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Stanford Parser processes raw text in English, Chinese, German, Arabic, and French, and extracts constituency parse trees.
package edu.stanford.nlp.parser.lexparser;
import edu.stanford.nlp.io.EncodingPrintWriter;
import edu.stanford.nlp.io.NumberRangesFileFilter;
import edu.stanford.nlp.io.RuntimeIOException;
import edu.stanford.nlp.ling.CategoryWordTag;
import edu.stanford.nlp.ling.CoreLabel;
import edu.stanford.nlp.ling.Label;
import edu.stanford.nlp.ling.Sentence;
import edu.stanford.nlp.ling.Word;
import edu.stanford.nlp.process.WordSegmenter;
import edu.stanford.nlp.process.WordSegmentingTokenizer;
import edu.stanford.nlp.trees.*;
import edu.stanford.nlp.trees.international.pennchinese.*;
import java.util.function.Predicate;
import edu.stanford.nlp.util.Index;
import edu.stanford.nlp.util.ReflectionLoading;
import edu.stanford.nlp.util.StringUtils;
import java.io.IOException;
import java.util.*;
/**
* Parameter file for parsing the Penn Chinese Treebank. Includes
* category enrichments specific to the Penn Chinese Treebank.
*
* @author Roger Levy
* @author Christopher Manning
* @author Galen Andrew
*/
public class ChineseTreebankParserParams extends AbstractTreebankParserParams {
/**
* The variable ctlp stores the same thing as the tlp variable in
* AbstractTreebankParserParams, but pre-cast to be a
* ChineseTreebankLanguagePack.
* todo [cdm 2013]: Just change to method that casts
*/
private ChineseTreebankLanguagePack ctlp;
public boolean charTags = false;
public boolean useCharacterBasedLexicon = false;
public boolean useMaxentLexicon = false;
public boolean useMaxentDepGrammar = false;
public boolean segment = false;
public boolean segmentMarkov = false;
public boolean sunJurafskyHeadFinder = false;
public boolean bikelHeadFinder = false;
public boolean discardFrags = false;
public boolean useSimilarWordMap = false;
public String segmenterClass = null;
private Lexicon lex;
private WordSegmenter segmenter;
private HeadFinder headFinder = null;
private static void printlnErr(String s) {
EncodingPrintWriter.err.println(s, ChineseTreebankLanguagePack.ENCODING);
}
public ChineseTreebankParserParams() {
super(new ChineseTreebankLanguagePack());
ctlp = (ChineseTreebankLanguagePack) super.treebankLanguagePack();
}
/**
* Returns a ChineseHeadFinder
*/
@Override
public HeadFinder headFinder() {
if(headFinder == null) {
if (sunJurafskyHeadFinder) {
return new SunJurafskyChineseHeadFinder();
} else if (bikelHeadFinder) {
return new BikelChineseHeadFinder();
} else {
return new ChineseHeadFinder();
}
} else
return headFinder;
}
@Override
public HeadFinder typedDependencyHeadFinder() {
return new ChineseSemanticHeadFinder();
}
/**
* Returns a ChineseLexicon
*/
@Override
public Lexicon lex(Options op, Index wordIndex, Index tagIndex) {
if (useCharacterBasedLexicon) {
return lex = new ChineseCharacterBasedLexicon(this, wordIndex, tagIndex);
// } else if (useMaxentLexicon) {
// return lex = new ChineseMaxentLexicon();
}
if (op.lexOptions.uwModelTrainer == null) {
op.lexOptions.uwModelTrainer = "edu.stanford.nlp.parser.lexparser.ChineseUnknownWordModelTrainer";
}
if (segmenterClass != null) {
try {
segmenter = ReflectionLoading.loadByReflection(segmenterClass, this,
wordIndex, tagIndex);
} catch (ReflectionLoading.ReflectionLoadingException e) {
segmenter = ReflectionLoading.loadByReflection(segmenterClass);
}
}
ChineseLexicon clex = new ChineseLexicon(op, this, wordIndex, tagIndex);
if (segmenter != null) {
lex = new ChineseLexiconAndWordSegmenter(clex, segmenter);
ctlp.setTokenizerFactory(WordSegmentingTokenizer.factory(segmenter));
} else {
lex = clex;
}
return lex;
}
@Override
public double[] MLEDependencyGrammarSmoothingParams() {
return new double[]{5.8, 17.7, 6.5, 0.4};
}
@Override
public TreeReaderFactory treeReaderFactory() {
final TreeNormalizer tn = new CTBErrorCorrectingTreeNormalizer(splitNPTMP, splitPPTMP, splitXPTMP, charTags);
return new CTBTreeReaderFactory(tn, discardFrags);
}
/**
* Uses a DiskTreebank with a CHTBTokenizer and a
* BobChrisTreeNormalizer.
