Results 41 to 50 of about 6,552,864 (295)

Unsupervised Semantic Approach of Aspect-Based Sentiment Analysis for Large-Scale User Reviews

open access: yesIEEE Access, 2020
Aspect-based sentiment analysis (ABSA) has recently attracted increasing attention due to its extensive applications. Most of the existing ABSA methods been applied on small-sized labeled datasets.
Sumaia Mohammed Al-Ghuribi   +2 more
doaj   +1 more source

Span-Level Dual-Encoder Model for Aspect Sentiment Triplet Extraction [PDF]

open access: yesJisuanji kexue yu tansuo, 2023
Aspect sentiment triplet extraction (ASTE)  is one of the subtasks of aspect-based sentiment analysis, which aims to identify all aspect terms, their corresponding opinion terms and sentiment polarities in sentences.
ZHANG Yunqi, LI Songda, LAN Yuquan, LI Dongxu, ZHAO Hui
doaj   +1 more source

Aromatics Extraction. 2. Economic Aspects

open access: yesChemical Engineering Transactions, 2014
Besides the core-equipment design parameters, investment and operational costs of a separation unit are influenced by the down-stream separation apparatuses design. In case of aromatics liquid-phase extraction, down-stream processing is represented by the extraction solvent regeneration carried out in order to obtain pure products, i.e.
Steltenpohl P., Graczova E.
openaire   +2 more sources

Explicit aspect extraction techniques: Review

open access: yesJournal of Al-Qadisiyah for Computer Science and Mathematics, 2022
Sentiment analysis is gathering opinion keywords, such as aspects, opinions, or features- and figuring out their semantic perspective relations. More specifically, aspect-based sentiment analysis – (ABSA) is a subfield of natural language that focuses on
Arwa Akram, A. Sabir
semanticscholar   +1 more source

Aspect-Oriented Sentiment Analysis: A Topic Modeling-Powered Approach

open access: yesJournal of Intelligent Systems, 2018
Because of exponential growth in the number of people who purchase products online, e-commerce organizations are vying for each other to offer innovative and improved services to its customers.
Anoop V.S., Asharaf S.
doaj   +1 more source

Scheduling aspects in keyword extraction problem [PDF]

open access: yesInternational Transactions in Operational Research, 2017
AbstractThe amount of big data collected during human–computer interactions requires natural language processing (NLP) applications to be executed efficiently, especially in parallel computing environments. Scalability and performance are critical in many NLP applications such as search engines or web indexers.
Michal Zimniewicz   +2 more
openaire   +2 more sources

An Unsupervised Neural Attention Model for Aspect Extraction

open access: yesAnnual Meeting of the Association for Computational Linguistics, 2017
Aspect extraction is an important and challenging task in aspect-based sentiment analysis. Existing works tend to apply variants of topic models on this task. While fairly successful, these methods usually do not produce highly coherent aspects.
Ruidan He   +3 more
semanticscholar   +1 more source

ASPECT-BASED SENTIMENT ANALYSIS METHODS IN RECENT YEARS

open access: yesAsia-Pacific Journal of Information Technology and Multimedia, 2019
Sentiment Analysis (SA) is the computational treatment of opinions, sentiments and subjectivity of text. Aspect-based Sentiment Analysis (ABSA) is a specific SA that aims to extract most important aspects of an entity and predict the polarity of each ...
Zohreh Madhoushi   +2 more
doaj   +1 more source

Implicit and Explicit Aspect Extraction in Financial Microblogs [PDF]

open access: yesProceedings of the First Workshop on Economics and Natural Language Processing, 2018
This paper focuses on aspect extraction which is a sub-task of Aspect-based Sen- timent Analysis. The goal is to report an extraction method of financial aspects in microblog messages. Our approach uses a stock-investment taxonomy for the iden- tification of explicit and implicit aspects.
Gaillat, Thomas   +5 more
openaire   +3 more sources

Implicit Aspect Extraction from Online Clothing Reviews with Fine-tuning BERT Algorithm

open access: yesJournal of Physics: Conference Series, 2021
In the era of e-commerce, tremendous product reviews can provide quick and valuable insight into the market trends. Aspect-based sentiment analysis (ABSA) on product reviews is becoming increasingly important for both companies and consumers.
Li Yu, Xuefei Bai
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy