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Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

计算与语言 · 计算机科学 2020-09-02 Ukachi Osisiogu

Nowadays peoples are actively involved in giving comments and reviews on social networking websites and other websites like shopping websites, news websites etc. large number of people everyday share their opinion on the web, results is a…

计算与语言 · 计算机科学 2014-09-16 Richa Sharma , Shweta Nigam , Rekha Jain

Heretofore, the only way to evaluate an author has been frequency-based citation metrics that assume citations to be of a neutral sentiment. However, considering the sentiment behind citations aids in a better understanding of the…

数字图书馆 · 计算机科学 2024-03-14 Shikha Gupta , Animesh Kumar

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

计算与语言 · 计算机科学 2018-01-29 Stefanos Angelidis , Mirella Lapata

Sentiment analysis is one of the most widely used techniques in text analysis. Recent advancements with Large Language Models have made it more accurate and accessible than ever, allowing researchers to classify text with only a plain…

计算与语言 · 计算机科学 2024-05-07 Michael Burnham

Emoticons (e.g., :) and :( ) have been widely used in sentiment analysis and other NLP tasks as features to ma- chine learning algorithms or as entries of sentiment lexicons. In this paper, we argue that while emoticons are strong and…

计算与语言 · 计算机科学 2015-11-17 Hao Wang , Jorge A. Castanon

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

An important part of the information gathering and data analysis is to find out what people think about, either a product or an entity. Twitter is an opinion rich social networking site. The posts or tweets from this data can be used for…

信息检索 · 计算机科学 2024-09-05 Dwarampudi Mahidhar Reddy , N V Subba Reddy , N V Subba Reddy

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 goal of this paper is to evaluate the informational content of sentiment extracted from news articles about the state of the economy. We propose a fine-grained aspect-based sentiment analysis that has two main characteristics: 1) we…

计算工程、金融与科学 · 计算机科学 2022-03-30 Luca Barbaglia , Sergio Consoli , Sebastiano Manzan

Several lexica for sentiment analysis have been developed and made available in the NLP community. While most of these come with word polarity annotations (e.g. positive/negative), attempts at building lexica for finer-grained emotion…

计算与语言 · 计算机科学 2018-10-10 Oscar Araque , Lorenzo Gatti , Jacopo Staiano , Marco Guerini

TripAdvisor reviews and comparable data sources play an important role in many tasks in Natural Language Processing (NLP), providing a data basis for the identification and classification of subjective judgments, such as hotel or restaurant…

计算与语言 · 计算机科学 2024-05-21 Olga Kellert , Carlos Gómez-Rodríguez , Mahmud Uz Zaman

Sentiment Analysis refers to the study of systematically extracting the meaning of subjective text . When analysing sentiments from the subjective text using Machine Learning techniques,feature extraction becomes a significant part. We…

计算与语言 · 计算机科学 2019-06-05 Avinash Madasu , Sivasankar E

Sentiment Analysis aims to get the underlying viewpoint of the text, which could be anything that holds a subjective opinion, such as an online review, Movie rating, Comments on Blog posts etc. This paper presents a novel approach that…

信息检索 · 计算机科学 2014-06-10 Rahul Tejwani

With the widespread dissemination of user-generated content on different social networks, and online consumer systems such as Amazon, the quantity of opinionated information available on the Internet has been increased. One of the main…

计算与语言 · 计算机科学 2020-11-16 Zeinab Rajabi , MohammadReza Valavi , Maryam Hourali

Research in emotion analysis is scattered across different label formats (e.g., polarity types, basic emotion categories, and affective dimensions), linguistic levels (word vs. sentence vs. discourse), and, of course, (few well-resourced…

计算与语言 · 计算机科学 2021-11-09 Sven Buechel , Luise Modersohn , Udo Hahn

Sentiment analysis gets increasing attention in software engineering with new tools emerging from new insights provided by researchers. Existing use cases and tools are meant to be used for textual communication such as comments on…

软件工程 · 计算机科学 2021-08-05 Marc Herrmann , Jil Klünder

Aspect-based sentiment analysis (ABSA) is an emerging fine-grained sentiment analysis task that aims to extract aspects, classify corresponding sentiment polarities and find opinions as the causes of sentiment. The latest research tends to…

计算与语言 · 计算机科学 2021-09-20 Chengxi Li , Feiyu Gao , Jiajun Bu , Lu Xu , Xiang Chen , Yu Gu , Zirui Shao , Qi Zheng , Ningyu Zhang , Yongpan Wang , Zhi Yu

The presented work aims at generating a systematically annotated corpus that can support the enhancement of sentiment analysis tasks in Telugu using word-level sentiment annotations. From OntoSenseNet, we extracted 11,000 adjectives, 253…

计算与语言 · 计算机科学 2018-07-05 Sreekavitha Parupalli , Vijjini Anvesh Rao , Radhika Mamidi

This study aims to demonstrate the methods for detecting negations in a sentence by uniquely evaluating the lexical structure of the text via word-sense disambiguation. The proposed framework examines all the unique features in the various…

计算与语言 · 计算机科学 2025-02-11 Izunna Okpala , Guillermo Romera Rodriguez , Andrea Tapia , Shane Halse , Jess Kropczynski