http://www.springer.com/prod/b/1-4020-1216-0?referer=www.wkap.nl,Language Modeling for Information Retrieval,https://github.com/harpribot/awesome-information-retrieval#readme,Information Retrieval error: <HTTPError 404: 'Not Found'> | reason: Not Found
http://courses.ischool.utexas.edu/Lease_Matt/2016/Fall/INF384H/,INF384H / CS395T / INF350E: Concepts of Information Retrieval (and Web Search),https://github.com/harpribot/awesome-information-retrieval#readme,Information Retrieval error: URLError(gaierror(8, 'nodename nor servname provided, or not known')) | reason: [Errno 8] nodename nor servname provided, or not known
http://www.clef-initiative.eu/dataset/test-collection,Conference and Labs of the Evaluation Forum (CLEF) dataset,https://github.com/harpribot/awesome-information-retrieval#readme,Information Retrieval error: <HTTPError 404: 'Not Found'> | reason: Not Found
http://www.cse.unsw.edu.au/~cs6714/17s2/index.html,COMP6714 Information Retrieval and Web Search,https://github.com/harpribot/awesome-information-retrieval#readme,Information Retrieval error: <HTTPError 403: 'Forbidden'> | reason: Forbidden