| Package | Description | 
|---|---|
| com.ibm.watson.developer_cloud.retrieve_and_rank.v1 | Retrieve and Rank v1. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RetrieveAndRankThe IBM Watson Retrieve and Rank service helps users find the most relevant information for their query by using a
 combination of search and machine learning to find “signals” in the data. | 
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