Results 41 to 50 of about 6,473,940 (330)

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

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

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

Extracting chemical energy by growing disorder: Efficiency at maximum power [PDF]

open access: yes, 2009
We consider the efficiency of chemical energy extraction from the environment by the growth of a copolymer made of two constituent units in the entropy-driven regime.
Christian Van den Broeck   +4 more
core   +3 more sources

The use of a non-absorbable membrane as an occlusive barrier for alveolar ridge preservation: A one year follow-up prospective cohort study [PDF]

open access: yes, 2020
The aims of this study were to obtain preliminary data and test the clinical efficacy of a novel nonporous dense-polytetrafluoroethylene (d-PTFE) membrane (permamem®, botiss) in alveolar ridge preservation (ARP) procedures with a flapless approach.
D'addona, A.   +5 more
core   +1 more source

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

NILC_USP: aspect extraction using semantic labels [PDF]

open access: yes, 2014
This paper details the system NILC USP that participated in the Semeval 2014: Aspect Based Sentiment Analysis task. This system uses a Conditional Random Field (CRF) algorithm for extracting the aspects mentioned in the text.
Balage Filho, Pedro Paulo   +1 more
core   +1 more source

Enhancing Aspect Extraction for Hindi

open access: yesECNLP, 2021
Aspect extraction is not a well-explored topic in Hindi, with only one corpus having been developed for the task. In this paper, we discuss the merits of the existing corpus in terms of quality, size, sparsity, and performance in aspect extraction tasks ...
Arghya Bhattacharya   +2 more
semanticscholar   +1 more source

Multilingual Opinion Factor Extraction Fusing Aspect Semantics and Grid Tagging [PDF]

open access: yesJisuanji kexue
Aspect-oriented fine-grained opinion extraction(AFOE) aims to extract the aspect and opinion terms in the reviews in the form of opinion pairs or to extract the sentiment polarity to form opinion triplets.Previous studies usually extract opinion factors ...
GU Wenxia, ZAOKERE Kadeer, YANG Qian, AISHAN Wumaier
doaj   +1 more source

Towards a catalog of aspect-oriented refactorings [PDF]

open access: yes, 2005
Comunicação aprovada à International Conference on Aspect-Oriented Software Development (AOSD), 4, Chicago, 2005.In this paper, we present a collection of aspect-oriented refactorings covering both the extraction of aspects from object-oriented legacy ...
Castelo Branco   +3 more
core   +3 more sources

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