Machine Learning in Java by Bostjan Kaluza

Author:Bostjan Kaluza [Kaluza, Bostjan]
Language: eng
Format: azw3, pdf
Publisher: Packt Publishing
Published: 2016-04-29T04:00:00+00:00

Mahout integration implements JDBCDataModel to various databases that can be accessed via JDBC. By default, this class assumes that there is DataSource available under the JNDI name jdbc/taste, which gives access to a database with a taste_preferences table with the following schema:

CREATE TABLE taste_preferences ( user_id BIGINT NOT NULL, item_id BIGINT NOT NULL, preference REAL NOT NULL, PRIMARY KEY (user_id, item_id) ) CREATE INDEX taste_preferences_user_id_index ON taste_preferences (user_id); CREATE INDEX taste_preferences_item_id_index ON taste_preferences (item_id);

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