Research Interest
Open Source Software (OSS) Malicious Detection, Vulnerability Detection
Personalized Itinerary Recommendation,
Deep Learning, Reinforcement Learning,
Periodic Behavior Mining in Large Scale Graph,
Trajectory Behavior Analysis and
Sentiment Analysis from Social Media Networks.
Publications
PhD Thesis
Sajal Halder, Itinerary Recommendation based on Deep Learning, RMIT University, 2022
Journals:
[J15] Sajal Halder, Md Rafiqul Islam, Quazi Mamun, Arash Mahboubi, Patrick Walsh, Md Zahidul Islam. A Comprehensive Survey on AI-enabled Secure Social Industrial Internet of Things in the Agri-Food Supply Chain, In Journal of Smart Agricultural Technology, Q1 Ranked Journal, (Impact Factor: 6.3), Publisher: Elsevier.
[J14] Sajal Halder, Kwan Hui Lim, Jeffrey Chan, and Xiuzhen Zhang. Deep learning of dynamic POI generation and optimisation for itinerary recommendation. In ACM Transaction on Recommendation Systems, 2025. Publisher: ACM. [Source Code]
[J13] M.A. Talukder, M. Khalid, M. Kazi, N.J. Muna, M. Nur-e Alam, Sajal Halder, N. Sultana. A hybrid cardiovascular arrhythmia disease detection using convnext-x models on electrocar-diogram signals. Scientific Reports, Q1 Ranked Journal (Impact Factor:3.8), 2024.
[J12] Sajal Halder, Nahina Islam, Biplob Ray, Elizabeth Andrews, Pushpika Hettiarachchi, Emma Jackson. AI-based seagrass morphology measurement. In Journal of Environmental Management, pages 122246, 2024, Q1 Ranked Journal, (Impact Factor: 8.0). Publisher: Elsevier. [Source Code]
[J11] Sajal Halder, Kwan Hui Lim, Jeffrey Chan, and Xiuzhen Zhang. A survey on personalized itinerary recommendation: From optimisation to deep learning. In Applied Soft Computing Journal, pages 111200, 2024, Q1 Ranked Journal, (Impact Factor: 8.7). Publisher: Elsevier.
[J10] Sajal Halder, Kwan Hui Lim, Jeffrey Chan, and Xiuzhen Zhang. Capacity-aware fair POI recommendation combining transformer neural networks and resource allocation policy. In Applied Soft Computing Journal, pages 110720, 2023, Q1 Ranked Journal, (Impact Factor: 8.7). Publisher: Elsevier. [Source Code]
[J9] Sajal Halder, Kwan Hui Lim, Jeffrey Chan, and Xiuzhen Zhang. POI Recommendation with Queuing Time and User Interest Awareness. In the Journal of Data Mining and Knowledge Discovery, 2022. Q1 ranked Journal, (Impact Factor -5.406 ), Publisher: Springer, [Source Code]
[J8] Sajal Halder, Kwan Hui Lim, Jeffrey Chan, and Xiuzhen Zhang. Efficient Itinerary Recommendation via Personalised POI Selection and Pruning. In the Journal of Knowledge and Information Systems, 2022. Q1 ranked Journal, (Impact Factor -2.822), Publisher: Springer, [Source Code]
[J7] Sajal Halder, Md. Samiullah and Young-Koo Lee. Supergraph based Periodic Pattern Mining in Dynamic Social Networks. In the journal of Expert Systems With Applications, pages 430-442, 2017. Q1 ranked Journal, (Impact Factor -6.954), Publisher: Elsevier. [Source Code]
[J6] Iram Fatima, Sajal Halder, Muhammad Aamir Saleem, Rabia Batool, Muhammad Fahim, YoungKoo Lee, Sungyoung Lee. Smart CDSS: Integration of Social Media Interaction Engine (SMIE) in Healthcare for Chronic Disease Patients. Multimedia Tools and Applications, pages 1-21, 2013, Q1 ranked Journal, (IF - 1.53), Publisher: Springer.
[J5] MS Rahman, Sajal Halder, MA Uddin, UK Acharjee, An efficient hybrid system for anomaly detection in social networks. In Cybersecurity, 2021, Volume 4, Pages 1-11, Publisher: Springer.
[J4] Tanvir Ahammad, Md Khabir Uddin, Tamanna Yesmin, Abdul Karim, Sajal Halder, Md Mahmudul Hasan, Identification of Abusive Behavior Towards Religious Beliefs and Practices on Social Media Platforms. In International Journal of Advanced Computer Science and Applications, Vol. 12, No. 6, 2021.
[J3] Yongkoo Han, Kisung Park, Donghai Guan, Sajal Halder, and Young-Koo Lee. Topological Similarity based Feature Selection for Graph Classification. In the Computer Journal, bxt123, 2013, Q2 ranked Journal, (IF -0.711), Publisher: Oxford University Press.
[J2] Md. Rezaul Karim, Sajal Halder , Byeong-Soo Jeong, and Ho-Jin Choi. Efficient Mining Frequently correlated Associated-correlated and Independent Patterns Synchronously by Null Transaction. Human Centric Technology and Service in Smart Space,LNEE 182, v.182, no.0, pp.93-103, Publisher: Springer.
[J1] Sajal Halder, Yongkoo Han and Young-Koo Lee. Discovering Periodic Patterns using Supergraph in Dynamic Networks. Publisher: RNIS.
