# Generate new LDES member if the timestamp changes (every reading)
# for a certain sensor.

prefixes:
  ex: http://example.org/

sources:
  data-source: [../readings.csv~csv]

targets:
  target-ldes:
    access: output.ttl
    type: void
    serialization: turtle
    ldes:
      id: ex:ldes
      timestampPath: ex:ts

mappings:
  temperature-reading:
    sources: data-source
    subjects:
      - value: ex:$(SensorID)
        targets:
          - target-ldes

    changeDetection:
      create:
        explicit: false
      update:
        explicit: false
        watchedProperties: [$(SensorID), $(Timestamp), $(Temperature)]

    po:
      - [a, ex:Thermometer]
      - [ex:temp, $(Temperature)]
      - [ex:ts, $(Timestamp), xsd:dateTime]