*/
@Override
public DiskTreebank diskTreebank() {
String encoding = inputEncoding;
if (!java.nio.charset.Charset.isSupported(encoding)) {
printlnErr("Warning: desired encoding " + encoding + " not accepted. ");
printlnErr("Using UTF-8 to construct DiskTreebank");
encoding = "UTF-8";
}
return new DiskTreebank(treeReaderFactory(), encoding);
}
/**
* Uses a MemoryTreebank with a CHTBTokenizer and a
* BobChrisTreeNormalizer
*/
@Override
public MemoryTreebank memoryTreebank() {
String encoding = inputEncoding;
if (!java.nio.charset.Charset.isSupported(encoding)) {
System.out.println("Warning: desired encoding " + encoding + " not accepted. ");
System.out.println("Using UTF-8 to construct MemoryTreebank");
encoding = "UTF-8";
}
return new MemoryTreebank(treeReaderFactory(), encoding);
}
/**
* Returns a ChineseCollinizer
*/
@Override
public TreeTransformer collinizer() {
return new ChineseCollinizer(ctlp);
}
/**
* Returns a ChineseCollinizer that doesn't delete punctuation
*/
@Override
public TreeTransformer collinizerEvalb() {
return new ChineseCollinizer(ctlp, false);
}
// /** Returns a ChineseTreebankLanguagePack */
// public TreebankLanguagePack treebankLanguagePack() {
// return new ChineseTreebankLanguagePack();
// }
/* --------- not used now
// Automatically generated by ParentAnnotationStats -- preferably don't edit
private static final String[] splitters1 = new String[] {"VA^VCD", "NP^NP", "NP^VP", "NP^IP", "NP^DNP", "NP^PP", "NP^LCP", "NP^PRN", "NP^QP", "PP^IP", "PP^NP", "NN^FRAG", "NN^NP", "NT^FRAG", "NT^NP", "NR^FRAG", "NR^NP", "VV^FRAG", "VV^VRD", "VV^VCD", "VV^VP", "VV^VSB", "VP^VP", "VP^IP", "VP^DVP", "IP^ROOT", "IP^IP", "IP^CP", "IP^VP", "IP^PP", "IP^NP", "IP^LCP", "CP^IP", "QP^NP", "QP^PP", "QP^VP", "ADVP^CP", "CC^VP", "CC^NP", "CC^IP", "CC^QP", "PU^NP", "PU^FRAG", "PU^IP", "PU^VP", "PU^PRN", "PU^QP", "PU^LST", "NP^DNP~QP", "NT^NP~NP", "NT^NP~VP", "NT^NP~IP", "NT^NP~LCP", "NT^NP~PP", "NT^NP~PRN", "NT^NP~QP", "NT^NP~DNP", "NP^NP~VP", "NP^NP~NP", "NP^NP~IP", "NP^NP~PP", "NP^NP~DNP", "NP^NP~LCP", "NN^NP~VP", "NN^NP~IP", "NN^NP~NP", "NN^NP~PP", "NN^NP~DNP", "NN^NP~LCP", "NN^NP~UCP", "NN^NP~QP", "NN^NP~PRN", "M^CLP~DP", "M^CLP~QP", "M^CLP~NP", "M^CLP~CLP", "CD^QP~VP", "CD^QP~NP", "CD^QP~QP", "CD^QP~LCP", "CD^QP~PP", "CD^QP~DNP", "CD^QP~DP", "CD^QP~IP", "IP^IP~IP", "IP^IP~ROOT", "IP^IP~VP", "LC^LCP~PP", "LC^LCP~IP", "NP^VP~IP", "NP^VP~VP", "AD^ADVP~IP", "AD^ADVP~QP", "AD^ADVP~VP", "AD^ADVP~NP", "AD^ADVP~PP", "AD^ADVP~ADVP", "NP^IP~ROOT", "NP^IP~IP", "NP^IP~CP", "NP^IP~VP", "DT^DP~PP", "P^PP~IP", "P^PP~NP", "P^PP~VP", "P^PP~DNP", "VV^VP~IP", "VV^VP~VP", "PU^IP~IP", "PU^IP~VP", "PU^IP~ROOT", "PU^IP~CP", "JJ^ADJP~DNP", "JJ^ADJP~ADJP", "NR^NP~IP", "NR^NP~NP", "NR^NP~PP", "NR^NP~VP", "NR^NP~DNP", "NR^NP~LCP", "NR^NP~PRN", "NP^PP~NP", "NP^PP~IP", "NP^PP~DNP", "VA^VP~VP", "VA^VP~IP", "VA^VP~DVP", "VP^VP~VP", "VP^VP~IP", "VP^VP~DVP", "VP^IP~ROOT", "VP^IP~CP", "VP^IP~IP", "VP^IP~VP", "VP^IP~PP", "VP^IP~LCP", "VP^IP~NP", "PN^NP~NP", "PN^NP~IP", "PN^NP~PP"};
private static final String[] splitters2 = new String[] {"VA^VCD", "NP^NP", "NP^VP", "NP^IP", "NP^DNP", "NP^PP", "NP^LCP", "NN^FRAG", "NN^NP", "NT^FRAG", "NT^NP", "NR^FRAG", "NR^NP", "VV^FRAG", "VV^VRD", "VV^VCD", "VV^VP", "VV^VSB", "VP^VP", "VP^IP", "VP^DVP", "IP^ROOT", "IP^IP", "IP^CP", "IP^VP", "IP^PP", "CP^IP", "ADVP^CP", "CC^VP", "CC^NP", "PU^NP", "PU^FRAG", "PU^IP", "PU^VP", "PU^PRN", "NT^NP~NP", "NT^NP~VP", "NT^NP~IP", "NT^NP~LCP", "NT^NP~PP", "NP^NP~VP", "NP^NP~NP", "NP^NP~IP", "NP^NP~PP", "NP^NP~DNP", "NN^NP~VP", "NN^NP~IP", "NN^NP~NP", "NN^NP~PP", "NN^NP~DNP", "NN^NP~LCP", "NN^NP~UCP", "NN^NP~QP", "NN^NP~PRN", "M^CLP~DP", "CD^QP~VP", "CD^QP~NP", "CD^QP~QP", "CD^QP~LCP", "CD^QP~PP", "CD^QP~DNP", "CD^QP~DP", "LC^LCP~PP", "NP^VP~IP", "NP^VP~VP", "AD^ADVP~IP", "AD^ADVP~QP", "AD^ADVP~VP", "AD^ADVP~NP", "NP^IP~ROOT", "NP^IP~IP", "NP^IP~CP", "NP^IP~VP", "P^PP~IP", "P^PP~NP", "P^PP~VP", "P^PP~DNP", "VV^VP~IP", "VV^VP~VP", "PU^IP~IP", "PU^IP~VP", "PU^IP~ROOT", "PU^IP~CP", "JJ^ADJP~DNP", "NR^NP~IP", "NR^NP~NP", "NR^NP~PP", "NR^NP~VP", "NR^NP~DNP", "NR^NP~LCP", "NP^PP~NP", "VA^VP~VP", "VA^VP~IP", "VP^VP~VP", "VP^IP~ROOT", "VP^IP~CP", "VP^IP~IP", "VP^IP~VP", "VP^IP~PP", "VP^IP~LCP", "VP^IP~NP", "PN^NP~NP"};
private static final String[] splitters3 = new String[] {"NP^NP", "NP^VP", "NP^IP", "NP^DNP", "NP^PP", "NP^LCP", "NN^FRAG", "NN^NP", "NT^FRAG", "NR^FRAG", "NR^NP", "VV^FRAG", "VV^VRD", "VV^VCD", "VV^VP", "VV^VSB", "VP^VP", "VP^IP", "IP^ROOT", "IP^IP", "IP^CP", "IP^VP", "PU^NP", "PU^FRAG", "PU^IP", "PU^VP", "PU^PRN", "NP^NP~VP", "NN^NP~VP", "NN^NP~IP", "NN^NP~NP", "NN^NP~PP", "NN^NP~DNP", "NN^NP~LCP", "M^CLP~DP", "CD^QP~VP", "CD^QP~NP", "CD^QP~QP", "AD^ADVP~IP", "AD^ADVP~QP", "AD^ADVP~VP", "P^PP~IP", "VV^VP~IP", "VV^VP~VP", "PU^IP~IP", "PU^IP~VP", "NR^NP~IP", "NR^NP~NP", "NR^NP~PP", "NR^NP~VP", "VP^VP~VP", "VP^IP~ROOT", "VP^IP~CP", "VP^IP~IP", "VP^IP~VP"};
private static final String[] splitters4 = new String[] {"NP^NP", "NP^VP", "NP^IP", "NN^FRAG", "NT^FRAG", "NR^FRAG", "VV^FRAG", "VV^VRD", "VV^VCD", "VP^VP", "VP^IP", "IP^ROOT", "IP^IP", "IP^CP", "IP^VP", "PU^NP", "PU^FRAG", "PU^IP", "PU^VP", "NN^NP~VP", "NN^NP~IP", "NN^NP~NP", "NN^NP~PP", "NN^NP~DNP", "NN^NP~LCP", "CD^QP~VP", "CD^QP~NP", "AD^ADVP~IP", "VV^VP~IP", "VV^VP~VP", "NR^NP~IP", "VP^IP~ROOT", "VP^IP~CP"};
// these ones were built by hand.
