如何使用斯坦福解析器 [英] How to use Stanford parser
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问题描述
我的程序的一部分是:
public class testStanfordParser {
/ **用法:ParserDemo2 [ [grammar] textFile] * /
public static void main(String [] args)throws IOException {
String grammar = args.length> 0? args [0]:edu / stanford / nlp / models / lexparser / englishPCFG.ser.gz;
String [] options = {-maxLength,80,-retainTmpSubcategories};
LexicalizedParser lp = LexicalizedParser.loadModel(语法,选项);
TreebankLanguagePack tlp = new PennTreebankLanguagePack();
GrammaticalStructureFactory gsf = tlp.grammaticalStructureFactory();
...
错误是:
从序列化文件加载解析器edu / stanford / nlp / models / lexparser / englishPCFG.ser.gz java.io.IOException:无法解析edu / stanford / nlp / models /lexparser/englishPCFG.ser.gz作为类路径,文件名或URL
在edu.stanford.nlp.io.IOUtils.getInputStreamFromURLOrClasspathOrFileSystem(IOUtils.java:408)
在edu.stanford.nlp .io.IOUtils.readStreamFromString(IOUtils.java:356)
在edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromSerializedFile(LexicalizedParser.java:594)
在edu.stanford.nlp.parser .lexparser.LexicalizedParser.getParserFromFile(LexicalizedParser.java:389)
在edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:157)
在edu.stanford.nlp.parser在testStanfordParser.main(testStanfordParser.java:19)上的
的.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:143)。从文本文件中加载解析器edu / stanford / nlp / models / lexparser / englishPCFG.ser.gz线程main中的异常java.lang.NoSuchMethodError:edu.stanford.nlp.io.IOUtils.readerFromString(Ljava / lang / String; )Ljava / IO / BufferedReader中; edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromTextFile(LexicalizedParser.java:528)
$ ed $。
在edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:157)
在edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:143)
at testStanfordParser.main(testStanfordParser.java:19)
请帮我解决。
谢谢
解决方案
我正在使用Stanford解析器来提取名称,位置,组织等实体。
这是我的代码:
public class stanfrdIntro {
public static void main(String [] args)throws IOException,SAXException,
{
String serializedClassifier =classifiers / english.all.3class.distsim.crf.ser.gz;
AbstractSequenceClassifier< CoreLabel> classifier = CRFClassifier
.getClassifierNoExceptions(serializedClassifier);
字符串s1 =今天下午拉胡尔·库拉里,你今天好吗?
s1 = s1.replaceAll(\\s +,);
String t = classifier.classifyWithInlineXML(s1);
System.out.println(Arrays.toString(getTagValues(t).toArray()));
}
私有静态最终模式TAG_REGEX = Pattern.compile(< PERSON>(。+?)< / PERSON>);
private static Set< String> getTagValues(final String str){
final Set< String> tagValues = new HashSet< String>();
// final Set< String> tagValues = new TreeSet();
final Matcher matcher = TAG_REGEX.matcher(str);
while(matcher.find()){
tagValues.add(matcher.group(1));
}
return tagValues;
}
这可能会帮助您,但我只能提取实体。
I downloaded the Stanford parser 2.0.5 and use Demo2.java source code that is in the package, but After I compile and run the program it has many errors. A part of my program is:
public class testStanfordParser {
/** Usage: ParserDemo2 [[grammar] textFile] */
public static void main(String[] args) throws IOException {
String grammar = args.length > 0 ? args[0] : "edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz";
String[] options = { "-maxLength", "80", "-retainTmpSubcategories" };
LexicalizedParser lp = LexicalizedParser.loadModel(grammar, options);
TreebankLanguagePack tlp = new PennTreebankLanguagePack();
GrammaticalStructureFactory gsf = tlp.grammaticalStructureFactory();
...
the errors are:
Loading parser from serialized file edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz java.io.IOException: Unable to resolve edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz" as either class path, filename or URL
at edu.stanford.nlp.io.IOUtils.getInputStreamFromURLOrClasspathOrFileSystem(IOUtils.java:408)
at edu.stanford.nlp.io.IOUtils.readStreamFromString(IOUtils.java:356)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromSerializedFile(LexicalizedParser.java:594)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromFile(LexicalizedParser.java:389)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:157)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:143)
at testStanfordParser.main(testStanfordParser.java:19). Loading parser from text file edu/stanford/nlp/models/lexparser/englishPCFG.ser.gz Exception in thread "main" java.lang.NoSuchMethodError: edu.stanford.nlp.io.IOUtils.readerFromString(Ljava/lang/String;)Ljava/io/BufferedReader;
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromTextFile(LexicalizedParser.java:528)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.getParserFromFile(LexicalizedParser.java:391)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:157)
at edu.stanford.nlp.parser.lexparser.LexicalizedParser.loadModel(LexicalizedParser.java:143)
at testStanfordParser.main(testStanfordParser.java:19)
please help me to solve it. Thanks
解决方案
I am using Stanford parser to extract entities like name ,location,organization.
Here is my code:
public class stanfrdIntro {
public static void main(String[] args) throws IOException, SAXException,
{
String serializedClassifier = "classifiers/english.all.3class.distsim.crf.ser.gz";
AbstractSequenceClassifier<CoreLabel> classifier = CRFClassifier
.getClassifierNoExceptions(serializedClassifier);
String s1 = "Good afternoon Rahul Kulhari, how are you today?";
s1 = s1.replaceAll("\\s+", " ");
String t=classifier.classifyWithInlineXML(s1);
System.out.println(Arrays.toString(getTagValues(t).toArray()));
}
private static final Pattern TAG_REGEX = Pattern.compile("<PERSON>(.+?)</PERSON>");
private static Set<String> getTagValues(final String str) {
final Set<String> tagValues = new HashSet<String>();
//final Set<String> tagValues = new TreeSet();
final Matcher matcher = TAG_REGEX.matcher(str);
while (matcher.find()) {
tagValues.add(matcher.group(1));
}
return tagValues;
}
This might help you but i am extracting only entities.
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