Kaviarasan, R., Ilavendhan, A., Rajakumar, R., Hu, Y. C., & Lo, C. C. (2025). Improved Grasshopper Optimization With Distance Vector Hop Relay Model for Effective NLOS Localization in VANETs. International Journal of Communication Systems (SCIE, IF-1.8), 38(7), e70063.

Vijayaprabakaran, K., Padmanaban, R., Rajakumar, R., Ilavendhan, A., & Vedhapriyavadhana, R. (2025). CUNet-CLSTM: A Novel Fusion of CUNet and CLSTM for Superior Liver Cancer Detection in CT scans. IEEE Access (SCIE, IF-3.4), 2025.

Gayathri, R., Uma, V., Rajakumar, R., Priya, R. V., & Vedhapriyavadhana, R. (2025). Spatio-Temporal and Semantic Enhanced Context-Aware Navigation for Indoor Robots. IEEE Access (SCIE, IF-3.4), 2025.

Sunkavalli, J. P., Ramesh, M., Rajakumar, R., Ravi, V., & Alahmadi, T. J. (2025). A Novel Swarm Optimization Method to Address Coverage Connectivity Problem in Wireless Sensor Networks. International Journal of Sensors, Wireless Communications and Control, 15(2), 107-116.  (Scopus)

Ramakrishnan, A., Rajakumar, R., Ramalingam, P., Ravi, V., Alahmadi, T. J., & Maidin, S. S. (2024). A novel chaotic binary butterfly optimization algorithm based feature selection model for classification of autism spectrum disorder. International Journal of Applied Mathematics and Computer Science (SCIE, IF-1.8), 34(4), 647-660.

Sakthivel, G., Saravanakumar, D., Jegadeeshwaran, R., Rajakumar, R., Manghai, T. A., & Abirami, S. (2024). Development of a Real-Time Fault Detection Model for Hydraulic Brake Systems Using Vibration Analysis and Machine Learning With Wavelet Features. IEEE Access  (SCIE, IF-3.4), 2025.

Henge, S. K., Rajakumar, R., Prasanna, P., Parivazhagan, A., Hu, Y. C., & Chen, W. L. (2024). Multi-layered access control based auto tuning relational key implications in enterprise-level multi-tenancy. Multimedia Tools and Applications (SCIE, IF-3.0), 1-32. DOI: 10.1007/s11042-024-19306-5

Jayalatchumy, D., Rajakumar, R., Balakrishnan, A., Safran, M., & Alfarhood, S. (2024). Improved Crow Search-based Feature Selection and Ensemble Learning for IoT Intrusion Detection. IEEE Access (SCIE, IF-3.8), Vol. 12, 33218–33235. DOI: 10.1109/ACCESS.2024.3372859

Thirugnanasambandam, K., Murugan, J., Rajakumar, R., Rashid, M., Raghav, R.S., Kim, T.H., Sampedro, G.A. and Abisado, M., 2024. Optimizing multimodal feature selection using binary reinforced cuckoo search algorithm for improved classification performance. PeerJ Computer Science (SCIE, IF-3.8), 10, p.e1816. DOI: 10.7717/peerj-cs.1816

Karunanidy, D., Rajakumar, R., Basheer, S., Mahadevan, N., & Rashid, M. (2023). MOJMA: A novel multi-objective optimization algorithm based Java Macaque Behavior Model. AIMS Mathematics, 8(12), 30244-30268. Doi: 10.3934/math.20231545

Gopu, A., Thirugnanasambandam, K., Rajakumar R., AlGhamdi, A. S., Alshamrani, S. S., Maharajan, K., & Rashid, M. (2023). Energy-efficient virtual machine placement in distributed cloud using NSGA-III algorithm. Journal of Cloud Computing, 12(1), 124. Doi: 10.1186/s13677-023-00501-y

Henge, Santosh Kumar, Gitanjali Jayaraman, M. Sreedevi, Rajakumar R, Mamoon Rashid, Sultan S. Alshamrani, Mrim M. Alnfiai, and Ahmed Saeed AlGhamdi. "Secure keys data distribution based user-storage-transit server authentication process model using mathematical post-quantum cryptography methodology." Networks & Heterogeneous Media 18, no. 3 (2023). Doi: 10.3934/nhm.2023057

Henge, S. K., Maheswari, G. U., Rajakumar, R., Alshamrani, S. S., Rashid, M., & Murugan, J. (2023). Dependable and Non-Dependable Multi-Authentication Access Constraints to Regulate Third-Party Libraries and Plug-Ins across Platforms. Systems, 11(5), 262. Doi: 10.3390/systems11050262

