# Package org.apache.lucene.classification.document

Uses already seen data (the indexed documents) to classify new documents.

See: Description

Interface Summary
DocumentClassifier<T>: A classifier, see `http://en.wikipedia.org/wiki/Classifier_(mathematics)`, which assign classes of type `T` to a `Document`s

Class Summary
KNearestNeighborDocumentClassifier: A k-Nearest Neighbor Document classifier (see `http://en.wikipedia.org/wiki/K-nearest_neighbors`) based on `MoreLikeThis` .
SimpleNaiveBayesDocumentClassifier: A simplistic Lucene based NaiveBayes classifier, see `http://en.wikipedia.org/wiki/Naive_Bayes_classifier`

## Package org.apache.lucene.classification.document Description

Uses already seen data (the indexed documents) to classify new documents. Currently contains a (simplistic) Naive Bayes classifier and a k-Nearest Neighbor classifier.