Aggregating Preferences Represented by Conditional Preference Networks. - Abu Mohammad Hammad Ali; Howard J. Hamilton; Elizabeth Rayner; Boting Yang; Sandra Zilles (ADT, 2021)

Approximation Algorithms for Preference Aggregation Using CP-Nets. - Abu Mohammad Hammad Ali; Boting Yang; Sandra Zilles (AAAI, 2024)

Approximation Ratio for Preference Aggregation Using Tree CP-Nets. - Abu Mohammad Hammad Ali; Daniel Ogundare; Boting Yang; Sandra Zilles (AAMAS, 2025)