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Technology for 
Pervasive Computing 
From Load Forecasting to Demand Response 
- A Web of Things Use Case 
The 5th International Workshop on the Web of Things (WoT 2014) 
Yong Ding, Martin A. Neumann, Till Riedel, Michael Beigl, TECO, KIT, Germany 
Ömer Kehri, CAS Software AG, Germany 
Geoff Ryder, SAP Palo Alto, USA 
KIT – University of the State of Baden-Wuerttemberg and 
National Research Center of the Helmholtz Association www.kit.edu
C2G: customer as active participant of a Smart Grid 
Goal: For more predictable and managed demand 
HUMANS THINGS 
WEB 
Load forecasting based on human activity and 
context analysis in a web-based manner. 
Technology for 
Pervasive Computing 
2 16.10.2014 
Yong Ding et al. @ WoT 2014 
AI
Technology for 
Pervasive Computing 
The Context: Load & Activity Duality 
3 16.10.2014 
Urban Area 
City Blocks 
Houses 
Flats 
Devices 
Yong Ding et al. @ WoT 2014 
Urban Area 
Social Group 
Person 
Energy 
Measurement 
Behavioural 
Recognition 
Ground Truth Model Input
We shouldn‘t we be able to generate other 
business models in the Web? 
Technology for 
Pervasive Computing 
Dynamic Pricing for Households 
Residents react to a price signal 
Money is very generic 
A lot of information 
That‘s no fun: Long-term interest? 
4 16.10.2014 
Yong Ding et al.
links the mobile games world with the energy system 
Technology for 
Pervasive Computing 
The “Bet and Energy” Idea 
5 16.10.2014 
Yong Ding et al. @ WoT 2014
Residents bet on energy consumption of 
devices and entire households 
Rich interaction: Use analytics, improve your 
skills 
Long-term interest! 
(given fair chance of winning) 
Residents can win discounts on their bill and 
other prizes 
Technology for 
Pervasive Computing 
Goal: Increase predictability of residential 
demand 
6 16.10.2014 
Yong Ding et al.
Technology for 
Pervasive Computing 
7 16.10.2014 Yong Ding et al.
Technology for 
Pervasive Computing 
WoT Forecasting Framework – I 
8 16.10.2014 
Yong Ding et al. @ WoT 2014
Technology for 
Pervasive Computing 
WoT Forecasting Framework – II 
Main features 
Data collection via REST API 
Domain specific modules 
9 16.10.2014 
Resource Oriented Namespaces 
based on Metadata (Id, Type,…) 
Push-notfiication based on simple 
push scheme (Long Poll, SSE) 
Modular persistence support for 
historical data (OpenTSDB, SQLite) 
activity recognition 
load forecasting 
Guarantee of modularity & flexibility 
Yong Ding et al. @ WoT 2014
Technology for 
Pervasive Computing 
Integration of Bet and Energy 
10 16.10.2014 
Yong Ding et al. @ WoT 2014
Smart Meters Bet Acceptance 
Utility uses databases to offer bets on regional 
marketplaces 
Technology for 
Pervasive Computing 
Bet and Energy Design 
Multilayered web architecture 
Smart Meter & Mobile App 
Meters report to regional databases 
Residents use mobile apps to 
Monitor consumption 
Close bets 
Redeem prizes 
11 16.10.2014 
Yong Ding et al. @ WoT 2014 
Bet Offering 
Utility 
Resident
Summary 
Activity recognition module 
Load forecasting module 
Modular and flexible design for real-time execution and 
evaluation 
Technology for 
Pervasive Computing 
WoT based forecasting infrastructure 
Use Case: Bet and Energy web app 
As a first proof-of-concept application 
12 16.10.2014 
Yong Ding et al. @ WoT 2014
Technology for 
Pervasive Computing 
Urban Area 
City Blocks 
Houses 
Flats 
Devices 
13 16.10.2014 Yong Ding et al. 
Urban Area 
Social Group 
Person 
Energy 
Measurement 
Behavioural 
Recognition 
Ground Truth Model Input
Technology for 
Pervasive Computing 
That’s All 
14 16.10.2014 
Thank You! 
Questions? 
Yong Ding et al. @ WoT 2014

