The parentheses “( )”

The allow to indicate in which order the query must be processed, or to limit the impact of the ‘NOT’ operator. Example 1 : if you enter the query: ‘invoice AND (estimate OR contract)’. Text’O’Mat finds the documents (in grey): either containing all at once the term ‘invoice’ and the term ‘estimate’, or containing at once the term ‘invoice’ and the term ‘contract’.
Documents | Words contained in the document
Document 1 | Estimate
Document 2 | Invoice Estimate
Document 3 | Invoice
Document 4 | Contract Estimate
Document 5 | Estimate Invoice
Document 6 | Contract
Example 2 : if you type the following query: ‘(invoice AND estimate) OR contract’ Text’O’Mat finds the greysed documents containing: either the term ‘invoice’ and the term ‘estimate’, without necessarily contain the term ‘contract’, or the term ‘contract’.
Documents | Words contained in the document
Document 1 | Estimate
Document 2 | Invoice Estimate
Document 3 | Invoice
Document 4 | Contract Estimate
Document 5 | Estimate Invoice
Document 6 | Contract
Example 3 : if your enter the query: ‘(invoice NOT estimate) OR contract’ Text’O’Mat retrieves all the documents (greysed) containing: either the term ‘invoice’, without containing the term ‘estimate’, or the term ‘contract’ and eventually the term ‘estimate’.
Documents | Words contained in the document
Document 1 | Estimate
Document 2 | Invoice Estimate
Document 3 | Invoice
Document 4 | Contract Estimate
Document 5 | Estimate Invoice
Document 6 | Contract
Copyright © 2000 C2V (Computers, Communications & Visions).