Investigating ChatGPT and cybersecurity: A perspective on topic modeling and sentiment analysis

OD Okey, EU Udo, RL Rosa, DZ Rodríguez… - Computers & …, 2023 - Elsevier
Abstract In early 2023, the Artificial Intelligence (AI) industry experienced a significant
advancement with the emergence of OpenAI's ChatGPT, a research product that …

Age groups classification in social network using deep learning

RG Guimaraes, RL Rosa, D De Gaetano… - IEEE …, 2017 - ieeexplore.ieee.org
Social networks have a large amount of data available, but often, people do not provide
some of their personal data, such as age, gender, and other demographics. Although the …

An FPGA-based performance evaluation of artificial neural network architecture algorithm for IoT

AAM Teodoro, OSM Gomes, M Saadi, BA Silva… - Wireless Personal …, 2022 - Springer
Nowadays, the high number of devices and applications connected to the Internet has
generated a great amount of data being which makes privacy and protection a more …

Q-meter: Quality monitoring system for telecommunication services based on sentiment analysis using deep learning

S Terra Vieira, R Lopes Rosa, D Zegarra Rodriguez… - Sensors, 2021 - mdpi.com
A quality monitoring system for telecommunication services is relevant for network operators
because it can help to improve users' quality-of-experience (QoE). In this context, this article …

Event detection system based on user behavior changes in online social networks: Case of the covid-19 pandemic

RL Rosa, MJ De Silva, DH Silva, MS Ayub… - Ieee …, 2020 - ieeexplore.ieee.org
People use Online Social Networks (OSNs) to express their opinions and feelings about
many topics. Depending on the nature of an event and its dissemination rate in OSNs, and …

Asqm: Audio streaming quality metric based on network impairments and user preferences

MR dos Santos, AP Batista, RL Rosa… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Audio streaming services have many users because the proliferation of cloud-based audio
streaming services for different content. The complex networks that support these services …

[PDF][PDF] Aspect based sentiment analysis semeval-2014 task 4

D Kirange, RR Deshmukh, M Kirange - Asian Journal of Computer …, 2014 - Citeseer
The “Aspect Based Sentiment Analysis” task focuses on the recognition of aspect term and
category and classification of emotions (positive, negative, conflict, neutral) in restaurant …

COVID-19 public tweets sentiment analysis using TF-IDF and inductive learning models

RK Bania - INFOCOMP Journal of Computer Science, 2020 - infocomp.dcc.ufla.br
The fact of appearing of the handheld devices offers forthright entree to the internet and
social networking sites. Sentiment analysis and opinion mining is the study of sentiments or …

Sentiment analysis in Portuguese tweets: an evaluation of diverse word representation models

D Vianna, F Carneiro, J Carvalho, A Plastino… - Language Resources …, 2024 - Springer
During the past years, we have seen a steady increase in the number of social networks
worldwide. Among them, Twitter has consolidated its position as one of the most influential …

A speech quality classifier based on tree-cnn algorithm that considers network degradations

ST Vieira, RL Rosa, DZ Rodríguez - Journal of Communications …, 2020 - hrcak.srce.hr
Sažetak Many factors can affect the users' quality of experience (QoE) in speech
communication services. The impairment factors appear due to physical phenomena that …