The Words
attribute is not actually the number of occurrences of query words.
It consists in ranking higher a document matching all of the words typed by the user rather than a document matching only some of them.
Example
Query: laser OR sword
Words
attribute is equal to1
if the document contains only "laser
" or only "sword
".Words
attribute is equal to2
if the document contains both "laser
" and "sword
".
This attribute ranks documents in descending order.