コード例 #1
0
ファイル: OwlAxiomReasoner.py プロジェクト: AwelEshetu/cwm
def checkConsistency(inputDocument,
                     entailedDocument=None,
                     requiredDatatypes=[],    # dt not impl
                     forbiddenDatatypes=[],
                     maxSeconds=5,
                     axiomTags=(),
                     inputFileName=None,
                     outputFileName=None):
    """An OWL consistency checker takes a document as input, and
       returns one word being Consistent, Inconsistent, or Unknown.

       An OWL consistency checker SHOULD report network errors
       occurring during the computation of the imports closure.

       
          -- from http://www.w3.org/TR/owl-test/#conformance

       Search for an inconsistency & see what we find!

       ...   Meanwhile, if we also have an "entailedDocument",
       add its negation; Inconsistent==Entailed, etc.
    """

    for dt in requiredDatatypes:
        # if not supported, ... but they are ALL not supported right now!
        raise UnsupportedDatatype, dt

    kb = LX.kb.KB()
    kb.firstOrder = True    #   use rdf(s,p,o) instead of p(s,o)

    try:
        kb.load(inputDocument)

        if entailedDocument:
            kb2 = LX.kb.KB()
            kb2.firstOrder = True    #   use rdf(s,p,o) instead of p(s,o)
            kb2.load(entailedDocument)
            #print "Adding negated:", kb2
            kb.add(LX.logic.NOT(kb2.asFormula()))
            #print "Giving us:", kb

        # possible huge performance gains by using subset of axioms (when that's not cheating)
        # possible huge performance gains by puting kb [or just kb2 if present] into SOS
        #kb.gather(prefixMap)

        try:
            LX.engine.otter.run(kb, 
                                includes=[axiomFile % tag for tag in axiomTags],
                                maxSeconds=maxSeconds,
                                inputFileName=inputFileName,
                                outputFileName=outputFileName)
            return "Inconsistent"
        except LX.engine.otter.SOSEmpty:
            return "Consistent"
        except LX.engine.otter.TimeoutBeforeAnyProof:
            return "Unknown"
    except LX.kb.UnsupportedDatatype, e:
        raise UnsupportedDatatype, e
コード例 #2
0
ファイル: kifax.py プロジェクト: AwelEshetu/cwm
def p_axiom(t):
    '''axiom : LPAREN tagList BODY sentence RPAREN'''
    #print "Adding formula %s\n" % t[4]
    kb.add(t[4])
コード例 #3
0
ファイル: lbase.py プロジェクト: AwelEshetu/cwm
def p_formulaList_more(t):
    '''formulaList : formulaList formula PERIOD'''
    #print "Adding formula %s\n" % t[2]
    kb.add(t[2])