anchor.diff:  Project,organisms,JERMVocab.investigates,u,,
   Project,studies,JERMVocab.hasItem,u,,
   Project,web_page,RDF::FOAF.homepage,u,,
  -Publication,projects,JERMVocab.isAssociatedWith,u,,
  -Publication,assays,JERMVocab.isAssociatedWith,u,,
  -Sample,assays,JERMVocab.isPartOf,u,,
  -Sample,donation_date,JERMVocab.donation_date,l,item.to_datetime,compact
  -Sample,lab_internal_number,JERMVocab.Lab_internal_ID,l,,
  -Sample,projects,JERMVocab.itemProducedBy,u,,
  -Sample,provider_id,JERMVocab.External_supplier_ID,l,,
  -Sample,sampling_date,JERMVocab.sampling_date,l,item.to_datetime,compact
  -Sample,specimen,JERMVocab.isDerivedFrom,u,,
  +Project,people,JERMVocab.isAssociatedWith,u,,
  +Publication,projects,JERMVocab.itemProducedBy,u,,
  +Publication,assays,JERMVocab.isPartOf,u,,
   Sop,assays,JERMVocab.isPartOf,u,,
   Sop,projects,JERMVocab.itemProducedBy,u,,
  -Specimen,culture_growth_type,JERMVocab.hasCharacteristics,u,,
  -Specimen,lab_internal_number,JERMVocab.Lab_internal_ID,l,,
  -Specimen,projects,JERMVocab.itemProducedBy,u,,
  -Specimen,samples,JERMVocab.hasPart,u,,
  -Specimen,strain,JERMVocab.isDerivedFrom,u,,
   Strain,assays,JERMVocab.is_investigated_by,u,,
   Strain,ncbi_uri,JERMVocab.NCBI_ID,u,,compact
  -Strain,provider_id,JERMVocab.External_supplier_id,l,,
  +Strain,provider_id,JERMVocab.External_supplier_ID,l,,
   Study,assays,JERMVocab.hasPart,u,,
   Study,investigation,JERMVocab.isPartOf,u,,
   Study,projects,JERMVocab.itemProducedBy,u,,
  -Person,projects,JERMVocab.isAssociatedWith,u,,
  -Project,people,JERMVocab.isAssociatedWith,u,,
  -Assay,assets,JERMVocab.hasPart,u,,
  +
  
positive.code: *,managers,RDF::SIOC.has_owner,u,,
  *,title,RDF::DC.title,l,,
  *,updated_at,RDF::DC.modified,l,item.to_datetime,
  *,publications,JERMVocab.isAssociatedWith,u,,
  *,latest_version,RDF::DC.hasVersion,u,,
  Assay,assay_type_uri,JERMVocab.hasType,u,,
  Assay,organisms,JERMVocab.investigates,u,,
  Assay,projects,JERMVocab.itemProducedBy,u,,
  Assay,strains,JERMVocab.investigates,u,,
  Assay,study,JERMVocab.isPartOf,u,,
  Assay,technology_type_uri,JERMVocab.hasType,u,,
  Assay,assay_type_uri,JERMVocab.hasType,u,,
  Assay,technology_type_uri,JERMVocab.hasType,u,,
  Compound,chebi_ids,RDF::OWL.sameAs,u,'http://identifiers.org/obo.chebi/CHEBI:'+item,
  Compound,chebi_ids,RDF::OWL.sameAs,u,'urn:miriam:obo.chebi:'+item,
  Compound,sabiork_ids,JERMVocab.sabiork_id,l,,
  DataFile,assays,JERMVocab.isPartOf,u,,
  DataFile,projects,JERMVocab.itemProducedBy,u,,
  Investigation,projects,JERMVocab.itemProducedBy,u,,
  
negative.code: Model,projects,JERMVocab.itemProducedBy,u,,
  Organism,assays,JERMVocab.is_investigated_by,u,,
  Organism,ncbi_uri,JERMVocab.NCBI_ID,u,,
  Person,assets,JERMVocab.isCreatorOf,u,,select{|item| !item.is_a?(Presentation)}
  Person,email_uri,RDF::FOAF.mbox_sha1sum,l,Digest::SHA1.hexdigest(item),
  Person,first_name,RDF::FOAF.firstName,l,,
  Person,last_name,RDF::FOAF.familyName,l,,
  Person,name,RDF::SIOC.name,l,,
  Person,name,RDF::FOAF.name,l,,
  Person,projects,JERMVocab.isAssociatedWith,u,,
  Person,web_page,RDF::FOAF.homepage,u,,
  Project,assays,JERMVocab.hasItem,u,,
  Project,assets,JERMVocab.hasItem,u,,select{|item| !item.is_a?(Presentation)}
  