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The quality of human preference data is crucial for training and evaluating large language models (LLMs), particularly in reinforcement learning from human feedback (RLHF) and direct preference optimization (DPO) scenarios. Traditional…

计算与语言 · 计算机科学 2025-06-02 Yimin Du

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

Aspect-based sentiment analysis produces a list of aspect terms and their corresponding sentiments for a natural language sentence. This task is usually done in a pipeline manner, with aspect term extraction performed first, followed by…

计算与语言 · 计算机科学 2019-06-18 Ruidan He , Wee Sun Lee , Hwee Tou Ng , Daniel Dahlmeier

Data mining techniques can transform massive amounts of unstructured data into quantitative data that quickly reveal insights, trends, and patterns behind the original data. In this paper, a data mining model is applied to analyse the 2019…

机器学习 · 计算机科学 2022-11-01 Shuaiqun Pan , Sergio J. Rodríguez Méndez , Kerry Taylor

With the rapid growth of social media on the web, emotional polarity computation has become a flourishing frontier in the text mining community. However, it is challenging to understand the latest trends and summarize the state or general…

计算与语言 · 计算机科学 2017-01-05 Amir Hossein Yazdavar , Monireh Ebrahimi , Naomie Salim

Emotions widely affect human decision-making. This fact is taken into account by affective computing with the goal of tailoring decision support to the emotional states of individuals. However, the accurate recognition of emotions within…

计算与语言 · 计算机科学 2018-11-14 Bernhard Kratzwald , Suzana Ilic , Mathias Kraus , Stefan Feuerriegel , Helmut Prendinger

Multimodal sentiment analysis is an important area for understanding the user's internal states. Deep learning methods were effective, but the problem of poor interpretability has gradually gained attention. Previous works have attempted to…

计算与语言 · 计算机科学 2023-05-15 Sixia Li , Shogo Okada

We present WiC-TSV, a new multi-domain evaluation benchmark for Word Sense Disambiguation. More specifically, we introduce a framework for Target Sense Verification of Words in Context which grounds its uniqueness in the formulation as a…

计算与语言 · 计算机科学 2021-01-29 Anna Breit , Artem Revenko , Kiamehr Rezaee , Mohammad Taher Pilehvar , Jose Camacho-Collados

Implicit sentiment analysis (ISA) presents significant challenges due to the absence of salient cue words. Previous methods have struggled with insufficient data and limited reasoning capabilities to infer underlying opinions. Integrating…

计算与语言 · 计算机科学 2024-12-13 Wenna Lai , Haoran Xie , Guandong Xu , Qing Li

Measuring the salience of a word is an essential step in numerous NLP tasks. Heuristic approaches such as tfidf have been used so far to estimate the salience of words. We propose \emph{Neural Word Salience} (NWS) scores, unlike heuristics,…

计算与语言 · 计算机科学 2017-09-06 Krasen Samardzhiev , Andrew Gargett , Danushka Bollegala

In many multi-microphone algorithms, an estimate of the relative transfer functions (RTFs) of the desired speaker is required. Recently, a computationally efficient RTF vector estimation method was proposed for acoustic sensor networks,…

音频与语音处理 · 电气工程与系统科学 2023-04-07 Wiebke Middelberg , Simon Doclo

With the growth of social medias, such as Twitter, plenty of user-generated data emerge daily. The short texts published on Twitter -- the tweets -- have earned significant attention as a rich source of information to guide many…

人工智能 · 计算机科学 2021-06-01 Sérgio Barreto , Ricardo Moura , Jonnathan Carvalho , Aline Paes , Alexandre Plastino

This study's goal is to create a model of sentiment analysis on a 2000 rows IMDB movie comments and 3200 Twitter data by using machine learning and vector space techniques; positive or negative preliminary information about the text is to…

信息检索 · 计算机科学 2019-03-29 İlhan Tarımer , Adil Çoban , Arif Emre Kocaman

Multimodal sentiment analysis has attracted increasing attention and lots of models have been proposed. However, the performance of the state-of-the-art models decreases sharply when they are deployed in the real world. We find that the…

计算与语言 · 计算机科学 2022-09-21 Yang Wu , Yanyan Zhao , Hao Yang , Song Chen , Bing Qin , Xiaohuan Cao , Wenting Zhao

Sentiment analysis is a very important natural language processing activity in which one identifies the polarity of a text, whether it conveys positive, negative, or neutral sentiment. Along with the growth of social media and the Internet,…

计算与语言 · 计算机科学 2025-09-30 Meysam Shirdel Bilehsavar , Negin Mahmoudi , Mohammad Jalili Torkamani , Kiana Kiashemshaki

Affective computing is a field of study that focuses on developing systems and technologies that can understand, interpret, and respond to human emotions. Speech Emotion Recognition (SER), in particular, has got a lot of attention from…

计算与语言 · 计算机科学 2023-12-20 Varun Sharma

Neural attention, especially the self-attention made popular by the Transformer, has become the workhorse of state-of-the-art natural language processing (NLP) models. Very recent work suggests that the self-attention in the Transformer…

计算与语言 · 计算机科学 2020-10-16 Zhengxuan Wu , Thanh-Son Nguyen , Desmond C. Ong

Social media is abundant in visual and textual information presented together or in isolation. Memes are the most popular form, belonging to the former class. In this paper, we present our approaches for the Memotion Analysis problem as…

计算与语言 · 计算机科学 2020-07-23 Vishal Keswani , Sakshi Singh , Suryansh Agarwal , Ashutosh Modi

Sentiment understanding has been a long-term goal of AI in the past decades. This paper deals with sentence-level sentiment classification. Though a variety of neural network models have been proposed very recently, however, previous models…

计算与语言 · 计算机科学 2017-04-27 Qiao Qian , Minlie Huang , Jinhao Lei , Xiaoyan Zhu

Aspect-based sentiment analysis (ABSA) aims at analyzing the sentiment of a given aspect in a sentence. Recently, neural network-based methods have achieved promising results in existing ABSA datasets. However, these datasets tend to…

计算与语言 · 计算机科学 2020-11-03 Zhen Wu , Chengcan Ying , Xinyu Dai , Shujian Huang , Jiajun Chen