// one can't tag split under FRAG or everything breaks, because of those
// big flat FRAGs....
private static final String[] splitters5 = new String[] {"NN^FRAG", "NT^FRAG", "NR^FRAG", "VV^FRAG", "VV^VCD", "VV^VRD", "NP^NP", "VP^VP", "IP^ROOT", "IP^IP", "PU^NP", "PU^FRAG", "P^PP~VP", "P^PP~IP"};
private static final String[] splitters6 = new String[] {"VV^VCD", "VV^VRD", "NP^NP", "VP^VP", "IP^ROOT", "IP^IP", "PU^NP", "P^PP~VP", "P^PP~IP"};
private static final String[] splitters7 = new String[] {"NP^NP", "VP^VP", "IP^ROOT", "IP^IP", "PU^NP", "P^PP~VP", "P^PP~IP"};
private static final String[] splitters8 = new String[] {"IP^ROOT", "IP^IP", "PU^NP", "P^PP~VP", "P^PP~IP"};
private static final String[] splitters9 = new String[] {"VV^VCD", "VV^VRD", "NP^NP", "VP^VP", "IP^ROOT", "IP^IP", "P^PP~VP", "P^PP~IP"};
private static final String[] splitters10 = new String[] {"NP^NP", "VP^VP", "IP^ROOT", "IP^IP", "P^PP~VP", "P^PP~IP"};
public String[] splitters() {
switch (selectiveSplitLevel) {
case 1:
return splitters1;
case 2:
return splitters2;
case 3:
return splitters3;
case 4:
return splitters4;
case 5:
return splitters5;
case 6:
return splitters6;
case 7:
return splitters7;
case 8:
return splitters8;
case 9:
return splitters9;
case 10:
return splitters10;
default:
return new String[0];
}
}
------------------ */
@Override
public String[] sisterSplitters() {
return StringUtils.EMPTY_STRING_ARRAY;
}
/**
* transformTree does all language-specific tree
* transformations. Any parameterizations should be inside the
* specific TreebankLangParserParams class.
*/
@Override
public Tree transformTree(Tree t, Tree root) {
if (t == null || t.isLeaf()) {
return t;
}
String parentStr;
String grandParentStr;
Tree parent;
Tree grandParent;
if (root == null || t.equals(root)) {
parent = null;
parentStr = "";
} else {
parent = t.parent(root);
parentStr = parent.label().value();
}
if (parent == null || parent.equals(root)) {
grandParent = null;
grandParentStr = "";
} else {
grandParent = parent.parent(root);
grandParentStr = grandParent.label().value();
}
String baseParentStr = ctlp.basicCategory(parentStr);
String baseGrandParentStr = ctlp.basicCategory(grandParentStr);
CoreLabel lab = (CoreLabel) t.label();
String word = lab.word();
String tag = lab.tag();
String baseTag = ctlp.basicCategory(tag);
String category = lab.value();
String baseCategory = ctlp.basicCategory(category);
if (t.isPreTerminal()) { // it's a POS tag
List leftAunts = listBasicCategories(SisterAnnotationStats.leftSisterLabels(parent, grandParent));
List rightAunts = listBasicCategories(SisterAnnotationStats.rightSisterLabels(parent, grandParent));
// Chinese-specific punctuation splits
if (chineseSplitPunct && baseTag.equals("PU")) {
if (ChineseTreebankLanguagePack.chineseDouHaoAcceptFilter().test(word)) {
tag = tag + "-DOU";
// System.out.println("Punct: Split dou hao"); // debugging
} else if (ChineseTreebankLanguagePack.chineseCommaAcceptFilter().test(word)) {
tag = tag + "-COMMA";
// System.out.println("Punct: Split comma"); // debugging
} else if (ChineseTreebankLanguagePack.chineseColonAcceptFilter().test(word)) {
tag = tag + "-COLON";
// System.out.println("Punct: Split colon"); // debugging
} else if (ChineseTreebankLanguagePack.chineseQuoteMarkAcceptFilter().test(word)) {
if (chineseSplitPunctLR) {
if (ChineseTreebankLanguagePack.chineseLeftQuoteMarkAcceptFilter().test(word)) {
tag += "-LQUOTE";
} else {
tag += "-RQUOTE";
}
} else {
tag = tag + "-QUOTE";
}
// System.out.println("Punct: Split quote"); // debugging
} else if (ChineseTreebankLanguagePack.chineseEndSentenceAcceptFilter().test(word)) {
tag = tag + "-ENDSENT";
// System.out.println("Punct: Split end sent"); // debugging
} else if (ChineseTreebankLanguagePack.chineseParenthesisAcceptFilter().test(word)) {
if (chineseSplitPunctLR) {
if (ChineseTreebankLanguagePack.chineseLeftParenthesisAcceptFilter().test(word)) {
tag += "-LPAREN";
} else {
tag += "-RPAREN";
}
} else {
tag += "-PAREN";
//printlnErr("Just used -PAREN annotation");
//printlnErr(word);
//throw new RuntimeException();
}
// System.out.println("Punct: Split paren"); // debugging
} else if (ChineseTreebankLanguagePack.chineseDashAcceptFilter().test(word)) {
tag = tag + "-DASH";
// System.out.println("Punct: Split dash"); // debugging
} else if (ChineseTreebankLanguagePack.chineseOtherAcceptFilter().test(word)) {
tag = tag + "-OTHER";
} else {
printlnErr("Unknown punct (you should add it to CTLP): " + tag + " |" + word + "|");
}
} else if (chineseSplitDouHao) { // only split DouHao
if (ChineseTreebankLanguagePack.chineseDouHaoAcceptFilter().test(word) && baseTag.equals("PU")) {
tag = tag + "-DOU";
}
}
// Chinese-specific POS tag splits (non-punctuation)
if (tagWordSize) {
int l = word.length();
tag += "-" + l + "CHARS";
}
if (mergeNNVV && baseTag.equals("NN")) {
tag = "VV";
}