Conferences:
[C18] Sajal Halder, Muhammad Ejaz Ahmed and Seyit Camtepe, FuncVul: An Effective Function Level Vulnerability Detection Model using LLM and Code Chunk, In The 30th European Symposium on Research in Computer Security (ESORICS), 2025. Core Rank: A [Source Code]
[C17] Yinhao Jiang, Michael Bewong, Arash Mahboubi, Sajal Halder, Rafiqul Islam, Md Zahidul Islam, Ryan HL Ip, Praveen Gauravaram, Jason Xue. A Graph-Based Approach for Software Functionality Classification on the Web. International Conference on Web Information Systems Engineering, 2024. Core Rank: B.
[C16] Sajal Halder ,M. Bewong, A. Mahboubi, Y. Jiang, R. Islam, MD Zahid Islam, R. I. H. Leung, E. Ahmed, G. Ramachandran, and A. Babar, “Malicious package detection using metadata information,” In The Web Conference 2024. Core Rank: A* , Publisher: ACM
[C15] Sajal Halder, Jeffrey Chan, Xiuzhen Zhang and Kwan Hui Lim, Transformer-based Multi-task Learning for Queuing Time Aware Next POI Recommendation, In 25th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD-2021), May 11-14, 2021, Delhi, India. Core Rank: A (2021).
[C14] Tanvir Ahammad, Md Khabir Uddin, Abdul Karim and Sajal Halder, A Framework for Detecting and Tracking Religious Abuse in Social Media. In International Conference on Computing, Power and Communication Technologies (GUCON2019), New Delhi, India, Publisher: IEEE.
[C13] Md. Al-Amin, Md. Amirul Islam, Sajal Halder, Md. Ashraf Uddin and Uzzal Kumar Acharjee. An Efficient Sentiment Mining Approach on Social Media Networks. In International Conference on Emerging Technologies in Data Mining and Information Security (IEMIS2018), Kolkata, India, Publisher: Springer.
[C12] Md Ashraf Uddin, Mahmudul Hasan, Sajal Halder, Sajeeb Ahamed and Uzzal Kumar Acharjee. CRICRATE: A Cricket Match Conduction and Player Evaluation Framework. In International Conference on Emerging Technologies in Data Mining and Information Security (IEMIS2018), Kolkata, India, Publisher: Springer.
[C11] Md. Amirul Islam, Sajal Halder and Uzzal Kumar Acharjee and Md Ashraf Uddin. Periodic Activity Monitoring Using Radio Frequency Tag Arrays. In International Conference on Computer, Communication, Chemical, Material and Electronic Engineering (IC4ME2-2018), Bangladesh, Publisher: IEEE.
[C10] Md. Shahriare Satu, Farzana Tasnim, Tania Akter and Sajal Halder. Exploring Significant Heart Disease Factors based on Semi Supervised Learning Algorithms. International Conference on Computer, Communication, Chemical, Material and Electronic Engineering (IC4ME2-2018) Bangladesh, Publisher: IEEE.
[C9] Md. Shafiur Rahman, Leema Rani Dey, Sajal Halder, Md. Ashraf Uddin and Manowarul Islam. Link prediction by correlation on social network. 20th International Conference of Computer and Information Technology (ICCIT), Bangaldesh, 2017, Publisher: IEEE
[C8] Juthi Kundu, Supriya Debi, Saleh Ahmed and Sajal Halder. Smart E-Agriculture Monitoring System: Case Study of Bangladesh. In 4th International Conference on Advances in Electrical Engineering (ICAEE), 2017, Publisher: IEEE.
[C7] Md. Fahim Sikder, Sajal Halder, Tanvir Hasan, Md. Jamal Uddin and Mrinal Kanti Baowaly. Smart Disaster Notification System. In 4th International Conference on Advances in Electrical Engineering (ICAEE), 2017, Publisher: IEEE.
[C6] Milon Talukder, Md. Moshiur Rahman, Md. Jamal Uddin and Sajal Halder. Novel Recommendation Systems in Social Networks. In the 2017 IEEE International Conference on Imaging, Vision & Pattern Recognition (icIVPR), University of Dhaka, Bangladesh. Publisher: IEEE.
[C5] Ratul Sikder and Md. Jamal Uddin and Sajal Halder. An Efficient Approach of Identifying Tourist by Call Detail Record Analysis. In International Workshop on Computational Intelligence (IWCI 2016). Bangladesh. 2016.
[C4] Md. Fahim Sikder, Md. Jamal Uddin and Sajal Halder. Predicting Students Yearly Performance using Neural Network: A Case Study of BSMRSTU. In the 5th International Conference on Informatics, Electronics & Vision (ICIEV), Bangladesh, 2016.
[C3] Sajal Halder, Md. Hanif Seddiqui and Young-Koo Lee. An Entertainment Recommendation System using the Dynamics of User Behavior over Time. 17th International Conference and Information Technology (ICCIT), Bangladesh, 2014. Publisher: IEEE
[C2] Sajal Halder, A. M. Jehad Sarkar and Young-Koo Lee. Movie Recommendation System Based on Movie Swarm. In Second International Conference on Cloud and Green Computing (CGC), China, 2012, Publisher: IEEE.
[C1] Sajal Halder, Md. Samiullah, A. M. Jehad Sarkar and Young-Koo Lee. MovieSwarm: Information Mining technique for Movie Recommendation System. In the 7th International Conference on Electrical and Computer Engineering (ICECE), Bangladesh, 2012, Publisher: IEEE.