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In order to maximize the applicability of sentiment analysis results, it is necessary to not only classify the overall sentiment (positive/negative) of a given document but also to identify the main words that contribute to the…

Computation and Language · Computer Science 2017-10-02 Gichang Lee , Jaeyun Jeong , Seungwan Seo , CzangYeob Kim , Pilsung Kang

Both humans and machines learn the meaning of unknown words through contextual information in a sentence, but not all contexts are equally helpful for learning. We introduce an effective method for capturing the level of contextual…

Computation and Language · Computer Science 2023-11-10 Sungjin Nam , David Jurgens , Gwen Frishkoff , Kevyn Collins-Thompson

Contextual word embeddings obtained from pre-trained language model (PLM) have proven effective for various natural language processing tasks at the word level. However, interpreting the hidden aspects within embeddings, such as syntax and…

Computation and Language · Computer Science 2023-10-10 Nayoung Choi

Text search based on lexical matching of keywords is not satisfactory due to polysemous and synonymous words. Semantic search that exploits word meanings, in general, improves search performance. In this paper, we survey WordNet-based…

Computation and Language · Computer Science 2018-07-17 Vuong M. Ngo , Tru H. Cao , Tuan M. V. Le

Sarcasm detection is a key task for many natural language processing tasks. In sentiment analysis, for example, sarcasm can flip the polarity of an "apparently positive" sentence and, hence, negatively affect polarity detection performance.…

Computation and Language · Computer Science 2017-07-28 Soujanya Poria , Erik Cambria , Devamanyu Hazarika , Prateek Vij

Neural word representations have proven useful in Natural Language Processing (NLP) tasks due to their ability to efficiently model complex semantic and syntactic word relationships. However, most techniques model only one representation…

Computation and Language · Computer Science 2015-11-23 Andrew Trask , Phil Michalak , John Liu

Capturing a video's meaning and critical concepts by analyzing the subtle details is a fundamental yet challenging task in video captioning. Identifying the dominant emotional tone in a video significantly enhances the perception of its…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Ehsan Faghihi , Mohammedreza Zarenejad , Ali-Asghar Beheshti Shirazi

Subjective visual interpretation is a challenging yet important topic in computer vision. Many approaches reduce this problem to the prediction of adjective- or attribute-labels from images. However, most of these do not take attribute…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Tushar Karayil , Philipp Blandfort , Jörn Hees , Andreas Dengel

Text representations using neural word embeddings have proven effective in many NLP applications. Recent researches adapt the traditional word embedding models to learn vectors of multiword expressions (concepts/entities). However, these…

Computation and Language · Computer Science 2018-12-21 Walid Shalaby , Wlodek Zadrozny , Hongxia Jin

Most existing pre-trained language representation models (PLMs) are sub-optimal in sentiment analysis tasks, as they capture the sentiment information from word-level while under-considering sentence-level information. In this paper, we…

Computation and Language · Computer Science 2022-10-20 Shuai Fan , Chen Lin , Haonan Li , Zhenghao Lin , Jinsong Su , Hang Zhang , Yeyun Gong , Jian Guo , Nan Duan

This paper introduces a novel deep learning framework including a lexicon-based approach for sentence-level prediction of sentiment label distribution. We propose to first apply semantic rules and then use a Deep Convolutional Neural…

Computation and Language · Computer Science 2017-06-27 Huy Nguyen , Minh-Le Nguyen

With the development of the Internet, natural language processing (NLP), in which sentiment analysis is an important task, became vital in information processing.Sentiment analysis includes aspect sentiment classification. Aspect sentiment…

Computation and Language · Computer Science 2018-07-06 Yongping Xing , Chuangbai Xiao , Yifei Wu , Ziming Ding

This paper introduces a novel approach for multimodal sentiment analysis on social media, particularly in the context of natural disasters, where understanding public sentiment is crucial for effective crisis management. Unlike conventional…

Machine Learning · Computer Science 2025-08-20 Meriem Zerkouk , Miloud Mihoubi , Belkacem Chikhaoui

Probabilistic conceptual network is a knowledge representation scheme designed for reasoning about concepts and categorical abstractions in utility-based categorization. The scheme combines the formalisms of abstraction and inheritance…

Artificial Intelligence · Computer Science 2013-03-08 Kim-Leng Poh , Michael R. Fehling

To generate "accurate" scene graphs, almost all existing methods predict pairwise relationships in a deterministic manner. However, we argue that visual relationships are often semantically ambiguous. Specifically, inspired by linguistic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Gengcong Yang , Jingyi Zhang , Yong Zhang , Baoyuan Wu , Yujiu Yang

While concept-based interpretability methods have traditionally focused on local explanations of neural network predictions, we propose a novel framework and interactive tool that extends these methods into the domain of mechanistic…

Machine Learning · Computer Science 2025-07-09 Sofiia Chorna , Kateryna Tarelkina , Eloïse Berthier , Gianni Franchi

Sentiment analysis is attracting more and more attentions and has become a very hot research topic due to its potential applications in personalized recommendation, opinion mining, etc. Most of the existing methods are based on either…

Computation and Language · Computer Science 2017-11-22 Xingyue Chen , Yunhong Wang , Qingjie Liu

Sarcasm employs ambivalence, where one says something positive but actually means negative, and vice versa. The essence of sarcasm, which is also a sufficient and necessary condition, is the conflict between literal and implied sentiments…

Computation and Language · Computer Science 2022-04-29 Yiyi Liu , Yequan Wang , Aixin Sun , Xuying Meng , Jing Li , Jiafeng Guo

Recently, sentiment-aware pre-trained language models (PLMs) demonstrate impressive results in downstream sentiment analysis tasks. However, they neglect to evaluate the quality of their constructed sentiment representations; they just…

Computation and Language · Computer Science 2024-04-02 Jaemin Kim , Yohan Na , Kangmin Kim , Sang Rak Lee , Dong-Kyu Chae

Deploying AI-powered systems requires trustworthy models supporting effective human interactions, going beyond raw prediction accuracy. Concept bottleneck models promote trustworthiness by conditioning classification tasks on an…

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