Question: In the case of the Boolean Model, we weigh terms in documents using: A$.[0-+$inf$]$ B$.[-$inf$-+$inf$]$ C$.[0/1]$D$.[-$inf $-0]$

In the case of the Boolean Model, we weigh terms in documents using:

A$.[0-+$inf$]$

B$.[-$inf$-+$inf$]$

C$.[0/1]$

D$.[-$inf $-0]$