/** * ************************************************************************************************************ * If we haven't managed to create a subject, try creating one with Patient. The result will be * "experiences" + the process verb in a noun form. This can be seen as a precursor of correct * passive voice. */ private void doPassiveVoice() { List<CaseRole> caseRolesToUse = Lists.newArrayList( CaseRole.EXPERIENCER, CaseRole.MOVES, CaseRole.PATIENT, CaseRole.RESOURCE, CaseRole.ATTENDS); // Set subject. StringBuilder sBuild = new StringBuilder(); for (CaseRole role : caseRolesToUse) { String obj = formulateNounPhraseForCaseRole(role, subject, kb); if (!obj.isEmpty()) { sBuild.append(" ").append(obj).append(" "); getCaseRolesScratchpad().removeAll(role); break; } } subject.setSurfaceForm(sBuild.toString().replaceAll("\\s+", " ").trim()); // Set verb to "experiences" and the direct object to a noun form of the process. verb.setVerbAndDirectObject(this); }
/** * ************************************************************************************************************ * Put the "direct object" of this process into natural language. */ void formulateNaturalDirectObject() { StringBuilder sBuild = new StringBuilder(); VerbProperties verbProperties = new VerbPropertiesSimpleImpl(); List<CaseRole> caseRolesToUse = verbProperties.getCaseRolesForGrammarRole( getVerb().getVerb(), SVOElement.SVOGrammarPosition.DIRECT_OBJECT); // It's possible that the direct object slot has already been filled, e.g. by the verb if we // didn't know how // to translate the process into natural language. Since only one direct object is allowed, in // this case we need to // precede any objects formulated here with a prefix, and add the data to the indirect object // list. String prefix = ""; SVOElement element = directObject; if (!directObject.getSurfaceForm().isEmpty()) { prefix = "on "; element = new SVOElement(SVOGrammarPosition.INDIRECT_OBJECT); indirectObjects.add(element); } for (CaseRole role : caseRolesToUse) { String obj = formulateNounPhraseForCaseRole(role, directObject, kb); if (!obj.isEmpty()) { sBuild.append(prefix).append(" ").append(obj).append(" "); getCaseRolesScratchpad().removeAll(role); break; } } element.setSurfaceForm(sBuild.toString().replaceAll("\\s+", " ").trim()); }
/** * ************************************************************************************************************ * Put the subject of this process into natural language. */ void formulateNaturalSubject() { StringBuilder sBuild = new StringBuilder(); VerbProperties verbProperties = new VerbPropertiesSimpleImpl(); List<CaseRole> caseRolesToUse = verbProperties.getCaseRolesForGrammarRole( getVerb().getVerb(), SVOElement.SVOGrammarPosition.SUBJECT); for (CaseRole role : caseRolesToUse) { String obj = formulateNounPhraseForCaseRole(role, subject, kb); if (!obj.isEmpty()) { sBuild.append(" ").append(obj).append(" "); getCaseRolesScratchpad().removeAll(role); break; } } subject.setSurfaceForm(sBuild.toString().replaceAll("\\s+", " ").trim()); }
/** * ************************************************************************************************************ * Put the "indirect object" of this process into natural language. */ void formulateNaturalIndirectObject() { VerbProperties verbProperties = new VerbPropertiesSimpleImpl(); String verb = getVerb().getVerb(); List<CaseRole> caseRolesToUse = verbProperties.getCaseRolesForGrammarRole( verb, SVOElement.SVOGrammarPosition.INDIRECT_OBJECT); for (CaseRole role : caseRolesToUse) { SVOElement element = new SVOElement(SVOGrammarPosition.INDIRECT_OBJECT); String obj = formulateNounPhraseForCaseRole(role, element, kb); if (!obj.isEmpty()) { List<String> preps = verbProperties.getPrepositionForCaseRole(verb, role); // TODO: for time being, take just the first one in the list String prep = preps.get(0); element.setSurfaceForm(prep + " " + obj + " "); indirectObjects.add(element); getCaseRolesScratchpad().removeAll(role); } } }