Chen Hajaj

According to our database, Chen Hajaj authored at least 51 papers between 2013 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Measuring flight-destination similarity: A multidimensional approach.

Anat Goldstein, Chen Hajaj

Expert Syst. Appl., March, 2024

OSF-EIMTC: An open-source framework for standardized encrypted internet traffic classification.

Ofek Bader, Adi Lichy, Amit Dvir, Ran Dubin, Chen Hajaj

Comput. Commun., January, 2024

The art of time-bending: Data augmentation and early prediction for efficient traffic classification.

Chen Hajaj, Porat Aharon, Ran Dubin, Amit Dvir

Expert Syst. Appl., 2024

Cloudy with a Chance of Anomalies: Dynamic Graph Neural Network for Early Detection of Cloud Services' User Anomalies.

Revital Marbel, Yanir Cohen, Ran Dubin, Amit Dvir, Chen Hajaj

CoRR, 2024

Enhancing Encrypted Internet Traffic Classification Through Advanced Data Augmentation Techniques.

Yehonatan Zion, Porat Aharon, Ran Dubin, Amit Dvir, Chen Hajaj

CoRR, 2024

Few-Shot API Attack Detection: Overcoming Data Scarcity with GAN-Inspired Learning.

Udi Aharon, Revital Marbel, Ran Dubin, Amit Dvir, Chen Hajaj

CoRR, 2024

Few-Shot API Attack Anomaly Detection in a Classification-by-Retrieval Framework.

Udi Aharon, Ran Dubin, Amit Dvir, Chen Hajaj

CoRR, 2024

CBR - Boosting Adaptive Classification By Retrieval of Encrypted Network Traffic with Out-of-distribution.

Amir Lukach, Ran Dubin, Amit Dvir, Chen Hajaj

CoRR, 2024

Extending limited datasets with GAN-like self-supervision for SMS spam detection.

Or Haim Anidjar, Revital Marbel, Ran Dubin, Amit Dvir, Chen Hajaj

Comput. Secur., 2024

Warm Recommendation: Enhancing Cold Start Recommendations Using Multimodal Product Representations.

Anat Goldstein, Amit Alony, Chen Hajaj

Proceedings of the 45th International Conference on Information Systems, 2024

Hidden in Time, Revealed in Frequency: Spectral Features and Multiresolution Analysis for Encrypted Internet Traffic Classification.

Nathan Dillbary, Roi Yozevitch, Amit Dvir, Ran Dubin, Chen Hajaj

Proceedings of the 21st IEEE Consumer Communications & Networking Conference, 2024

2023

Breaking the structure of MaMaDroid.

Harel Berger, Amit Dvir, Enrico Mariconti, Chen Hajaj

Expert Syst. Appl., October, 2023

Speech and multilingual natural language framework for speaker change detection and diarization.

Or Haim Anidjar, Yannick Estève, Chen Hajaj, Amit Dvir, Itshak Lapidot

Expert Syst. Appl., 2023

When a RF beats a CNN and GRU, together - A comparison of deep learning and classical machine learning approaches for encrypted malware traffic classification.

Adi Lichy, Ofek Bader, Ran Dubin, Amit Dvir, Chen Hajaj

Comput. Secur., 2023

2022

The hidden conversion funnel of mobile vs. desktop consumers.

Anat Goldstein, Chen Hajaj

Electron. Commer. Res. Appl., 2022

Open-Source Framework for Encrypted Internet and Malicious Traffic Classification.

Ofek Bader, Adi Lichy, Amit Dvir, Ran Dubin, Chen Hajaj

CoRR, 2022

Problem-Space Evasion Attacks in the Android OS: a Survey.

Harel Berger, Chen Hajaj, Amit Dvir

CoRR, 2022

Do You Think You Can Hold Me? The Real Challenge of Problem-Space Evasion Attacks.

Harel Berger, Amit Dvir, Chen Hajaj, Rony Ronen

CoRR, 2022

A Rotating Proposer Mechanism for Team Formation.

Jian Low, Chen Hajaj, Yevgeniy Vorobeychik

CoRR, 2022

MaMaDroid2.0 - The Holes of Control Flow Graphs.

Harel Berger, Chen Hajaj, Enrico Mariconti, Amit Dvir

CoRR, 2022

Crystal Ball: From Innovative Attacks to Attack Effectiveness Classifier.

Harel Berger, Chen Hajaj, Enrico Mariconti, Amit Dvir

IEEE Access, 2022

SimCSE for Encrypted Traffic Detection and Zero-Day Attack Detection.

Rotem Bar, Chen Hajaj

IEEE Access, 2022

MalDIST: From Encrypted Traffic Classification to Malware Traffic Detection and Classification.

Ofek Bader, Adi Lichy, Chen Hajaj, Ran Dubin, Amit Dvir

Proceedings of the 19th IEEE Annual Consumer Communications & Networking Conference, 2022

2021

Hybrid Speech and Text Analysis Methods for Speaker Change Detection.

Or Haim Anidjar, Itshak Lapidot, Chen Hajaj, Amit Dvir, Issachar Gilad

IEEE ACM Trans. Audio Speech Lang. Process., 2021

Robust coordination in adversarial social networks: From human behavior to agent-based modeling.

