Web Science/Part2: Emerging Web Properties/Modelling Similarity of Text/Comparing Results of Similarity Merasures/quiz

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1 which method can be used best to find characteristic words of a text?

jaccard
TF-IDF
TF
Language Model
Smoothed Language Model

2 Which method works well in an information retrieval setting

jaccard
TF-IDF
Language Model
Smoothed Language Model

3 Which method should be used when you don't have several occurences of the same elements?

jaccard
TF-IDF
Language Model
Smoothed Language Model