CBR query result ranking

When used in the ORDER BY clause of a CBR query, the Rank property permits you to return objects in order of search relevance. IBM® Content Search Services calculates the value of the Rank property for each returned object based on factors such as term instance frequency.

For detailed information about the ranking factors, see CBR queries using IBM Content Search Services. In accordance with these factors, changes to the following items can affect the Rank property value for a returned object:

Consequently, the Rank property value for a returned object can change depending on when you run a query. The property value can change without changing the ranking of the object relative to other returned objects.

Related reference
For information about query syntax and using the Rank property in a query, see CBR query syntax introduction. For information about the Indexing Language property, see Object store properties (CBR IBM Search tab).

Related concepts
For information about word stems, see Word stems. For information about stop words, see Stop words. For information about synonyms, see Synonyms.