edu.washington.cs.knowitall.nlp
Class ChunkedDocumentReader

java.lang.Object
  edu.washington.cs.knowitall.nlp.ChunkedDocumentReader

public class ChunkedDocumentReader
extends Object

A class for converting raw text into ChunkedDocument objects. The behavior of this class depends on two parameters: a SentenceExtractor object, which converts a String into a list of String sentences; and a SentenceChunker object, which converts a String sentence into a ChunkedSentence object.

Author:

afader

Constructor Summary

ChunkedDocumentReader()
Uses the object returned by DefaultObjects.getDefaultHtmlSentenceExtractor() as the default sentence extractor, and OpenNlpSentenceChunker as the default sentence chunker.

ChunkedDocumentReader(SentenceChunker sentChunker)
Uses the object returned by DefaultObjects.getDefaultHtmlSentenceExtractor() as the default sentence extractor.

ChunkedDocumentReader(SentenceExtractor sentExtractor)
Uses OpenNlpSentenceChunker as the default sentence chunker.

ChunkedDocumentReader(SentenceExtractor sentExtractor, SentenceChunker sentChunker)

Method Summary

SentenceChunker	getSentenceChunker()
SentenceExtractor	getSentenceExtractor()
ChunkedDocument	readDocument(File file) Reads a document from the given file, using File.getAbsolutePath() as the id of the document.
ChunkedDocument	readDocument(InputStream input, String id) Reads a document from the input, assigning it the given id
ChunkedDocument	readDocument(String docStr, String id) Reads a document from the given string, assigning it the given id

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChunkedDocumentReader

public ChunkedDocumentReader(SentenceExtractor sentExtractor,
                             SentenceChunker sentChunker)
                      throws IOException

Parameters:

sentExtractor - the object responsible for converting a String to String sentences

sentChunker - the object responsible for converting a String sentence to a ChunkedSentence object

Throws:

IOException

ChunkedDocumentReader

public ChunkedDocumentReader(SentenceExtractor sentExtractor)
                      throws IOException

Uses OpenNlpSentenceChunker as the default sentence chunker.

Parameters:

sentExtractor - the object responsible for converting a String to String sentences

Throws:

IOException

ChunkedDocumentReader

public ChunkedDocumentReader(SentenceChunker sentChunker)
                      throws IOException

Uses the object returned by DefaultObjects.getDefaultHtmlSentenceExtractor() as the default sentence extractor.

Parameters:

sentChunker - the object responsible for converting a String sentence to a ChunkedSentence object

Throws:

IOException

ChunkedDocumentReader

public ChunkedDocumentReader()
                      throws IOException

Uses the object returned by DefaultObjects.getDefaultHtmlSentenceExtractor() as the default sentence extractor, and OpenNlpSentenceChunker as the default sentence chunker.

Throws:

IOException

Method Detail

getSentenceExtractor

public SentenceExtractor getSentenceExtractor()

Returns:

the object responsible for converting a String to String sentences

getSentenceChunker

public SentenceChunker getSentenceChunker()

Returns:

the object responsible for converting a String sentence to a ChunkedSentence object

readDocument

public ChunkedDocument readDocument(InputStream input,
                                    String id)
                             throws ExtractorException

Reads a document from the input, assigning it the given id

Parameters:

input -

id -

Returns:

the document

Throws:

ExtractorException

readDocument

public ChunkedDocument readDocument(File file)
                             throws ExtractorException

Reads a document from the given file, using File.getAbsolutePath() as the id of the document.

Parameters:

file -

Returns:

the document

Throws:

ExtractorException

readDocument

public ChunkedDocument readDocument(String docStr,
                                    String id)
                             throws ExtractorException

Reads a document from the given string, assigning it the given id

Parameters:

docStr -

id -

Returns:

the document

Throws:

ExtractorException - if unable to run sentence extractor