Analysing Mood Patterns in the United Kingdom through Twitter Content - Vasileios Lampos; Thomas Lansdall-Welfare; Ricardo Araya; Nello Cristianini (CoRR, 2013)

How to reduce the number of rating scale items without predictability loss? - Waldemar W. Koczkodaj; Tamar Kakiashvili; A. Szymanska; J. Montero-Marin; Ricardo Araya; Javier García-Campayo; K. Rutkowski; Dominik Strzalka (Scientometrics, 2017)