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Text classification plays a vital role today especially with the intensive use of social networking media. Recently, different architectures of convolutional neural networks have been used for text classification in which one-hot vector,…

计算与语言 · 计算机科学 2019-03-12 Amr Adel Helmy , Yasser M. K. Omar , Rania Hodhod

In recent years, there has been an exponential growth in the number of complex documents and texts that require a deeper understanding of machine learning methods to be able to accurately classify texts in many applications. Many machine…

In this work, we first show that on the widely used LibriSpeech benchmark, our transformer-based context-dependent connectionist temporal classification (CTC) system produces state-of-the-art results. We then show that using wordpieces as…

音频与语音处理 · 电气工程与系统科学 2020-08-18 Frank Zhang , Yongqiang Wang , Xiaohui Zhang , Chunxi Liu , Yatharth Saraf , Geoffrey Zweig

This paper have two parts. In the first part we discuss word embeddings. We discuss the need for them, some of the methods to create them, and some of their interesting properties. We also compare them to image embeddings and see how word…

机器学习 · 计算机科学 2016-10-27 Amit Mandelbaum , Adi Shalev

Although WordNet is a valuable resource because of its structured semantic networks and extensive vocabulary, its fine-grained sense distinctions can be challenging for second-language learners. To address this issue, we developed a version…

计算与语言 · 计算机科学 2026-03-12 Masato Kikuchi , Masatsugu Ono , Toshioki Soga , Tetsu Tanabe , Tadachika Ozono

Hierarchical Text Classification (HTC) is a natural language processing task with the objective to classify text documents into a set of classes from a structured class hierarchy. Many HTC approaches have been proposed which attempt to…

信息检索 · 计算机科学 2024-12-02 Jaco du Toit , Herman Redelinghuys , Marcel Dunaiski

Tokenization and sub-tokenization based models like word2vec, BERT and the GPTs are the state-of-the-art in natural language processing. Typically, these approaches have limitations with respect to their input representation. They fail to…

计算与语言 · 计算机科学 2026-02-26 Felix Schneider , Maria Gogolev , Sven Sickert , Joachim Denzler

Text classification is a fundamental task for text data mining. In order to train a generalizable model, a large volume of text must be collected. To address data insufficiency, cross-lingual data may occasionally be necessary.…

信息检索 · 计算机科学 2019-06-25 Jun Jiang , Shumao Pang , Xia Zhao , Liwei Wang , Andrew Wen , Hongfang Liu , Qianjin Feng

Text categorization is the task of assigning labels to documents written in a natural language, and it has numerous real-world applications including sentiment analysis as well as traditional topic assignment tasks. In this paper, we…

计算与语言 · 计算机科学 2020-03-05 Changzeng Fu , Chaoran Liu , Carlos Toshinori Ishi , Yuichiro Yoshikawa , Hiroshi Ishiguro

Neural network based methods have obtained great progress on a variety of natural language processing tasks. However, in most previous works, the models are learned based on single-task supervised objectives, which often suffer from…

计算与语言 · 计算机科学 2016-05-18 Pengfei Liu , Xipeng Qiu , Xuanjing Huang

This paper evaluates existing and newly proposed answer selection methods based on pre-trained word embeddings. Word embeddings are highly effective in various natural language processing tasks and their integration into traditional…

信息检索 · 计算机科学 2017-08-16 Rishav Chakravarti , Jiri Navratil , Cicero Nogueira dos Santos

This work presents a new and simple approach for fine-tuning pretrained word embeddings for text classification tasks. In this approach, the class in which a term appears, acts as an additional contextual variable during the fine tuning…

计算与语言 · 计算机科学 2019-12-17 Amr Al-Khatib , Samhaa R. El-Beltagy

Learning problems in the text processing domain often map the text to a space whose dimensions are the measured features of the text, e.g., its words. Three characteristic properties of this domain are (a) very high dimensionality, (b) both…

cmp-lg · 计算机科学 2008-02-03 Ido Dagan , Yael Karov , Dan Roth

In this study, book summaries and categories taken from book sites were classified using word embedding methods, natural language processing techniques and machine learning algorithms. In addition, one hot encoding, Word2Vec and Term…

计算与语言 · 计算机科学 2025-07-30 Kerem Keskin , Mümine Kaya Keleş

The demand for text classification is growing significantly in web searching, data mining, web ranking, recommendation systems, and so many other fields of information and technology. This paper illustrates the text classification process…

计算与语言 · 计算机科学 2025-09-03 Sadia Zaman Mishu , S M Rafiuddin

Text classification is a task of automatic classification of text into one of the predefined categories. The problem of text classification has been widely studied in different communities like natural language processing, data mining and…

计算与语言 · 计算机科学 2014-06-24 Reshma Prasad , Mary Priya Sebastian

The classical, vector space model for text retrieval is shown to give better results (up to 29% better in our experiments) if WordNet synsets are chosen as the indexing space, instead of word forms. This result is obtained for a manually…

cmp-lg · 计算机科学 2007-05-23 Julio Gonzalo , Felisa Verdejo , Irina Chugur , Juan Cigarran

Understanding the attack patterns associated with a cyberattack is crucial for comprehending the attacker's behaviors and implementing the right mitigation measures. However, majority of the information regarding new attacks is typically…

机器学习 · 计算机科学 2024-12-02 Weiqiu You , Youngja Park

Text classification tends to struggle when data is deficient or when it needs to adapt to unseen classes. In such challenging scenarios, recent studies have used meta-learning to simulate the few-shot task, in which new queries are compared…

计算与语言 · 计算机科学 2019-10-01 Ruiying Geng , Binhua Li , Yongbin Li , Xiaodan Zhu , Ping Jian , Jian Sun

Deceptive text classification is a critical task in natural language processing that aims to identify deceptive o fraudulent content. This study presents a comparative analysis of machine learning and transformer-based approaches for…

计算与语言 · 计算机科学 2023-08-14 Anusuya Krishnan