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Topic Modeling Influence in Sentiment Analysis from User-generated Product Reviews
Patrick A. M. De Araújo;Seyed J. Haddadi;Fillipe Dos S. Silva;Marcelo Da S. Reis;Julio C. Dos Reis
2024 32nd International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE)
Year: 2024 | Conference Paper |
Novel NLP techniques have advanced the analysis of user-generated content on digital platforms. This study combines sentiment analysis and topic modeling to analyze customer reviews. Our investigation explores BERT and T5 models for sentiment analysis and BERTopic for topic modelingevaluated in three distinct datasets Amazon, Netflix, and Spotify. Results show that integrating topic modeling enhan...Show More
Customer Churn Prediction in the Iranian Banking Sector
Seyed Jamal Haddadi;Mohammad Ostad Mohammadi;Mojtaba Bahrami;Elham Khoeini;Mehdi Beygi;Mehrdad Haddad Khoshkar
2022 International Conference on Applied Artificial Intelligence (ICAPAI)
Year: 2022 | Conference Paper |
Cited by: Papers (5)
in the financial system such as the banking sector, customers are valuable, and losing them is very expensive as customer churn is a major challenge facing banks. In this paper, we present a time series Deep Neural Networks (DNNs)-based approach for customer retention, in which a dataset has been collected from retail banking customers in the Republic Islamic of Iran. The dataset consists of real ...Show More
Evaluation of Monocular Visual-Inertial SLAM: Benchmark and Experiment
2019 7th International Conference on Robotics and Mechatronics (ICRoM)
Year: 2019 | Conference Paper |
Simultaneous Localization and Mapping (SLAM) is being developed as a hot topic issue in computer vision which nowadays, is the main core of self-localization and autonomous navigation in robotic technology and unmanned vehicles. In this way, Visual-Inertial SLAM algorithm is a popular strategy to attain high accurate 6-DOF state estimation. But such an accurate system is vulnerable to extreme move...Show More
Visual-Inertial Fusion for Indoor Autonomous Navigation of a Quadrotor Using ORB-SLAM
2018 Latin American Robotic Symposium, 2018 Brazilian Symposium on Robotics (SBR) and 2018 Workshop on Robotics in Education (WRE)
Year: 2018 | Conference Paper |
Cited by: Papers (9)
This brief addresses the accuracy of the pose estimation of a Low-Cost Quadrotor using visual SLAM and sensor data fusion for making an autonomous indoor navigation in a known GPS-denied environment. To perform this approach, two kinds of modules are employed. For the former, a Simultaneous Localization and Mapping (SLAM) system is used. This SLAM system uses Oriented Fast and rotated BRIEF (ORB) ...Show More
Back-Stepping Sliding Mode Control of Quadrotor under Dynamic Uncertainties
2017 5th RSI International Conference on Robotics and Mechatronics (ICRoM)
Year: 2017 | Conference Paper |
Cited by: Papers (1)
this paper addresses the development of high order Sliding Mode Control (SMC) of a Quadrotor. This development has been done using Back-Stepping Sliding Mode Control (BSMC). By considering external disturbances and dynamic uncertainties in parameters, this approach guaranties the convergence of system states to their desired values. Based on Lyapunov stability theory, main achievement of this inve...Show More
Experimental stability study of an Octorotor using an intelligent controller
2016 Artificial Intelligence and Robotics (IRANOPEN)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
In this paper, the attitude stabilization problem of an Octorotor with coaxial motors is studied. To this end, the new method of intelligent adaptive control is presented. The designed controller which includes fuzzy and PID controllers, is completed by resistant adaptive function of approximate external disturbance and changing in the dynamic model. In fact, the regulation factor of PID controlle...Show More
Design and fabrication of an autonomous Octorotor flying robot
2015 3rd RSI International Conference on Robotics and Mechatronics (ICROM)
Year: 2015 | Conference Paper |
Cited by: Papers (10)
In this paper, the full procedure of the mechanical design and electronic subsystems of a new Octorotor flying robot is discussed. The number of motors from four motors is increased to eight motors which all of motors set as coaxial and they are installed two by two. It means that four motors are placed on top of the robot and another four motors are placed on down of the robot coaxially. This str...Show More
Attitude control and trajectory tracking of an autonomous miniature aerial vehicle
Seyed Jamal Haddadi;Omid Emamagholi;Farahnaz Javidi;Ahmad Fakharian
This paper introduces a Miniature Aerial Vehicle (MAV) which is Autonomous in outdoor environment. Main contributions of this research are both new trajectory tracking and attitude control scheme in real flight mode. This MAV is based on a traditional quadrotor. For stabilization of the quadrotor's attitude a PID controller is utilized. The proposed controller is designed such that to be able to a...Show More
Dynamics modelling and implementation of an attitude control on an Octorotor
2015 IEEE 28th Canadian Conference on Electrical and Computer Engineering (CCECE)
Year: 2015 | Conference Paper |
Cited by: Papers (9)
In this paper, an attitude controller is implemented and studied on an Octorotor flying robot. In this Unmanned Aerial Vehicle (UAV), motors number is extended to eight motors. Also, mechanical and electrical subsystems is designed and performed based on the considered Quadrotor. To this end, the robot stability is obtained using the stated controller. Then, this flying robot is tested under the f...Show More
Attitude control of an autonomous octorotor
2014 Second RSI/ISM International Conference on Robotics and Mechatronics (ICRoM)
Year: 2014 | Conference Paper |
Cited by: Papers (3)
In this paper, the design and implementation procedure of an attitude controller on an autonomous Octorotor flying robot is studied. In an autonomous Octorotor flying robot, motors number is increased to eight motors which all of motors set as coaxial and they are installed two by two. In fact, two motors are installed on the four-rotorcraft axis and so, they propel coaxially. Also, the design pro...Show More
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