NODAR: mining globally distributed substructures from a single labeled graph. - Aya Hellal; Lotfi Ben Romdhane 001 (J. Intell. Inf. Syst., 2013)

Maximal frequent sub-graph mining for malware detection. - Aya Hellal; Lotfi Ben Romdhane 001 (ISDA, 2015)

Minimal contrast frequent pattern mining for malware detection. - Aya Hellal; Lotfi Ben Romdhane 001 (Comput. Secur., 2016)

A Survey on Cryptography: Comparative Study between RSA vs ECC Algorithms, and RSA vs El-Gamal Algorithms. - Fatma Mallouli; Aya Hellal; Nahla Sharief Saeed; Fatimah Abdulraheem Alzahrani (CSCloud/EdgeCom, 2019)

Cryptocurrency bounced back based on cryptography technology during the COVID-19 pandemic. - Fatma Mallouli; Nesrine Khelifi; Aya Hellal; Eman Ferjani; Imen Gmach; Nada Chaabane; Rimah Amami; Rim Amami (CSCI, 2021)

Understanding Decision-Making in Terms of its Semantics. - Imen Gmach; Nada Chaabane; Amal Abdulrazzaq AlFryyan; Nahla O. A. Mustafa; Nabila Alomari; Aya Hellal; Abeer Rafi Abdullah Alabdulrahman; Reem Matahen; Sajeda Qasim Aldiabat; Enas Kanan (CSCI, 2022)