Source: http://compbio.charite.de/jenkins/job/hpo.annotations/lastStableBuild/
phenotype_annotation.tab
negative_phenotype_annotation.tab
Similarly to what we have for the OMIM vocabulary, for each disorder:
actual_symptom fields will contain the annotations from phenotype_annotation.tab
symptom fields will store all ancestors of actual_symptoms
actual_not_symptom will contain the annotations from negative_phenotype_annotation.tab