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Towards Lightweight Cyber-Physical
Energy Systems using Linked Data, the
Web of Things, and Social Media
Edward Curry
Lawr...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
n  Cyber-Physical Energy Systems (CPES)
¨...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
The Many Faces of CPES
Smart	
  City	
  Sma...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
New Smart Building
4	
  
Cost	
  -­‐	
  €	
...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
A Real-World Example
5	
  
Time Monday Tues...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Legacy Building
n  DERI Building
¨  No BM...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Energy Management System
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Sensors
8 of 26
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Energy Management Software
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Holis&c	
  
Energy	
  
Management	
  
	
  	...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Business Context of Energy
Consumption
Reso...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Example KPI:
Energy used by
global IT depar...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
n  Help users to:
¨ Understand energy dat...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Key Challenges
n  Technology and Data Inte...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Universal Mechanism to Link Everything…
¨ ...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
n  Motivation: Access multiple document sy...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
The Evolving Web 2.0, 3.0, …
Linked	
  Data...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
(Real-time) Social Media
n  User-centric p...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Linked Open Data Cloud
Over 300 open data s...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
20 of 46
Two Key Ingredients
1.  RDF – Reso...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Why Graphs and Ontologies?
Cities:Dublin
84...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Linked Data Principles
1.  Use URIs to iden...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Linked Data Example
Resource Description Fr...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Web of Things
Image Credit: http://laurent....
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Constraint Application Protocol
252525
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Could we deliver a lightweight Cyber-Physic...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
27	
  	
  
Building
Data Center
Office IT
L...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Linked dataspace for Energy
Intelligence
Ap...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Corporate System
Building Management System...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Enterprise Energy
Observatory
Smart Buildin...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Building Energy Explorer
31 of 26
1.  Data ...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Energy Analysis by Group
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
iEnergy – Personal
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Step 1: Detect patterns of high or unusual ...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Energy Action Management with
Social Media
...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
n  Emerging Web trends (linked data, web o...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Edward is a research scientist at the Digit...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Selected References
Sustainability Use Case...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Selected References
Information Management
...
Digital Enterprise Research Institute www.deri.ie
Enabling networked knowledge
Credits
Partners
n  Collaborators
¨  Soul...
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Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 1 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 2 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 3 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 4 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 5 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 6 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 7 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 8 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 9 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 10 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 11 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 12 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 13 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 14 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 15 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 16 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 17 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 18 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 19 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 20 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 21 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 22 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 23 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 24 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 25 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 26 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 27 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 28 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 29 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 30 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 31 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 32 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 33 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 34 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 35 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 36 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 37 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 38 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 39 Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Slide 40
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Cyber-Physical Energy Systems (CPES) exploit the potential of information technology to boost energy efficiency while minimising environmental impacts. CPES can help manage energy more efficiently by providing a functional view of the entire energy system so that energy activities can be understood, changed, and reinvented to better support sustainable practices. CPES can be applied at different scales from Smart Grids and Smart Cities to Smart Enterprises and Smart Buildings. Significant technical challenges exist in terms of information management, leveraging real-time sensor data, coordination of the various stakeholders to optimize energy usage.

In this talk I describe an approach to overcome these challenges by re-using the Web standards to quickly connect the required systems within a CPES. The resulting lightweight architecture leverages Web technologies including Linked Data, the Web of Things, and Social Media. The paper describes the fundamentals of the approach and demonstrates it within an Enterprise Energy Management scenario smart building.

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Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media

