1) Consider the following documents D and query Q for the following:

D1: you say goodbye

D2: hello goodbye hello goodbye hello

D3: I say hello

Q1: I hello a.

a.Construct the vector space term-document matrix for the above documents using tf.idf term weighting.

use this formula

tf.idf wij=tfijlog(dfiD) where; tfij= number of term i in document j D= number of document in a database dfi= number of documents in a database containing term