===================
``classify`` module
===================

.. automodule:: whoosh.classify

See :doc:`the keyword extraction guide </keywords>` for a task-oriented
introduction to query expansion and "more like this".


Expander
========

.. autoclass:: Expander
    :members:


Expansion models
================

.. autoclass:: ExpansionModel
    :members:

.. autoclass:: Bo1Model

.. autoclass:: Bo2Model

.. autoclass:: KLModel