hover.schema.SUMMARYFEATURES_ML.md Maven / Gradle / Ivy

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## summary-features


  Contained in [rank-profile](https://docs.vespa.ai/en/reference/schema-reference.html#rank-profile).
  List of [rank features](https://docs.vespa.ai/en/reference/rank-features.html) to be included with each result hit,
  in the [summaryfeatures](https://docs.vespa.ai/en/reference/default-result-format.html#summaryfeatures) field.
  Also see [
  feature values in results](https://docs.vespa.ai/en/ranking-expressions-features.html#accessing-feature-function-values-in-results).


  If not specified, the features are as specified in the parent profile (if any).
  To inherit the features from the parent profile and specify additional features,
  specify explicitly that the features should be inherited from the parent as shown below.
  Refer to [schema inheritance](https://docs.vespa.ai/en/schemas.html#schema-inheritance) for examples.


  The rank features specified here are computed in the
  [fill phase](https://docs.vespa.ai/en/searcher-development.html#multiphase-searching) of multiphased queries.


> *NOTE:* Rank-features references in summary-features
> are re-calculated during the fill protocol phase
> for the hits which made it into the global top ranking hits (from all nodes).
> See [match-features](https://docs.vespa.ai/en/reference/schema-reference.html#match-features) for an alternative.

```
summary-features: [feature] [feature]…
``` 

or
```
summary-features [inherits parent-profile]? {
    [feature]
    [feature]
}
``` 


  Any number of rank features separated by space can be listed on each line.





[Read more](https://docs.vespa.ai/en/reference/schema-reference.html#summary-features)