code: public static Concept deserialiseConcept(String s) {
          if(unmarshaller == null) init();
          try {
              Object res = unmarshaller.unmarshal(new ByteArrayInputStream(s.getBytes()));
              return (Concept) res;
          } catch(JAXBException e) {
              log.error("There was a problem deserialising a concept. JAXB threw an exception.", e);
              throw new RuntimeException(e);
          }
      }
docs: Transforms a string representation of a concept into an {@link Concept}.
  
  @param s
  @return
  @throws RuntimeException