anchor.diff:      + kb (string, `uberon`) ... label for a knowledgebase loaded into Owlery
   + Response 200 (application/json)
   
  -```json
  -{
  -  "label": "uberon",
  -  "isConsistent": true,
  -  "logicalAxiomsCount": 43938,
  -  "@context": {
  +    ```json
  +    {
  +    "label": "uberon",
  +    "isConsistent": true,
  +    "logicalAxiomsCount": 43938,
  +    "@context": {
       "hasInstance": {
  -      "@reverse": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
  -      "@type": "@id"
  +    "@reverse": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
  +    "@type": "@id"
       },
       "equivalentClass": {
         "@id": "http://www.w3.org/2002/07/owl#equivalentClass",
  
positive.code: 
  + Response 200 (application/json)
  
  ```json
  ["uberon", "pato", "bspo"]
  ```
  
  ## Knowledgebase [/kbs/{kb}]
  ### Display Knowledgebase information and status [GET]
  
negative.code:       "@reverse": "http://www.w3.org/2000/01/rdf-schema#subClassOf",
        "@type": "@id"
      }
      }
      }
      ```
  
  # Group DL queries
          
  