class Item2ItemRecommender in Recommender API 6.2

Hierarchy

• class \Recommender
  • class \CorrelationRecommender
    • class \Item2ItemRecommender

File

./Recommender.php, line 625

class Item2ItemRecommender extends CorrelationRecommender {

  // note: Item2Item is just to switch mouse and cheese.
  protected function initialize() {
    parent::initialize();
    $temp = $this->fieldCheese;
    $this->fieldCheese = $this->fieldMouse;
    $this->fieldMouse = $temp;
  }

  // use the same computePredictionMemory() implementation.
  protected function computePredictionMemory() {
    parent::computePredictionMemory();
  }

  // note: reverse cheese and mouse when saving prediction
  protected function savePredictionSql() {

    //return "INSERT INTO {recommender_prediction}(app_id, mouse_id, cheese_id, prediction, created) VALUES";
    return "INSERT INTO {recommender_prediction}(app_id, cheese_id, mouse_id, prediction, created) VALUES";
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CorrelationRecommender::$lowerbound	private	property
CorrelationRecommender::$mouseVectors	protected	property
CorrelationRecommender::$sim_pred	private	property
CorrelationRecommender::computePrediction	public	function	Overrides Recommender::computePrediction
CorrelationRecommender::computeSimilarityMemory	protected	function	Overrides Recommender::computeSimilarityMemory
CorrelationRecommender::getFromDirectMatrix	private	function
CorrelationRecommender::recordExists	private	function
CorrelationRecommender::_computePredictionMemory		function
Item2ItemRecommender::computePredictionMemory	protected	function	Overrides CorrelationRecommender::computePredictionMemory
Item2ItemRecommender::initialize	protected	function	Overrides CorrelationRecommender::initialize
Item2ItemRecommender::savePredictionSql	protected	function	Overrides CorrelationRecommender::savePredictionSql
Recommender::$appId	protected	property
Recommender::$appName	protected	property
Recommender::$cheeseMap	protected	property
Recommender::$cheeseNum	protected	property
Recommender::$created	protected	property
Recommender::$directMatrix	protected	property
Recommender::$duplicate	protected	property
Recommender::$fieldCheese	protected	property
Recommender::$fieldMouse	protected	property
Recommender::$fieldWeight	protected	property
Recommender::$missing	protected	property
Recommender::$mouseMap	protected	property
Recommender::$mouseNum	protected	property
Recommender::$options	protected	property
Recommender::$performance	protected	property
Recommender::$predictionMatrix	protected	property
Recommender::$similarityMatrix	protected	property
Recommender::$tableName	protected	property
Recommender::batchInsert	protected	function
Recommender::cleanupMemory	protected	function
Recommender::computePredictionDatabase	protected	function		1
Recommender::computePredictionJava	protected	function
Recommender::computeSimilarity	public	function		1
Recommender::computeSimilarityDatabase	protected	function		1
Recommender::computeSimilarityJava	protected	function
Recommender::convertAppId	static	function
Recommender::getAppId	public	function
Recommender::getCheeseNum	protected	function
Recommender::getEntityNum	protected	function
Recommender::getMouseNum	protected	function
Recommender::loadDirectMatrix	protected	function	Load matrix from the database into a matrix class in memory
Recommender::loadSimilarityMatrix	protected	function
Recommender::prepareData	protected	function	After calling this function, data would be ready to process. Could be: 1) if it's in database, then $->tableName, $this->$field* would store the correct info. 2) if it's in memory, then $this->directMatrix will be the matrix
Recommender::processTable	protected	function
Recommender::purgeApp	static	function
Recommender::purgeOutdatedRecords	protected	function
Recommender::retrievePrediction	public	function
Recommender::retrieveSimilarity	public	function	Return the similarity between $mouse1 and $mouse2.
Recommender::saveSimilarityMatrix	protected	function
Recommender::topPrediction	public	function
Recommender::topSimilarity	public	function
Recommender::__construct		function		1