The citation details for the above manuscript should have read as follows:

Citation details: Le,H-Q., Tran,M-V., Dang,T.H. et al. Sieve-based coreference resolution enhances semi-supervised learning model for chemical-induced disease relation extraction. Database (2016) Vol. 2016: article ID baw102; doi: 10.1093/database/baw102

The publisher apologizes for this error which has now been corrected online.