Q1.Stemming is the procedure (CHOOSE RIGHT ANSWER)

1. Converting a word to its original form according to the dictionary
2. Cutting off suffixes from words
3. Both of the above are correct
4. None of the above

Q2.Latent Dirichlet Allocation method refers to methods (CHOOSE RIGHT ANSWER)

1. Classifications
2. Clustering
3. Thematic modeling
4. Regressions

Q3.What is the use of TF-IDF?(CHOOSE RIGHT ANSWER)

1. It provides a measure that evaluates the presence of unusual terms in a query as higher indicators of document relevance than the presence of more general terms.
2. It provides a measure that evaluates the presence of unusual terms in a query as lower in document relevance than the presence of more general terms.
3. It provides a measure that evaluates the presence of generic terms in a query as higher indicators of document relevance than the presence of more unusual terms.
4. It allows you to determine how many times a term appears in the Corpus.