science 2024-10-01 Boshko Koloski , Senja Pollak , Roberto Navigli , Blaž Škrlj

Legal documents pose unique challenges for text classification due to their domain-specific language and often limited labeled data. This paper proposes a hybrid approach for classifying legal texts by combining unsupervised topic and graph…

Machine Learning · Statistics 2025-09-03 Deepak Bastola , Woohyeok Choi

Self-supervised representation learning solves auxiliary prediction tasks (known as pretext tasks) without requiring labeled data to learn useful semantic representations. These pretext tasks are created solely using the input features,…

Machine Learning · Computer Science 2021-11-16 Jason D. Lee , Qi Lei , Nikunj Saunshi , Jiacheng Zhuo

Word Representations form the core component for almost all advanced Natural Language Processing (NLP) applications such as text mining, question-answering, and text summarization, etc. Over the last two decades, immense research is…

Computation and Language · Computer Science 2020-12-02 Shree Charran R , Rahul Kumar Dubey

Recent progress in pretrained Transformer-based language models has shown great success in learning contextual representation of text. However, due to the quadratic self-attention complexity, most of the pretrained Transformers models can…

Computation and Language · Computer Science 2021-10-22 Peng Xu , Xinchi Chen , Xiaofei Ma , Zhiheng Huang , Bing Xiang

Topic modeling is used for discovering latent semantic structure, usually referred to as topics, in a large collection of documents. The most widely used methods are Latent Dirichlet Allocation and Probabilistic Latent Semantic Analysis.…

Computation and Language · Computer Science 2020-08-24 Dimo Angelov