/// <summary>
/// Gets training instance parse tree as a NomBank node, marking predicates and support verbs
/// as determined from constructor.
/// </summary>
/// <param name="mrgFile">MRG file of tree</param>
/// <param name="sentenceNumber">Sentence number of tree</param>
/// <returns>Training instance parse tree as a NomBank node</returns>
protected override TreeBankNode GetTrainingInstanceParseTree(string mrgFile, int sentenceNumber)
{
// get parse tree as usual
TreeBankNode parseTree = base.GetTrainingInstanceParseTree(mrgFile, sentenceNumber);
// turn parse tree into NomBank tree
NomBankNode nomBankParseTree = new NomBankNode(parseTree);
// label predicate and support verb nodes
if (_labelPredicates || _labelSupportVerbs)
{
/* get MRG file in gold-parsed NomBank engine...we must use the gold NomBank engine for marking stuff because
* the automatic version won't know about all of the markables due to syntactic parse errors that prevent some
* propositions from being included in the auto-parse propositions file */
string goldMrgFile = _goldParsedNomBankEngine.GetFullMrgPath(mrgFile);
foreach (NomBankNode token in nomBankParseTree.Tokens)
{
int tokenNumber = token.TokenNumber;
if (_labelPredicates)
{
if (_goldParsedNomBankEngine.TokenIsMarkable(goldMrgFile, sentenceNumber, tokenNumber))
{
token.AddLabel(new NomBankNodeLabel(NomBankNodeLabel.NodeType.Predicate, 1), true);
}
}
if (_labelSupportVerbs)
{
if (_goldParsedNomBankEngine.TokenIsSupportVerb(goldMrgFile, sentenceNumber, tokenNumber))
{
token.AddLabel(new NomBankNodeLabel(NomBankNodeLabel.NodeType.Support, 1), true);
}
}
}
}
return(nomBankParseTree);
}
/// <summary>
/// Tests the current node
/// </summary>
/// <param name="nomBankEngine">NomBankEngine to use in testing</param>
public void Test(NomBankEngine nomBankEngine)
{
// check predicate node
if (IsPredicate && !nomBankEngine.TokenIsMarkable(MrgFile, SentenceNumber, TokenNumber))
{
throw new Exception("Invalid markable token entry");
}
// check support verbs
if (IsSupportVerb && !nomBankEngine.TokenIsSupportVerb(MrgFile, SentenceNumber, TokenNumber))
{
throw new Exception("Support verb mismatch");
}
// check morphological variant
if (IsRoot && !nomBankEngine.ContainsMorphologicalVariantOf(Information.Noun))
{
throw new Exception("Noun does not exist in section");
}
// test children nodes
IEnumerator <TreeBankNode> childEnum = Children;
while (childEnum.MoveNext())
{
(childEnum.Current as NomBankNode).Test(nomBankEngine);
}
RoleSet roleSet = (Root as NomBankNode).RoleSet;
foreach (Role role in roleSet)
{
if (roleSet.Get(role.Number).Description != role.Description)
{
throw new Exception();
}
}
}