[SPARK-20679] Let ML ALS recommend for a subset of users/items

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: ML
• Assignee: Nicholas Pentreath
• Reporter: Nicholas Pentreath
• Created: 09/May/17 09:05
• Updated: 12/Dec/22 18:10
• Resolved: 09/Oct/17 08:43

Description

SPARK-10802 is for mllib's MatrixFactorizationModel to recommend for a subset of user or item factors.

Since mllib is in maintenance mode and ml's ALSModel now supports the recommendForAllX methods, this ticket tracks adding this functionality to ALSModel.

Issue Links

• relates to: SPARK-10802 Let ALS recommend for subset of data
• links to: [Github] Pull Request #18748 (MLnick)