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Foundation ::
Artificial Intelligence and Expert Systems ::
Qanda
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Qanda
MITRE's Open Source Question Answering System
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Moderators:
John Burger
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Total downloads from Open Channel to date: 1275
SOURCE CODE AVAILABLE
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MITRE is in the process of making its TREC question answering system publicly available under an Open Source license. Qanda is composed of a number of components, including:
- question analyzer
- IR wrappers
- tokenizer
- entity taggers
- answer collators
All of these modules interoperate using the Catalyst architecture. Many of them can also operate in a standard XML pipeline mode.
Eventually, we will have all of these components, as well as Catalyst, available for download. As a first step, you can download Phrag, our HMM-based phrase tagger. Most of our research on Phrag has investigated its use as a named entity tagger, but it can also be trained to operate as a part-of-speech tagger, a syntactic chunker, etc.
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Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by the Mitre Corporation
ALL RIGHTS RESERVED
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