org.cogroo.formats.ad

Class ADChunk2SampleStream

java.lang.Object

org.cogroo.formats.ad.ADChunk2SampleStream

All Implemented Interfaces:

AutoCloseable, opennlp.tools.util.ObjectStream<opennlp.tools.chunker.ChunkSample>

Direct Known Subclasses:

ADChunkBasedHeadFinderSampleStream, ADChunkBasedShallowParserSampleStream

public class ADChunk2SampleStream
extends Object
implements opennlp.tools.util.ObjectStream<opennlp.tools.chunker.ChunkSample>

Parser for Floresta Sita(c)tica Arvores Deitadas corpus, output to for the Portuguese Chunker training.

The heuristic to extract chunks where based o paper 'A Machine Learning Approach to Portuguese Clause Identification', (Eraldo Fernandes, Cicero Santos and Ruy Milidiú).

Data can be found on this web site:
http://www.linguateca.pt/floresta/corpus.html

Information about the format:
Susana Afonso. "Árvores deitadas: Descrição do formato e das opções de análise na Floresta Sintáctica" .
12 de Fevereiro de 2006. http://www.linguateca.pt/documentos/Afonso2006ArvoresDeitadas.pdf

Detailed info about the NER tagset: http://beta.visl.sdu.dk/visl/pt/info/portsymbol.html#semtags_names

Note: Do not use this class, internal use only!

Field Summary

Fields

Modifier and Type	Field and Description
static String	OTHER

Constructor Summary

Constructors

Constructor and Description
ADChunk2SampleStream(opennlp.tools.util.InputStreamFactory in, String charsetName) Creates a new NameSample stream from a InputStream
ADChunk2SampleStream(opennlp.tools.util.ObjectStream<String> lineStream) Creates a new NameSample stream from a line stream, i.e.

Method Summary

Modifier and Type	Method and Description
void	close()
static String	convertFuncTag(String t, boolean useCGTags)
opennlp.tools.chunker.ChunkSample	read()
void	reset()
void	setEnd(int aEnd)
void	setStart(int aStart)

Methods inherited from class java.lang.Object

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

Field Detail

OTHER

public static final String OTHER

See Also:

Constant Field Values

Constructor Detail

ADChunk2SampleStream

public ADChunk2SampleStream(opennlp.tools.util.ObjectStream<String> lineStream)

Creates a new NameSample stream from a line stream, i.e. ObjectStream< String>, that could be a PlainTextByLineStream object.

Parameters:

lineStream - a stream of lines as String

ADChunk2SampleStream

public ADChunk2SampleStream(opennlp.tools.util.InputStreamFactory in,
                            String charsetName)
                     throws IOException

Creates a new NameSample stream from a InputStream

Parameters:

in - the Corpus InputStream

charsetName - the charset of the Arvores Deitadas Corpus

Throws:

IOException

Method Detail

read

public opennlp.tools.chunker.ChunkSample read()
                                       throws IOException

Specified by:

read in interface opennlp.tools.util.ObjectStream<opennlp.tools.chunker.ChunkSample>

Throws:

IOException

convertFuncTag

public static String convertFuncTag(String t,
                                    boolean useCGTags)

setStart

public void setStart(int aStart)

setEnd

public void setEnd(int aEnd)

reset

public void reset()
           throws IOException,
                  UnsupportedOperationException

Specified by:

reset in interface opennlp.tools.util.ObjectStream<opennlp.tools.chunker.ChunkSample>

Throws:

IOException

UnsupportedOperationException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface opennlp.tools.util.ObjectStream<opennlp.tools.chunker.ChunkSample>

Throws:

IOException