if ((chineseSelectiveTagPA || chineseVerySelectiveTagPA) && (baseTag.equals("CC") || baseTag.equals("P"))) {
tag += "-" + baseParentStr;
}
if (chineseSelectiveTagPA && (baseTag.equals("VV"))) {
tag += "-" + baseParentStr;
}
if (markMultiNtag && tag.startsWith("N")) {
for (int i = 0; i < parent.numChildren(); i++) {
if (parent.children()[i].label().value().startsWith("N") && parent.children()[i] != t) {
tag += "=N";
//System.out.println("Found multi=N rewrite");
}
}
}
if (markVVsisterIP && baseTag.equals("VV")) {
boolean seenIP = false;
for (int i = 0; i < parent.numChildren(); i++) {
if (parent.children()[i].label().value().startsWith("IP")) {
seenIP = true;
}
}
if (seenIP) {
tag += "-IP";
//System.out.println("Found VV with IP sister"); // testing
}
}
if (markPsisterIP && baseTag.equals("P")) {
boolean seenIP = false;
for (int i = 0; i < parent.numChildren(); i++) {
if (parent.children()[i].label().value().startsWith("IP")) {
seenIP = true;
}
}
if (seenIP) {
tag += "-IP";
}
}
if (markADgrandchildOfIP && baseTag.equals("AD") && baseGrandParentStr.equals("IP")) {
tag += "~IP";
//System.out.println("Found AD with IP grandparent"); // testing
}
if (gpaAD && baseTag.equals("AD")) {
tag += "~" + baseGrandParentStr;
//System.out.println("Found AD with grandparent " + grandParentStr); // testing
}
if (markPostverbalP && leftAunts.contains("VV") && baseTag.equals("P")) {
//System.out.println("Found post-verbal P");
tag += "^=lVV";
}
// end Chinese-specific tag splits
Label label = new CategoryWordTag(tag, word, tag);
t.setLabel(label);
} else {
// it's a phrasal category
Tree[] kids = t.children();
// Chinese-specific category splits
List leftSis = listBasicCategories(SisterAnnotationStats.leftSisterLabels(t, parent));
List rightSis = listBasicCategories(SisterAnnotationStats.rightSisterLabels(t, parent));
if (paRootDtr && baseParentStr.equals("ROOT")) {
category += "^ROOT";
}
if (markIPsisterBA && baseCategory.equals("IP")) {
if (leftSis.contains("BA")) {
category += "=BA";
//System.out.println("Found IP sister of BA");
}
}
if (dominatesV && hasV(t.preTerminalYield())) {
// mark categories containing a verb
category += "-v";
}
if (markIPsisterVVorP && baseCategory.equals("IP")) {
// todo: cdm: is just looking for "P" here selective enough??
if (leftSis.contains("VV") || leftSis.contains("P")) {
category += "=VVP";
}
}
if (markIPsisDEC && baseCategory.equals("IP")) {
if (rightSis.contains("DEC")) {
category += "=DEC";
//System.out.println("Found prenominal IP");
}
}
if (baseCategory.equals("VP")) {
// cdm 2008: this used to just check that it startsWith("VP"), but
// I think that was bad because it also matched VPT verb compounds
if (chineseSplitVP == 3) {
boolean hasCC = false;
boolean hasPU = false;
boolean hasLexV = false;
for (Tree kid : kids) {
if (kid.label().value().startsWith("CC")) {
hasCC = true;
} else if (kid.label().value().startsWith("PU")) {
hasPU = true;
} else if (StringUtils.lookingAt(kid.label().value(), "(V[ACEV]|VCD|VCP|VNV|VPT|VRD|VSB)")) {
hasLexV = true;
}
}
if (hasCC || (hasPU && ! hasLexV)) {
category += "-CRD";
//System.out.println("Found coordinate VP"); // testing
} else if (hasLexV) {
category += "-COMP";
//System.out.println("Found complementing VP"); // testing
} else {
category += "-ADJT";
//System.out.println("Found adjoining VP"); // testing
}
} else if (chineseSplitVP >= 1) {
boolean hasBA = false;
for (Tree kid : kids) {
if (kid.label().value().startsWith("BA")) {
hasBA = true;
} else if (chineseSplitVP == 2 && tlp.basicCategory(kid.label().value()).equals("VP")) {
for (Tree kidkid : kid.children()) {
if (kidkid.label().value().startsWith("BA")) {
hasBA = true;
}
}
}
}
if (hasBA) {
category += "-BA";
}
}
}
if (markVPadjunct && baseParentStr.equals("VP")) {
// cdm 2008: This used to use startsWith("VP") but changed to baseCat
Tree[] sisters = parent.children();
boolean hasVPsister = false;
boolean hasCC = false;
boolean hasPU = false;
boolean hasLexV = false;
for (Tree sister : sisters) {
if (tlp.basicCategory(sister.label().value()).equals("VP")) {
hasVPsister = true;
}
if (sister.label().value().startsWith("CC")) {
hasCC = true;
}
if (sister.label().value().startsWith("PU")) {
hasPU = true;
}
if (StringUtils.lookingAt(sister.label().value(), "(V[ACEV]|VCD|VCP|VNV|VPT|VRD|VSB)")) {
hasLexV = true;
}
}
if (hasVPsister && !(hasCC || hasPU || hasLexV)) {
category += "-VPADJ";
//System.out.println("Found adjunct of VP"); // testing
}
}
if (markNPmodNP && baseCategory.equals("NP") && baseParentStr.equals("NP")) {
if (rightSis.contains("NP")) {
category += "=MODIFIERNP";
//System.out.println("Found NP modifier of NP"); // testing
}
}
if (markModifiedNP && baseCategory.equals("NP") && baseParentStr.equals("NP")) {
if (rightSis.isEmpty() && (leftSis.contains("ADJP") || leftSis.contains("NP") || leftSis.contains("DNP") || leftSis.contains("QP") || leftSis.contains("CP") || leftSis.contains("PP"))) {
category += "=MODIFIEDNP";