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From Load Forecasting to Demand Response - A Web of Things Use Case

  • 1. Technology for Pervasive Computing From Load Forecasting to Demand Response - A Web of Things Use Case The 5th International Workshop on the Web of Things (WoT 2014) Yong Ding, Martin A. Neumann, Till Riedel, Michael Beigl, TECO, KIT, Germany Ömer Kehri, CAS Software AG, Germany Geoff Ryder, SAP Palo Alto, USA KIT – University of the State of Baden-Wuerttemberg and National Research Center of the Helmholtz Association www.kit.edu
  • 2. C2G: customer as active participant of a Smart Grid Goal: For more predictable and managed demand HUMANS THINGS WEB Load forecasting based on human activity and context analysis in a web-based manner. Technology for Pervasive Computing 2 16.10.2014 Yong Ding et al. @ WoT 2014 AI
  • 3. Technology for Pervasive Computing The Context: Load & Activity Duality 3 16.10.2014 Urban Area City Blocks Houses Flats Devices Yong Ding et al. @ WoT 2014 Urban Area Social Group Person Energy Measurement Behavioural Recognition Ground Truth Model Input
  • 4. We shouldn‘t we be able to generate other business models in the Web? Technology for Pervasive Computing Dynamic Pricing for Households Residents react to a price signal Money is very generic A lot of information That‘s no fun: Long-term interest? 4 16.10.2014 Yong Ding et al.
  • 5. links the mobile games world with the energy system Technology for Pervasive Computing The “Bet and Energy” Idea 5 16.10.2014 Yong Ding et al. @ WoT 2014
  • 6. Residents bet on energy consumption of devices and entire households Rich interaction: Use analytics, improve your skills Long-term interest! (given fair chance of winning) Residents can win discounts on their bill and other prizes Technology for Pervasive Computing Goal: Increase predictability of residential demand 6 16.10.2014 Yong Ding et al.
  • 7. Technology for Pervasive Computing 7 16.10.2014 Yong Ding et al.
  • 8. Technology for Pervasive Computing WoT Forecasting Framework – I 8 16.10.2014 Yong Ding et al. @ WoT 2014
  • 9. Technology for Pervasive Computing WoT Forecasting Framework – II Main features Data collection via REST API Domain specific modules 9 16.10.2014 Resource Oriented Namespaces based on Metadata (Id, Type,…) Push-notfiication based on simple push scheme (Long Poll, SSE) Modular persistence support for historical data (OpenTSDB, SQLite) activity recognition load forecasting Guarantee of modularity & flexibility Yong Ding et al. @ WoT 2014
  • 10. Technology for Pervasive Computing Integration of Bet and Energy 10 16.10.2014 Yong Ding et al. @ WoT 2014
  • 11. Smart Meters Bet Acceptance Utility uses databases to offer bets on regional marketplaces Technology for Pervasive Computing Bet and Energy Design Multilayered web architecture Smart Meter & Mobile App Meters report to regional databases Residents use mobile apps to Monitor consumption Close bets Redeem prizes 11 16.10.2014 Yong Ding et al. @ WoT 2014 Bet Offering Utility Resident
  • 12. Summary Activity recognition module Load forecasting module Modular and flexible design for real-time execution and evaluation Technology for Pervasive Computing WoT based forecasting infrastructure Use Case: Bet and Energy web app As a first proof-of-concept application 12 16.10.2014 Yong Ding et al. @ WoT 2014
  • 13. Technology for Pervasive Computing Urban Area City Blocks Houses Flats Devices 13 16.10.2014 Yong Ding et al. Urban Area Social Group Person Energy Measurement Behavioural Recognition Ground Truth Model Input
  • 14. Technology for Pervasive Computing That’s All 14 16.10.2014 Thank You! Questions? Yong Ding et al. @ WoT 2014

Editor's Notes

  1. Savings in generation, distribution, storage
  2. Multilayered web architecture consisting of: Relational database: SQL e.g. MySQL Back end: Java Database abstraction e.g. JPA2/EBean RESTful Web Services e.g. Jersey (JAX-RS) auf Grizzly Front end: HTML/JavaScript (Single-Page) e.g. AngularJS/Backbone.js, Bootstrap, jQuery, ...