public virtual void TestCoreLabelSetWordBehavior()
        {
            CoreLabel foo = new CoreLabel();

            foo.Set(typeof(CoreAnnotations.TextAnnotation), "foo");
            foo.Set(typeof(CoreAnnotations.PartOfSpeechAnnotation), "B");
            foo.Set(typeof(CoreAnnotations.LemmaAnnotation), "fool");
            // Lemma gets removed with word
            ArrayCoreMap copy = new ArrayCoreMap(foo);

            NUnit.Framework.Assert.AreEqual(copy, foo);
            foo.SetWord("foo");
            NUnit.Framework.Assert.AreEqual(copy, foo);
            // same word set
            foo.SetWord("bar");
            NUnit.Framework.Assert.IsFalse(copy.Equals(foo));
            // lemma removed
            foo.SetWord("foo");
            NUnit.Framework.Assert.IsFalse(copy.Equals(foo));
            // still removed
            foo.Set(typeof(CoreAnnotations.LemmaAnnotation), "fool");
            NUnit.Framework.Assert.AreEqual(copy, foo);
            // back to normal
            // Hash code is consistent
            int hashCode = foo.GetHashCode();

            NUnit.Framework.Assert.AreEqual(copy.GetHashCode(), hashCode);
            foo.SetWord("bar");
            NUnit.Framework.Assert.IsFalse(hashCode == foo.GetHashCode());
            foo.SetWord("foo");
            NUnit.Framework.Assert.IsFalse(hashCode == foo.GetHashCode());
            // Hash code doesn't care between a value of null and the key not existing
            NUnit.Framework.Assert.IsTrue(foo.Lemma() == null);
            int lemmalessHashCode = foo.GetHashCode();

            foo.Remove(typeof(CoreAnnotations.LemmaAnnotation));
            NUnit.Framework.Assert.AreEqual(lemmalessHashCode, foo.GetHashCode());
            foo.SetLemma(null);
            NUnit.Framework.Assert.AreEqual(lemmalessHashCode, foo.GetHashCode());
            foo.SetLemma("fool");
            NUnit.Framework.Assert.AreEqual(hashCode, foo.GetHashCode());
            // Check equals
            foo.SetWord("bar");
            foo.SetWord("foo");
            ArrayCoreMap nulledCopy = new ArrayCoreMap(foo);

            NUnit.Framework.Assert.AreEqual(nulledCopy, foo);
            foo.Remove(typeof(CoreAnnotations.LemmaAnnotation));
            NUnit.Framework.Assert.AreEqual(nulledCopy, foo);
        }
Example #2
0
        /// <summary>Parse a CoNLL formatted tree into a SemanticGraph object (along with a list of tokens).</summary>
        /// <param name="conll">The CoNLL formatted tree.</param>
        /// <returns>
        /// A pair of a SemanticGraph and a token list, corresponding to the parse of the sentence
        /// and to tokens in the sentence.
        /// </returns>
        protected internal virtual Pair <SemanticGraph, IList <CoreLabel> > MkTree(string conll)
        {
            IList <CoreLabel> sentence = new List <CoreLabel>();
            SemanticGraph     tree     = new SemanticGraph();

            foreach (string line in conll.Split("\n"))
            {
                if (line.Trim().Equals(string.Empty))
                {
                    continue;
                }
                string[]  fields = line.Trim().Split("\\s+");
                int       index  = System.Convert.ToInt32(fields[0]);
                string    word   = fields[1];
                CoreLabel label  = IETestUtils.MkWord(word, index);
                sentence.Add(label);
                if (fields[2].Equals("0"))
                {
                    tree.AddRoot(new IndexedWord(label));
                }
                else
                {
                    tree.AddVertex(new IndexedWord(label));
                }
                if (fields.Length > 4)
                {
                    label.SetTag(fields[4]);
                }
                if (fields.Length > 5)
                {
                    label.SetNER(fields[5]);
                }
                if (fields.Length > 6)
                {
                    label.SetLemma(fields[6]);
                }
            }
            int i = 0;

