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Detecting emotions directly from a speech signal plays an important role in effective human-computer interactions. Existing speech emotion recognition models require massive computational and storage resources, making them hard to implement…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-08 Arya Aftab , Alireza Morsali , Shahrokh Ghaemmaghami , Benoit Champagne

The emerging technique of deep learning has been widely applied in many different areas. However, when adopted in a certain specific domain, this technique should be combined with domain knowledge to improve efficiency and accuracy. In…

Computation and Language · Computer Science 2019-02-19 Khuong Vo , Dang Pham , Mao Nguyen , Trung Mai , Tho Quan

We show how fitting sparse linear models over learned deep feature representations can lead to more debuggable neural networks. These networks remain highly accurate while also being more amenable to human interpretation, as we demonstrate…

Machine Learning · Computer Science 2021-05-12 Eric Wong , Shibani Santurkar , Aleksander Mądry

The task of learning a sentiment classification model that adapts well to any target domain, different from the source domain, is a challenging problem. Majority of the existing approaches focus on learning a common representation by…

Machine Learning · Computer Science 2019-12-05 Pratik Kayal , Mayank Singh , Pawan Goyal

Sentiment analysis is a field within NLP that has gained importance because it is applied in various areas such as; social media surveillance, customer feedback evaluation and market research. At the same time, distributed systems allow for…

Computation and Language · Computer Science 2025-03-25 Mahak Shah , Akaash Vishal Hazarika , Meetu Malhotra , Sachin C. Patil , Joshit Mohanty

In the past decade, using Street View images and machine learning to measure human perception has become a mainstream research approach in urban science. However, this approach using only image-shallow information makes it difficult to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Haoran Ma , Dongdong Wu

We propose a sentiment classification method with a general machine learning framework. For feature representation, n-gram IDF is used to extract software-engineering-related, dataset-specific, positive, neutral, and negative n-gram…

Information Retrieval · Computer Science 2019-05-28 Rungroj Maipradit , Hideaki Hata , Kenichi Matsumoto

Neural networks with at least two hidden layers are called deep networks. Recent developments in AI and computer programming in general has led to development of tools such as Tensorflow, Keras, NumPy etc. making it easier to model and draw…

Signal Processing · Electrical Eng. & Systems 2021-03-30 Ruthvik Vaila , Denver Lloyd , Kevin Tetz

Deep Neural Networks (DNNs) have performed admirably in classification tasks. However, the characterization of their classification uncertainties, required for certain applications, has been lacking. In this work, we investigate the issue…

Machine Learning · Computer Science 2023-11-28 Yu Pan , Kwo-Sen Kuo , Michael L. Rilee , Hongfeng Yu

In sentence modeling and classification, convolutional neural network approaches have recently achieved state-of-the-art results, but all such efforts process word vectors sequentially and neglect long-distance dependencies. To exploit both…

Computation and Language · Computer Science 2015-08-04 Mingbo Ma , Liang Huang , Bing Xiang , Bowen Zhou

Opinion mining, also known as sentiment analysis, is a subfield of natural language processing (NLP) that focuses on identifying and extracting subjective information in textual material. This can include determining the overall sentiment…

Computation and Language · Computer Science 2023-08-08 Nour Eddine Zekaoui , Siham Yousfi , Maryem Rhanoui , Mounia Mikram

Large Language Models (LLMs) have rapidly become central to NLP, demonstrating their ability to adapt to various tasks through prompting techniques, including sentiment analysis. However, we still have a limited understanding of how these…

Computation and Language · Computer Science 2025-06-02 Dario Di Palma , Alessandro De Bellis , Giovanni Servedio , Vito Walter Anelli , Fedelucio Narducci , Tommaso Di Noia

Deep neural networks have achieved strong performance in image classification tasks due to their ability to learn complex patterns from high-dimensional data. However, their large computational and memory requirements often limit deployment…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Sai Shi

Convolutional neural networks have been successfully applied to various NLP tasks. However, it is not obvious whether they model different linguistic patterns such as negation, intensification, and clause compositionality to help the…

Computation and Language · Computer Science 2018-10-23 Mahnaz Koupaee , William Yang Wang

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),…

Computation and Language · Computer Science 2017-07-06 Souvick Ghosh , Satanu Ghosh , Dipankar Das

With the advent of word embeddings, lexicons are no longer fully utilized for sentiment analysis although they still provide important features in the traditional setting. This paper introduces a novel approach to sentiment analysis that…

Computation and Language · Computer Science 2017-08-24 Bonggun Shin , Timothy Lee , Jinho D. Choi

The widespread use of deep neural networks has achieved substantial success in many tasks. However, there still exists a huge gap between the operating mechanism of deep learning models and human-understandable decision making, so that…

Artificial Intelligence · Computer Science 2021-03-08 Xiaowei Zhou , Jie Yin , Ivor Tsang , Chen Wang

Sentiment Analysis has seen much progress in the past two decades. For the past few years, neural network approaches, primarily RNNs and CNNs, have been the most successful for this task. Recently, a new category of neural networks,…

Computation and Language · Computer Science 2018-12-20 Artaches Ambartsoumian , Fred Popowich

Over the last few years, machine learning over graph structures has manifested a significant enhancement in text mining applications such as event detection, opinion mining, and news recommendation. One of the primary challenges in this…

Computation and Language · Computer Science 2019-11-26 Kayvan Bijari , Hadi Zare , Emad Kebriaei , Hadi Veisi

Deep learning has demonstrated abilities to learn complex structures, but they can be restricted by available data. Recently, Consensus Networks (CNs) were proposed to alleviate data sparsity by utilizing features from multiple modalities,…

Machine Learning · Computer Science 2018-11-20 Zining Zhu , Jekaterina Novikova , Frank Rudzicz