Labwork for IN4325 Information Retrieval course in TU Delft. First two assignments involve some Hadoop programming for Amazon EMR, the last ones are just answers to the questions. 
Assignment 1 - normalisation and building of inverted document index for Wikipedia Simple English corpus.
Assignment 2 - TD.IDF weighting and Rocchio algorithm for relevance feedback.
More details concerning programming assignments can be found in reports/.