//System.out.println("Found modified NP"); // testing
}
}
if (markNPconj && baseCategory.equals("NP") && baseParentStr.equals("NP")) {
if (rightSis.contains("CC") || rightSis.contains("PU") || leftSis.contains("CC") || leftSis.contains("PU")) {
category += "=CONJ";
//System.out.println("Found NP conjunct"); // testing
}
}
if (markIPconj && baseCategory.equals("IP") && baseParentStr.equals("IP")) {
Tree[] sisters = parent.children();
boolean hasCommaSis = false;
boolean hasIPSis = false;
for (Tree sister : sisters) {
if (ctlp.basicCategory(sister.label().value()).equals("PU") && ChineseTreebankLanguagePack.chineseCommaAcceptFilter().test(sister.children()[0].label().toString())) {
hasCommaSis = true;
//System.out.println("Found CommaSis"); // testing
}
if (ctlp.basicCategory(sister.label().value()).equals("IP") && sister != t) {
hasIPSis = true;
}
}
if (hasCommaSis && hasIPSis) {
category += "-CONJ";
//System.out.println("Found IP conjunct"); // testing
}
}
if (unaryIP && baseCategory.equals("IP") && t.numChildren() == 1) {
category += "-U";
//System.out.println("Found unary IP"); //testing
}
if (unaryCP && baseCategory.equals("CP") && t.numChildren() == 1) {
category += "-U";
//System.out.println("Found unary CP"); //testing
}
if (splitBaseNP && baseCategory.equals("NP")) {
if (t.isPrePreTerminal()) {
category = category + "-B";
}
}
//if (Test.verbose) printlnErr(baseCategory + " " + leftSis.toString()); //debugging
if (markPostverbalPP && leftSis.contains("VV") && baseCategory.equals("PP")) {
//System.out.println("Found post-verbal PP");
category += "=lVV";
}
if ((markADgrandchildOfIP || gpaAD) && listBasicCategories(SisterAnnotationStats.kidLabels(t)).contains("AD")) {
category += "^ADVP";
}
if (markCC) {
// was: for (int i = 0; i < kids.length; i++) {
// This second version takes an idea from Collins: don't count
// marginal conjunctions which don't conjoin 2 things.
for (int i = 1; i < kids.length - 1; i++) {
String cat2 = kids[i].label().value();
if (cat2.startsWith("CC")) {
category += "-CC";
}
}
}
Label label = new CategoryWordTag(category, word, tag);
t.setLabel(label);
}
return t;
}
/**
* Chinese: Split the dou hao (a punctuation mark separating
* members of a list) from other punctuation. Good but included below.
*/
public boolean chineseSplitDouHao = false;
/**
* Chinese: split Chinese punctuation several ways, along the lines
* of English punctuation plus another category for the dou hao. Good.
*/
public boolean chineseSplitPunct = true;
/**
* Chinese: split left right/paren quote (if chineseSplitPunct is also
* true. Only very marginal gains, but seems positive.
*/
public boolean chineseSplitPunctLR = false;
/**
* Chinese: mark VVs that are sister of IP (communication &
* small-clause-taking verbs). Good: give 0.5%
*/
public boolean markVVsisterIP = true;
/**
* Chinese: mark P's that are sister of IP. Negative effect
*/
public boolean markPsisterIP = true;
/**
* Chinese: mark IP's that are sister of VV or P. These rarely
* have punctuation. Small positive effect.
*/
public boolean markIPsisterVVorP = true;
/**
* Chinese: mark ADs that are grandchild of IP.
*/
public boolean markADgrandchildOfIP = false;
/**
* Grandparent annotate all AD. Seems slightly negative.
*/
public boolean gpaAD = true;
// using tagPA on Chinese 100k is negative.
public boolean chineseVerySelectiveTagPA = false;
public boolean chineseSelectiveTagPA = false;
/**
* Chinese: mark IPs that are sister of BA. These always have
* overt NP. Very slightly positive.
*/
public boolean markIPsisterBA = true;
/**
* Chinese: mark phrases that are adjuncts of VP (these tend to be
* locatives/temporals, and have a specific distribution).
* Necessary even with chineseSplitVP==3 and parent annotation because
* parent annotation happens with unsplit parent categories.
* Slightly positive.
*/
public boolean markVPadjunct = true;
/**
* Chinese: mark NP modifiers of NPs. Quite positive (0.5%)
*/
public boolean markNPmodNP = true;
/**
* Chinese: mark left-modified NPs (rightmost NPs with a left-side
* mod). Slightly positive.
*/
public boolean markModifiedNP = true;
/**
* Chinese: mark NPs that are conjuncts. Negative on small set.
*/
public boolean markNPconj = true;
/**
* Chinese: mark nominal tags that are part of multi-nominal
* rewrites. Doesn't seem any good.
*/
public boolean markMultiNtag = false;
/**
* Chinese: mark IPs that are part of prenominal modifiers. Negative.
*/
public boolean markIPsisDEC = true;
/**
* Chinese: mark IPs that are conjuncts. Or those that have
* (adjuncts or subjects)
*/
public boolean markIPconj = false;
public boolean markIPadjsubj = false;
/**
* Chinese VP splitting. 0 = none;
* 1 = mark with -BA a VP that directly dominates a BA;
* 2 = mark with -BA a VP that directly dominates a BA or a VP that
* directly dominates a BA
* 3 = split VPs into VP-COMP, VP-CRD, VP-ADJ. (Negative value.)
