Separately or in combination with faceted navigation mindsteps delivers full website search (with auto-complete) based on:
From Wikipedia, the free encyclopedia
Apache Lucene is a free/open source information retrieval software library, originally created in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License.
Lucene has been ported to other programming languages including Delphi, Perl, C#, C++, Python, Ruby and PHP.
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