Problem
a) What are the two major challenges in the problem of text analysis?
b) What is a reverse index?
c) Why is the corpus metrics dynamic. Provide an example and a scenario that explains the dynamism of the corpus metrics.
d) How does tf idf enhance the relevance of a search result?
e) List and discuss a few methods that are deployed in text analysis to reduce the dimensions.
The response must include a reference list. One-inch margins, double-space, Using Times New Roman 12 pnt font and APA style of writing and citations.