columns:
  - watched topics, and one for 'nonmatching'

  - incoming messages

  - generic graph

  - output graphs

  - generated influx points


config:
  - expand to generic graph, parsing json
  - rules to make output graph, with some custom predicates
  - influx as before
  - buttonPress and statementLifetime as before, as conversions

  https://www.w3.org/2000/10/swap/doc/Built-In.html#:~:text=%7B%20%20%20((%3Fx.-,tempInF,-%2232%22).math%3Adifference%20%220.5555

  ----
  inference

  ~/.venvs/mqtt_to_rdf/bin/nosetests --with-cprof --logging-level=INFO inference_test
  ~/.venvs/mqtt_to_rdf/bin/pyprof2calltree -i stats.dat -k