private String[] toSentence(ArrayList<Word> words) { String[] sent = new String[words.size()]; for (int k = 0; k < words.size(); k++) { sent[k] = words.get(k).getValue(); } return sent; }
public static ArrayList<ArrayList<TaggedWord>> getPhrasesNaive( String sentence, LexicalizedParser lp, AbstractSequenceClassifier<CoreLabel> classifier) { ArrayList<ArrayList<TaggedWord>> newList = new ArrayList<ArrayList<TaggedWord>>(); ArrayList<TaggedWord> taggedWords = StanfordNER.parse(sentence, lp, classifier); HashMap<String, String> phraseBoundaries = new HashMap<String, String>(); phraseBoundaries.put(",", ","); phraseBoundaries.put("\"", "\""); phraseBoundaries.put("''", "''"); phraseBoundaries.put("``", "``"); phraseBoundaries.put("--", "--"); // List<Tree> leaves = parse.getLeaves(); ArrayList<TaggedWord> temp = new ArrayList<TaggedWord>(); int index = 0; while (index < taggedWords.size()) { if ((phraseBoundaries.containsKey(taggedWords.get(index).word()))) { if (temp.size() > 0) { // System.out.println(temp); ArrayList<TaggedWord> tempCopy = new ArrayList<TaggedWord>(temp); newList.add(Preprocess(tempCopy)); } temp.clear(); } else { // System.out.println(taggedWords.get(index).toString()); temp.add(taggedWords.get(index)); } index += 1; } if (temp.size() > 0) { ArrayList<TaggedWord> tempCopy = new ArrayList<TaggedWord>(temp); newList.add(Preprocess(tempCopy)); } // System.out.println(newList); return newList; }
private String findSynonym(ArrayList<Word> sentence, int indexToReplace /*<Word wordIn>*/) { /** * Takes in one String of a word, hopefully only one word(will truncate after space), and * searches for a suitable synonym * * <p>* */ String output = ""; // String word; // word=wordIn.getString(); String word = sentence.get(indexToReplace).getValue(); Synset[] synsets = database.getSynsets(word); synonyms.clear(); if (synsets.length > 0) { for (int i = 0; i < synsets.length; i++) { String[] wordForms = synsets[i].getWordForms(); for (int j = 0; j < wordForms.length; j++) { if (wordForms[j].contains(" ")) { System.out.println(wordForms[j]); } else if (!wordForms[j].equals(word)) synonyms.add(wordForms[j]); } } // FIND IF PLURAL OR NO HERE /////////////////////////// ###########################//////////////////// Collections.sort(synonyms, myLengthComparator); // synonyms is now sorted as longest first // now we have a list of all the terms that can replace the word. // We need to check them in the lexical analyzer // System.out.println("kkkk"); if (synonyms.size() == 0) return word; while (!LexicalAnalyzer(sentence, indexToReplace, synonyms.get(0))) { // System.out.println("1"); synonyms.remove(0); if (synonyms.size() == 0) return word; // did not find synonym if (synonyms.get(0).length() <= word.length()) { return word; // do not replace word, synonyms are shorter } } ////////////// ############# PLACEHOLDER CODE if (synonyms.size() > 0) output = synonyms.get(0); else output = word; ///////////// ################# PLACEHOLDER CODE } else { // There are no other known synonyms in our wordnet database. output = word; } return output; }
public static double LexicalSimilarityScoreMax( ArrayList<TaggedWord> taggedWords1, ArrayList<TaggedWord> taggedWords2, DISCOSimilarity discoRAM, LexicalizedParser lp) { // System.out.println(taggedWords1.size() + "," + taggedWords2.size()); // array of edge weights with default weight 0 int length1 = taggedWords1.size(); int length2 = taggedWords2.size(); int arrSize = Math.max(length1, length2); double[][] array = new double[arrSize][arrSize]; for (int i = 0; i < arrSize; i++) { for (int j = 0; j < arrSize; j++) { array[i][j] = 0; } } for (int i = 0; i < length1; i++) { for (int j = 0; j < length2; j++) { String word1 = taggedWords1.get(i).word(); String posTag1 = taggedWords1.get(i).tag(); String