Text and Content-based Approaches to Image Modality Classification and Retrieval for the ImageCLEF 2011 Medical Retrieval Track. - Matthew S. Simpson; Md. Mahmudur Rahman; Srinivas Phadnis; Emilia Apostolova; Dina Demner-Fushman; Sameer K. Antani; George R. Thoma (CLEF (Notebook Papers/Labs/Workshop), 2011)