# Lucene 4.2.0 queries API

Queries

See: Description

Packages
org.apache.lucene.queries: Filters and Queries that add to core Lucene.
org.apache.lucene.queries.function: Queries that compute score based upon a function
org.apache.lucene.queries.function.docvalues: FunctionValues for different data types.
org.apache.lucene.queries.function.valuesource: A variety of functions to use with FunctionQuery.
org.apache.lucene.queries.mlt: Document similarity query generators.