private RVFDatum <string, string> GetDatum(CoreLabel[] sent, int i)
{
ICounter <string> feat = new ClassicCounter <string>();
CoreLabel l = sent[i];
string label;
if (l.Get(answerClass).ToString().Equals(answerLabel))
{
label = answerLabel;
}
else
{
label = "O";
}
CollectionValuedMap <string, CandidatePhrase> matchedPhrases = l.Get(typeof(PatternsAnnotations.MatchedPhrases));
if (matchedPhrases == null)
{
matchedPhrases = new CollectionValuedMap <string, CandidatePhrase>();
matchedPhrases.Add(label, CandidatePhrase.CreateOrGet(l.Word()));
}
foreach (CandidatePhrase w in matchedPhrases.AllValues())
{
int num = this.clusterIds[w.GetPhrase()];
if (num == null)
{
num = -1;
}
feat.SetCount("Cluster-" + num, 1.0);
}
// feat.incrementCount("WORD-" + l.word());
// feat.incrementCount("LEMMA-" + l.lemma());
// feat.incrementCount("TAG-" + l.tag());
int window = 0;
for (int j = Math.Max(0, i - window); j < i; j++)
{
CoreLabel lj = sent[j];
feat.IncrementCount("PREV-" + "WORD-" + lj.Word());
feat.IncrementCount("PREV-" + "LEMMA-" + lj.Lemma());
feat.IncrementCount("PREV-" + "TAG-" + lj.Tag());
}
for (int j_1 = i + 1; j_1 < sent.Length && j_1 <= i + window; j_1++)
{
CoreLabel lj = sent[j_1];
feat.IncrementCount("NEXT-" + "WORD-" + lj.Word());
feat.IncrementCount("NEXT-" + "LEMMA-" + lj.Lemma());
feat.IncrementCount("NEXT-" + "TAG-" + lj.Tag());
}
// System.out.println("adding " + l.word() + " as " + label);
return(new RVFDatum <string, string>(feat, label));
}
internal static ICollection <DepPattern> GetContext(IndexedWord w, SemanticGraph graph, ICollection <CandidatePhrase> stopWords, DataInstance sent)
{
ICollection <DepPattern> patterns = new HashSet <DepPattern>();
IndexedWord node = w;
int depth = 1;
while (depth <= upDepth)
{
IndexedWord parent = graph.GetParent(node);
if (parent == null)
{
break;
}
GrammaticalRelation rel = graph.Reln(parent, node);
foreach (Pattern tagPattern in allowedTagPatternForTrigger)
{
if (tagPattern.Matcher(parent.Tag()).Matches())
{
if (!IfIgnoreRel(rel) && !stopWords.Contains(CandidatePhrase.CreateOrGet(parent.Word())) && parent.Word().Length > 1)
{
Pair <IndexedWord, GrammaticalRelation> pattern = new Pair <IndexedWord, GrammaticalRelation>(parent, rel);
DepPattern patterndep = PatternToDepPattern(pattern, sent);
if (depth <= upDepth)
{
patterns.Add(patterndep);
}
}
}
}
// if (depth <= maxDepth) {
// Counter<String> phrasesForPattern = phrasesForPatternForSent.get(patternStr);
// if (phrasesForPattern == null)
// phrasesForPattern = new ClassicCounter<String>();
// phrasesForPattern.incrementCount(phrase);
// phrasesForPatternForSent.put(patternStr, phrasesForPattern);
// }
// if (DEBUG >= 1)
// System.out.println("for phrase " + phrase + " pattern is " + patternStr);
node = parent;
depth++;
}
return(patterns);
}
/// <exception cref="System.Exception"/>
public virtual Triple <TwoDimensionalCounter <CandidatePhrase, E>, CollectionValuedMap <E, Triple <string, int, int> >, ICollection <CandidatePhrase> > Call()
{
// CollectionValuedMap<String, Integer> tokensMatchedPattern = new
// CollectionValuedMap<String, Integer>();
try
{
ICollection <CandidatePhrase> alreadyLabeledPhrases = new HashSet <CandidatePhrase>();
TwoDimensionalCounter <CandidatePhrase, E> allFreq = new TwoDimensionalCounter <CandidatePhrase, E>();
CollectionValuedMap <E, Triple <string, int, int> > matchedTokensByPat = new CollectionValuedMap <E, Triple <string, int, int> >();
foreach (string sentid in sentids)
{
IList <CoreLabel> sent = sents[sentid].GetTokens();
foreach (KeyValuePair <TokenSequencePattern, E> pEn in patterns)
{
if (pEn.Key == null)
{
throw new Exception("why is the pattern " + pEn + " null?");
}
TokenSequenceMatcher m = ((TokenSequenceMatcher)pEn.Key.GetMatcher(sent));
// //Setting this find type can save time in searching - greedy and reluctant quantifiers are not enforced
// m.setFindType(SequenceMatcher.FindType.FIND_ALL);
//Higher branch values makes the faster but uses more memory
m.SetBranchLimit(5);