  1. 1. Towards Lightweight Cyber-Physical Energy Systems using Linked Data, the Web of Things, and Social Media Edward Curry Lawrence Berkeley National Laboratory, UC Berkeley, April, 2013
  2. 2. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge n  Cyber-Physical Energy Systems (CPES) ¨ Smart Buildings (experiences with new & legacy) ¨ Demand-Side Challenges n  The Evolving Web 1.0, 2.0, 3.0… ¨ Social Media ¨ Linked Data ¨ The Web of Things n  Lightweight CPES at DERI ¨ Architecture Approach ¨ Energy Management Applications Overview
  3. 3. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge The Many Faces of CPES Smart  City  Smart  Grid   Smart  Building   Smart  Enterprise  
  4. 4. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge New Smart Building 4   Cost  -­‐  €  40,000,000      
  5. 5. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge A Real-World Example 5   Time Monday Tuesday Wednesday Thursday Friday 08:00-­‐09:00 09:00-­‐10:00 237 237 200 237 10:00-­‐11:00 237 237 237 200 11:00-­‐12:00 237 180 180 145 237 12:00-­‐13:00 237 200 237 200 149 13:00-­‐14:00 145 14:00-­‐15:00 221 237 145 140 15:00-­‐16:00 221 120 160 140 16:00-­‐17:00 149 250 160 17:00-­‐18:00 200 160 CO2  levels   ASHRAE     62.1-­‐2010   Occupancy  PaGern   AirCon  8:30-­‐11:00  &  15:00-­‐16:00  Mon  to  Fri      Cost  -­‐  €  40,000,000      
  6. 6. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Legacy Building n  DERI Building ¨  No BMS or BEMS ¨  160 person Office space ¨  Café ¨  Data centre ¨  3 Kitchens ¨  80 person Conference room ¨  4 Meeting rooms ¨  Computing museum ¨  Sensor Lab 6
  7. 7. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Energy Management System
  8. 8. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Sensors 8 of 26
  9. 9. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Energy Management Software
  10. 10. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Holis&c   Energy   Management           FaciliNes   Business  Travel  Data  Centre   Daily  Commute  Office  IT   Holistic Energy Consumption
  11. 11. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Business Context of Energy Consumption Resource Allocation Energy Finance Asset Mgmt Human Resources
  12. 12. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Example KPI: Energy used by global IT department CIO Example KPI: PUE of the Data Center in Dublin Helpdesk Example KPI: kWhs used by server 172.16.0.8 Maintenance Personnel Building Data Center CEO CSO Operational Analysis •  Technician needs equipment power usage •  Low-level monitoring Sensors, events Strategic Analysis •  CIO needs high-level business function power usage •  CSO real-time carbon emissions Tactical Analysis •  Manager needs energy usage of business processes, business line or group Multi-Level Energy Analysis 12 of XYZ
  13. 13. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge n  Help users to: ¨ Understand energy data ¨ Support energy performance objectives & other business performance objectives – human resources (i.e. occupancy comfort) – enterprise resource planning (i.e. room utilization) ¨ Make appropriate energy saving decisions Energy Situational Awareness
  14. 14. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Key Challenges n  Technology and Data Interoperability ¨  Data scattered among different systems ¨  Multiple incompatible technologies make it difficult to use n  Interpreting Dynamic and Static Data ¨  Sensors, ERP, BMS, assets databases, … ¨  Need to proactively identify efficiency opportunities n  Empowering Actions and Including Users in the Loop ¨  Understanding of direct and indirect impacts of activities ¨  Embedding impacts within business processes ¨  Engaging Users 14
  15. 15. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Universal Mechanism to Link Everything… ¨ Simple ¨ Lightweight ¨ Decentralized ¨ Loosely Coupled ¨ Scalable ¨ Standardized ….sounds a lots like the Web What is Needed?
  16. 16. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge n  Motivation: Access multiple document systems at CERN n  Key Enablers ¨  Leveraged existing protocols (TCP/IP/DNS/…) ¨  URI: Global Document Identification ¨  HTTP: Global Document Access ¨  HTML: Standard Format for Documents –  But also supported many formats PDF, DOC, GIF, JPG, etc. ¨  Encouraged Interlinking: Hyperlinks between documents Exposing and Linking….. …..but NOT replacing existing systems Web 1.0 Document Sharing
  17. 17. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge The Evolving Web 2.0, 3.0, … Linked  Data   Web  of  Things  Social  Media  
  18. 18. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge (Real-time) Social Media n  User-centric platforms for interaction n  Real-time User Interaction ¨  Twitter, etc. n  Citizen Sensing ¨  Users reporting issues and problems n  Citizen Actuation ¨  Users enacting changes in the environment
