// collapseMultiwordPreps(list);
private static void CollapsePrepAndPoss(ICollection <TypedDependency> list)
{
ICollection <TypedDependency> newTypedDeps = new List <TypedDependency>();
// Construct a map from words to the set of typed
// dependencies in which the word appears as governor.
IDictionary <IndexedWord, ICollection <TypedDependency> > map = Generics.NewHashMap();
foreach (TypedDependency typedDep in list)
{
if (!map.Contains(typedDep.Gov()))
{
map[typedDep.Gov()] = Generics.NewHashSet <TypedDependency>();
}
map[typedDep.Gov()].Add(typedDep);
}
//log.info("here's the map: " + map);
foreach (TypedDependency td1 in list)
{
if (td1.Reln() != GrammaticalRelation.Kill)
{
IndexedWord td1Dep = td1.Dep();
string td1DepPOS = td1Dep.Tag();
// find all other typedDeps having our dep as gov
ICollection <TypedDependency> possibles = map[td1Dep];
if (possibles != null)
{
// look for the "second half"
foreach (TypedDependency td2 in possibles)
{
// TreeGraphNode td2Dep = td2.dep();
// String td2DepPOS = td2Dep.parent().value();
if (td1.Reln() == GrammaticalRelation.Dependent && td2.Reln() == GrammaticalRelation.Dependent && td1DepPOS.Equals("P"))
{
GrammaticalRelation td3reln = ChineseGrammaticalRelations.ValueOf(td1Dep.Value());
if (td3reln == null)
{
td3reln = GrammaticalRelation.ValueOf(Language.Chinese, td1Dep.Value());
}
TypedDependency td3 = new TypedDependency(td3reln, td1.Gov(), td2.Dep());
//log.info("adding: " + td3);
newTypedDeps.Add(td3);
td1.SetReln(GrammaticalRelation.Kill);
// remember these are "used up"
td2.SetReln(GrammaticalRelation.Kill);
}
}
// remember these are "used up"
// Now we need to see if there any TDs that will be "orphaned"
// by this collapse. Example: if we have:
// dep(drew, on)
// dep(on, book)
// dep(on, right)
// the first two will be collapsed to on(drew, book), but then
// the third one will be orphaned, since its governor no
// longer appears. So, change its governor to 'drew'.
if (td1.Reln().Equals(GrammaticalRelation.Kill))
{
foreach (TypedDependency td2_1 in possibles)
{
if (!td2_1.Reln().Equals(GrammaticalRelation.Kill))
{
//log.info("td1 & td2: " + td1 + " & " + td2);
td2_1.SetGov(td1.Gov());
}
}
}
}
}
}
// now copy remaining unkilled TDs from here to new
foreach (TypedDependency td in list)
{
if (!td.Reln().Equals(GrammaticalRelation.Kill))
{
newTypedDeps.Add(td);
}
}
list.Clear();
// forget all (esp. killed) TDs
Sharpen.Collections.AddAll(list, newTypedDeps);
}
public ChineseGrammaticalStructure(Tree t, IPredicate <string> puncFilter, IHeadFinder hf)
: base(t, ChineseGrammaticalRelations.Values(), ChineseGrammaticalRelations.ValuesLock(), null, hf, puncFilter, Filters.AcceptFilter())
{
}