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相关论文: An Improved Text Sentiment Classification Model Us…

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The stakeholders' needs in sentiment analysis for various issues, whether positive or negative, are speed and accuracy. One new challenge in sentiment analysis tasks is the limited training data, which often leads to suboptimal machine…

计算与语言 · 计算机科学 2024-07-09 Surya Agustian , Muhammad Irfan Syah , Nurul Fatiara , Rahmad Abdillah

Feedforward Neural Network (FNN)-based language models estimate the probability of the next word based on the history of the last N words, whereas Recurrent Neural Networks (RNN) perform the same task based only on the last word and some…

计算与语言 · 计算机科学 2017-03-24 Youssef Oualil , Clayton Greenberg , Mittul Singh , Dietrich Klakow

Employing a dictionary can efficiently rectify the deviation between the visual prediction and the ground truth in scene text recognition methods. However, the independence of the dictionary on the visual features may lead to incorrect…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Jiajun Wei , Hongjian Zhan , Xiao Tu , Yue Lu , Umapada Pal

Text classification is a quintessential and practical problem in natural language processing with applications in diverse domains such as sentiment analysis, fake news detection, medical diagnosis, and document classification. A sizable…

计算与语言 · 计算机科学 2024-10-15 Syed Mustafa Haider Rizvi , Ramsha Imran , Arif Mahmood

Previous researchers have considered sentiment analysis as a document classification task, in which input documents are classified into predefined sentiment classes. Although there are sentences in a document that support important…

计算与语言 · 计算机科学 2021-03-10 Gihyeon Choi , Shinhyeok Oh , Harksoo Kim

In this paper, we describe DeFactoNLP, the system we designed for the FEVER 2018 Shared Task. The aim of this task was to conceive a system that can not only automatically assess the veracity of a claim but also retrieve evidence supporting…

人工智能 · 计算机科学 2018-09-10 Aniketh Janardhan Reddy , Gil Rocha , Diego Esteves

In this paper we present our approach to tackle the Implicit Emotion Shared Task (IEST) organized as part of WASSA 2018 at EMNLP 2018. Given a tweet, from which a certain word has been removed, we are asked to predict the emotion of the…

计算与语言 · 计算机科学 2018-09-05 Alexandra Chronopoulou , Aikaterini Margatina , Christos Baziotis , Alexandros Potamianos

This article focuses on the study of Word Embedding, a feature-learning technique in Natural Language Processing that maps words or phrases to low-dimensional vectors. Beginning with the linguistic theories concerning contextual…

计算与语言 · 计算机科学 2019-11-05 Xiaolei Lu , Bin Ni

Information systems experience an ever-growing volume of unstructured data, particularly in the form of textual materials. This represents a rich source of information from which one can create value for people, organizations and…

人工智能 · 计算机科学 2017-04-19 Nicolas Pröllochs , Stefan Feuerriegel , Dirk Neumann

Recognition of handwritten words continues to be an important problem in document analysis and recognition. Existing approaches extract hand-engineered features from word images--which can perform poorly with new data sets. Recently, deep…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

To resolve the semantic ambiguity in texts, we propose a model, which innovatively combines a knowledge graph with an improved attention mechanism. An existing knowledge base is utilized to enrich the text with relevant contextual concepts.…

计算与语言 · 计算机科学 2024-01-30 Siyu Li , Lu Chen , Chenwei Song , Xinyi Liu

The digitalization of news media become a good indicator of progress and signal to more threats. Media disinformation or fake news is one of these threats, and it is necessary to take any action in fighting disinformation. This paper…

计算与语言 · 计算机科学 2023-06-02 Neil Christian R. Riego , Danny Bell Villarba

The complexities of Arabic language in morphology, orthography and dialects makes sentiment analysis for Arabic more challenging. Also, text feature extraction from short messages like tweets, in order to gauge the sentiment, makes this…

计算与语言 · 计算机科学 2018-10-17 Abdulaziz M. Alayba , Vasile Palade , Matthew England , Rahat Iqbal

Despite rapid adoption of autoregressive large language models, smaller text encoders still play an important role in text understanding tasks that require rich contextualized representations. Negation is an important semantic function that…

计算与语言 · 计算机科学 2025-07-18 Thinh Hung Truong , Karin Verspoor , Trevor Cohn , Timothy Baldwin

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

Sentiment analysis is the Natural Language Processing (NLP) task dealing with the detection and classification of sentiments in texts. While some tasks deal with identifying the presence of sentiment in the text (Subjectivity analysis),…

计算与语言 · 计算机科学 2017-07-06 Souvick Ghosh , Satanu Ghosh , Dipankar Das

Recently Convolutional Neural Networks (CNNs) models have proven remarkable results for text classification and sentiment analysis. In this paper, we present our approach on the task of classifying business reviews using word embeddings on…

计算与语言 · 计算机科学 2017-10-18 Andreea Salinca

Language model based methods are powerful techniques for text classification. However, the models have several shortcomings. (1) It is difficult to integrate human knowledge such as keywords. (2) It needs a lot of resources to train the…

计算与语言 · 计算机科学 2024-02-09 Weijie Xu , Jay Desai , Srinivasan Sengamedu , Xiaoyu Jiang , Francis Iannacci

Twitter customer service interactions have recently emerged as an effective platform to respond and engage with customers. In this work, we explore the role of negation in customer service interactions, particularly applied to sentiment…

计算与语言 · 计算机科学 2019-06-12 Amita Misra , Mansurul Bhuiyan , Jalal Mahmud , Saurabh Tripathy

Target-oriented multimodal sentiment classification seeks to predict sentiment polarity for specific targets from image-text pairs. While existing works achieve competitive performance, they often over-rely on textual content and fail to…

计算与语言 · 计算机科学 2025-09-12 Zhiyue Liu , Fanrong Ma , Xin Ling