xapian-core: xapian-core (search engine library)
xapian-core:
xapian-core: Xapian is an Open Source Search Engine Library released under the GPL.
xapian-core: It's written in C++, with bindings to allow use from Perl, Python,
xapian-core: PHP, Java, Tcl, C#, and Ruby (so far!).   Xapian is a highly adaptable
xapian-core: toolkit which allows developers to easily add advanced indexing and
xapian-core: search facilities to their own applications.  It supports the
xapian-core: Probabilistic Information Retrieval model and also supports a rich
xapian-core: set of boolean query operators.
xapian-core:
xapian-core: http://www.xapian.org/