### Effective Bilingual Constraints for Semi-supervised Learning of Named Entity Recognizers

...6) γ∈Γ φ#(γ,y,x) γ where #(δ, y, x) is the activation count of δ in sequence y. This model is in fact a naive Bayes model, where the parameters δ and φ are empirically estimated (a value of 2 is used for δ in our experim...

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