Confidence Estimation for Information Extraction Aron Culotta author Andrew McCallum author 2004-may 2 - may 7 text Proceedings of HLT-NAACL 2004: Short Papers Association for Computational Linguistics Boston, Massachusetts, USA conference publication culotta-mccallum-2004-confidence https://aclanthology.org/N04-4028/ 2004-may 2 - may 7 109 112