  19. 19. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Linked Open Data Cloud Over 300 open data sets with more than 35 billion facts, interlinked by 500 million typed links. http://lod-cloud.net/ Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. Media Government Geo Publications User-generated Life sciences Cross-domain US government UK government BBC New York Times LinkedGeoData 19 BestBuy Overstock.com Facebook
  20. 20. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge 20 of 46 Two Key Ingredients 1.  RDF – Resource Description Framework Graph based Data – nodes and arcs ¨  Identifies objects (URIs) ¨  Interlink information (Relationships) 2.  Vocabularies (Ontologies) ¨  provide shared understanding of a domain ¨  organise knowledge in a machine-comprehensible way ¨  give an exploitable meaning to the data
  21. 21. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Why Graphs and Ontologies? Cities:Dublin 84421km2 Geo:IslandOfIreland EU:RepublicOfIreland Geo:locatedOn Geo:area Geo:hasCapital Geo:hasLargestCity Wikipedia.org Gov.ie EU:RepublicOfIreland Person:EndaKenny Gov:hasTaoiseach Gov:hasDepartment IE:DepartmentOfFinance
  22. 22. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Linked Data Principles 1.  Use URIs to identify the “things” in your data 2.  Use HTTP URIs so people (and machines) can look them up on the Web 3.  When a URI is looked up, return a description of the thing in a structured format (RDF) 4.  Include links to related things to provide context http://www.w3.org/DesignIssues/LinkedData.html
  23. 23. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Linked Data Example Resource Description Framework (RDF) subject - predicate – object Edward Curry is the Occupant of Room 202e Edward Curry is the Occupant of Room 202e 23 http://www.deri.ie/about/team/member/edward_curry/ http://lab.linkeddata.deri.ie/2010/deri-rooms#r202e http://vocab.deri.ie/rooms#occupant
  24. 24. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Web of Things Image Credit: http://laurent.assouad.com/2012/www2012-the-web-of-things/
  25. 25. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Constraint Application Protocol 252525
  26. 26. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Could we deliver a lightweight Cyber-Physical Energy System for the DERI Building using these technologies? DERI Use Case
  27. 27. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge 27     Building Data Center Office IT Logistics Corporate Organisation-level Business Process Personal-level Linked  dataspace  for   Energy  Intelligence   Linked dataspace for Energy Intelligence
  28. 28. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Linked dataspace for Energy Intelligence Applications Energy Analysis Model Complex Events Situation Awareness Apps Energy and Sustainability Dashboards Decision Support Systems LinkedData Support Services Entity Management Service Data Catalog Complex Event Processing Engine Provenance Search & Query Sources Adapter Adapter Adapter Adapter Adapter n  Interlinked Cloud of Energy Data n  Resource Description Framework (RDF) n  Semantic Sensor Network Ontology (SSN) n  CoAP = Constrained Application Protocol n  Semantic Event Processing n  Natural Language Interface n  Collaborative Data Mgmt. n  Energy Saving Applications n  Energy Awareness
  29. 29. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Corporate System Building Management SystemOffice IT System Merging Entity Graphs foaf:name   en:memberOf   “Edward Curry” “DGSIT” h:p://www.deri.ie/about/team/ member/edward_curry#me   Office IT Building Corporate en:has_a   en:consumption  foaf:name   10kWh“MacBook Pro” h:p://energy.deri.ie#macbook15698   h:p://www.deri.ie/about/team/ member/edward_curry#me   en:consumption  foaf:name   rm:occupant   50kWh“202e” h:p://lab.linkeddata.deri.ie/ 2010/deri-­‐rooms#r202e   h:p://www.deri.ie/about/team/ member/edward_curry#me   owl:sameAs owl:sameAs
  30. 30. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Enterprise Energy Observatory Smart Buildings Green Cloud Computing Office IT Energy Mgmt. Personal Energy Mgmt. Energy Saving Applications
  31. 31. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Building Energy Explorer 31 of 26 1.  Data from Enterprise Linked Data Cloud 2.  Sensor Data 3.  Building Energy Situation Awareness
  32. 32. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Energy Analysis by Group
  33. 33. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge iEnergy – Personal
  34. 34. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Step 1: Detect patterns of high or unusual energy usage ¨  Light turned on in rooms at night ¨  High energy use in meeting rooms without booking Step 2: Tweet building occupants to check situation and take action ¨  Turn off lights, heat, devices, etc. Energy Action Management with Social Media