*/
public int chineseSplitVP = 3;
/** Chinese: if an IP has no subject (including no empty-category
* subject), then it should only have an NP (adjunct) daughter if
* it's a coordinate IP and the NP scopes over the conjunct
* IPs. (sometimes this NP daughter is adjoined in an IP -> NP
* IP_coord structure, sometimes the IP conjuncts are at the same
* level as the NP). In other cases NP adjuncts should be inside
* VP. So: an IP dominating neither a non-subject NP nor another IP
* should have no NP daughters. BUT this generalization breaks down
* when you try to extend it to IPs ignoring their empty subjects.
* So the simplest thing to do would be to mark non-subject dtrs of
* IP.... but I think we need to leave the SBJ functional tagging
* on categories to be consistent about this.
*
* Update: I tried retaining SBJ markers with
* SbjRetainingTreeNormalizer but it works worse than using
* markVPadjunct.
*/
/**
* Chinese: merge NN and VV. A lark.
*/
public boolean mergeNNVV = false;
// XXXX upto in testing
/**
* Chinese: unary category marking
*/
public boolean unaryIP = false;
public boolean unaryCP = false;
/**
* Chinese: parent annotate daughter of root. Meant only for
* selectivesplit=false.
*/
public boolean paRootDtr = false; // true
/**
* Chinese: mark P with a left aunt VV, and PP with a left sister
* VV. Note that it's necessary to mark both to thread the
* context-marking. Used to identify post-verbal P's, which are
* rare.
*/
public boolean markPostverbalP = false;
public boolean markPostverbalPP = false;
// Not used now
// /** How selectively to split. */
// public int selectiveSplitLevel = 1;
/**
* Mark base NPs. Good.
*/
public boolean splitBaseNP = false;
/**
* Annotate tags for number of characters contained.
*/
public boolean tagWordSize = false;
/**
* Mark phrases which are conjunctions.
* Appears negative, even with 200K words training data.
*/
public boolean markCC = false;
/**
* Whether to retain the -TMP functional tag on various phrasal
* categories. On 80K words training, minutely helpful; on 200K
* words, best option gives 0.6%. Doing
* splitNPTMP and splitPPTMP (but not splitXPTMP) is best.
*/
public boolean splitNPTMP = false;
public boolean splitPPTMP = false;
public boolean splitXPTMP = false;
/**
* Verbal distance -- mark whether symbol dominates a verb (V*).
* Seems bad for Chinese.
*/
public boolean dominatesV = false;
/**
* Parameters specific for creating a ChineseLexicon
*/
public static final boolean DEFAULT_USE_GOOD_TURNING_UNKNOWN_WORD_MODEL = false;
public boolean useGoodTuringUnknownWordModel = DEFAULT_USE_GOOD_TURNING_UNKNOWN_WORD_MODEL;
public boolean useCharBasedUnknownWordModel = false;
/**
* Parameters for a ChineseCharacterBasedLexicon
*/
public double lengthPenalty = 5.0;
public boolean useUnknownCharacterModel = true;
/**
* penaltyType should be set as follows:
* 0: no length penalty
* 1: quadratic length penalty
* 2: penalty for continuation chars only
* TODO: make this an enum
*/
public int penaltyType = 0;
@Override
public void display() {
String chineseParams = "Using ChineseTreebankParserParams" + " chineseSplitDouHao=" + chineseSplitDouHao + " chineseSplitPunct=" + chineseSplitPunct + " chineseSplitPunctLR=" + chineseSplitPunctLR + " markVVsisterIP=" + markVVsisterIP + " markVPadjunct=" + markVPadjunct + " chineseSplitVP=" + chineseSplitVP + " mergeNNVV=" + mergeNNVV + " unaryIP=" + unaryIP + " unaryCP=" + unaryCP + " paRootDtr=" + paRootDtr + " markPsisterIP=" + markPsisterIP + " markIPsisterVVorP=" + markIPsisterVVorP + " markADgrandchildOfIP=" + markADgrandchildOfIP + " gpaAD=" + gpaAD + " markIPsisterBA=" + markIPsisterBA + " markNPmodNP=" + markNPmodNP + " markNPconj=" + markNPconj + " markMultiNtag=" + markMultiNtag + " markIPsisDEC=" + markIPsisDEC + " markIPconj=" + markIPconj + " markIPadjsubj=" + markIPadjsubj + " markPostverbalP=" + markPostverbalP + " markPostverbalPP=" + markPostverbalPP
// + " selSplitLevel=" + selectiveSplitLevel
+ " baseNP=" + splitBaseNP + " headFinder=" + (sunJurafskyHeadFinder ? "sunJurafsky" : (bikelHeadFinder ? "bikel" : "levy")) + " discardFrags=" + discardFrags + " dominatesV=" + dominatesV;
printlnErr(chineseParams);
}
private List listBasicCategories(List l) {
List l1 = new ArrayList();
for (String s : l) {
l1.add(ctlp.basicCategory(s));
}
return l1;
}
// TODO: Rewrite this as general matching predicate
private static boolean hasV(List tags) {
for (int i = 0, tsize = tags.size(); i < tsize; i++) {
String str = tags.get(i).toString();
if (str.startsWith("V")) {
return true;
}
}
return false;
}
/**
* Set language-specific options according to flags.
* This routine should process the option starting in args[i] (which
* might potentially be several arguments long if it takes arguments).
* It should return the index after the last index it consumed in
* processing. In particular, if it cannot process the current option,
* the return value should be i.
