Adam Bozanich created MAHOUT-1158:
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Summary: Migrate/transform IDs from alphanumeric to Long
Key: MAHOUT-1158
URL: https://issues.apache.org/jira/browse/MAHOUT-1158
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Reporter: Adam Bozanich
Assignee: Sean Owen
Priority: Minor
Generating item similarities from user interactions or preferences doesn't
necessarily require user IDs to remain consistent or even recoverable.
ItemSimilarityJob could have a flag that transforms the IDs automatically.
Use case: Input data is a collection of (cookie,product_id); cookie is
alphanumeric. ItemSimilarityJob should be able to consume this data without
needing the user to preprocess it.
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