A component based architecture for the Web of Things

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Workshop Slides
■ All slides will be
Available After the
Worksohp on
■ http://webofthings.org/
events/wot/
10/27/15

A COMPONENT BASED
APPROACH FOR THE WEB OF
THINGS
10/27/15

What’s missing
■ Data integration: treat algorithms and other restful
services as first class citizens.
■ Event architectu...

Data Integration
■ Classic WoT
– Smart devices
– Sensors, Actuators
■ Classic Web
– Google
– Facebook
– Yahoo Weather API
...

Events
■ Today: use of IoTaaS platforms like Xively.
■ Problem: smart-devices are no longer WoT compliant.
Instead the IoT...

Building Blocks
■ (Software) Components as
bricks of the xWoT.
■ Components are key to re-
usability.
■ Components need to...

Vision
■ Instead of finding better approaches on how to combine smart
devices we have to re-think how to build smart devic...

Full xWoT Model
Virtual Entity
Resource
Actuator
Resource
Sensor
Resource
Service
Resource
1..*
Publisher
Resource
Context...

SMART DOOR
Example Use-Case
10/27/15

Smart Door Example (UC)
10/27/15

Smart Door Example (M)
10/27/15

Smart Door Example (M)
10/27/15

Smart Door Example (M)
10/27/15

Smart Door Example (M)
10/27/15

Smart Door Example (M)
10/27/15

COMPILER
A Model Compiler for the xWoT
10/27/15

Model Enhancer
■ Since there is a one-to-one mapping from the physical entity to
the virtual entity, for each physical mod...

Smart Door Example (rev)
10/27/15

Smart Door Example (rev)
10/27/15

Model Compiler
■ Once the model finished, it can be compiled into code skeletons.
■ The compiler takes care of:
– Resource...

Smart Door Example (rev)
10/27/15

Reusability
■ The compiler takes care of:
– The reusability of the generated components.
– To create a new restful service...

Smart Room Example (Revisited)
10/27/15

Smart Room Example (Revisited)
10/27/15

Future Work
■ Bring the different projects together
– S2mashup
– Semantics
– Discovery
– Meta-model
■ Propose a fully inte...

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