org.lenskit.knn.item

## Annotation Type MinCommonUsers

• @Qualifier
@Documented
@Parameter(value=int.class)
@DefaultInteger(value=0)
@Retention(value=RUNTIME)
@Target(value={PARAMETER,FIELD,METHOD})
public @interface MinCommonUsers

The minimum users two items must have in common in order to be included in the similarity model. Items with fewer than this many users in common will be ignored, i.e. treated as having no similarity. A hard threshold allows for performance optimizations.