  35. 35. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Energy Action Management with Social Media 23.86% Energy Savings
  36. 36. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge n  Emerging Web trends (linked data, web of things and social media) may provide the foundations for a lightweight approach to Cyber-Physical Energy System n  Research Challenges ¨  Investigating approach to complement existing CPES ¨  Applicability on critical infrastructure ¨  Human Task Management for Energy Action ¨  Privacy!!! ¨  … Summary & Future Directions
  37. 37. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Edward is a research scientist at the Digital Enterprise Research Institute. His areas of research include green IT/IS, energy informatics, linked data, integrated reporting, and cloud computing. He has worked extensively with industry and government advising on the adoption patterns, practicalities and benefits of new technologies. He has published in leading journals and books, and has spoken at international conferences including the MIT CIO Symposium. About the Presenter URL: www.edwardcurry.org Email: edcurry@acm.org Twitter: @EdwardACurry Slides: slideshare.net/edwardcurry
  38. 38. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Selected References Sustainability Use Cases n  Curry, E., et al . (2011). An Entity-Centric Approach To Green Information Systems. 19th European Conference on Information Systems (ECIS 2011). n  Curry, E., & Donnellan, B. (2012). Green and Sustainable Informatics. In, Harnessing Green IT: Principles and Practices. John Wiley & Sons n  Curry, E. et al. An Environmental Chargeback for Data Center and Cloud Computing Consumers, in First International Workshop on Energy-Efficient Data Centers, 2012. n  Curry, E. et al, Building Optimisation using Scenario Modeling and Linked Data, in 1st Workshop Linked Data in Architecture and Construction 2012 n  Curry E. et al, Enterprise Energy Management using a Linked dataspace for Energy Intelligence. In: The Second IFIP Conference on Sustainable Internet and ICT for Sustainability (SustainIT) 2012. n  O’Donnell, J., Corry, E., Hasan, S., Keane, M., and Curry, E. 2013. “Building Performance Optimization Using Cross-Domain Scenario Modeling, Linked Data, and Complex Event Processing,” Building and Environment (62), pp. 102–111.
  39. 39. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Selected References Information Management n  Hasan, S. et al. (2011). Toward Situation Awareness for the Semantic Sensor Web: Complex Event Processing with Dynamic Linked Data Enrichment. 4th International Workshop on Semantic Sensor Networks n  Hasan, S. et al, Approximate Semantic Matching of Heterogeneous Events, in 6th ACM International Conference on Distributed Event-Based Systems n  Curry E. (2012) System of Systems Information Interoperability using a Linked Dataspace In: IEEE 7th International Conference on System of Systems Engineering (SOSE 2012). IT Management n  Curry, E. et al. Developing an Sustainable IT Capability: Lessons From Intel’s Journey, MIS Quarterly Executive, vol. 11, no. 2, pp. 61-74, 2012. n  Donnellan B. et al, (2011) A Capability Maturity Framework for Sustainable Information and Communication Technology. IEEE IT Professional 13(1). n  Curry E, et al, (2012) Sustainable IT: Challenges, Postures, and Outcomes, IEEE Computer 15(11)
  40. 40. Digital Enterprise Research Institute www.deri.ie Enabling networked knowledge Credits Partners n  Collaborators ¨  Souleiman Hasan (DERI) ¨  Sean O’Riain (DERI) ¨  Umair ul Hassan (DERI) ¨  David Crowley (DERI) ¨  John Breslin (DERI) ¨  James O’Donnell (LBNL) ¨  Edward Corry (IRUSE) ¨  Marcus Keane (IRUSE)

Cyber-Physical Energy Systems (CPES) exploit the potential of information technology to boost energy efficiency while minimising environmental impacts. CPES can help manage energy more efficiently by providing a functional view of the entire energy system so that energy activities can be understood, changed, and reinvented to better support sustainable practices. CPES can be applied at different scales from Smart Grids and Smart Cities to Smart Enterprises and Smart Buildings. Significant technical challenges exist in terms of information management, leveraging real-time sensor data, coordination of the various stakeholders to optimize energy usage. In this talk I describe an approach to overcome these challenges by re-using the Web standards to quickly connect the required systems within a CPES. The resulting lightweight architecture leverages Web technologies including Linked Data, the Web of Things, and Social Media. The paper describes the fundamentals of the approach and demonstrates it within an Enterprise Energy Management scenario smart building.

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