anchor.diff:  ### Retrieve only the most informative subsumers for the top matching phenotype annotations for a given pair of profiles, e.g. a gene and a taxon [GET]
   + Parameters
       + query_iri (required, URI, `http://www.informatics.jax.org/marker/MGI:1202401`) ... IRI for query profile    
  -    + corpus_iri (required, URI, `http://purl.obolibrary.org/obo/VTO_0037378`) ... IRI for matched profile in corpus
  +    + `corpus_iri` (required, URI, `http://purl.obolibrary.org/obo/VTO_0037378`) ... IRI for matched profile in corpus
   + Response 200 (application/json)
   
           {
  
positive.code: + Parameters
      + entity (optional, string `<http://purl.obolibrary.org/obo/BFO_0000050> some <http://purl.obolibrary.org/obo/UBERON_0003097>`) ... Anatomical class expression in [OWL Manchester syntax](http://www.w3.org/TR/owl2-manchester-syntax/)
      + quality (optional, string `<http://purl.obolibrary.org/obo/PATO_0000052>`) ... Quality class expression in [OWL Manchester syntax](http://www.w3.org/TR/owl2-manchester-syntax/)
      + in\_taxon (optional, URI, `http://purl.obolibrary.org/obo/VTO_0034991`) ... A taxon group to limit the results
      + limit (optional, integer `20`)
      + offset (optional, integer, `0`)
      + total (optional, boolean, `false`) ... whether to return the total result count rather than the results
  
negative.code:             }, {
              "@id": "http://purl.obolibrary.org/obo/UBERON_0008907"
          }]
          }
  
  ## Property neighbors for object [/term/property_neighbors/object{?term,property}]
  ### Return subjects of existential relations to the given object [GET]
  For a subject `S` with an existential 'part_of' relation to the object `O`, it means that
  `S` SubClassOf `part_of` some `O`. The only currently supported property is `http://purl.obolibrary.org/obo/BFO_0000050` (part_of).
  + Parameters
      + term (required, URI, `http://purl.obolibrary.org/obo/UBERON_0001442`) ... IRI of focal term
      + property (required, URI, `http://purl.obolibrary.org/obo/BFO_0000050`) ... IRI of property
  + Response 200 (application/json)
  
          {
            "results": [
              {
                "@id": "http://purl.obolibrary.org/obo/UBERON_0005897",
                "label": "manus bone"
              },
              {
                "@id": "http://purl.obolibrary.org/obo/UBERON_0009880",
                "label": "carpal skeleton"
              },
              {
                "@id": "http://purl.obolibrary.org/obo/UBERON_0012151",
                "label": "skeleton of manual digitopodium"
              },
              {
                "@id": "http://purl.obolibrary.org/obo/UBERON_4200179",
                "label": "manual claw"
              }
            ]
          }
  
  ## Property neighbors for subject [/term/property_neighbors/subject{?term,property}]
  ### Return objects of existential relations to the given subject [GET]
  For a subject `S` with an existential 'part_of' relation to the object `O`, it means that
  `S` SubClassOf `part_of` some `O`. The only currently supported property is `http://purl.obolibrary.org/obo/BFO_0000050` (part_of).
  + Parameters
      + term (required, URI, `http://purl.obolibrary.org/obo/UBERON_0001442`) ... IRI of focal term
      + property (required, URI, `http://purl.obolibrary.org/obo/BFO_0000050`) ... IRI of property
  + Response 200 (application/json)
  
          {
          "results": [
              {
              "@id": "http://purl.obolibrary.org/obo/UBERON_0001440",
              "label": "forelimb skeleton"
              },
              {
              "@id": "http://purl.obolibrary.org/obo/UBERON_0002398",
              "label": "manus"
              },
              {
              "@id": "http://purl.obolibrary.org/obo/UBERON_0006717",
              "label": "autopodial skeleton"
              }
          ]
          }
  
  # Group OntoTrace
  