NMF-based multimodal image indexing for querying by visual example. - Fabio A. González 001; Juan C. Caicedo; Olfa Nasraoui; Jaafar Ben-Abdallah (CIVR, 2010)

Multimodal Image Annotation Using Non-negative Matrix Factorization. - Jaafar Ben-Abdallah; Juan C. Caicedo; Fabio A. González 001; Olfa Nasraoui (Web Intelligence, 2010)

Multimodal representation, indexing, automated annotation and retrieval of image collections via non-negative matrix factorization. - Juan C. Caicedo; Jaafar Ben-Abdallah; Fabio A. González 001; Olfa Nasraoui (Neurocomputing, 2012)