Chen Hajaj, Zlatko Joveski, Sixie Yu, Yevgeniy Vorobeychik

Netw. Sci., 2021

A Thousand Words are Worth More Than One Recording: <i>Word-Embedding</i> Based Speaker Change Detection.

Or Haim Anidjar, Itshak Lapidot, Chen Hajaj, Amit Dvir

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

PCL: Packet Classification with Limited Knowledge.

Vitalii Demianiuk, Chen Hajaj, Kirill Kogan

Proceedings of the 40th IEEE Conference on Computer Communications, 2021

2020

Less is More: Robust and Novel Features for Malicious Domain Detection.

Chen Hajaj, Nitay Hason, Nissim Harel, Amit Dvir

CoRR, 2020

A Thousand Words are Worth More Than One Recording: NLP Based Speaker Change Point Detection.

Or Haim Anidjar, Chen Hajaj, Amit Dvir, I. Gilad

CoRR, 2020

When the Guard failed the Droid: A case study of Android malware.

Harel Berger, Chen Hajaj, Amit Dvir

CoRR, 2020

Encrypted video traffic clustering demystified.

Amit Dvir, Angelos K. Marnerides, Ran Dubin, Nehor Golan, Chen Hajaj

Comput. Secur., 2020

Robust Malicious Domain Detection.

Nitay Hason, Amit Dvir, Chen Hajaj

Proceedings of the Cyber Security Cryptography and Machine Learning, 2020

Evasion Is Not Enough: A Case Study of Android Malware.

Harel Berger, Chen Hajaj, Amit Dvir

Proceedings of the Cyber Security Cryptography and Machine Learning, 2020

2019

Improving Robustness of ML Classifiers against Realizable Evasion Attacks Using Conserved Features.

Liang Tong, Bo Li, Chen Hajaj, Chaowei Xiao, Ning Zhang, Yevgeniy Vorobeychik

Proceedings of the 28th USENIX Security Symposium, 2019

Adversarial Coordination on Social Networks.

Chen Hajaj, Sixie Yu, Zlatko Joveski, Yifan Guo, Yevgeniy Vorobeychik

Proceedings of the 18th International Conference on Autonomous Agents and MultiAgent Systems, 2019

2018

Adversarial Coordination on Social Networks.

Chen Hajaj, Sixie Yu, Zlatko Joveski, Yevgeniy Vorobeychik

CoRR, 2018

Adversarial Task Assignment.

Chen Hajaj, Yevgeniy Vorobeychik

Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Crowdsourcing Clinical Chart Reviews.

Joseph R. Coco, Cheng Ye, Chen Hajaj, Yevgeniy Vorobeychik, Joshua C. Denny, Laurie L. Novak, Bradley A. Malin, Thomas A. Lasko, Daniel Fabbri

Proceedings of the AMIA 2018, 2018

2017

Adversarial Task Allocation.

Chen Hajaj, Yevgeniy Vorobeychik

CoRR, 2017

Feature Conservation in Adversarial Classifier Evasion: A Case Study.

Liang Tong, Bo Li, Chen Hajaj, Yevgeniy Vorobeychik

CoRR, 2017

Selective opportunity disclosure at the service of strategic information platforms.

Chen Hajaj, David Sarne

Auton. Agents Multi Agent Syst., 2017

Enhancing comparison shopping agents through ordering and gradual information disclosure.

Chen Hajaj, Noam Hazon, David Sarne

Auton. Agents Multi Agent Syst., 2017

Enhancing Crowdworkers' Vigilance.

Avshalom Elmalech, David Sarne, Esther David, Chen Hajaj

Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, 2017

2016

Extending Workers' Attention Span Through Dummy Events.

Avshalom Elmalech, David Sarne, Esther David, Chen Hajaj

Proceedings of the Fourth AAAI Conference on Human Computation and Crowdsourcing, 2016

2015

Improving comparison shopping agents' competence through selective price disclosure.

Chen Hajaj, Noam Hazon, David Sarne

Electron. Commer. Res. Appl., 2015

Automatic anatomical shape correspondence and alignment using mesh features.

Tal Darom, Yaniv Gur, Chen Hajaj, Yosi Keller

Proceedings of the 12th IEEE International Symposium on Biomedical Imaging, 2015

Strategy-Proof and Efficient Kidney Exchange Using a Credit Mechanism.

Chen Hajaj, John P. Dickerson, Avinatan Hassidim, Tuomas Sandholm, David Sarne

Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

2014

Strategic information platforms: selective disclosure and the price of "free".

Chen Hajaj, David Sarne

Proceedings of the ACM Conference on Economics and Computation, 2014

Advanced service schemes for a self-interested information platform.

Chen Hajaj, David Sarne, Lea Perets

Proceedings of the International conference on Autonomous Agents and Multi-Agent Systems, 2014

Ordering Effects and Belief Adjustment in the Use of Comparison Shopping Agents.

Chen Hajaj, Noam Hazon, David Sarne

Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, 2014

2013

Search More, Disclose Less.

Chen Hajaj, Noam Hazon, David Sarne, Avshalom Elmalech

Proceedings of the Twenty-Seventh AAAI Conference on Artificial Intelligence, 2013