while (m.Find())
{
int s = m.Start("$term");
int e = m.End("$term");
System.Diagnostics.Debug.Assert(e - s <= PatternFactory.numWordsCompoundMapped[label], "How come the pattern " + pEn.Key + " is extracting phrases longer than numWordsCompound of " + PatternFactory.numWordsCompoundMapped[label] + " for label "
+ label);
string phrase = string.Empty;
string phraseLemma = string.Empty;
bool useWordNotLabeled = false;
bool doNotUse = false;
//find if the neighboring words are labeled - if so - club them together
if (constVars.clubNeighboringLabeledWords)
{
for (int i = s - 1; i >= 0; i--)
{
if (!sent[i].Get(constVars.GetAnswerClass()[label]).Equals(label))
{
s = i + 1;
break;
}
}
for (int i_1 = e; i_1 < sent.Count; i_1++)
{
if (!sent[i_1].Get(constVars.GetAnswerClass()[label]).Equals(label))
{
e = i_1;
break;
}
}
}
//to make sure we discard phrases with stopwords in between, but include the ones in which stop words were removed at the ends if removeStopWordsFromSelectedPhrases is true
bool[] addedindices = new bool[e - s];
// Arrays.fill(addedindices, false); // not needed as initialized false
for (int i_2 = s; i_2 < e; i_2++)
{
CoreLabel l = sent[i_2];
l.Set(typeof(PatternsAnnotations.MatchedPattern), true);
if (!l.ContainsKey(typeof(PatternsAnnotations.MatchedPatterns)) || l.Get(typeof(PatternsAnnotations.MatchedPatterns)) == null)
{
l.Set(typeof(PatternsAnnotations.MatchedPatterns), new HashSet <Pattern>());
}
SurfacePattern pSur = (SurfacePattern)pEn.Value;
System.Diagnostics.Debug.Assert(pSur != null, "Why is " + pEn.Value + " not present in the index?!");
System.Diagnostics.Debug.Assert(l.Get(typeof(PatternsAnnotations.MatchedPatterns)) != null, "How come MatchedPatterns class is null for the token. The classes in the key set are " + l.KeySet());
l.Get(typeof(PatternsAnnotations.MatchedPatterns)).Add(pSur);
foreach (KeyValuePair <Type, object> ig in constVars.GetIgnoreWordswithClassesDuringSelection()[label])
{
if (l.ContainsKey(ig.Key) && l.Get(ig.Key).Equals(ig.Value))
{
doNotUse = true;
}
}
bool containsStop = ContainsStopWord(l, constVars.GetCommonEngWords(), PatternFactory.ignoreWordRegex);
if (removePhrasesWithStopWords && containsStop)
{
doNotUse = true;
}
else
{
if (!containsStop || !removeStopWordsFromSelectedPhrases)
{
if (label == null || l.Get(constVars.GetAnswerClass()[label]) == null || !l.Get(constVars.GetAnswerClass()[label]).Equals(label))
{
useWordNotLabeled = true;
}
phrase += " " + l.Word();
phraseLemma += " " + l.Lemma();
addedindices[i_2 - s] = true;
}
}
}
for (int i_3 = 0; i_3 < addedindices.Length; i_3++)
{
if (i_3 > 0 && i_3 < addedindices.Length - 1 && addedindices[i_3 - 1] == true && addedindices[i_3] == false && addedindices[i_3 + 1] == true)
{
doNotUse = true;
break;
}
}
if (!doNotUse)
{
matchedTokensByPat.Add(pEn.Value, new Triple <string, int, int>(sentid, s, e - 1));
phrase = phrase.Trim();
if (!phrase.IsEmpty())
{
phraseLemma = phraseLemma.Trim();
CandidatePhrase candPhrase = CandidatePhrase.CreateOrGet(phrase, phraseLemma);
allFreq.IncrementCount(candPhrase, pEn.Value, 1.0);
if (!useWordNotLabeled)
{
alreadyLabeledPhrases.Add(candPhrase);
}
}
}
}
}
}
return(new Triple <TwoDimensionalCounter <CandidatePhrase, E>, CollectionValuedMap <E, Triple <string, int, int> >, ICollection <CandidatePhrase> >(allFreq, matchedTokensByPat, alreadyLabeledPhrases));
}
catch (Exception e)
{
logger.Error(e);
throw;
}
}
/// <exception cref="System.Exception"/>
public virtual Pair <TwoDimensionalCounter <CandidatePhrase, E>, CollectionValuedMap <E, Triple <string, int, int> > > Call()
{
// CollectionValuedMap<String, Integer> tokensMatchedPattern = new
// CollectionValuedMap<String, Integer>();
TwoDimensionalCounter <CandidatePhrase, E> allFreq = new TwoDimensionalCounter <CandidatePhrase, E>();
CollectionValuedMap <E, Triple <string, int, int> > matchedTokensByPat = new CollectionValuedMap <E, Triple <string, int, int> >();
foreach (string sentid in sentids)
{
DataInstance sent = sents[sentid];