word2 = taggedWords2.get(j).word(); String posTag2 = taggedWords2.get(j).tag(); ArrayList<TaggedWord> newList1 = new ArrayList<TaggedWord>(); if (posTag1.length() >= 3 && posTag1.substring(0, 3).equals("NNP")) { newList1.add(taggedWords1.get(i)); } else { String[] words = word1.split(" "); for (int k = 0; k < words.length; k++) newList1.add(new TaggedWord(words[k], posTag1)); } ArrayList<TaggedWord> newList2 = new ArrayList<TaggedWord>(); if (posTag2.length() >= 3 && posTag2.substring(0, 3).equals("NNP")) { newList2.add(taggedWords2.get(j)); } else { String[] words = word2.split(" "); for (int k = 0; k < words.length; k++) newList2.add(new TaggedWord(words[k], posTag2)); } double edgeWeight = LexicalSimilarityScoreMin(newList1, newList2, discoRAM, lp); array[i][j] = edgeWeight; } } // System.out.println("Hungarian starts " + arrSize); double finalScore; String sumType = "max"; // int minLength = Math.min(length1, length2); // finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType)/minLength * 5; finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType) / arrSize * 5; return finalScore; }
public static double LexicalSimilarityScoreMin( ArrayList<TaggedWord> taggedWords1, ArrayList<TaggedWord> taggedWords2, DISCOSimilarity discoRAM, LexicalizedParser lp) { // System.out.println(taggedWords1.size() + "," + taggedWords2.size()); // array of edge weights with default weight 0 int length1 = taggedWords1.size(); int length2 = taggedWords2.size(); int arrSize = Math.max(length1, length2); double[][] array = new double[arrSize][arrSize]; for (int i = 0; i < arrSize; i++) { for (int j = 0; j < arrSize; j++) { array[i][j] = 0; } } for (int i = 0; i < length1; i++) { for (int j = 0; j < length2; j++) { String word1 = taggedWords1.get(i).word(); String word2 = taggedWords2.get(j).word(); double edgeWeight = 0; // LSA Similarity // edgeWeight = LSASimilarity.LSAWordSimilarity(word1, word2); // DISCO Similarity // DISCOSimilarity discoObj = new DISCOSimilarity(); try { if (word1.compareToIgnoreCase(word2) == 0) edgeWeight = 1; else { edgeWeight = discoRAM.similarity2(word1, word2); // edgeWeight = LSASimilarity.LSAWordSimilarity(word1, word2); } } catch (Exception ex) { ex.printStackTrace(); } array[i][j] = edgeWeight; } } // System.out.println("Hungarian starts " + arrSize); double finalScore; String sumType = "max"; int minLength = Math.min(length1, length2); finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType) / minLength * 5; // finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType)/arrSize * 5; return finalScore; }
public static ArrayList<TaggedWord> StopWordRemoval(ArrayList<TaggedWord> taggedWords) { ArrayList<TaggedWord> newList = new ArrayList<TaggedWord>(); try { String path = "data/nltk_stoplist.txt"; File textFile = new File(path); BufferedReader br = new BufferedReader(new FileReader(textFile)); String stopwordsLine = br.readLine(); br.close(); String[] stopwords = stopwordsLine.split(","); HashMap<String, String> stopwordsDict = new HashMap<String, String>(); for (int i = 0; i < stopwords.length; i++) { stopwordsDict.put(stopwords[i], stopwords[i]); } for (int i = 0; i < taggedWords.size(); i++) { String word = taggedWords.get(i).word(); String posTag = taggedWords.get(i).tag(); if (!stopwordsDict.containsKey(word.toLowerCase())) { String newWord, newPosTag; newWord = word; newPosTag = posTag; newList.add(new TaggedWord(newWord, newPosTag)); } } } catch (Exception ex) { ex.printStackTrace(); } return newList; }