*/
@Override
public int setOptionFlag(String[] args, int i) {
// [CDM 2008: there are no generic options!] first, see if it's a generic option
// int j = super.setOptionFlag(args, i);
// if(i != j) return j;
//lang. specific options
// if (args[i].equalsIgnoreCase("-vSelSplitLevel") &&
// (i+1 < args.length)) {
// selectiveSplitLevel = Integer.parseInt(args[i+1]);
// i+=2;
// } else
if (args[i].equalsIgnoreCase("-paRootDtr")) {
paRootDtr = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-unaryIP")) {
unaryIP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-unaryCP")) {
unaryCP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markPostverbalP")) {
markPostverbalP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markPostverbalPP")) {
markPostverbalPP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-baseNP")) {
splitBaseNP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markVVsisterIP")) {
markVVsisterIP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markPsisterIP")) {
markPsisterIP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markIPsisterVVorP")) {
markIPsisterVVorP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markIPsisterBA")) {
markIPsisterBA = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-dominatesV")) {
dominatesV = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-gpaAD")) {
gpaAD = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markVPadjunct")) {
markVPadjunct = Boolean.valueOf(args[i+1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-markNPmodNP")) {
markNPmodNP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markModifiedNP")) {
markModifiedNP = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-nomarkModifiedNP")) {
markModifiedNP = false;
i += 1;
} else if (args[i].equalsIgnoreCase("-markNPconj")) {
markNPconj = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-nomarkNPconj")) {
markNPconj = false;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseSplitPunct")) {
chineseSplitPunct = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseSplitPunctLR")) {
chineseSplitPunct = true;
chineseSplitPunctLR = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseSelectiveTagPA")) {
chineseSelectiveTagPA = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseVerySelectiveTagPA")) {
chineseVerySelectiveTagPA = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-markIPsisDEC")) {
markIPsisDEC = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseSplitVP")) {
chineseSplitVP = Integer.parseInt(args[i+1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-tagWordSize")) {
tagWordSize = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-vanilla")) {
chineseSplitDouHao = false;
chineseSplitPunct = false;
chineseSplitPunctLR = false;
markVVsisterIP = false;
markPsisterIP = false;
markIPsisterVVorP = false;
markADgrandchildOfIP = false;
gpaAD = false;
markIPsisterBA = false;
markVPadjunct = false;
markNPmodNP = false;
markModifiedNP = false;
markNPconj = false;
markMultiNtag = false;
markIPsisDEC = false;
markIPconj = false;
markIPadjsubj = false;
chineseSplitVP = 0;
mergeNNVV = false;
unaryIP = false;
unaryCP = false;
paRootDtr = false;
markPostverbalP = false;
markPostverbalPP = false;
splitBaseNP = false;
// selectiveSplitLevel = 0;
i += 1;
} else if (args[i].equalsIgnoreCase("-acl03chinese")) {
chineseSplitDouHao = false;
chineseSplitPunct = true;
chineseSplitPunctLR = true;
markVVsisterIP = true;
markPsisterIP = true;
markIPsisterVVorP = true;
markADgrandchildOfIP = false;
gpaAD = true;
markIPsisterBA = false;
markVPadjunct = true;
markNPmodNP = true;
markModifiedNP = true;
markNPconj = true;
markMultiNtag = false;
markIPsisDEC = true;
markIPconj = false;
markIPadjsubj = false;
chineseSplitVP = 3;
mergeNNVV = false;
unaryIP = true;
unaryCP = true;
paRootDtr = true;
markPostverbalP = false;
markPostverbalPP = false;
splitBaseNP = false;
// selectiveSplitLevel = 0;
i += 1;
} else if (args[i].equalsIgnoreCase("-chineseFactored")) {
chineseSplitDouHao = false;
chineseSplitPunct = true;
chineseSplitPunctLR = true;
markVVsisterIP = true;
markPsisterIP = true;
markIPsisterVVorP = true;
markADgrandchildOfIP = false;
gpaAD = true;
markIPsisterBA = true;
markVPadjunct = true;
markNPmodNP = true;
markModifiedNP = true;
markNPconj = true;
markMultiNtag = false;
markIPsisDEC = true;
markIPconj = false;
markIPadjsubj = false;
chineseSplitVP = 3;
mergeNNVV = false;
unaryIP = true;
unaryCP = true;
paRootDtr = true;
markPostverbalP = false;
markPostverbalPP = false;
splitBaseNP = false;
// selectiveSplitLevel = 0;
chineseVerySelectiveTagPA = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-chinesePCFG")) {
chineseSplitDouHao = false;
chineseSplitPunct = true;
chineseSplitPunctLR = true;
markVVsisterIP = true;
markPsisterIP = false;
markIPsisterVVorP = true;
markADgrandchildOfIP = false;
gpaAD = false;
markIPsisterBA = true;
markVPadjunct = true;
markNPmodNP = true;
markModifiedNP = true;
markNPconj = false;
markMultiNtag = false;
markIPsisDEC = false;
markIPconj = false;
markIPadjsubj = false;
chineseSplitVP = 0;
mergeNNVV = false;
unaryIP = false;
unaryCP = false;
paRootDtr = false;
markPostverbalP = false;
markPostverbalPP = false;
splitBaseNP = false;
// selectiveSplitLevel = 0;
chineseVerySelectiveTagPA = true;
i += 1;
} else if (args[i].equalsIgnoreCase("-sunHead")) {
sunJurafskyHeadFinder = true;
i++;
} else if (args[i].equalsIgnoreCase("-bikelHead")) {
bikelHeadFinder = true;
i++;
} else if (args[i].equalsIgnoreCase("-discardFrags")) {
discardFrags = true;
i++;
} else if (args[i].equalsIgnoreCase("-charLex")) {
useCharacterBasedLexicon = true;
i++;
} else if (args[i].equalsIgnoreCase("-charUnk")) {
useCharBasedUnknownWordModel = true;
i++;
} else if (args[i].equalsIgnoreCase("-rad")) {
useUnknownCharacterModel = true;
i++;