IList <CoreLabel> tokens = sent.GetTokens();
foreach (KeyValuePair <SemgrexPattern, E> pEn in patterns)
{
if (pEn.Key == null)
{
throw new Exception("why is the pattern " + pEn + " null?");
}
SemanticGraph graph = ((DataInstanceDep)sent).GetGraph();
//SemgrexMatcher m = pEn.getKey().matcher(graph);
//TokenSequenceMatcher m = pEn.getKey().matcher(sent);
// //Setting this find type can save time in searching - greedy and reluctant quantifiers are not enforced
// m.setFindType(SequenceMatcher.FindType.FIND_ALL);
//Higher branch values makes the faster but uses more memory
//m.setBranchLimit(5);
ICollection <ExtractedPhrase> matched = GetMatchedTokensIndex(graph, pEn.Key, sent, label);
foreach (ExtractedPhrase match in matched)
{
int s = match.startIndex;
int e = match.endIndex + 1;
string phrase = string.Empty;
string phraseLemma = string.Empty;
bool useWordNotLabeled = false;
bool doNotUse = false;
//find if the neighboring words are labeled - if so - club them together
if (constVars.clubNeighboringLabeledWords)
{
for (int i = s - 1; i >= 0; i--)
{
if (tokens[i].Get(constVars.GetAnswerClass()[label]).Equals(label) && (e - i + 1) <= PatternFactory.numWordsCompoundMapped[label])
{
s = i;
}
else
{
//System.out.println("for phrase " + match + " clubbing earlier word. new s is " + s);
break;
}
}
for (int i_1 = e; i_1 < tokens.Count; i_1++)
{
if (tokens[i_1].Get(constVars.GetAnswerClass()[label]).Equals(label) && (i_1 - s + 1) <= PatternFactory.numWordsCompoundMapped[label])
{
e = i_1;
}
else
{
//System.out.println("for phrase " + match + " clubbing next word. new e is " + e);
break;
}
}
}
//to make sure we discard phrases with stopwords in between, but include the ones in which stop words were removed at the ends if removeStopWordsFromSelectedPhrases is true
bool[] addedindices = new bool[e - s];
// Arrays.fill(addedindices, false); // get for free on array initialization
for (int i_2 = s; i_2 < e; i_2++)
{
CoreLabel l = tokens[i_2];
l.Set(typeof(PatternsAnnotations.MatchedPattern), true);
if (!l.ContainsKey(typeof(PatternsAnnotations.MatchedPatterns)) || l.Get(typeof(PatternsAnnotations.MatchedPatterns)) == null)
{
l.Set(typeof(PatternsAnnotations.MatchedPatterns), new HashSet <Pattern>());
}
Pattern pSur = pEn.Value;
System.Diagnostics.Debug.Assert(pSur != null, "Why is " + pEn.Value + " not present in the index?!");
System.Diagnostics.Debug.Assert(l.Get(typeof(PatternsAnnotations.MatchedPatterns)) != null, "How come MatchedPatterns class is null for the token. The classes in the key set are " + l.KeySet());
l.Get(typeof(PatternsAnnotations.MatchedPatterns)).Add(pSur);
foreach (KeyValuePair <Type, object> ig in constVars.GetIgnoreWordswithClassesDuringSelection()[label])
{
if (l.ContainsKey(ig.Key) && l.Get(ig.Key).Equals(ig.Value))
{
doNotUse = true;
}
}
bool containsStop = ContainsStopWord(l, constVars.GetCommonEngWords(), PatternFactory.ignoreWordRegex);
if (removePhrasesWithStopWords && containsStop)
{
doNotUse = true;
}
else
{
if (!containsStop || !removeStopWordsFromSelectedPhrases)
{
if (label == null || l.Get(constVars.GetAnswerClass()[label]) == null || !l.Get(constVars.GetAnswerClass()[label]).Equals(label))
{
useWordNotLabeled = true;
}
phrase += " " + l.Word();
phraseLemma += " " + l.Lemma();
addedindices[i_2 - s] = true;
}
}
}
for (int i_3 = 0; i_3 < addedindices.Length; i_3++)
{
if (i_3 > 0 && i_3 < addedindices.Length - 1 && addedindices[i_3 - 1] == true && addedindices[i_3] == false && addedindices[i_3 + 1] == true)
{
doNotUse = true;
break;
}
}
if (!doNotUse && useWordNotLabeled)
{
matchedTokensByPat.Add(pEn.Value, new Triple <string, int, int>(sentid, s, e - 1));
if (useWordNotLabeled)
{
phrase = phrase.Trim();
phraseLemma = phraseLemma.Trim();
allFreq.IncrementCount(CandidatePhrase.CreateOrGet(phrase, phraseLemma, match.GetFeatures()), pEn.Value, 1.0);
}
}
}
}
}
return(new Pair <TwoDimensionalCounter <CandidatePhrase, E>, CollectionValuedMap <E, Triple <string, int, int> > >(allFreq, matchedTokensByPat));
}