TEXT ANALYTICS

1. Why is BM25 used in the above expressions?

2. What does b adjust?

3. If this is the expression for determining if two words are paradigmatically related, what are d1 and d2?

4. What is the minimum possible values of the conditional entropy H(X|Y )? Under what situation does it occur?

5. What are the maximum possible values of the conditional entropy H(X|Y )? Under what situation does it occur?

BM250 w,,dl) BM250 wirdl) F1 (12 CWI, WM) Vi is defined similarly k e 0,40