Fernando Ortega

Recommender systems survey

A collaborative filtering approach to mitigate the new user cold start problem

A non negative matrix factorization for collaborative filtering recommender systems based on a Bayesian probabilistic model

Improving collaborative filtering recommender system results and performance using genetic algorithms

Recommending items to group of users using Matrix Factorization based Collaborative Filtering

A collaborative filtering similarity measure based on singularities

A new staging system for multiple myeloma based on the number of S- phase plasma cells

A framework for collaborative filtering recommender systems

Collaborative filtering based on significances

A new staging system for multiple myeloma based on the number of S- phase plasma cells

Immunophenotypic heterogeneity of multiple myeloma: influence on the biology and clinical course of the disease

Clonal plasma cells from monoclonal gammopathy of undetermined significance, multiple myeloma and plasma cell leukemia show different expression profiles of molecules involved in the interaction with the immunological bone marrow microenvironment