Reweighting heuristics are known to improve these methods, as is dimen-sion reduction
Without reweighting and dimensionality reduction PMI doesn't scale to higher dimensions. (I.e. for large vocabulary).
Reweighting heuristics are known to improve these methods, as is dimen-sion reduction
Without reweighting and dimensionality reduction PMI doesn't scale to higher dimensions. (I.e. for large vocabulary).