edu.stanford.nlp.parser.charniak

Class CharniakScoredParsesReaderWriter

java.lang.Object

edu.stanford.nlp.parser.charniak.CharniakScoredParsesReaderWriter

public class CharniakScoredParsesReaderWriter
extends Object

Utility routines for printing/reading scored parses for the Charniak Parser.

Author:

Angel Chang

Method Summary

Modifier and Type	Method and Description
static String	parsesToString(List<ScoredObject<Tree>> parses) Convert list of scored parse trees to string representing scored parses (in the charniak parser output format).
static void	printScoredTrees(Iterable<List<ScoredObject<Tree>>> trees, String filename) Print scored parse trees in format used by charniak parser
static void	printScoredTrees(PrintWriter pw, int id, List<ScoredObject<Tree>> trees) Print scored parse trees for one sentence in format used by Charniak parser.
static Iterable<List<ScoredObject<Tree>>>	readScoredTrees(String filename) Reads scored parses from the charniak parser File format of the scored parses:
static Iterable<List<ScoredObject<Tree>>>	readScoredTrees(String inputDesc, BufferedReader br) Reads scored parses from the charniak parser
static List<ScoredObject<Tree>>	stringToParses(String parseStr) Convert string representing scored parses (in the charniak parser output format) to list of scored parse trees

Methods inherited from class java.lang.Object

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

Method Detail

readScoredTrees

public static Iterable<List<ScoredObject<Tree>>> readScoredTrees(String filename)

Reads scored parses from the charniak parser File format of the scored parses:

 <# of parses>\t<sentenceid>
 <score>
 <parse>
 <score>
 <parse>
 ...  

Parameters:

filename - - File to read parses from

Returns:

iterable with list of scored parse trees

readScoredTrees

public static Iterable<List<ScoredObject<Tree>>> readScoredTrees(String inputDesc,
                                                                 BufferedReader br)

Reads scored parses from the charniak parser

Parameters:

inputDesc - - Description of input used in log messages

br - - input reader

Returns:

iterable with list of scored parse trees

stringToParses

public static List<ScoredObject<Tree>> stringToParses(String parseStr)

Convert string representing scored parses (in the charniak parser output format) to list of scored parse trees

Parameters:

parseStr -

Returns:

list of scored parse trees

parsesToString

public static String parsesToString(List<ScoredObject<Tree>> parses)

Convert list of scored parse trees to string representing scored parses (in the charniak parser output format).

Parameters:

parses - - list of scored parse trees

Returns:

string representing scored parses

printScoredTrees

public static void printScoredTrees(Iterable<List<ScoredObject<Tree>>> trees,
                                    String filename)

Print scored parse trees in format used by charniak parser

Parameters:

trees - - trees to output

filename - - file to output to

printScoredTrees

public static void printScoredTrees(PrintWriter pw,
                                    int id,
                                    List<ScoredObject<Tree>> trees)

Print scored parse trees for one sentence in format used by Charniak parser.

Parameters:

pw - - printwriter

id - - sentence id

trees - - trees to output