            foreach (string line_1 in conll.Split("\n"))
            {
                if (line_1.Trim().Equals(string.Empty))
                {
                    continue;
                }
                string[] fields = line_1.Trim().Split("\\s+");
                int      parent = System.Convert.ToInt32(fields[2]);
                string   reln   = fields[3];
                if (parent > 0)
                {
                    tree.AddEdge(new IndexedWord(sentence[parent - 1]), new IndexedWord(sentence[i]), new GrammaticalRelation(Language.UniversalEnglish, reln, null, null), 1.0, false);
                }
                i += 1;
            }
            return(Pair.MakePair(tree, sentence));
        }
        public static void MungeLeaves(Tree tree, bool lemmasAsLeaves, bool addMorphoToLeaves)
        {
            IList <ILabel> labels = tree.Yield();

            foreach (ILabel label in labels)
            {
                ++nTokens;
                if (!(label is CoreLabel))
                {
                    throw new ArgumentException("Only works with CoreLabels trees");
                }
                CoreLabel coreLabel = (CoreLabel)label;
                string    lemma     = coreLabel.Lemma();
                //PTB escaping since we're going to put this in the leaf
                if (lemma == null)
                {
                    // No lemma, so just add the surface form
                    lemma = coreLabel.Word();
                }
                else
                {
                    if (lemma.Equals("("))
                    {
                        lemma = "-LRB-";
                    }
                    else
                    {
                        if (lemma.Equals(")"))
                        {
                            lemma = "-RRB-";
                        }
                    }
                }
                if (lemmasAsLeaves)
                {
                    string escapedLemma = lemma;
                    coreLabel.SetWord(escapedLemma);
                    coreLabel.SetValue(escapedLemma);
                    coreLabel.SetLemma(lemma);
                }
                if (addMorphoToLeaves)
                {
                    string morphStr = coreLabel.OriginalText();
                    if (morphStr == null || morphStr.Equals(string.Empty))
                    {
                        morphStr = MorphoFeatureSpecification.NoAnalysis;
                    }
                    else
                    {
                        ++nMorphAnalyses;
                    }
                    // Normalize punctuation analyses
                    if (morphStr.StartsWith("PONCT"))
                    {
                        morphStr = "PUNC";
                    }
                    string newLeaf = string.Format("%s%s%s%s%s", coreLabel.Value(), MorphoFeatureSpecification.MorphoMark, lemma, MorphoFeatureSpecification.LemmaMark, morphStr);
                    coreLabel.SetValue(newLeaf);
                    coreLabel.SetWord(newLeaf);
                }
            }
        }
Example #4
0
        /// <summary>Create an Annotation object (with a single sentence) from the given specification.</summary>
        private static Annotation ParseSentence(Optional <string> docid, Optional <int> sentenceIndex, string gloss, Func <IList <CoreLabel>, SemanticGraph> tree, Func <IList <CoreLabel>, SemanticGraph> maltTree, IList <string> words, IList <string
                                                                                                                                                                                                                                                  > lemmas, IList <string> pos, IList <string> ner, Optional <string> sentenceid)
        {
            // Error checks
            if (lemmas.Count != words.Count)
            {
                throw new ArgumentException("Array lengths don't match: " + words.Count + " vs " + lemmas.Count + " (sentence " + sentenceid.OrElse("???") + ")");
            }
            if (pos.Count != words.Count)
            {
                throw new ArgumentException("Array lengths don't match: " + words.Count + " vs " + pos.Count + " (sentence " + sentenceid.OrElse("???") + ")");
            }
            if (ner.Count != words.Count)
            {
                throw new ArgumentException("Array lengths don't match: " + words.Count + " vs " + ner.Count + " (sentence " + sentenceid.OrElse("???") + ")");
            }
            // Create structure
            IList <CoreLabel> tokens = new List <CoreLabel>(words.Count);
            int beginChar            = 0;

