Accessibility in introductory computer science. - Robert F. Cohen; Alexander V. Fairley; David Gerry; Gustavo R. Lima (SIGCSE, 2005)

Speeding up Memory-based Collaborative Filtering with Landmarks. - Gustavo R. Lima; Carlos E. Mello; Geraldo Zimbrao (CoRR, 2017)

A New Modeling for Item Ratings Using Landmarks. - Gustavo R. Lima; Carlos E. Mello; Geraldo Zimbrao (IJCNN, 2018)

Applying landmarks to enhance memory-based collaborative filtering. - Gustavo R. Lima; Carlos E. Mello; Adria Lyra; Geraldo Zimbrao (Inf. Sci., 2020)