Personal IoT Repository based on sparql2sql, sparql2stream and sparql2fed technologies. The name PIOTRe is also derived from the name Peter meaning "stone" or "rock" and is the foundation for applications built on interoperable and efficient database technology on lightweight IoT devices. Presentation at ISWC2016 in Kobe, Japan.

1. PIOTRe means “rock” - the foundation (for lightweight computers) on which real-time IoT applications can be built.
Interoperable, efficient, valuing data ownership and locality.
Apps
RSP
Metadata
SPARQL
Endpoint
Siow, E., Tiropanis, T. and Hall, W. (2016) PIOTRe: Personal Internet of Things Repository: The 15th International Semantic Web Conference P&D
github.com/eugenesiow/piotre
OBDA

2. Built for Lightweight Computers Like RPis
Sensors
Devices
RSP SPARQL
Mappings
Stream
Engine
Historical
Store
Results
Queries
Results

3. Inverse-Publish-Subscribe + Push/Pull
subscribe(uri1)
subscribe([uri2,uri3])
publish(query1,
[uri1,uri3]) query1
query1
push(results1)
push(results2)
register(query1)
register(query1)