CASSA: A Context-Aware Synonym Simplification Algorithm. - Ricardo Baeza-Yates; Luz Rello; Julia Dembowski (HLT-NAACL, 2015)

CASSAurus: A Resource of Simpler Spanish Synonyms. - Ricardo Baeza-Yates; Luz Rello; Julia Dembowski (LREC, 2016)