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T-61.5020 Statistical Natural Language Processing

Exercises 2008

Exercise sessions are held on Mondays 12.15-14.00 in room T5.
The problems are published about a week before the session.
Sample solutions are presented in the sessions.
It is recommended that you try to solve them by yourself beforehand.
Attendance is voluntary (no extra points etc. given).
Usually one of the applicable problems will be in the exam.
Below, the problems and solutions are provided in both English (Eng) and Finnish (Fin).
However, the Finnish material is from year 2007 and it is not updated.

Timetable

Session	Date	Topics	Problems	Solutions	Extra material
1	28.1.2008	Basics of probability calculus Manning and Schütze: Ch. 1.4, 2.1	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Zipf's law for Finnish
2	4.2.2008	Similarity measures Manning and Schütze: Ch. 2.2.5, 15.2.1	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
3	11.2.2008	Information retrieval (evaluation, weighting, LSA) Manning and Schütze: Ch. 15.1-4	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
4	18.2.2008	Entropy and perplexity Manning and Schütze: Ch. 2.2	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
5	25.2.2008	Markov chains and Hidden Markov Models Manning and Schütze: Ch. 9	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
No exercises 3.3.
No exercises 10.3. (examination period)
6	17.3.2008	Collocations (statistical testing, mutual information) Manning and Schütze: Ch. 5	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
No exercises 24.3. (Easter holiday)
7	31.3.2008	Word sense disabiguation (EM, SOM) Manning and Schütze: Ch. 7	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]
8	7.4.2008	N-gram language models Manning and Schütze: Ch. 6	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Preprocessed data for problems 2-3
9	14.4.2008	Statistical machine translation Manning and Schütze: Ch. 13	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Europarl corpus Script for problem 2
10	21.4.2008	Speech recognition and language model evaluation	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]	Eng: [HTML \| PS \| PDF] Fin: [HTML \| PS \| PDF]

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