00465    a2200181   4500001000700000003000400007005001700011008004100028020001800069082001700087100001700104245005100121260002900172300001000201653002100211653002800232653002300260148719OSt20211011125922.0                                          a9788131708958  a006.35bA53N1 aAllen, James1 aNatural language understandingcby James Allen  aNew DelhibPearsonc2007  a654p.  aComputer Science  aArtificial intelligence  aLanguage and logic