A Multi-layered Context ModellingApproach for End Users, Expert Users and Programmers

Sandra Trullemans and Beat Signer

05/06/2016

IF situation THEN action

Smart Homes

Digital Homes

IF THENI Sleep

IF THENMessage in meeting

Situation

Situation

Where We Can do Better

• Sensor-level knowledge required

• Hard for complex situations

Rules in Practise

End User

Programmer

Multi-layered Modelling Approach

End User Expert User Programmer

Collaboration

+

Reusing Situations Templates

Reuse of Situations

IF THEN

I Sleep

IF THEN

I SleepSituation

Situation

Situation Rules

IF THEN

I Sleep

IF THEN

Situation

Situation

I Sleep

Collaboration

+

Reusing Situations Templates

Templates

IF THENSomeone is Sleeping

A Time A Bed A Room A State

Situation

Filling In a Template

IF THEN

Someone is Sleeping

A Time A Bed A Room A State20:00 Her Bed Her Bedroom ON

Multi-Layered Context Modelling

Facts Actions

Situations

Rules

Tool Rule

Templates

Functions

Filled in Template

Situations

End User

Expert User

Programmer

Creation of a Template

Adding IF Statements

To Fill In by End User

Situations on the IF side

New Situation on THEN side

Filling In a Template

Selecting the Bed

Entering the Hour

Labelling the New Situation

Reuse the Template

Making Context Rules

Adding an Action

Lessons Learned

• Level of abstraction is too high

• Importance of intelligibility

Takeaway Message

Reusing Situations

Templates

End User

Expert User

Programmer

Open Questions

• Level of abstraction and intelligibility

• Managing situations

• Guiding end users

References

• S. Trullemans and B. Signer, A Multi-layered Context Modelling Approach for End Users, Expert Users and Programmers, Proceedings of the International Workshop on Smart Ecosystems cReation by Visual dEsign (SERVE 2016), Bari, Italy, June 2016

– http://beatsigner.com/publications/trullemans_SERVE2016.pdf