PPT Slide
time-outs: May stop processing a search and provide partial results to expedite. Repeating the exact same search several times in a row may find additional results
Counting: Can't count accurately. The numbers present are often estimates and can change greatly especially with complex search statements that use multiple fields.
- different number of hits by Simple and Advanced Search (identical search statement!)
inconsistency with diacriticals +éléphant -elephant
putting limits on language can rise number of hits!
field search by title don’t find all documents