Collaborative e-learning through open social student modeling and Progressive Zoom navigation. - MinEr Liang; Julio Guerra 001; G. Elisabeta Marai; Peter Brusilovsky (CollaborateCom, 2012)

Building multi-layer social knowledge maps with Google Maps API. - MinEr Liang; Julio Guerra 001; Peter Brusilovsky (UMAP Workshops, 2012)

KnowledgeZoom for Java: A Concept-Based Exam Study Tool with a Zoomable Open Student Model. - Peter Brusilovsky; Dhruba Baishya; Roya Hosseini; Julio Guerra 001; MinEr Liang (ICALT, 2013)