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Xapian is a search engine library, scalable to collections containing hundreds of millions of documents. It's written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C#, Ruby, and Lua. It is a highly adaptable toolkit that allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model and also a rich set of boolean query operators. Omega is a Web search application built upon the Xapian library. It can index a Web server's document tree (including HTML, PDF, OpenOffice, MS Word/Excel/Powerpoint/Works, WordPerfect, RTF, PS, etc.), or data exported from arbitrary sources (e.g. SQL databases).

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2010-04-15 21:24

This release fixes a few bugs and improves the efficiency of updating positional information for documents.
標籤: Bug fixes

2009-11-19 19:37

This release fixes a couple of query parsing bugs, improves portability, and fixes some bugs in omindex concerned with running external filter programs.
標籤: Minor bugfixes, Stable

2009-09-10 22:38

If the program fails to get a database write lock, the child lock process is now cleaned up properly. A build failure on Mac OS X 10.6 has been fixed. A cross-site scripting vulnerability in omega's reporting of exceptions has been fixed.
標籤: Bug fixes

2009-08-27 18:45

WritableDatabase::replace_document() is now lazier, so for example you can add or change a value of an existing document without rewriting all the term data. The API documentation has been improved. Omega's omindex now correctly handles paths when calling external filter programs on Microsoft Windows.
標籤: Minor feature enhancements, Minor bugfixes

2009-07-22 23:33

The xapian-core shared library is now about 4% smaller and requires about 2300 fewer relocations. A potential infinite loop in omindex and scriptindex has been fixed. This manifested when reading files under Cygwin with automatic end of line translation enabled.
標籤: faster, smaller, Bug fixes, Stable

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