ISTAT Italian National Institute of Statistics Via Cesare Balbo 16 Rome 00184 Italy;
DIAG Sapienza University of Rome Via Ariosto 25 Rome 00185 Italy;
DIAG Sapienza University of Rome Via Ariosto 25 Rome 00185 Italy;
ISTAT Italian National Institute of Statistics Via Cesare Balbo 16 Rome 00184 Italy;
ISTAT Italian National Institute of Statistics Via Cesare Balbo 16 Rome 00184 Italy;
ISTAT Italian National Institute of Statistics Via Cesare Balbo 16 Rome 00184 Italy;
Development of data and information services; Webometrics indicators; Higher education institutions; Automatic extraction; Machine learning; Optimization;