Behnam Bahrak

Assistant Professor

Bio

Dr. Behnam Bahrak received his B.Sc. and M.Sc. degrees in Electrical Engineering from Sharif University of Technology, Tehran, Iran, in 2006 and 2008, respectively. He earned his Ph.D. in Electrical and Computer Engineering from the Bradley Department of Electrical and Computer Engineering at Virginia Tech in 2013. Dr. Bahrak is currently an Assistant Professor at the Tehran Institute for Advanced Studies (TEIAS). Prior to joining TEIAS, he held a faculty position as Assistant Professor in the Department of Electrical and Computer Engineering at the University of Tehran.

Research Interests

  • Applied Machine Learning
  • Network Science
  • Decentralized Finance
  • Ph.D. in Computer Engineering, Virginia Tech, USA, 2013.

  • M.Sc. in Electrical Engineering, Sharif University of Technology, Iran, 2008.

  • B.Sc. in Electrical Engineering, Sharif University of Technology, Iran, 2006.

  • G. Kalhor, B. Bahrak, Understanding trends, patterns, and dynamics in global company acquisitions: a network perspective, EPJ Data Science, 2024.

  • P. Golshanrad, H. Mahini, B. Bahrak, Proposing a model for predicting passenger origin–destination in online taxi-hailing systems, Public Transport, 2024.

  • Z. Naderi, S.P. Shariatpanahi, B. Bahrak, A novel approach to alleviate wealth compounding in proof-of-stake cryptocurrencies, Peer-to-Peer Networking and Applications, 2024.

  • G. Kalhor, T. Zeraati, B. Bahrak, Diversity dilemmas: uncovering gender and nationality biases in graduate admissions across top North American computer science programs, EPJ Data Science, 2023.

  • T. ShabaniMirzaei, H. Chamani, A. Abaskohi, Z. Sourati, B Bahrak, A large-scale analysis of Persian Tweets regarding Covid-19 vaccination, Social Network Analysis and Mining 13 (1), 2023.

  • M. S. Mahdizadeh, B. Bahrak, M. Sayad Haghighi Decentralizing the lightning network: a score-based recommendation strategy for the autopilot system, Applied Network Science 8 (1), 2023.

  • A. Shojaeinasab, A.P. Motamed, B. Bahrak, Mixing detection on bitcoin transactions using statistical patterns, IET Blockchain 3 (3), 2023.

  • S. Alizadeh, A. Setayesh, A. Mohamadpour, B. Bahrak, A network analysis of the non-fungible token (NFT) market: structural characteristics, evolution, and interactions, Applied Network Science 8 (1), 2023.

  • A. Setayesh, Z. Sourati Hassan Zadeh, B. Bahrak, Analysis of the global trade network using exponential random graph models, Applied Network Science 7 (1), 2022.

  • G. Kalhor, A. Asadi Sarijalou, N. Sharifi Sadr, B. Bahrak, A new insight to the analysis of co-authorship in Google Scholar, Applied Network Science 7 (1), 2022.

  • Z. Sourati Hassan Zadeh, N. Sabri, H. Chamani, B. Bahrak, Quantitative analysis of fanfictions’ popularity, Social Network Analysis and Mining 12 (1), 2022.

  • A. Mokhtari, N. Ghorbani, B. Bahrak, Aggregated traffic anomaly detection using time series forecasting on call detail records, Security and Communication Networks, 2022.

  • F. Ghaffari, B. Bahrak, S.P. Shariatpanahi, A novel approach to partial coverage in wireless sensor networks via the roman dominating set, IET Networks 11 (2), 2022.

  • F. Ghaffari, S.P. Shariatpanahi, M.J. Siavoshani, B. Bahrak, Multi-sender index coding over linear networks, IEEE Communications Letters, 2021.

  • A. Keramatipour, B. Bahrak, Zombie number of the Cartesian product of graphs, Discrete Applied Mathematics 289, 2021.

  • M.S. Mahdizadeh, B. Bahrak, A regression framework for predicting user’s next location using call detail records, Computer Networks 183, 2020.

  • N. Sabri, S. Sadeghian, B. Bahrak, A cross-country study on cultural similarities based on book preferences, Social Network Analysis and Mining 10 (1), 2020.

