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Erratum in Zeller, Padó, Šnajder (COLING 2014):
"Towards Semantic Validation of a Derivational Lexicon"
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In the article, we report four hybrid features (see Table 4):
- two average rank similarity features (one forward, one backward)
- two rank similarity deviation features (one forward, one backward).

This is incorrect. The implementation which lead to the results in 
Table 4, only used three of these features:
- two average rank similarity features (one forward, one backward)
- only the forward rank similarity deviation feature.