use of com.yahoo.text.interpretation.Modification in project vespa by vespa-engine.
the class RewriterUtils method getSpellCorrected.
/**
* Retrieve spell corrected query with highest score from QLAS
*
* @param query Query object from the searcher
* @param qss_rw Whether to consider qss_rw modification
* @param qss_sugg Whether ot consider qss_sugg modification
* @return Spell corrected query or null if not found
*/
public static String getSpellCorrected(Query query, boolean qss_rw, boolean qss_sugg) throws RuntimeException {
log(utilsLogger, query, "Retrieving spell corrected query");
// Retrieve Intent Model
IntentModel intentModel = IntentModel.getFrom(query);
if (intentModel == null) {
error(utilsLogger, query, "Unable to retrieve intent model");
throw new RuntimeException("Not able to retrieve intent model");
}
double max_score = 0;
String spellCorrected = null;
// query with highest score
for (InterpretationNode interpretationNode : intentModel.children()) {
Modification modification = interpretationNode.getInterpretation().getModification();
Annotations annotations = modification.getAnnotation();
Double score = annotations.getDouble("score");
// Check if it's higher than the max score
if (score != null && score > max_score) {
Boolean isQSSRewrite = annotations.getBoolean("qss_rw");
Boolean isQSSSuggest = annotations.getBoolean("qss_sugg");
// Check if it's qss_rw or qss_sugg
if ((qss_rw && isQSSRewrite != null && isQSSRewrite) || (qss_sugg && isQSSSuggest != null && isQSSSuggest)) {
max_score = score;
spellCorrected = modification.getText();
}
}
}
if (spellCorrected != null) {
log(utilsLogger, query, "Successfully retrieved spell corrected query: " + spellCorrected);
} else {
log(utilsLogger, query, "No spell corrected query is retrieved");
}
return spellCorrected;
}
use of com.yahoo.text.interpretation.Modification in project vespa by vespa-engine.
the class QueryRewriteSearcherTestUtils method createInterpretation.
/**
* Create a new interpretation with modification that
* contains the passed in query and score
* @param spellRewrite query to be used as modification
* @param score score to be used as modification score
* @param isQSSRW whether the modification is qss_rw
* @param isQSSSugg whether the modification is qss_sugg
* @return newly created interpretation with modification
*/
public Interpretation createInterpretation(String spellRewrite, double score, boolean isQSSRW, boolean isQSSSugg) {
Modification modification = new Modification(spellRewrite);
Annotations annotation = modification.getAnnotation();
annotation.put("score", score);
if (isQSSRW)
annotation.put("qss_rw", true);
if (isQSSSugg)
annotation.put("qss_sugg", true);
Interpretation interpretation = new Interpretation(modification);
return interpretation;
}
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