public static double BestWordMatchEdgeWeight( ArrayList<TaggedWord> taggedWords1, ArrayList<TaggedWord> taggedWords2, DISCOSimilarity discoRAM) { double bestMatchScore = 0; for (int i = 0; i < taggedWords1.size(); i++) { String word1 = taggedWords1.get(i).word(); for (int j = 0; j < taggedWords2.size(); j++) { String word2 = taggedWords2.get(j).word(); double currentScore; if (word1.equals(word2)) currentScore = 1; else currentScore = discoRAM.similarity2(word1, word2); if (currentScore > bestMatchScore) bestMatchScore = currentScore; } } return bestMatchScore; }
public static ArrayList<TaggedWord> PreprocessPhrase(ArrayList<TaggedWord> taggedWords) { ArrayList<TaggedWord> newList = new ArrayList<TaggedWord>(); taggedWords = Preprocess(taggedWords); for (int i = 0; i < taggedWords.size(); i++) { String posTag = taggedWords.get(i).tag(); if (posTag.length() >= 2) { String reducedTag = posTag.substring(0, 2); if (reducedTag.equals("CD") || reducedTag.equals("NN") || reducedTag.equals("VB")) { newList.add(taggedWords.get(i)); } } } return newList; }
public static ArrayList<ArrayList<TaggedWord>> getPhrases(Tree parse, int phraseSizeLimit) { ArrayList<ArrayList<TaggedWord>> newList = new ArrayList<ArrayList<TaggedWord>>(); List<Tree> leaves = parse.getLeaves(); if (leaves.size() <= phraseSizeLimit) { // ArrayList<TaggedWord> phraseElements = PreprocessPhrase(parse.taggedYield()); ArrayList<TaggedWord> phraseElements = Preprocess(parse.taggedYield()); if (phraseElements.size() > 0) newList.add(phraseElements); } else { Tree[] childrenNodes = parse.children(); for (int i = 0; i < childrenNodes.length; i++) { Tree currentParse = childrenNodes[i]; newList.addAll(getPhrases(currentParse, phraseSizeLimit)); } } return newList; }
public static void main(String args[]) { // String sentence1 = "A large bird standing on a table picks up a plastic glass // containing liquid and places it in a bowl of something."; // String sentence2 = "A bird picks up a plastic cup containing a liquid with it's beak // and puts the cup into a bowl."; // LexicalizedParser lp = new LexicalizedParser("englishPCFG.ser.gz"); // LeskWSD tm = new LeskWSD(lp); // WordNetSimilarity ws = new WordNetSimilarity(); // // System.out.println(LexicalSimilarityScoreWordNet(sentence1, sentence2, tm, lp, ws)); String sentence = "The broader Standard & Poor's 500 Index <.SPX> shed 2.38 points, or 0.24 percent, at 995.10."; LexicalizedParser lp = new LexicalizedParser("englishPCFG.ser.gz"); Tree parse = lp.apply(sentence); ArrayList<TaggedWord> taggedWords = parse.taggedYield(); taggedWords = Preprocess(taggedWords); for (int i = 0; i < taggedWords.size(); i++) System.out.println(taggedWords.get(i).word()); }
public static ArrayList<TaggedWord> Preprocess(ArrayList<TaggedWord> taggedWords) { ArrayList<TaggedWord> newList = new ArrayList<TaggedWord>(); String[] punctuationsAndSpecialCharacters = { ",", ".", "?", "!", ":", ";", "\"", "-", "--", "'", "-LRB-", "-RRB-", "''", "``", "&" }; // , "/", "\\", "<", ">", "#", "&", "*", "(", ")", "{", "}", "[", "]", "~", "|"}; HashMap<String, String> punctuationMarks = new HashMap<String, String>(); for (int i = 0; i < punctuationsAndSpecialCharacters.length; i++) { punctuationMarks.put( punctuationsAndSpecialCharacters[i], punctuationsAndSpecialCharacters[i]); } for (int i = 0; i < taggedWords.size(); i++) { String word = taggedWords.get(i).word(); String posTag = taggedWords.get(i).tag(); if (!punctuationMarks.containsKey(word)) { if (!(posTag.length() > 2 && posTag.substring(0, 3).equals("NNP"))) { word = Morphology.lemmaStatic(word, posTag, true); word = word.replace('-', ' '); } String newWord, newPosTag; if (word.equals("n't")) newWord = "not"; else if (word.equals("'s")) newWord = "is"; else if (word.equals("'ll")) newWord = "will"; else if (word.equals("'m") || word.equals("m")) newWord = "am"; else if (word.equals("im")) newWord = "am"; else newWord = word; newPosTag = posTag; newList.add(new TaggedWord(newWord, newPosTag)); } } newList = StopWordRemoval(newList); return newList; }
