Although the task is slightly different, there has been work on building 'silver standard' data from Wikipedia (Nothman et al., 2008(Nothman et al., , 2013Pan et al., 2017), using hyperlink annotations as the seed set and propagating throughout the document.
if the classifier has accurately learned to detect entities, then for all the false negatives in N , P λ (y i = O|x i ) is small, which is the goal.