  • A. Nejadettehad, H. Mahini, B. Bahrak, Short-term demand forecasting for online car-hailing services using recurrent neural networks, Applied Artificial Intelligence 34 (9), 2020.

  • H. Safari, N. Sabri, F. Shahsavan, B. Bahrak, Structural Analysis of GitLab’s Users and Projects Networks, International Journal of Information and Communication Technology Research 12 (2), 2020.

  • M.H. Ansari, V. Tabatab Vakili, B. Bahrak, Evaluation of big data frameworks for analysis of smart grids, Journal of Big Data 6 (1), 2019.

  • A.P. Motamed, B. Bahrak, Quantitative analysis of cryptocurrencies transaction graph, Applied Network Science 4 (1), 2019.

  • M.A. Nia, B. Bahrak, M. Kargahi, B. Fabian, Detecting new generations of threats using attribute-based attack graphs, IET Information Security 13 (4), 2019.

  • M.H. Ansari, V.T. Vakili, B. Bahrak, P. Tavassoli, Graph theoretical defense mechanisms against false data injection attacks in smart grids, Journal of Modern Power Systems and Clean Energy 6 (5), 2018.

  • H. Jannati, E. Ardeshir-Larijani, B. Bahrak, Privacy in cross-user data deduplication, Mobile Networks and Applications, 2018.

  • H. Jannati, B. Bahrak, An improved authentication protocol for distributed mobile cloud computing services, International Journal of Critical Infrastructure Protection 19, 2017.

  • H. Jannati, B. Bahrak, An oblivious transfer protocol based on elgamal encryption for preserving location privacy, Wireless Personal Communications 97 (2), 2017.

  • H. Jannati, B. Bahrak, Security analysis of an RFID tag search protocol, Information Processing Letters 116 (10), 2016.

  • M.M. Tajiki, M.A. Akhaee, B. Bahrak, Improved secure searchable asymmetric encryption for cloud storage services, Computing and Security 2 (3), 2015.

  • J.M. Park, J.H. Reed, A.A. Beex, T.C. Clancy, V. Kumar, B. Bahrak, Security and enforcement in spectrum sharing, Proceedings of the IEEE 102 (3), 2014.

  • B. Bahrak, J.M. Park, Coexistence decision making for spectrum sharing among heterogeneous wireless systems, IEEE Transactions on Wireless Communications 13 (3), 2014.

  • B. Bahrak, J.M. Park, Security of spectrum learning in cognitive radios, SKTelecom Telecommunications Review 22 (6), 2012.

  • B. Bahrak, A. Deshpande, J.M. Park, Spectrum access policy reasoning for policy-based cognitive radios, Computer Networks 56 (11), 2012.

  • B. Bahrak, M.R. Aref, Impossible differential attack on seven-round AES-128, IET Information Security 2 (2), 2008.

  • G. Kalhor, B. Bahrak, Predicting Users’ Demographic Features Based on Searched Queries and Installed Apps and Games, International Computer Conference, Computer Society of Iran (CSICC), 2023.

  • A. Rayegan, A. Shiri, B. Bahrak, A comparative study of machine learning techniques for stock price prediction, Iranian Conference on Signal Processing and Intelligent Systems (ICSPIS), 2022.

  • A. Armin, A. Shiri, B. Bahrak, Comparison of Machine Learning Methods for Cryptocurrency Price Prediction, Iranian Conference on Signal Processing and Intelligent Systems (ICSPIS), 2022.

  • A. Karimi Mamaghan, A. Setayesh, B. Bahrak, Analysis of Address Lifespans in Bitcoin and Ethereum, International Conference on Computer Engineering and Knowledge (ICCKE), 2022.

  • P. Taheri Makhsoos, B. Bahrak, F. Taghiyareh, Designing a High Performance and High-Profit P2P Energy Trading System Using a Consortium Blockchain Network, International Conference on Computer Engineering and Knowledge (ICCKE), 2022.

  • A. Edalat, Y. Yaghoobzadeh, B. Bahrak, AliEdalat at SemEval-2022 Task 4: Patronizing and Condescending Language Detection using Fine-tuned Language Models, BERT+BiGRU, and Ensemble Models, International Workshop on Semantic Evaluation (SemEval), 2022.