public static double LexicalSimilarityScoreWordNet( String sentence1, String sentence2, LeskWSD tm, LexicalizedParser lp, WordNetSimilarity ws) { ArrayList<TaggedWord> taggedWordsPrev1 = Preprocess(StanfordParse(sentence1, lp)); ArrayList<TaggedWord> taggedWordsPrev2 = Preprocess(StanfordParse(sentence2, lp)); ArrayList<TaggedWord> taggedWords1 = new ArrayList<TaggedWord>(); ArrayList<TaggedWord> taggedWords2 = new ArrayList<TaggedWord>(); WordNetSense[] sensesPrev1 = tm.LeskJWI(sentence1); WordNetSense[] sensesPrev2 = tm.LeskJWI(sentence2); // System.out.println("Senses found!"); ArrayList<WordNetSense> senses1 = new ArrayList<WordNetSense>(); ArrayList<WordNetSense> senses2 = new ArrayList<WordNetSense>(); for (int i = 0; i < taggedWordsPrev1.size(); i++) { String word = taggedWordsPrev1.get(i).word(); String posTag = taggedWordsPrev1.get(i).tag(); if (posTag.length() >= 2 && posTag.substring(0, 2).equals("NN")) { taggedWords1.add(new TaggedWord(word, "NN")); senses1.add(sensesPrev1[i]); } else if (posTag.length() >= 2 && posTag.substring(0, 2).equals("VB")) { taggedWords1.add(new TaggedWord(word, "VB")); senses1.add(sensesPrev1[i]); } } for (int i = 0; i < taggedWordsPrev2.size(); i++) { String word = taggedWordsPrev2.get(i).word(); String posTag = taggedWordsPrev2.get(i).tag(); if (posTag.length() >= 2 && posTag.substring(0, 2).equals("NN")) { taggedWords2.add(new TaggedWord(word, "NN")); senses2.add(sensesPrev2[i]); } else if (posTag.length() >= 2 && posTag.substring(0, 2).equals("VB")) { taggedWords2.add(new TaggedWord(word, "VB")); senses2.add(sensesPrev2[i]); } } // System.out.println(taggedWords1.size() + "," + taggedWords2.size()); // array of edge weights with default weight 0 int length1 = taggedWords1.size(); int length2 = taggedWords2.size(); int arrSize = Math.max(length1, length2); double[][] array = new double[arrSize][arrSize]; for (int i = 0; i < arrSize; i++) { for (int j = 0; j < arrSize; j++) { array[i][j] = 0; } } for (int i = 0; i < length1; i++) { for (int j = 0; j < length2; j++) { String word1 = taggedWords1.get(i).word(); String posTag1 = taggedWords1.get(i).tag(); String word2 = taggedWords2.get(j).word(); String posTag2 = taggedWords2.get(j).tag(); double edgeWeight = 0; // LSA Similarity // edgeWeight = LSASimilarity.LSAWordSimilarity(word1, word2); // DISCO Similarity // DISCOSimilarity discoObj = new DISCOSimilarity(); try { if (word1.compareToIgnoreCase(word2) == 0) edgeWeight = 1; else { // edgeWeight = ws.wuPalmerSimilarity(senses1.get(i), senses2.get(j)); edgeWeight = ws.linSimilarity(senses1.get(i), senses2.get(j)); } } catch (Exception ex) { ex.printStackTrace(); } array[i][j] = edgeWeight; } } // System.out.println("Hungarian starts " + arrSize); double finalScore; String sumType = "max"; int minLength = Math.min(length1, length2); // finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType)/minLength * 5; if (arrSize == 0) finalScore = 0; else finalScore = HungarianAlgorithm.hgAlgorithm(array, sumType) / arrSize * 5; return finalScore; }
public HashMap<String,ArrayList<TreeData>> parseAllDocs() throws IOException{ String grammar = "./jsan_resources/englishPCFG.ser.gz"; String[] options = { "-maxLength", "120", "-retainTmpSubcategories" }; // LexicalizedParser lp = new LexicalizedParser(grammar, options); LexicalizedParser lp = new LexicalizedParser() TreebankLanguagePack tlp = new PennTreebankLanguagePack(); GrammaticalStructureFactory gsf = tlp.grammaticalStructureFactory(); Iterable<List<? extends HasWord>> sentences; ArrayList<HashMap<String,ArrayList<String>>> everything = new ArrayList<HashMap<String,ArrayList<String>>>(3); everything.add(0,otherSampleStrings); everything.add(1,authorSampleStrings); everything.add(2,toModifyStrings); Iterator<HashMap<String,ArrayList<String>>> everythingIter = everything.iterator(); int docTypeNumber = -1; // 0 for otherSampleStrings, 1 for authorSampleStrings, 2 for toModifyStrings int numLoaded = 0; while(everythingIter.hasNext()){ docTypeNumber++; HashMap<String,ArrayList<String>> currentSampleStrings = docPathFinder(); Set<String> currentDocStrings = currentSampleStrings.keySet(); Iterator<String> docStrIter = currentDocStrings.iterator(); String docID; ArrayList<String> sentenceTokens; allTreeProcessors[docTypeNumber] = new TreeProcessor(); allTreeProcessors[docTypeNumber].clearLoadedTreeDataMaps(); numLoaded=0; while(docStrIter.hasNext()){ docID = docStrIter.next(); sentenceTokens = currentSampleStrings.get(docID); if(sentenceTokens == null){ allTreeProcessors[docTypeNumber].loadTreeDataMap(docID, GRAMMAR_DIR, false); numLoaded++; continue; } //System.out.println(sentenceTokens.size()+", strIter.hasNext? -> "+strIter.hasNext()); numSentences = sentenceTokens.size(); //initialize(numSentences); Iterator<String> sentIter = sentenceTokens.iterator(); List<List<? extends HasWord>> tmp = new ArrayList<List<? extends HasWord>>(); String tempSent; while(sentIter.hasNext()){ tempSent = sentIter.next(); Tokenizer<? extends HasWord> toke = tlp.getTokenizerFactory().getTokenizer(new StringReader(tempSent)); List<? extends HasWord> sentenceTokenized = toke.tokenize(); tmp.add(sentenceTokenized); } sentences = tmp; //int numDone = 0; TreeProcessor.singleDocMap.clear(); boolean willSaveResults = true; for (List<? extends HasWord> sentence : sentences) { Tree parse = lp.apply(sentence); //parse.pennPrint(); //System.out.println(parse.treeSkeletonCopy().toString()); //System.out.println(parse.taggedYield()); //System.out.println(); //printSubTrees(parse); //TreeContainer.recurseTree(parse,"breadth"); allTreeProcessors[docTypeNumber].processTree(parse, 0, willSaveResults); //System.out.println(tc.processedTrees.toString().replaceAll("\\]\\], \\(","\\]\\]\n\\(")); //numDone++; //System.out.println("sent "+numDone+" of "+numSentences+" done "); //System.out.println(tc.processedTrees.toString()); //in.nextLine(); //TreeContainer.recurseTree(parse, "depth"); //in.nextLine(); //addTree(parse); //GrammaticalStructure gs = gsf.newGrammaticalStructure(parse);//TODO: LOOK AT THIS //Collection tdl = gs.typedDependenciesCCprocessed(true); //System.out.println(tdl); //System.out.println(); } if(willSaveResults == true) ObjectIO.writeObject(TreeProcessor.singleDocMap,docID, GRAMMAR_DIR); //System.out.println("After all sents: "); //System.out.println(tc.processedTrees.toString().replaceAll("\\]\\], \\(","\\]\\]\n\\(")); //String sent3 = "This is one last test!"; //Tree parse3 = lp.apply(sent3); //parse3.pennPrint(); //System.out.println("After sorting and writing:"); //System.out.println(tc.processedTrees.toString().replaceAll("\\]\\], \\(","\\]\\]\n\\(")); //Scanner in = new Scanner(System.in); //System.out.println("First one done."); //in.nextLine(); //viewTrees(); } //TreeProcessor.writeTreeDataToCSV(sortedTD,docID); allTreeProcessors[docTypeNumber].unmergedMaps = new ArrayList<HashMap<String,TreeData>>(numLoaded+1); } int i= 0; allParsedAndOrdered.clear(); String[] docTypes = new String[]{"otherSample","authorSample","toModify"}; for(i=0; i < 3; i++){ allTreeProcessors[i].unmergedMaps.add(allTreeProcessors[i].processedTrees); allTreeProcessors[i].unmergedMaps.addAll(allTreeProcessors[i].loadedTreeDataMaps); allTreeProcessors[i].mergeTreeDataLists(allTreeProcessors[i].unmergedMaps); allParsedAndOrdered.put(docTypes[i],allTreeProcessors[i].sortTreeData(allTreeProcessors[i].mergedMap)); } //ArrayList<TreeData> sortedTD = TreeContainer.sortTreeData(TreeContainer.allProcessedTrees); //TreeContainer.writeTreeDataToCSV(sortedTD,"ALL_AUTHORS"); return allParsedAndOrdered; }