Helia Farhood

Dr. Helia Farhood


Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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18 November 2025 in Discover Artificial Intelligence
Verified
Journal Article
Open access
HFHelia Farhood
Helia Farhood
MNMagnus Nyden
Magnus Nyden
ABAmin Beheshti
Amin Beheshti
SMSamuel Muller
Samuel Muller

15 July 2024 in Informatics
Verified
Journal Article
Open access
PDF file
HFHelia Farhood
Helia Farhood
Ibrahim JoudahIbrahim Joudah
Ibrahim Joudah
ABAmin Beheshti
Amin Beheshti
SMSamuel Muller
Samuel Muller
Predicting student outcomes is an essential task and a central challenge among artificial intelligence-based personalised learning applications. Despite several studies exploring student performance prediction, there is a notable lack of comprehensive and comparative research that methodically evaluates and compares multiple machine learning models alongside deep learning architectures. In response, our research provides a comprehensive comparison to evaluate and improve ten different machine learning and deep learning models, either well-established or cutting-edge techniques, namely, random forest, decision tree, support vector machine, K-nearest neighbours classifier, logistic regression, linear regression, and state-of-the-art extreme gradient boosting (XGBoost), as well as a fully connected feed-forward neural network, a convolutional neural network, and a gradient-boosted neural network. We implemented and fine-tuned these models using Python 3.9.5. With a keen emphasis on prediction accuracy and model performance optimisation, we evaluate these methodologies across two benchmark public student datasets. We employ a dual evaluation approach, utilising both k-fold cross-validation and holdout methods, to comprehensively assess the models’ performance. Our research focuses primarily on predicting student outcomes in final examinations by determining their success or failure. Moreover, we explore the importance of feature selection using the ubiquitous Lasso for dimensionality reduction to improve model efficiency, prevent overfitting, and examine its impact on prediction accuracy for each model, both with and without Lasso. This study provides valuable guidance for selecting and deploying predictive models for tabular data classification like student outcome prediction, which seeks to utilise data-driven insights for personalised education.

2 March 2023 in Algorithms
Verified
Journal Article
Open access
PDF file
FLFariba Lotfi
Fariba Lotfi
ABAmin Beheshti
Amin Beheshti
HFHelia Farhood
Helia Farhood
MPMatineh Pooshideh
Matineh Pooshideh
MJMansour Jamzad
Mansour Jamzad
HBHamid Beigy
Hamid Beigy
In our digital age, data are generated constantly from public and private sources, social media platforms, and the Internet of Things. A significant portion of this information comes in the form of unstructured images and videos, such as the 95 million daily photos and videos shared on Instagram and the 136 billion images available on Google Images. Despite advances in image processing and analytics, the current state of the art lacks effective methods for discovering, linking, and comprehending image data. Consider, for instance, the images from a crime scene that hold critical information for a police investigation. Currently, no system can interactively generate a comprehensive narrative of events from the incident to the conclusion of the investigation. To address this gap in research, we have conducted a thorough systematic literature review of existing methods, from labeling and captioning to extraction, enrichment, and transforming image data into contextualized information and knowledge. Our review has led us to propose the vision of storytelling with image data, an innovative framework designed to address fundamental challenges in image data comprehension. In particular, we focus on the research problem of understanding image data in general and, specifically, curating, summarizing, linking, and presenting large amounts of image data in a digestible manner to users. In this context, storytelling serves as an appropriate metaphor, as it can capture and depict the narratives and insights locked within the relationships among data stored across different islands. Additionally, a story can be subjective and told from various perspectives, ranging from a highly abstract narrative to a highly detailed one.

7 October 2024 in ACM Computing Surveys
Verified
Journal Article
Open access
MPMatineh Pooshideh
Matineh Pooshideh
ABAmin Beheshti
Amin Beheshti
YQYuankai Qi
Yuankai Qi
HFHelia Farhood
Helia Farhood
MSMike Simpson
Mike Simpson
MSMehdi Soltany
Mehdi Soltany
Identity authentication is the process of verifying one’s identity. Many identity authentication methods have been developed, from the conventional username-password systems to the recent electroencephalography-based authentication. Among them, biometric authentication shows particular importance due to its convenience and wide application in real-world scenarios. Face recognition is one of the most widely used biometric authentication methods, but simultaneously it receives various attacks. To overcome attacks, face presentation attack detection has been intensively studied in the last two decades regarding diverse domains of datasets, evaluation methods, and attack types. In this systematic literature review, we identify and categorise the state-of-the-art approaches in each domain to cover the challenges and solutions in a single place. We provide comparisons of representative methods on widely used datasets, discuss their pros and cons, and hope our insights can inspire future works.

17 September 2024 in Computers and Education: Artificial Intelligence
Verified
Journal Article
Open access
HFHelia Farhood
Helia Farhood
IJIbrahim Joudah
Ibrahim Joudah
ABAmin Beheshti
Amin Beheshti
SMSamuel Muller
Samuel Muller

20 March 2023 in AppliedMath
Verified
Journal Article
Open access
PDF file
NSNasrin Shabani
Nasrin Shabani
ABAmin Beheshti
Amin Beheshti
HFHelia Farhood
Helia Farhood
MBMatt Bower
Matt Bower
MGMichael Garrett
Michael Garrett
HRHamid Rokny
Hamid Rokny
Numerous studies have established a correlation between creativity and intrinsic motivation to learn, with creativity defined as the process of generating original and valuable ideas, often by integrating perspectives from different fields. The field of educational technology has shown a growing interest in leveraging technology to promote creativity in the classroom, with several studies demonstrating the positive impact of creativity on learning outcomes. However, mining creative thinking patterns from educational data remains a challenging task, even with the proliferation of research on adaptive technology for education. This paper presents an initial effort towards formalizing educational knowledge by developing a domain-specific Knowledge Base that identifies key concepts, facts, and assumptions essential for identifying creativity patterns. Our proposed pipeline involves modeling raw educational data, such as assessments and class activities, as a graph to facilitate the contextualization of knowledge. We then leverage a rule-based approach to enable the mining of creative thinking patterns from the contextualized data and knowledge graph. To validate our approach, we evaluate it on real-world datasets and demonstrate how the proposed pipeline can enable instructors to gain insights into students’ creative thinking patterns from their activities and assessment tasks.