} else if (args[i].equalsIgnoreCase("-lengthPenalty") && (i + 1 < args.length)) {
lengthPenalty = Double.parseDouble(args[i + 1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-penaltyType") && (i + 1 < args.length)) {
penaltyType = Integer.parseInt(args[i + 1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-gtUnknown")) {
useGoodTuringUnknownWordModel = true;
i++;
} else if (args[i].equalsIgnoreCase("-maxentUnk")) {
// useMaxentUnknownWordModel = true;
i++;
} else if (args[i].equalsIgnoreCase("-tuneSigma")) {
// ChineseMaxentLexicon.tuneSigma = true;
i++;
} else if (args[i].equalsIgnoreCase("-trainCountThresh") && (i + 1 < args.length)) {
// ChineseMaxentLexicon.trainCountThreshold = Integer.parseInt(args[i + 1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-markCC")) {
markCC = true;
i++;
} else if (args[i].equalsIgnoreCase("-segmentMarkov") || args[i].equalsIgnoreCase("-segmentWords")) {
segment = true;
segmentMarkov = true;
segmenterClass = "edu.stanford.nlp.parser.lexparser.ChineseMarkovWordSegmenter";
i++;
} else if (args[i].equalsIgnoreCase("-segmentMaxMatch")) {
segment = true;
segmentMarkov = false;
segmenterClass = "edu.stanford.nlp.parser.lexparser.MaxMatchSegmenter";
i++;
} else if (args[i].equalsIgnoreCase("-segmentDPMaxMatch")) {
segment = true;
segmentMarkov = false;
segmenterClass = "edu.stanford.nlp.wordseg.MaxMatchSegmenter";
i++;
} else if (args[i].equalsIgnoreCase("-maxentLex")) {
// useMaxentLexicon = true;
i++;
} else if (args[i].equalsIgnoreCase("-fixUnkFunctionWords")) {
// ChineseMaxentLexicon.fixUnkFunctionWords = true;
i++;
} else if (args[i].equalsIgnoreCase("-similarWordSmoothing")) {
useSimilarWordMap = true;
i++;
} else if (args[i].equalsIgnoreCase("-maxentLexSeenTagsOnly")) {
// useMaxentLexicon = true;
// ChineseMaxentLexicon.seenTagsOnly = true;
i++;
} else if (args[i].equalsIgnoreCase("-maxentLexFeatLevel") && (i + 1 < args.length)) {
// ChineseMaxentLexicon.featureLevel = Integer.parseInt(args[i + 1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-maxentDepGrammarFeatLevel") && (i + 1 < args.length)) {
depGramFeatureLevel = Integer.parseInt(args[i + 1]);
i += 2;
} else if (args[i].equalsIgnoreCase("-maxentDepGrammar")) {
// useMaxentDepGrammar = true;
i++;
} else if (args[i].equalsIgnoreCase("-splitNPTMP")) {
splitNPTMP = true;
i++;
} else if (args[i].equalsIgnoreCase("-splitPPTMP")) {
splitPPTMP = true;
i++;
} else if (args[i].equalsIgnoreCase("-splitXPTMP")) {
splitXPTMP = true;
i++;
} else if (args[i].equalsIgnoreCase("-segmenter")) {
segment = true;
segmentMarkov = false;
segmenterClass = args[i + 1];
i += 2;
} else if (args[i].equalsIgnoreCase("-headFinder") && (i + 1 < args.length)) {
try {
headFinder = (HeadFinder) Class.forName(args[i + 1]).newInstance();
} catch (Exception e) {
System.err.println(e);
System.err.println(this.getClass().getName() + ": Could not load head finder " + args[i + 1]);
throw new RuntimeException(e);
}
i+=2;
}
return i;
}
private int depGramFeatureLevel = 0;
@Override
public Extractor dependencyGrammarExtractor(final Options op, Index wordIndex, Index tagIndex) {
/* ----------
if (useMaxentDepGrammar) {
return new Extractor() {
public Object extract(Collection trees) {
ChineseWordFeatureExtractor wfe = new ChineseWordFeatureExtractor(trees);
ChineseWordFeatureExtractor wfe2 = new ChineseWordFeatureExtractor(trees);
wfe.setFeatureLevel(2);
wfe2.turnOffWordFeatures = true;
wfe2.setFeatureLevel(depGramFeatureLevel);
MaxentDependencyGrammar dg = new MaxentDependencyGrammar(op.tlpParams, wfe, wfe2, true, false, false);
dg.train(trees);
return dg;
}
public Object extract(Iterator iterator, Function f) {
throw new UnsupportedOperationException();
}
};
} else ------- */
if (useSimilarWordMap) {
return new MLEDependencyGrammarExtractor(op, wordIndex, tagIndex) {
@Override
public MLEDependencyGrammar formResult() {
wordIndex.addToIndex(Lexicon.UNKNOWN_WORD);
ChineseSimWordAvgDepGrammar dg = new ChineseSimWordAvgDepGrammar(tlpParams, directional, useDistance, useCoarseDistance, op.trainOptions.basicCategoryTagsInDependencyGrammar, op, wordIndex, tagIndex);
if (lex == null) {
throw new RuntimeException("Attempt to create ChineseSimWordAvgDepGrammar before Lexicon!!!");
} else {
dg.setLex(lex);
}
for (IntDependency dependency : dependencyCounter.keySet()) {
dg.addRule(dependency, dependencyCounter.getCount(dependency));
}
return dg;
}
};
} else {
return new MLEDependencyGrammarExtractor(op, wordIndex, tagIndex);
}
}
/**
* Return a default sentence for the language (for testing)
*/
@Override
public ArrayList defaultTestSentence() {
return Sentence.toUntaggedList("\u951f\u65a4\u62f7", "\u951f\u65a4\u62f7", "\u5b66\u6821", "\u951f\u65a4\u62f7", "\u5b66\u4e60", "\u951f\u65a4\u62f7");
}
private static final long serialVersionUID = 2;
@Override
public List
readGrammaticalStructureFromFile(String filename)
{
try {
return ChineseGrammaticalStructure.
readCoNLLXGrammaticalStructureCollection(filename);
} catch (IOException e) {
throw new RuntimeIOException(e);
}
}
@Override
public GrammaticalStructure getGrammaticalStructure(Tree t,
Predicate filter,
HeadFinder hf) {
return new ChineseGrammaticalStructure(t, filter, hf);
}
@Override
public boolean supportsBasicDependencies() {
return true;
}
/**
* For testing: loads a treebank and prints the trees.
*/
public static void main(String[] args) {
TreebankLangParserParams tlpp = new ChineseTreebankParserParams();
System.out.println("Default encoding is: " +
tlpp.diskTreebank().encoding());
if (args.length < 2) {
printlnErr("Usage: edu.stanford.nlp.parser.lexparser.ChineseTreebankParserParams treesPath fileRange");
} else {
Treebank m = tlpp.diskTreebank();
m.loadPath(args[0], new NumberRangesFileFilter(args[1], false));
for (Tree t : m ) {
t.pennPrint(tlpp.pw());
}
System.out.println("There were " + m.size() + " trees.");
}
}
}