| Base set |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1. | Given
text query (say university), |
||||||||||||
| use a
text index to get all pages |
|||||||||||||
| containing
university. |
|||||||||||||
| l | Call
this the root set of pages |
||||||||||||
| 2. | Add
in any page that either: |
||||||||||||
| l | points to a page in the root set, or |
||||||||||||
| l | is
pointed to by a page in the root |
||||||||||||
| set |
|||||||||||||
| 3. | Call
this the base set |
||||||||||||
