Results 11 to 20 of about 5,942,306 (303)

A multi-scale local attention mechanism for aspect extraction [PDF]

open access: yesScientific Reports
Aspect extraction is a critical step in constructing knowledge graphs and involves extracting aspect information from unstructured text. Current methods typically employ attention-based techniques such as global or local attention mechanisms, each with ...
Qian Yang   +7 more
doaj   +2 more sources

Prompt Tuning Large Language Models on Personalized Aspect Extraction for Recommendations [PDF]

open access: yesarXiv.org, 2023
Existing aspect extraction methods mostly rely on explicit or ground truth aspect information, or using data mining or machine learning approaches to extract aspects from implicit user feedback such as user reviews.
Pan Li   +3 more
semanticscholar   +1 more source

Cross-Domain Aspect Extraction using Transformers Augmented with Knowledge Graphs [PDF]

open access: yesInternational Conference on Information and Knowledge Management, 2022
The extraction of aspect terms is a critical step in fine-grained sentiment analysis of text. Existing approaches for this task have yielded impressive results when the training and testing data are from the same domain.
Phillip Howard   +7 more
semanticscholar   +1 more source

DILBERT: Customized Pre-Training for Domain Adaptation with Category Shift, with an Application to Aspect Extraction [PDF]

open access: yesConference on Empirical Methods in Natural Language Processing, 2021
The rise of pre-trained language models has yielded substantial progress in the vast majority of Natural Language Processing (NLP) tasks. However, a generic approach towards the pre-training procedure can naturally be sub-optimal in some cases ...
Entony Lekhtman   +2 more
semanticscholar   +1 more source

NOVEL MULTI-LEVEL ASPECT BASED SENTIMENT ANALYSIS FOR IMPROVED ROOT-CAUSE ANALYSIS

open access: yesICTACT Journal on Soft Computing, 2021
Aspect extraction and sentiment identification are the two important tasks to provide effective root cause analysis. This work presents a Multi-Level Aspect based Sentiment Analysis (MLASA) model that integrates the aspect extraction and sentiment ...
Naveenkumar Seerangan   +1 more
doaj   +1 more source

BERTimbau in Action: An Investigation of its Abilities in Sentiment Analysis, Aspect Extraction, Hate Speech Detection, and Irony Detection.

open access: yesProceedings of the International Florida Artificial Intelligence Research Society Conference, 2023
Social Media has revolutionized how individuals, groups, and communities interact. This immense quantity of unstructured data holds valuable information expressed in informal language.
Julia da Rocha Junqueira   +6 more
doaj   +1 more source

Arabic Aspect Extraction Based on Stacked Contextualized Embedding With Deep Learning

open access: yesIEEE Access, 2022
The exponential growth of the internet and a multi-fold increase in social media users in the last decade have resulted in a massive growth of unstructured data.
Arwa S. Fadel, M. Saleh, O. Abulnaja
semanticscholar   +1 more source

A Joint Model for Extracting Latent Aspects and Their Ratings From Online Employee Reviews

open access: yesFrontiers in Physics, 2022
The personal description of a company associated with job satisfaction, company culture, and opinions of senior leadership is available on workplace community websites.
Zhuo-Ming Ren   +3 more
doaj   +1 more source

A Systematic Mapping Study of the Empirical Explicit Aspect Extractions in Sentiment Analysis

open access: yesIEEE Access, 2020
Aspect-based sentiment analysis (ABSA) is described as one of the most vibrant research areas over the last decade. However, due to the exponential increase in aspect-based sentiment researches, there is a massive interest in advanced explicit aspect ...
Jaafar Zubairu Maitama   +2 more
doaj   +1 more source

LISA: Language-Independent Method for Aspect-Based Sentiment Analysis

open access: yesIEEE Access, 2020
Understanding “what others think” is one of the most eminent pieces of knowledge in the decision-making process required in a wide spectrum of applications. The procedure of obtaining knowledge from each aspect (property) of users' opinions
Mohammadreza Shams   +2 more
doaj   +1 more source

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