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Datum is a simple question answering system.
http://da.vidr.cc/projects/datum/
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README
Datum[1] is a simple question answering[2] system. Natural language parsing and generation is achieved through the use of templates. Fact retrieval and inference is performed by a Datalog[3] implementation, which uses the "execution of concurrent machines" approach as described in [4]. The fact and rule databases are backed by JDO, so should be compatible with any database system supported by a JDO implementation e.g. DataNucleus[5]. Datum depends on the following libraries: - DataNucleus [5] - ANTLR v3 [6] - Apache Commons Lang [7] See the INSTALL file for compilation and usage information. [1] http://da.vidr.cc/projects/datum/ [2] http://en.wikipedia.org/wiki/Question_answering [3] http://en.wikipedia.org/wiki/Datalog [4] http://www.cs.sunysb.edu/~warren/xsbbook/node15.html [5] http://www.datanucleus.org/ [6] http://antlr.org/ [7] http://commons.apache.org/lang/