@prefix rdf: . @prefix ns1: . @prefix nif: . ns1:Context rdf:type nif:Context . @prefix pwdr: . ns1:Context pwdr:describedby ; nif:beginIndex 0 ; nif:endIndex 498 ; nif:isString "Class Central \u2022 #1 Search Engine for Free Online Courses & MOOCs Class Central Class Central Class Central Write a Review Sign in or Register Notable Subject University Provider Notable New & Trending Trending 10 courses Just Announced 130 courses Self Paced 2929 courses Starts Now 2383 courses Recommendations Top 50 MOOCs #5 #5 Understanding Dementia University of Tasmania via Independent 4.9 2791 Reviews #24 #24 Medical Neuroscience Duke University via Coursera 4.9 35 Reviews #25 #25 The Sci" ; nif:sourceUrl .