Browsing by Author "Alhajj, Reda"
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Achieving sustainable development resilience: Poverty reduction through affordable access to electricity in developing economies
Asghar, Nabila; Amjad, Muhammad Asif; Rehman, Hafeez ur; Munir, Mubbasher; Alhajj, Reda (Elsevier Ltd, 2022)Energy is indispensable to bringing off the growing human demand, and it is a challenging global issue to achieve sustainable development goals by using clean energy. The present study evaluates whether access to electricity ... -
Analysis and prediction in sparse and high dimensional text data: The case of Dow Jones stock market
Sert, Onur Can; Şahin, Salih Doruk; Özyer, Tansel; Alhajj, Reda (Elsevier B.V., 2020)In this research, we proposed a text analysis system to predict stock market movements using news and social media data. It is a scalable prediction system for sparse and high dimensional feature sets. Using the developed ... -
Approaches for early detection of glaucoma using retinal images: A performance analysis
Sarhan, Abdullah; Rokne, Jon; Alhajj, Reda (Springer Science and Business Media Deutschland GmbH, 2020)Sight is one of the most important senses for humans, as it allows them to see and explore their surroundings. Multiple ocular diseases damaging sight have been detected over the years such as glaucoma and diabetic ... -
Automation of active reconnaissance phase: An automated API-based port and vulnerability scanner
Malkawi, Malek; Özyer, Tansel; Alhajj, Reda (Association for Computing Machinery, Inc, 2021)The unprecedented growth in technology has increased the importance of the required information security that is still hard to be reached. Recently, network and web application attacks have occurred frequently, causing ... -
Brain tumor detection and segmentation: Interactive framework with a visual interface and feedback facility for dynamically improved accuracy and trust
Sailunaz, Kashfia; Beştepe, Deniz; Alhajj, Sleiman; Özyer, Tansel; Rokne, Jon; Alhajj, Reda (Public Library of Science, 2023)Brain cancers caused by malignant brain tumors are one of the most fatal cancer types with a low survival rate mostly due to the difficulties in early detection. Medical professionals therefore use various invasive and ... -
BreCaHAD: A dataset for breast cancer histopathological annotation and diagnosis
Aksaç, Alper; Demetrick, Douglas J.; Özyer, Tansel; Alhajj, Reda (BioMed Central Ltd., 2019)Objectives: Histopathological tissue analysis by a pathologist determines the diagnosis and prognosis of most tumors, such as breast cancer. To estimate the aggressiveness of cancer, a pathologist evaluates the microscopic ... -
CACTUS: cancer image annotating, calibrating, testing, understanding and sharing in breast cancer histopathology
Aksaç, Alper; Özyer, Tansel; Demetrick, Douglas J.; Alhajj, Reda (NLM (Medline), 2020)OBJECTIVE: Develop CACTUS (cancer image annotating, calibrating, testing, understanding and sharing) as a novel web application for image archiving, annotation, grading, distribution, networking and evaluation. This helps ... -
Causes of higher ecological footprint in Pakistan: Does energy consumption contribute? Evidence from the non-linear ARDL model
Asghar, Nabila; Amjad, Muhammad Asif; Rehman, Hafeez ur; Munir, Mubbasher; Alhajj, Reda (MDPI, 2023)The impact of human activities on environmental degradation has been increasing over time, and ecological footprint measures the impact of human activities on the environment. An increase in ecological footprint has created ... -
Classes versus communities: Outlier detection and removal in tabular datasets via social network analysis (ClaCO)
Üçer, Serkan; Özyer, Tansel; Alhajj, Reda (Institute of Electrical and Electronics Engineers Inc., 2023)In this research, we introduce a model to detect inconsistent & anomalous samples in tabular labeled datasets which are used in machine learning classification tasks, frequently. Our model, abbreviated as the ClaCO (Classes ... -
A comparative study of different pre-trained deeplearning models and custom CNN for pancreatic tumor detection
Zavalsız, Muhammed Talha; Alhajj, Sleiman; Sailunaz, Kashfia; Özyer, Tansel; Alhajj, Reda (Zarka Private University, 2023)Artificial Intelligence and its sub-branches like MachineLearning (ML) and Deep Learning (DL) applications have the potential to have positive effects that can directly affect human life. Medical imaging is briefly making ... -
Convex hull in brain tumor segmentation
Sailunaz, Kashfia; Beştepe, Deniz; Alhajj, Sleiman; Özyer, Tansel; Rokne, Jon; Alhajj, Reda (Springer Science and Business Media Deutschland GmbH, 2022)Tumors are the second leading cause of death. Among the tumors, brain tumors constitute one of the most complex tumor categories with a high mortality rate. Therefore, brain tumor detection and segmentation from non-invasive ... -
Creating a learning profile by using face and emotion recognition
The aim of this work is to employ face recognition for creating learning profiles of the analysed persons who are students in this study. Generating education profiles will help experts in the diagnosis of Attention Deficit ... -
Crowd behavior modeling in emergency evacuation scenarios using belief-desire-intention model
Şahin, Coşkun; Alhajj, Reda (Springer International Publishing AG, 2020)... -
CutESC: Cutting edge spatial clustering technique based on proximity graphs
Aksaç, Alper; Özyer, Tansel; Alhajj, Reda (Elsevier, 2019)In this paper, we propose a cut-edge algorithm for spatial clustering (CutESC) based on proximity graphs. The CutESC algorithm removes edges when a cut-edge value for the edge's endpoints is below a threshold. The cut-edge ... -
Data on cut-edge for spatial clustering based on proximity graphs
Aksaç, Alper; Özyer, Tansel; Alhajj, Reda (Elsevier, 2020)Cluster analysis plays a significant role regarding automating such a knowledge discovery process in spatial data mining. A good clustering algorithm supports two essential conditions, namely high intra-cluster similarity ... -
Detecting and understanding sentiment trends and emotion patterns of twitter users-a study on the demise of a bollywood celebrity
Marouf, Ahmed Al; Rokne, Jon G. G.; Alhajj, Reda (MDPI, 2022)Detecting societal sentiment trends and emotion patterns is of great interest. Due to the time-varying nature of these patterns and trends this detection can be a challenging task. In this paper, the emotion patterns and ... -
Detecting spam tweets using machine learning and effective preprocessing
Kardaş, Berk; Bayar, İsmail Erdem; Özyer, Tansel; Alhajj, Reda (Association for Computing Machinery, Inc, 2021)Nowadays, with the rapid increase in popularity of online social networks (OSNs), these platforms are realized as ideal places for spammers. Unfortunately, these spammers can easily publish malicious content, advertise ... -
Detection of multistage Alzheimer from 4D FMRI data using deep learning
Ali, Nawazish (İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)The application of machine learning techniques, which significantly improve the recognition of patterns in biomedical data, such as drug delivery systems and medical imaging, has emerged as one of the most important methods ... -
Driver drowsiness detection by employing CNN and DLIB
Nawazish, Ali; Imran, Hassan; Özyer, Tansel; Alhajj, Reda (IEEE (Institute of Electrical and Electronics Engineers), 2021)Every year thousands of people lose their life due to road accidents. One of the main reasons for these accidents is driver drowsiness. In driver drowsiness, the driver slept while driving, which causes the road accident, ... -
Early warning system: from face recognition by surveillance cameras to social media analysis to detecting suspicious people
Afra, Salim; Alhajj, Reda (Elsevier B.V., 2020)Surveillance security cameras are increasingly deployed in almost every location for monitoring purposes, including watching people and their actions for security purposes. For criminology, images collected from these ...
