### Normative references

- [1] ETSI TS 103 264 (V3.1.1): "SmartM2M; Smart Applications; Reference Ontology and oneM2M Mapping".
  NOTE: Available at https://www.etsi.org/deliver/etsi_ts/103200_103299/103264/03.01.01_60/ts_103264v030101p.pdf .
- [2] EN 50631:2023, parts 1-4: "Household appliances network and grid connectivity" (produced by CENELEC).
- [3] EN 50491-12-2:2022: "General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 12-2: Smart grid - Application specification - Interface and framework for customer - Interface between the Home / Building CEM and Resource manager(s) - Data model and messaging" (produced by CENELEC).

### Informative references

- [i.1] TNO, EEBus, Energy@Home: "SAREF4EE".
  NOTE: Available at https://w3id.org/saref4ee.
- [i.2] Energy@home Data Model, v2.1, October 2015.
  NOTE: Available at http://www.energy-home.it/Documents/Technical%20Specifications/E@h_data_model_v2.1.pdf.
- [i.3] IEC TR 62746-2:2015: "Systems interface between customer energy management system and the power management system - Part 2: Use cases and requirements".
  NOTE: Available at https://webstore.iec.ch/publication/22279.
- [i.4] ETSI TR 103 411: "SmartM2M Smart Appliances SAREF extension investigation".
- [i.5] Mente Konsman and Ewoud Werkman in collaboration with TC 205 WG 18 members: "S2 White paper", 2023.
- S2-ws-json: "A WebSockets and JSON based protocol implementing the EN 50491-12-2 'S2' standard for home and building energy management".
- Open Geospatial Consortium: "OGC Abstract Specification Topic 20: Observations, measurements and samples", 2023.
- European Commission: "Horizon 2020 project InterConnect".