RecSys 2020 Challenge Workshop: Engagement Prediction on Twitter's Home Timeline. - Vito Walter Anelli; Amra Delic; Gabriele Sottocornola; Jessie Smith; Nazareno Andrade; Luca Belli; Michael M. Bronstein; Akshay Gupta; Sofia Ira Ktena; Alexandre Lung-Yut-Fong; Frank Portman; Alykhan Tejani; et al. (RecSys, 2020)

Privacy-Preserving Recommender Systems Challenge on Twitter's Home Timeline. - Luca Belli; Sofia Ira Ktena; Alykhan Tejani; Alexandre Lung-Yut-Fong; Frank Portman; Xiao Zhu; Yuanpu Xie; Akshay Gupta; Michael M. Bronstein; Amra Delic; Gabriele Sottocornola; Vito Walter Anelli; et al. (CoRR, 2020)

RecSys 2021 Challenge Workshop: Fairness-aware engagement prediction at scale on Twitter's Home Timeline. - Vito Walter Anelli; Saikishore Kalloori; Bruce Ferwerda; Luca Belli; Alykhan Tejani; Frank Portman; Alexandre Lung-Yut-Fong; Ben Chamberlain 001; Yuanpu Xie; Jonathan Hunt; Michael M. Bronstein; Wenzhe Shi (RecSys, 2021)

The 2021 RecSys Challenge Dataset: Fairness is not optional. - Luca Belli; Alykhan Tejani; Frank Portman; Alexandre Lung-Yut-Fong; Ben Chamberlain 001; Yuanpu Xie; Kristian Lum; Jonathan Hunt; Michael M. Bronstein; Vito Walter Anelli; Saikishore Kalloori; Bruce Ferwerda; et al. (RecSys Challenge, 2021)

TwHIN: Embedding the Twitter Heterogeneous Information Network for Personalized Recommendation. - Ahmed El-Kishky; Thomas Markovich; Serim Park; Chetan Verma; Baekjin Kim; Ramy Eskander; Yury Malkov; Frank Portman; Sofía Samaniego; Ying Xiao; Aria Haghighi (KDD, 2022)

kNN-Embed: Locally Smoothed Embedding Mixtures For Multi-interest Candidate Retrieval. - Ahmed El-Kishky; Thomas Markovich; Kenny Leung; Frank Portman; Aria Haghighi; Ying Xiao (CoRR, 2022)

MiCRO: Multi-interest Candidate Retrieval Online. - Frank Portman; Stephen Ragain; Ahmed El-Kishky (CoRR, 2022)

GLINKX: A Scalable Unified Framework For Homophilous and Heterophilous Graphs. - Marios Papachristou; Rishab Goel; Frank Portman; Matthew Miller; Rong Jin (CoRR, 2022)

bfkNN-Embed: Locally Smoothed Embedding Mixtures for Multi-interest Candidate Retrieval. - Ahmed El-Kishky; Thomas Markovich; Kenny Leung; Frank Portman; Aria Haghighi; Ying Xiao (PAKDD (3), 2023)