code: def create(self, ontology=None,subject_category=None,object_category=None,evidence=None,taxon=None,relation=None, file=None, fmt=None, skim=True):
          
          meta = AssociationSetMetadata(subject_category=subject_category,
                                        object_category=object_category,
                                        taxon=taxon)
  
          if file is not None:
              return self.create_from_file(file=file,
                                           fmt=fmt,
                                           ontology=ontology,
                                           meta=meta,
                                           skim=skim)
  
          logging.info("Fetching assocs from store")
          assocs = bulk_fetch_cached(subject_category=subject_category,
                                     object_category=object_category,
                                     evidence=evidence,
                                     taxon=taxon)
  
          logging.info("Creating map for {} subjects".format(len(assocs)))
  
  
  
          amap = {}
          subject_label_map = {}
          for a in assocs:
              rel = a['relation']
              subj = a['subject']
              subject_label_map[subj] = a['subject_label']
              amap[subj] = a['objects']
  
  
          aset = AssociationSet(ontology=ontology,
                                meta=meta,
                                subject_label_map=subject_label_map,
                                association_map=amap)
          return aset
docs: creates an AssociationSet
  
          Currently, this uses an eager binding to a `ontobio.golr` instance. All compact associations for the particular combination
          of parameters are fetched.
  
          Arguments
          ---------
  
          ontology:         an `Ontology` object
          subject_category: string representing category of subjects (e.g. gene, disease, variant)
          object_category: string representing category of objects (e.g. function, phenotype, disease)
          taxon:           string holding NCBITaxon:nnnn ID