Other Correction Candidate: for corrections other than noun number, candidates are selected from the GE-tagged corpus.
detailed description of the shared task set up, data set, and evaluation about the CoNLL-2014 Shared Task is explained in (Ng et al., 2014)  The Google Web-1T corpus contains 10 12 words of running text and the counts for all 10 9 five-word sequences that appear > 40 times (Brants & Franz, 2006).