One-Class Collaborative Filtering


 
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Old 05-22-2008
One-Class Collaborative Filtering

HPL-2008-48 One-Class Collaborative Filtering - Pan, Rong; Zhou, Yunhong; Cao, Bin; Liu, Nathan N.; Lukose, Rajan; Scholz, Martin; Yang, Qiang
Keyword(s): collaborative filtering, one-class, missing values
Abstract: Many applications of collaborative filtering (CF), such as news item recommendation and bookmark recommendation, are most naturally thought of as one-class collaborative filtering problems. In these problems, the training data usually consists simply of binary data reflecting a user's action or inac ...
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Class::DBI::Test::SQLite(3pm)				User Contributed Perl Documentation			     Class::DBI::Test::SQLite(3pm)

NAME
Class::DBI::Test::SQLite - Base class for Class::DBI tests SYNOPSIS
use base 'Class::DBI::Test::SQLite'; __PACKAGE__->set_table('test'); __PACKAGE__->columns(All => qw/id name film salary/); sub create_sql { return q{ id INTEGER PRIMARY KEY, name CHAR(40), film VARCHAR(255), salary INT } } DESCRIPTION
This provides a simple base class for Class::DBI tests using SQLite. Each class for the test should inherit from this, provide a create_sql() method which returns a string representing the SQL used to create the table for the class, and then call set_table() to create the table, and tie it to the class. METHODS
set_table __PACKAGE__->set_table('test'); This combines creating the table with the normal Class::DBI table() call. create_sql (abstract) sub create_sql { return q{ id INTEGER PRIMARY KEY, name CHAR(40), film VARCHAR(255), salary INT } } This should return, as a text string, the schema for the table represented by this class. perl v5.12.4 2005-05-24 Class::DBI::Test::SQLite(3pm)