  • A. Abbaskohi, A. Rasouli, T. Zeraati, B. Bahrak, UTNLP at SemEval-2022 Task 6: A Comparative Analysis of Sarcasm Detection using Generative-based and Mutation-based Data Augmentation, International Workshop on Semantic Evaluation (SemEval), 2022.

  • N. Sabri, M.M. Mahdizadeh, R. Akhavan, B. Bahrak, Exploring the Similarities of Iranian Influencers with Regards to Content, Relationships and Interactions with Users, International Computer Conference, Computer Society of Iran (CSICC), 2022.

  • D. Golnarian, K. Saedi, B. Bahrak, A Decentralized and Trustless E-voting System Based on Blockchain Technology, International Computer Conference, Computer Society of Iran (CSICC), 2022.

  • K. Bakhshi, B. Bahrak, H. Mahini, Fraud Detection System in Online RideHailing Services, International Conference on Signal Processing and Intelligent Systems (ICSPIS), 2021.

  • H. Chamani, Z. Sourati Hassan Zadeh, B. Bahrak, An Overview of Regression Methods in Early Prediction of Movie Ratings, International Conference on Computer Engineering and Knowledge (ICCKE), 2021.

  • Z. Motaqy, G. Almashaqbeh, B. Bahrak, N. Yazdani, Bet and Attack: Incentive Compatible Collaborative Attacks using Smart Contracts, International Conference on Decision and Game Theory for Security, 2021.

  • N. Sabri, R. Akhavan, B. Bahrak, EmoPars: A Collection of 30K EmotionAnnotated Persian Social Media Texts, Student Research Workshop Associated with RANLP, 2021.

  • A. Salemi, N. Sabri, E. Kebriaei, B. Bahrak, A. Shakery, UTNLP at SemEval-2021 Task 5: A Comparative Analysis of Toxic Span Detection using Attention-based, Named Entity Recognition, and Ensemble Models, International Workshop on Semantic Evaluation (SemEval), 2021.

  • N. Sabri, A. Edalat, B. Bahrak, Sentiment Analysis of Persian-English Codemixed Texts, International Computer Conference, Computer Society of Iran (CSICC), 2021.

  • H. Safari, N. Sabri, F. Shahsavan, B. Bahrak, An Analysis of GitLab’s Users and Projects Networks, International Symposium on Telecommunications (IST), 2020.

  • A. Ullah, S. Bhattarai, J.M. Park, J.H. Reed, D. Gurney, B. Bahrak, Multi-tier Exclusion Zones for Dynamic Spectrum Sharing, IEEE International Conference on Communications (ICC), 2015.

  • B. Bahrak, S. Bhattarai, A. Ullah, J.M. Park, J.H. Reed, D. Gurney, Protecting the Primary Users’ Operational Privacy in Spectrum Sharing, IEEE International Symposium on Dynamic Spectrum Access Networks (DySpAN), 2014.

  • B. Bahrak, J.M. Park, H. Wu, Ontology-based Spectrum Access Policies for Policy-based Cognitive Radios, IEEE International Symposium on Dynamic Spectrum Access Networks (DySpAN), 2012.

  • B. Bahrak, A. Deshpande, M. Whitaker, J.M. Park, Bresap: A Policy Reasoner for Processing Spectrum Access Policies Represented by Binary Decision Diagrams, IEEE International Symposium on Dynamic Spectrum Access Networks (DySpAN), 2010.

  • B. Bahrak, T. Eghlidos, M.R. Aref, Impossible Differential Cryptanalysis of Safer++, International Conference on Security and Management, 2008.

  • B. Bahrak, T. Eghlidos and M.R. Aref, Impossible Differential Cryptanalysis of Crypton, International ISC Conference on Information Security and Cryptology (ISCISC), 2008.

  • B. Bahrak, M.R. Aref, A Novel Impossible Differential Cryptanalysis of AES, Western European Workshop on Research in Cryptology, 2007.

  • Algorithmic Graph Theory

  • Probability and Statistics for Computer Scientists

  • Statistical Inference

  • Introduction to Blockchain and Digital Currencies

  • Data Analytics and Visualization

  • Introduction to Network Security

  • Wireless Communication

  • Advanced Graph Theory

  • Applied Machine Learning

  • Data Visualization

  • Deep Learning