Web Science/Part2: Emerging Web Properties/Modelling Similarity of Text/Similarity Measures and their Applications/quiz

1 Is there a connection between similarities and distance functions?

	No, not at all
	Yes by taking the inverse
	Yes by taking the negative value
	Yes via log and exponential function

2 Which of the following are applications of similarity measures?

	Vectorspaces
	Recommender systems
	Machine Learning
	Information Retrieval
	Jaccard Coefficient

3 Which of the following statements is true?

	Similarity measures can always be normalized
	Similarity measures need to be transitive
	Similarity measures have by symmetric
	Similarity measures have to have equal self similarity for all Elements
	They can have negative values