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Sentiment analysis (SA) aims to identify the sentiment expressed in a text, such as a product review. Given a review and the sentiment associated with it, this work formulates SA as a combination of two tasks: (1) a causal discovery task…

计算与语言 · 计算机科学 2024-10-29 Zhiheng Lyu , Zhijing Jin , Fernando Gonzalez , Rada Mihalcea , Bernhard Schölkopf , Mrinmaya Sachan

The utility of Twitter data as a medium to support population-level mental health monitoring is not well understood. In an effort to better understand the predictive power of supervised machine learning classifiers and the influence of…

信息检索 · 计算机科学 2017-01-31 Danielle Mowery , Craig Bryan , Mike Conway

In this paper, we consider the problem of latent sentiment detection in Online Social Networks such as Twitter. We demonstrate the benefits of using the underlying social network as an Ising prior to perform network aided sentiment…

社会与信息网络 · 计算机科学 2014-01-10 Rohit Negi , Vinay Uday Prabhu , Miguel Rodrigues

This study examines machine learning methods used in crisis management. Analyzing detected patterns from a crisis involves the collection and evaluation of historical or near-real-time datasets through automated means. This paper utilized…

机器学习 · 计算机科学 2025-02-11 Izunna Okpala , Shane Halse , Jess Kropczynski

Understanding how visual content conveys sentiment is increasingly important in a digital landscape dominated by imagery. However, sentiment perception depends on complex scene-level semantics, making this a challenging task for…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Neemias B. da Silva , John Harrison , Rodrigo Minetto , Myriam R. Delgado , Bogdan T. Nassu , Thiago H. Silva

Sentiment analysis using deep learning and pre-trained language models (PLMs) has gained significant traction due to their ability to capture rich contextual representations. However, existing approaches often underperform in scenarios…

计算与语言 · 计算机科学 2025-11-05 Peter Atandoh , Jie Zou , Weikang Guo , Jiwei Wei , Zheng Wang

People communicate in more than 7,000 languages around the world, with around 780 languages spoken in India alone. Despite this linguistic diversity, research on Sentiment Analysis has predominantly focused on English text data, resulting…

计算与语言 · 计算机科学 2024-09-04 Aekansh Kathunia , Mohammad Kaif , Nalin Arora , N Narotam

The importance of building sentiment analysis tools for Arabic social media has been recognized during the past couple of years, especially with the rapid increase in the number of Arabic social media users. One of the main difficulties in…

计算与语言 · 计算机科学 2017-10-26 Samhaa R. El-Beltagy , Talaat Khalil , Amal Halaby , Muhammad Hammad

We analyze the performance of different sentiment classification models on syntactically complex inputs like A-but-B sentences. The first contribution of this analysis addresses reproducible research: to meaningfully compare different…

计算与语言 · 计算机科学 2018-08-24 Kalpesh Krishna , Preethi Jyothi , Mohit Iyyer

We investigate the finite sample performance of sample splitting, cross-fitting and averaging for the estimation of the conditional average treatment effect. Recently proposed methods, so-called meta-learners, make use of machine learning…

统计方法学 · 统计学 2020-08-27 Daniel Jacob

Target-dependent sentiment classification remains a challenge: modeling the semantic relatedness of a target with its context words in a sentence. Different context words have different influences on determining the sentiment polarity of a…

计算与语言 · 计算机科学 2016-09-30 Duyu Tang , Bing Qin , Xiaocheng Feng , Ting Liu

Sentiment analysis is a crucial task in natural language processing that involves identifying and extracting subjective sentiment from text. Self-training has recently emerged as an economical and efficient technique for developing…

计算与语言 · 计算机科学 2024-02-06 Haochen Liu , Sai Krishna Rallabandi , Yijing Wu , Parag Pravin Dakle , Preethi Raghavan

Multimodal target/aspect sentiment classification combines multimodal sentiment analysis and aspect/target sentiment classification. The goal of the task is to combine vision and language to understand the sentiment towards a target entity…

计算与语言 · 计算机科学 2021-08-09 Zaid Khan , Yun Fu

Automatic sentiment analysis play vital role in decision making. Many organizations spend a lot of budget to understand their customer satisfaction by manually going over their feedback/comments or tweets. Automatic sentiment analysis can…

计算与语言 · 计算机科学 2021-07-07 Mohammad Aimal , Maheen Bakhtyar , Junaid Baber , Sadia Lakho , Umar Mohammad , Warda Ahmed , Jahanvash Karim

Sentiment Analysis is an important algorithm in Natural Language Processing which is used to detect sentiment within some text. In our project, we had chosen to work on analyzing reviews of various drugs which have been reviewed in form of…

计算与语言 · 计算机科学 2020-03-27 Sairamvinay Vijayaraghavan , Debraj Basu

This work proposes an LSTM-based sentiment classification model with multi-head attention mechanism and TF-IDF optimization. Through the integration of TF-IDF feature extraction and multi-head attention, the model significantly improves…

计算与语言 · 计算机科学 2025-03-12 Jingyuan Yi , Peiyang Yu , Tianyi Huang , Xiaochuan Xu

Estimating the intensity of emotion has gained significance as modern textual inputs in potential applications like social media, e-retail markets, psychology, advertisements etc., carry a lot of emotions, feelings, expressions along with…

信息检索 · 计算机科学 2019-04-02 Subba Reddy Oota , Adithya Avvaru , Mounika Marreddy , Radhika Mamidi

Social media has become a very popular source of information. With this popularity comes an interest in systems that can classify the information produced. This study tries to create such a system detecting irony in Twitter users. Recent…

计算与语言 · 计算机科学 2023-11-09 Tibor L. R. Krols , Marie Mortensen , Ninell Oldenburg

Pre-trained language models (PLMs) are fundamental for natural language processing applications. Most existing PLMs are not tailored to the noisy user-generated text on social media, and the pre-training does not factor in the valuable…

计算与语言 · 计算机科学 2023-08-29 Xinyang Zhang , Yury Malkov , Omar Florez , Serim Park , Brian McWilliams , Jiawei Han , Ahmed El-Kishky

The context-dependent nature of online aggression makes annotating large collections of data extremely difficult. Previously studied datasets in abusive language detection have been insufficient in size to efficiently train deep learning…

计算与语言 · 计算机科学 2018-08-31 Younghun Lee , Seunghyun Yoon , Kyomin Jung