anchor.diff:  
   # Owlery
   Owlery provides a web API for an [OWL API](http://owlapi.sourceforge.net)-based reasoner containing a configurable set of ontologies (a "knowledgebase").
  +
  +# Group Knowledgebases
  +
  +## List available knowledgebases [/kbs]
  +### List names of available knowledgebases in this instance of Owlery [GET]
  +
  ++ Response 200 (application/json)
  +
  +```json
  +["uberon", "pato", "bspo"]
  +```
   
   ## Knowledgebase [/kbs/{kb}]
   ### Display Knowledgebase information and status [GET]
  
positive.code:     + direct = `true` (optional, boolean)
  + Response 200 (application/json)
  
  ## SPARQL endpoint [/kbs/{kb}/sparql{?query}]
  Perform SPARQL query using Owlet-style embedded class expressions
  ### Perform SPARQL query encoded in URL parameter [GET]
  
negative.code:   }
  }
  ```
  
  # Group DL queries
          
  ## Subclasses [/kbs/{kb}/subclasses{?object,prefixes,direct}]
  ### Get subclasses of a named class or expression [GET]
  