Define words or phrases that frequently occur in object text as stop words to help increase the relevance of full-text search results. A IBM® Content Search Services search server ignores any stop words that are included in a full-text search expression. Set the same set of stop words for each server if you want the effect of stop words on full-text search results to be consistent.
AND
, OR
, or NOT
. Also, stop words only apply to some types of search terms.