info.ephyra.trec
Class TREC13To16Parser

java.lang.Object
  info.ephyra.trec.TREC13To16Parser

public class TREC13To16Parser
extends java.lang.Object

A parser for the TREC 13-16 QA tracks.

Version:

2008-02-07

Author:

Nico Schlaefer

Field Summary

private static java.util.ArrayList<java.lang.String>	factoidEntries Cached log file entries of type "factoid".
private static java.util.ArrayList<java.lang.String>	listEntries Cached log file entries of type "list".
private static java.util.ArrayList<java.lang.String>	otherEntries Cached log file entries of type "other".
private static java.lang.String[]	REPLACEMENTS Replacements for the special characters.
private static java.lang.String[]	SPECIALCHARS Characters that have to be replaced before parsing an XML document.

Constructor Summary

TREC13To16Parser()

Method Summary

static void	dropAllCachedEntries() Drops the cached entries of all types.
static void	dropCachedFactoidEntries() Drops the cached entries of type "factoid".
static void	dropCachedListEntries() Drops the cached entries of type "list".
static void	dropCachedOtherEntries() Drops the cached entries of type "other".
static TRECPattern[]	loadPatterns(java.lang.String filename) Loads patterns for the factoid or list questions from a file.
static Result[]	loadResults(java.lang.String question, java.lang.String type, java.lang.String logfile) Loads the results for a question from a log file.
static TRECTarget[]	loadTargets(java.lang.String filename) Loads the target objects from a file.
static boolean	saveAnswers(java.lang.String filename, TRECAnswer[] answers, boolean[] correct, java.lang.String runTag) Appends answers to an output file.

Methods inherited from class java.lang.Object

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

Field Detail

SPECIALCHARS

private static final java.lang.String[] SPECIALCHARS

Characters that have to be replaced before parsing an XML document.

REPLACEMENTS

private static final java.lang.String[] REPLACEMENTS

Replacements for the special characters.

factoidEntries

private static java.util.ArrayList<java.lang.String> factoidEntries

Cached log file entries of type "factoid".

listEntries

private static java.util.ArrayList<java.lang.String> listEntries

Cached log file entries of type "list".

otherEntries

private static java.util.ArrayList<java.lang.String> otherEntries

Cached log file entries of type "other".

Constructor Detail

TREC13To16Parser

public TREC13To16Parser()

Method Detail

dropCachedFactoidEntries

public static void dropCachedFactoidEntries()

Drops the cached entries of type "factoid".

dropCachedListEntries

public static void dropCachedListEntries()

Drops the cached entries of type "list".

dropCachedOtherEntries

public static void dropCachedOtherEntries()

Drops the cached entries of type "other".

dropAllCachedEntries

public static void dropAllCachedEntries()

Drops the cached entries of all types.

loadTargets

public static TRECTarget[] loadTargets(java.lang.String filename)

Loads the target objects from a file.

Parameters:

filename - file that contains the targets

Returns:

targets or null, if the file could not be parsed

loadPatterns

public static TRECPattern[] loadPatterns(java.lang.String filename)

Loads patterns for the factoid or list questions from a file.

Parameters:

filename - file that contains the patterns

Returns:

patterns or null, if the file could not be parsed

loadResults

public static Result[] loadResults(java.lang.String question,
                                   java.lang.String type,
                                   java.lang.String logfile)

Loads the results for a question from a log file.

Parameters:

question - the question

type - the type of question ("factoid", "list" or "other")

logfile - the log file

Returns:

array of results or null if the question could not be found in the log file

saveAnswers

public static boolean saveAnswers(java.lang.String filename,
                                  TRECAnswer[] answers,
                                  boolean[] correct,
                                  java.lang.String runTag)

Appends answers to an output file.

Parameters:

filename - the output file

answers - the answers

correct - for each answer a flag that is true iff the answer is correct or null if the answers were not evaluated

runTag - tag that uniquely identifies the run

Returns:

true, iff the answers could be saved