# Uses of Interface
org.apache.lucene.classification.document.DocumentClassifier

Packages that use DocumentClassifier
Package
Description
org.apache.lucene.classification.document
Uses already seen data (the indexed documents) to classify new documents.

- ## Uses of DocumentClassifier in org.apache.lucene.classification.document

  Classes in org.apache.lucene.classification.document that implement DocumentClassifier
  Modifier and Type
  Class
  Description
  `class`
  `KNearestNeighborDocumentClassifier`
  A k-Nearest Neighbor Document classifier (see `http://en.wikipedia.org/wiki/K-nearest_neighbors`) based on `MoreLikeThis` .
  `class`
  `SimpleNaiveBayesDocumentClassifier`
  A simplistic Lucene based NaiveBayes classifier, see `http://en.wikipedia.org/wiki/Naive_Bayes_classifier`