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Publishing and Consuming Linked Sensor Data
Published on Dec 23, 20114207 Views
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Chapter list
Publishing and Consuming Linked Sensor Data00:00
Linked Sensor Data 10100:42
Motivation - 100:58
Sensors01:45
Background – Querying Relational Data Streams04:30
Sensor Networks06:47
An example: SmartCities07:31
Who are the end users of Sensor Networks?08:46
Not only environmental, but many others…10:58
The Sensor Web11:45
Make sensors more accessible? - 112:05
Make sensors more accessible? - 212:24
Make sensors more accessible? - 312:35
Make sensors more accessible? - 412:35
Should we care as computer scientists?13:04
Vision (after some iterations, and more to come)13:47
A bit of Semantics to the Web15:01
Data from the Web16:52
Semantic Sensor Web / Linked Sensor Data (LSD)18:01
What is Linked Data?18:15
The four principles (Tim Berners Lee, 2006)18:57
Linked Open Data19:59
RDF – Resource Description Framework - 121:01
RDF – Resource Description Framework - 221:15
RDF - Example21:15
RDF - SPARQL22:10
Vocabularies23:23
Motivation - 224:50
Motivation - 325:13
Semantic Sensor Web / Linked Sensor Data (LSD)26:05
Let’s check some examples26:24
AEMET Linked Data - 126:33
AEMET Linked Data - 226:58
JSI Sensors28:40
Coastal Channel Observatory and other sources29:52
Ingredients for Linked Sensor Data - 131:45
Sensor Metadata - 136:05
Sensor Metadata - 237:12
Sensor Data: Observations37:36
Sensor Network Ontologies38:28
SSN ontology modules39:20
Overview of the SSN ontologies39:27
SSN Ontology: Measurement Capabilities39:39
A model to bind them all39:51
SSN Ontology40:39
Example - 141:31
Example - 242:40
Example - 343:15
Usage: SSN & Domain Ontologies44:43
AEMET Ontology Network46:02
Examples: AWS, qu, Sweet - 146:33
Examples: AWS, qu, Sweet - 251:07
Ingredients for Linked Sensor Data - 252:05
Good practices in URI Definition - 152:16
Good practices in URI Definition - 252:27
Examples53:30
Ingredients for Linked Sensor Data - 353:39
Sensor High-level API - 153:45
Sensor High-level API - 254:40
Ingredients for Linked Sensor Data - 455:35
Swiss-Experiment - 156:00
Swiss-Experiment - 256:14
GSN & Swiss-Experiment - 156:15
GSN & Swiss-Experiment - 256:52
GSN & Swiss-Experiment - 356:55
Example57:01
Where is the Data? - 158:45
Where is the Data? - 201:00:49
Where is the Data? - 301:01:07
Creating Mappings01:01:44
R2RML01:02:15
Where is the Data? - 401:02:42
Where is the Data? - 501:02:50
Queries to Sensor Data01:02:58
Query translation01:03:40
Data Access01:03:53
Algebra expressions01:04:07
Using the Mappings01:04:13
Algebra construction01:04:16
Static optimization01:04:21
Querying the Observations01:04:22
Example01:05:18
Lessons Learned01:05:37
Conclusions01:07:09
Conclusions01:08:14