            for (int i = 0; i < words.Count; ++i)
            {
                CoreLabel token = new CoreLabel(12);
                token.SetWord(words[i]);
                token.SetValue(words[i]);
                token.SetBeginPosition(beginChar);
                token.SetEndPosition(beginChar + words[i].Length);
                beginChar += words[i].Length + 1;
                token.SetLemma(lemmas[i]);
                token.SetTag(pos[i]);
                token.SetNER(ner[i]);
                token.Set(typeof(CoreAnnotations.DocIDAnnotation), docid.OrElse("???"));
                token.Set(typeof(CoreAnnotations.SentenceIndexAnnotation), sentenceIndex.OrElse(-1));
                token.Set(typeof(CoreAnnotations.IndexAnnotation), i + 1);
                token.Set(typeof(CoreAnnotations.TokenBeginAnnotation), i);
                token.Set(typeof(CoreAnnotations.TokenEndAnnotation), i + 1);
                tokens.Add(token);
            }
            gloss = gloss.Replace("\\n", "\n").Replace("\\t", "\t");
            ICoreMap sentence = new ArrayCoreMap(16);

            sentence.Set(typeof(CoreAnnotations.TokensAnnotation), tokens);
            SemanticGraph graph = tree.Apply(tokens);

            sentence.Set(typeof(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation), graph);
            sentence.Set(typeof(SemanticGraphCoreAnnotations.CollapsedDependenciesAnnotation), graph);
            sentence.Set(typeof(SemanticGraphCoreAnnotations.CollapsedCCProcessedDependenciesAnnotation), graph);
            SemanticGraph maltGraph = maltTree.Apply(tokens);

            sentence.Set(typeof(SemanticGraphCoreAnnotations.AlternativeDependenciesAnnotation), maltGraph);
            sentence.Set(typeof(CoreAnnotations.DocIDAnnotation), docid.OrElse("???"));
            sentence.Set(typeof(CoreAnnotations.SentenceIndexAnnotation), sentenceIndex.OrElse(-1));
            sentence.Set(typeof(CoreAnnotations.TextAnnotation), gloss);
            sentence.Set(typeof(CoreAnnotations.TokenBeginAnnotation), 0);
            sentence.Set(typeof(CoreAnnotations.TokenEndAnnotation), tokens.Count);
            Annotation doc = new Annotation(gloss);

            doc.Set(typeof(CoreAnnotations.TokensAnnotation), tokens);
            doc.Set(typeof(CoreAnnotations.SentencesAnnotation), Java.Util.Collections.SingletonList(sentence));
            doc.Set(typeof(CoreAnnotations.DocIDAnnotation), docid.OrElse("???"));
            doc.Set(typeof(CoreAnnotations.SentenceIndexAnnotation), sentenceIndex.OrElse(-1));
            return(doc);
        }
        /// <exception cref="System.IO.IOException"/>
        public static IList <ICoreMap> ParseFile(BufferedReader reader, ICollection <string> categoriesAllowed, IDictionary <string, Type> setClassForTheseLabels, bool setGoldClass, string sentIDprefix)
        {
            Pattern          startingLabelToken = Pattern.Compile("<(" + StringUtils.Join(categoriesAllowed, "|") + ")>");
            Pattern          endLabelToken      = Pattern.Compile("</(" + StringUtils.Join(categoriesAllowed, "|") + ")>");
            string           backgroundSymbol   = "O";
            IList <ICoreMap> sentences          = new List <ICoreMap>();
            int    lineNum = -1;
            string l       = null;

