Can Modern NLP Systems Reliably Annotate Chest Radiography Exams? A Pre-Purchase Evaluation and Comparative Study of Solutions from AWS, Google, Azure, John Snow Labs, and Open-Source Models on an Independent Pediatric Dataset. - Shruti Hegde; Mabon Manoj Ninan; Jonathan R. Dillman; Shireen Hayatghaibi; Lynn Babcock; Elanchezhian Somasundaram (CoRR, 2025)