The final vec-tor for this word, < 0.37, 0.18, 0.0 > with TF-IDF or < 0.36, 0.06, 0.0 > with PPMI-IDF, is intended to guide the implicit model toward a contrastive relation, thus potentially helping in identifying the relation in example (1b).
the word "week" is more likely to be found in the arguments of temporal relations that can be triggered by before but also while, an ambiguity kept in our representation whereas approaches based on using explicit examples as new training data generally choose to annotate them using the most frequent sense associated with the connective, often limiting themselves to the less ambiguous ones (Marcu and Echihabi, 2002;Sporleder and Lascarides, 2008;Lan et al., 2013;Braud and Denis, 2014;.