            while ((l = reader.ReadLine()) != null)
            {
                lineNum++;
                string[] t    = l.Split("\t", 2);
                string   id   = null;
                string   text = null;
                if (t.Length == 2)
                {
                    id   = t[0];
                    text = t[1];
                }
                else
                {
                    if (t.Length == 1)
                    {
                        text = t[0];
                        id   = lineNum.ToString();
                    }
                }
                id = sentIDprefix + id;
                DocumentPreprocessor dp = new DocumentPreprocessor(new StringReader(text));
                PTBTokenizer.PTBTokenizerFactory <CoreLabel> tokenizerFactory = PTBTokenizer.PTBTokenizerFactory.NewCoreLabelTokenizerFactory("ptb3Escaping=false,normalizeParentheses=false,escapeForwardSlashAsterisk=false");
                dp.SetTokenizerFactory(tokenizerFactory);
                string label   = backgroundSymbol;
                int    sentNum = -1;
                foreach (IList <IHasWord> sentence in dp)
                {
                    sentNum++;
                    string            sentStr = string.Empty;
                    IList <CoreLabel> sent    = new List <CoreLabel>();
                    foreach (IHasWord tokw in sentence)
                    {
                        string  tok             = tokw.Word();
                        Matcher startingMatcher = startingLabelToken.Matcher(tok);
                        Matcher endMatcher      = endLabelToken.Matcher(tok);
                        if (startingMatcher.Matches())
                        {
                            //System.out.println("matched starting");
                            label = startingMatcher.Group(1);
                        }
                        else
                        {
                            if (endMatcher.Matches())
                            {
                                //System.out.println("matched end");
                                label = backgroundSymbol;
                            }
                            else
                            {
                                CoreLabel      c    = new CoreLabel();
                                IList <string> toks = new List <string>();
                                toks.Add(tok);
                                foreach (string toksplit in toks)
                                {
                                    sentStr += " " + toksplit;
                                    c.SetWord(toksplit);
                                    c.SetLemma(toksplit);
                                    c.SetValue(toksplit);
                                    c.Set(typeof(CoreAnnotations.TextAnnotation), toksplit);
                                    c.Set(typeof(CoreAnnotations.OriginalTextAnnotation), tok);
                                    if (setGoldClass)
                                    {
                                        c.Set(typeof(CoreAnnotations.GoldAnswerAnnotation), label);
                                    }
                                    if (setClassForTheseLabels != null && setClassForTheseLabels.Contains(label))
                                    {
                                        c.Set(setClassForTheseLabels[label], label);
                                    }
                                    sent.Add(c);
                                }
                            }
                        }
                    }
                    ICoreMap sentcm = new ArrayCoreMap();
                    sentcm.Set(typeof(CoreAnnotations.TextAnnotation), sentStr.Trim());
                    sentcm.Set(typeof(CoreAnnotations.TokensAnnotation), sent);
                    sentcm.Set(typeof(CoreAnnotations.DocIDAnnotation), id + "-" + sentNum);
                    sentences.Add(sentcm);
                }
            }
            return(sentences);
        }
Example #6
0
        protected internal virtual ICollection <string> Clauses(string conll)
        {
            IList <CoreLabel> sentence = new List <CoreLabel>();
            SemanticGraph     tree     = new SemanticGraph();

            foreach (string line in conll.Split("\n"))
            {
                if (line.Trim().Equals(string.Empty))
                {
                    continue;
                }
                string[]  fields = line.Trim().Split("\\s+");
                int       index  = System.Convert.ToInt32(fields[0]);
                string    word   = fields[1];
                CoreLabel label  = MkWord(word, index);
                sentence.Add(label);
                if (fields[2].Equals("0"))
                {
                    tree.AddRoot(new IndexedWord(label));
                }
                else
                {
                    tree.AddVertex(new IndexedWord(label));
                }
                if (fields.Length > 4)
                {
                    label.SetTag(fields[4]);
                }
                if (fields.Length > 5)
                {
                    label.SetNER(fields[5]);
                }
                if (fields.Length > 6)
                {
                    label.SetLemma(fields[6]);
                }
            }
            int i = 0;

            foreach (string line_1 in conll.Split("\n"))
            {
                if (line_1.Trim().Equals(string.Empty))
                {
                    continue;
                }
                string[] fields = line_1.Trim().Split("\\s+");
                int      parent = System.Convert.ToInt32(fields[2]);
                string   reln   = fields[3];
                if (parent > 0)
                {
                    tree.AddEdge(new IndexedWord(sentence[parent - 1]), new IndexedWord(sentence[i]), new GrammaticalRelation(Language.English, reln, null, null), 1.0, false);
                }
                i += 1;
            }
            // Run extractor
            ClauseSplitterSearchProblem problem = new ClauseSplitterSearchProblem(tree, true);
            ICollection <string>        clauses = new HashSet <string>();

            problem.Search(null, new LinearClassifier <ClauseSplitter.ClauseClassifierLabel, string>(new ClassicCounter <Pair <string, ClauseSplitter.ClauseClassifierLabel> >()), ClauseSplitterSearchProblem.HardSplits, null, 100000);
            return(clauses);
        }