use of com.joliciel.talismane.tokeniser.TokenisedAtomicTokenSequence in project talismane by joliciel-informatique.
the class TokenComparator method compare.
/**
* Evaluate the evaluation corpus against the reference corpus.
*
* @throws TalismaneException
* @throws IOException
*/
public void compare() throws TalismaneException, IOException {
while (referenceCorpusReader.hasNextSentence()) {
TokenSequence realSequence = referenceCorpusReader.nextTokenSequence();
TokenSequence guessedSequence = null;
if (evaluationCorpusReader.hasNextSentence())
guessedSequence = evaluationCorpusReader.nextTokenSequence();
else {
throw new TalismaneException("Wrong number of sentences in eval corpus: " + realSequence.getSentence().getText());
}
Sentence sentence = realSequence.getSentence();
// Initially, separate the sentence into tokens using the separators
// provided
TokenSequence realAtomicSequence = new TokenSequence(sentence, sessionId);
realAtomicSequence.findDefaultTokens();
TokenSequence guessedAtomicSequence = new TokenSequence(guessedSequence.getSentence(), sessionId);
guessedAtomicSequence.findDefaultTokens();
List<TokenPatternMatchSequence> matchingSequences = new ArrayList<TokenPatternMatchSequence>();
Map<Token, Set<TokenPatternMatchSequence>> tokenMatchSequenceMap = new HashMap<Token, Set<TokenPatternMatchSequence>>();
Set<Token> matchedTokens = new HashSet<Token>();
for (TokenPattern parsedPattern : tokeniserPatternManager.getParsedTestPatterns()) {
List<TokenPatternMatchSequence> matchesForThisPattern = parsedPattern.match(realAtomicSequence);
for (TokenPatternMatchSequence matchSequence : matchesForThisPattern) {
matchingSequences.add(matchSequence);
matchedTokens.addAll(matchSequence.getTokensToCheck());
Token token = null;
for (Token aToken : matchSequence.getTokensToCheck()) {
token = aToken;
if (!aToken.isWhiteSpace()) {
break;
}
}
Set<TokenPatternMatchSequence> matchSequences = tokenMatchSequenceMap.get(token);
if (matchSequences == null) {
matchSequences = new TreeSet<TokenPatternMatchSequence>();
tokenMatchSequenceMap.put(token, matchSequences);
}
matchSequences.add(matchSequence);
}
}
TokenisedAtomicTokenSequence guess = new TokenisedAtomicTokenSequence(realSequence.getSentence(), 0, sessionId);
int i = 0;
int mismatches = 0;
for (Token token : realAtomicSequence) {
if (!token.getText().equals(guessedAtomicSequence.get(i).getToken().getText())) {
// skipped stuff at start of sentence on guess, if it's been
// through the parser
TokeniserOutcome outcome = TokeniserOutcome.SEPARATE;
Decision decision = new Decision(outcome.name());
decision.addAuthority("_" + this.getClass().getSimpleName());
Set<TokenPatternMatchSequence> matchSequences = tokenMatchSequenceMap.get(token);
if (matchSequences != null) {
decision.addAuthority("_Patterns");
for (TokenPatternMatchSequence matchSequence : matchSequences) {
decision.addAuthority(matchSequence.getTokenPattern().getName());
}
}
guess.addTaggedToken(token, decision, outcome);
mismatches++;
LOG.debug("Mismatch: '" + token.getText() + "', '" + guessedAtomicSequence.get(i).getToken().getText() + "'");
if (mismatches > 6) {
LOG.info("Real sequence: " + realSequence.getSentence().getText());
LOG.info("Guessed sequence: " + guessedSequence.getSentence().getText());
throw new TalismaneException("Too many mismatches for sentence: " + realSequence.getSentence().getText());
}
continue;
}
TokeniserOutcome outcome = TokeniserOutcome.JOIN;
if (guessedSequence.getTokenSplits().contains(guessedAtomicSequence.get(i).getToken().getStartIndex())) {
outcome = TokeniserOutcome.SEPARATE;
}
Decision decision = new Decision(outcome.name());
decision.addAuthority("_" + this.getClass().getSimpleName());
Set<TokenPatternMatchSequence> matchSequences = tokenMatchSequenceMap.get(token);
if (matchSequences != null) {
decision.addAuthority("_Patterns");
for (TokenPatternMatchSequence matchSequence : matchSequences) {
decision.addAuthority(matchSequence.getTokenPattern().getName());
}
}
guess.addTaggedToken(token, decision, outcome);
i++;
}
List<TokenisedAtomicTokenSequence> guessedAtomicSequences = new ArrayList<TokenisedAtomicTokenSequence>();
guessedAtomicSequences.add(guess);
for (TokenEvaluationObserver observer : observers) {
observer.onNextTokenSequence(realSequence, guessedAtomicSequences);
}
}
for (TokenEvaluationObserver observer : observers) {
observer.onEvaluationComplete();
}
}
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