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Holistic perception of affective attributes is an important human perceptual ability. However, this ability is far from being realized in current affective computing, as not all of the attributes are well studied and their…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-30 Yuanchao Li , Peter Bell , Catherine Lai

Researchers and financial professionals require robust computerized tools that allow users to rapidly operationalize and assess the semantic textual content in financial news. However, existing methods commonly work at the document-level…

Information Retrieval · Computer Science 2019-01-03 Bernhard Lutz , Nicolas Pröllochs , Dirk Neumann

Curriculum Learning (CL) is the idea that learning on a training set sequenced or ordered in a manner where samples range from easy to difficult, results in an increment in performance over otherwise random ordering. The idea parallels…

Computation and Language · Computer Science 2020-07-23 Vijjini Anvesh Rao , Kaveri Anuranjana , Radhika Mamidi

Sentiment analysis (SA) is an important research area in cognitive computation-thus in-depth studies of patterns of sentiment analysis are necessary. At present, rich resource data-based SA has been well developed, while the more…

Computation and Language · Computer Science 2021-05-26 Yong Dai , Jian Liu , Jian Zhang , Hongguang Fu , Zenglin Xu

In this paper, we propose an extension to graph-based sentiment lexicon induction methods by incorporating distributed and semantic word representations in building the similarity graph to expand a three-dimensional sentiment lexicon. We…

Computation and Language · Computer Science 2017-03-30 Areej Alhothali , Jesse Hoey

Recently, sentiment analysis has seen remarkable advance with the help of pre-training approaches. However, sentiment knowledge, such as sentiment words and aspect-sentiment pairs, is ignored in the process of pre-training, despite the fact…

Computation and Language · Computer Science 2020-05-21 Hao Tian , Can Gao , Xinyan Xiao , Hao Liu , Bolei He , Hua Wu , Haifeng Wang , Feng Wu

In many real-world scenarios, labeled data for a specific machine learning task is costly to obtain. Semi-supervised training methods make use of abundantly available unlabeled data and a smaller number of labeled examples. We propose a new…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Philip Häusser , Alexander Mordvintsev , Daniel Cremers

Emotion recognition from text is a challenging task due to diverse emotion taxonomies, lack of reliable labeled data in different domains, and highly subjective annotation standards. Few-shot and zero-shot techniques can generalize across…

Computation and Language · Computer Science 2021-10-12 Justin Olah , Sabyasachee Baruah , Digbalay Bose , Shrikanth Narayanan

This paper explores the development of a multimodal sentiment analysis model that integrates text, audio, and visual data to enhance sentiment classification. The goal is to improve emotion detection by capturing the complex interactions…

Computation and Language · Computer Science 2025-01-15 Hui Lee , Singh Suniljit , Yong Siang Ong

Self-training is an effective approach to semi-supervised learning. The key idea is to let the learner itself iteratively generate "pseudo-supervision" for unlabeled instances based on its current hypothesis. In combination with consistency…

Machine Learning · Statistics 2021-11-05 Julian Lienen , Eyke Hüllermeier

Social media is increasingly used by humans to express their feelings and opinions in the form of short text messages. Detecting sentiments in the text has a wide range of applications including identifying anxiety or depression of…

Computation and Language · Computer Science 2018-07-23 Shaunak Joshi , Deepali Deshpande

Recent approaches for sentiment lexicon induction have capitalized on pre-trained word embeddings that capture latent semantic properties. However, embeddings obtained by optimizing performance of a given task (e.g. predicting contextual…

Computation and Language · Computer Science 2017-01-09 Silvio Amir , Rámon Astudillo , Wang Ling , Paula C. Carvalho , Mário J. Silva

Learning and understanding the typical patterns in the daily activities and routines of people from low-level sensory data is an important problem in many application domains such as building smart environments, or providing intelligent…

Machine Learning · Computer Science 2014-08-14 Truyen Tran , Hung Bui , Svetha Venkatesh

Given that labeled data is expensive to obtain in real-world scenarios, many semi-supervised algorithms have explored the task of exploitation of unlabeled data. Traditional tri-training algorithm and tri-training with disagreement have…

Machine Learning · Computer Science 2019-09-26 Yash Bhalgat , Zhe Liu , Pritam Gundecha , Jalal Mahmud , Amita Misra

Emotion recognition is a topic of significant interest in assistive robotics due to the need to equip robots with the ability to comprehend human behavior, facilitating their effective interaction in our society. Consequently, efficient and…

Human-Computer Interaction · Computer Science 2023-12-05 Rutherford Agbeshi Patamia , Paulo E. Santos , Kingsley Nketia Acheampong , Favour Ekong , Kwabena Sarpong , She Kun

Current approaches to cross-lingual sentiment analysis try to leverage the wealth of labeled English data using bilingual lexicons, bilingual vector space embeddings, or machine translation systems. Here we show that it is possible to use a…

Computation and Language · Computer Science 2017-10-25 Mohamed Abdalla , Graeme Hirst

The ability to infer the intentions of others, predict their goals, and deduce their plans are critical features for intelligent agents. For a long time, several approaches investigated the use of symbolic representations and inferences…

Machine Learning · Computer Science 2019-11-25 Thibault Duhamel , Mariane Maynard , Froduald Kabanza

Affective Behavior Analysis is an important part in human-computer interaction. Existing multi-task affective behavior recognition methods suffer from the problem of incomplete labeled datasets. To tackle this problem, this paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Lingfeng Wang , Shisen Wang , Jin Qi , Kenji Suzuki

Speech Emotion Recognition (SER) plays a pivotal role in enhancing human-computer interaction by enabling a deeper understanding of emotional states across a wide range of applications, contributing to more empathetic and effective…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-25 Amirali Soltani Tehrani , Niloufar Faridani , Ramin Toosi

Sentiment analysis in low-resource languages suffers from a lack of annotated corpora to estimate high-performing models. Machine translation and bilingual word embeddings provide some relief through cross-lingual sentiment approaches.…

Computation and Language · Computer Science 2018-05-24 Jeremy Barnes , Roman Klinger , Sabine Schulte im Walde