Praveena, N., Juneja, K., Rashid, M., Almagrabi, A. O., Sekaran, K., Rajakumar, R., & Usman, M. (2023). Hybrid gated recurrent unit and a convolutional neural network-based deep learning mechanism for efficient shilling attack detection in social networks. Computers and Electrical Engineering, 108, 108673. Doi: 10.1016/j.compeleceng.2023.108673

Rajeswari, M., Rajakumar, R., Basheer, S., Babu, K. S., Rashid, M., & Saranya, R. (2023). Multi-Objective ABC-NM Algorithm for Multi-Dimensional Combinatorial Optimization Problem. Axioms, 12(4), 395. Doi: 10.3390/axioms12040395

Rajagopal, Manikandan, Suvarna Buradagunta, Meshari Almeshari, Yasser Alzamil, Rajakumar R., and Vinayakumar Ravi. "An efficient framework to detect intracranial hemorrhage using hybrid deep neural networks." Brain Sciences 13, no. 3 (2023): 400.. Doi: 10.3390/brainsci13030400

Sethuraman, S. K., Malaiyappan, N., Rajakumar, R., Basheer, S., Rashid, M., & Ahmad, N. (2023). Predicting Alzheimer’s disease using deep neuro-functional networks with resting-state fMRI. Electronics, 12(4), 1031. Doi: 10.3390/electronics12041031

Mageshkumar, N., Swapna, J., Pandiaraj, A., Rajakumar, R., Krichen, M., & Ravi, V. (2023). Hybrid cloud storage system with enhanced multilayer cryptosystem for secure deduplication in cloud. International Journal of Intelligent Networks, 4, 301-309. Doi: 10.1016/j.ijin.2023.11.001

Pazhaniraja, N., Basheer, S., Thirugnanasambandam, K., Rajakumar, R., Rashid, M., & Kalaivani, J. (2023). Multi-objective Boolean grey wolf optimization based decomposition algorithm for high-frequency and high-utility itemset mining. AIMS Math, 8, 18111-18140. Doi: 10.3934/math.2023920

Rajakumar R., B. Saleena, Shakila Basheer, Prakash Balasubramanian, Mamoon Rashid, and Gitanjali Jayaraman. "EECHS-ARO: Energy-efficient cluster head selection mechanism for livestock industry using artificial rabbits optimization and wireless sensor networks." Electronic Research Archive 31, no. 6 (2023): 3123-3144. Doi: 10.3934/era.2023158

Kuppusamy, P., Kumari, N. M. J., Alghamdi, W. Y., Alyami, H., Rajakumar, R., Javed, A. R., & Rashid, M. (2022). Job scheduling problem in fog-cloud-based environment using reinforced social spider optimization. Journal of Cloud Computing, 11(1), 99. Doi: 10.1186/s13677-022-00380-9

Thirugnanasambandam, K., Rajakumar, R., Mohan, D., Rashid, M., Juneja, K., & Alshamrani, S. S. (2022). Patron–Prophet Artificial Bee Colony Approach for Solving Numerical Continuous Optimization Problems. Axioms, 11(10), 523. Doi: 10.3390/axioms11100523

Rajakumar, R., Karunanidy, D., Alshamrani, S. S., Rashid, M., Mathumohan, S., & Dumka, A. (2022). Oppositional Pigeon-Inspired Optimizer for Solving the Non-Convex Economic Load Dispatch Problem in Power Systems. Mathematics, 10(18), 3315. Doi: 10.3390/math10183315

Rajakumar, R., Muniyan, R., Dumka, A., Singh, D. P., Mohamed, H. G., Singh, R., ... & Noya, I. D. (2022). Routing protocol for MANET based on QoS-aware service composition with dynamic secured broker selection. Electronics, 11(17), 2637. Doi: 10.3390/electronics11172637

Rajakumar, R., Karunanidy, D., Balakrishnan, A., Rashid, M., Dumka, A., Afifi, A., & Alshamrani, S. S. (2022). OGWO-CH: Hybrid Opposition-Based Learning with Gray Wolf Optimization Based Clustering Technique in Wireless Sensor Networks. Electronics, 11(16), 2593. Doi: 10.3390/electronics11162593

Muniyan, R., Rajakumar, R., Alshamrani, S. S., Gangodkar, D., Dumka, A., Singh, R., & Rashid, M. (2022). Artificial bee colony algorithm with Nelder–Mead method to solve nurse scheduling problem. Mathematics, 10(15), 2576. Doi: 10.3390/math10152576

