Apache Spark Collaborative Filtering documentation and ALS examples
Original source: https://spark.apache.org/docs/latest/ml-collaborative-filtering.html
Verified fixed version: https://spark.apache.org/docs/4.2.0/ml-collaborative-filtering.html
Companion Python example: https://raw.githubusercontent.com/apache/spark/v4.2.0/examples/src/main/python/ml/als_example.py
Original publisher: Apache Software Foundation; no individual author identified on the source page.
Copyright: Copyright 2014 and onwards The Apache Software Foundation.
License: Apache License 2.0. Full license and the Spark v4.2.0 NOTICE are included in this package.
Translation and editorial additions: 未完纪. This Chinese translation/editing adds a SparkSession wrapper, translated comments, API-default correction, evaluation-coverage discussion, input and model limitations, and an original diagram.
Third-party MovieLens data terms are separate from the Spark software license.