Firstly WSD tasks before 2013 generally relied on only a lexicon, such as WordNet (Fellbaum, 1998) or an alternative equivalent, whereas SemEval 2013 Task 12 WSD and this task <cite>(Moro and Navigli, 2015)</cite> included Entity Linking (EL) using the encyclopaedia Wikipedia via BabelNet (Navigli and Ponzetto, 2012) .