Sudhakar, T., Sambath Kumar, S., Ravi, V., Rajakumar, R., & Dua, S. (2022). Neighborhood rough set‐based route selection for mobile ad hoc networks. International Journal of Communication Systems, 35(11), e5178. Doi: 10.1002/dac.5178 

Dhiman, Pooja, Santosh Kumar Henge, Rajakumar R., Ankur Dumka, Rajesh Singh, Anita Gehlot, Mamoon Rashid, Sultan S. Alshamrani, Ahmed Saeed AlGhamdi, and Abdullah Alshehri. "Secure Token–Key Implications in an Enterprise Multi-Tenancy Environment Using BGV–EHC Hybrid Homomorphic Encryption." Electronics 11, no. 13 (2022): 1942. Doi: 10.3390/electronics11131942

Dua, Sakshi, Sethuraman Sambath Kumar, Yasser Albagory, Rajakumar R, Ankur Dumka, Rajesh Singh, Mamoon Rashid, Anita Gehlot, Sultan S. Alshamrani, and Ahmed Saeed AlGhamdi. "Developing a speech recognition system for recognizing tonal speech signals using a convolutional neural network." Applied Sciences 12, no. 12 (2022): 6223. Doi: 10.3390/app12126223

Karunanidy, Dinesh, Rajakumar R., Ankur Dumka, Rajesh Singh, Ibrahim Alsukayti, Divya Anand, Habib Hamam, and Muhammad Ibrahim. "An intelligent optimized route-discovery model for IoT-based VANETs." Processes 9, no. 12 (2021): 2171. Doi: 10.3390/pr9122171

Rajakumar, R., Sekaran, K., Hsu, C. H., & Kadry, S. (2021). Accelerated grey wolf optimization for global optimization problems. Technological Forecasting and Social Change, 169, 120824. Doi: 10.1016/j.techfore.2021.120824

Rajakumar, R., Dinesh, K., & Vengattaraman, T. (2021). An energy-efficient cluster formation in wireless sensor network using grey wolf optimisation. International Journal of Applied Management Science, 13(2), 124-140. Doi: 10.1504/IJAMS.2021.116496

Dinesh, K., Rajakumar, R., & Subramanian, R. (2021). Self-organisation migration technique for enhancing the permutation coded genetic algorithm. International Journal of Applied Management Science, 13(1), 15-36.. Doi: 10.1504/IJAMS.2021.113372

Sekaran, K., Rajakumar, R., Dinesh, K., Rajkumar, Y., Latchoumi, T. P., Kadry, S., & Lim, S. (2020). An energy-efficient cluster head selection in wireless sensor network using grey wolf optimization algorithm. TELKOMNIKA (Telecommunication Computing Electronics and Control), 18(6), 2822–2833. Doi: 10.12928/telkomnika.v18i6.15199

Rajakumar, R., Dinesh, K., Dumka, A., & Jayakumar, L. (2020). RFA Reinforced Firefly Algorithm to Identify Optimal Feature Subsets for Network IDS. International Journal of Grid and High Performance Computing (IJGHPC), 12(3), 68–87. Doi: 10.4018/IJGHPC.2020070105

Muthukumaran, S., Rajakumar, R., & Dinesh, K. Clustering With Classification Based Identification On Diabetics Disease To Avoid Blindness In Early Stage. vol. 09, no. 02, 2020. Doi: 10.1504/IJAMS.2021.116496

Dinesh, K., Amudhavel, J., Rajakumar, R., Dhavachelvan, P., & Subramanian, R. (2020). A novel self-organisation model for improving the performance of permutation coded genetic algorithm. International Journal of Advanced Intelligence Paradigms, 17(3-4), 299-322. Doi: 10.1504/IJAIP.2020.109512

Rajakumar, R., Sivanandakumar, D., Uthayakumar, J., Vengattaraman, T., & Dinesh, K. (2020). Optimal parameter tuning for PID controller using accelerated grey wolf optimisation in smart sensor environments. Electronic Government, an International Journal, 16(1-2), 170-189. Doi: 10.1504/EG.2020.105237

Rajakumar, R., Amudhavel, J., Dhavachelvan, P., & Vengattaraman, T. (2017). GWO-LPWSN: Grey wolf optimization algorithm for node localization problem in wireless sensor networks. Journal of computer networks and communications, 2017, 1-10. Doi: 10.1155/2017/7348141