External Knowledge and Query Strategies in Active Learning: a Study in Clinical Information Extraction
Heterogenous Uncertainty Sampling for Supervised Learning
Information-Based Objective Functions for Active Data Selection
2010 i2b2/VA challenge on concepts, assertions, and relations in clinical text
Effective mapping of biomedical text to the UMLS Metathesaurus: the MetaMap program
Application of information technology: MedEx: a medication information extraction system for clinical narratives