Collaborative 3D Modeling: Conceptual and Technical Issues. - Rafika Hajji; Roland Billen (Int. J. 3 D Inf. Model., 2016)

Development of an Integrated BIM-3D GIS Approach for 3D Cadastre in Morocco. - Rafika Hajji; Reda Yaagoubi; Imane Meliana; Imane Laafou; Ahmed El Gholabzouri (ISPRS Int. J. Geo Inf., 2021)

3D Point Cloud Semantic Augmentation: Instance Segmentation of 360° Panoramas by Deep Learning Techniques. - Ghizlane Karara; Rafika Hajji; Florent Poux (Remote. Sens., 2021)

A Cloud-Based Mobile Augmented Reality Application for BIM Collaboration. - Aymane Dahbi; Ikram Laaouan; Rafika Hajji; Youssef Ben Brahim (ICVARS, 2022)

A Prior Level Fusion Approach for the Semantic Segmentation of 3D Point Clouds Using Deep Learning. - Zouhair Ballouch; Rafika Hajji; Florent Poux; Abderrazzaq Kharroubi; Roland Billen (Remote. Sens., 2022)

Indoor 3D Reconstruction of Buildings via Azure Kinect RGB-D Camera. - Chaimaa Delasse; Hamza Lafkiri; Rafika Hajji; Ishraq Rached; Tania Landes (Sensors, 2022)

Digital Twins for cities: Analyzing the gap between concepts and current implementations with a specific focus on data integration. - Imane Jeddoub; Gilles-Antoine Nys; Rafika Hajji; Roland Billen (Int. J. Appl. Earth Obs. Geoinformation, 2023)

IFC-CityGML Data Integration for 3D Property Valuation. - Siham El Yamani; Rafika Hajji; Roland Billen (ISPRS Int. J. Geo Inf., 2023)

Investigating Prior-Level Fusion Approaches for Enriched Semantic Segmentation of Urban LiDAR Point Clouds. - Zouhair Ballouch; Rafika Hajji; Abderrazzaq Kharroubi; Florent Poux; Roland Billen (Remote. Sens., 2024)

Data integration across urban digital twin lifecycle: a comprehensive review of current initiatives. - Imane Jeddoub; Gilles-Antoine Nys; Rafika Hajji; Roland Billen (Ann. GIS, 2025)