Workshops run from week 2 onwards. You can find the worksheets below

Week beginning Topic Materials
Thu 7/3 Workshop on python basics (optional) Worksheet: week1-python-01.pdf
Mon 11/3 Workshop on preprocessing and information retrieval Worksheet: workshop-02.pdf
  solutions-02.pdf
Mon 18/3 Workshop on index compression and efficient query processing Worksheet: workshop-03.pdf
  solutions-03.pdf
Mon 25/3 Workshop on index construction and IR evaluation Worksheet: workshop-04.pdf
  solutions-04.pdf
Mon 1/4 Workshop on text classification and ngram language modelling Worksheet: workshop-05.pdf
  solutions-05.pdf
Mon 8/4 Workshop on word semantics Worksheet: workshop-06.pdf
  solutions-06.pdf
Mon 15/4 Workshop on POS and deep learning for language models (schedule altered for Good Friday holiday) Worksheet: workshop-07.pdf
  solutions-07.pdf
Mon 29/4 Workshop on information extraction and question answering Worksheet: workshop-08.pdf
  solutions-08.pdf
Mon 6/5 Workshop on HMM and FSA Worksheet: workshop-09.pdf
  solutions-09.pdf
Mon 13/5 Workshop on CFG and probabilistic parsing Worksheet: workshop-10.pdf
  solutions-10.pdf
Mon 20/5 Workshop on dependency parsing and discourse Worksheet: workshop-11.pdf
  solutions-11.pdf
Mon 27/5 Workshop on machine translation Worksheet: workshop-12.pdf
  solutions-12.pdf