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48th ACM Southeast Conference. ACMSE 2010.  Oxford, Mississippi.  April 15-17, 2010. Linked Sensor Data HarshalPatni, Cory Henson, Amit P. Sheth Ohio Center of Excellence in Knowledge enabled Computing (Kno.e.sis)  Wright State University, Dayton, OH
OUTLINE ,[object Object]
 What is Linked Sensor Data
 Sensor Datasets Generated
 Data Generation Workflow
 Future Work
 Conclusion3
Sensor Discovery Application  Weather Station ID Current Observations from MesoWest Weather Station Coordinates Weather Station Phenomena MesoWest – Project under Department of Meteorology, University of UTAH GeoNames – Geographic dataset 4
What is Linked Sensor Data Weather Sensors Sensor Dataset GPS Sensors Satellite Sensors Camera Sensors 5
What is Linked Sensor Data Recommended best practice for exposing, sharing, and connecting pieces of data, information, and knowledge on the Web using URIs and RDF GeoNames Dataset RDF – language for representing data on the Web locatedNear Sensor Dataset Publicly Accessible 6
zn Sensor Datasets LinkedSensorDataset ,[object Object]
 Average 5 sensors/weather station
 Spatial attributes of the weather station
 Links to locations in GeonamesLinkedObservationDataset ,[object Object]
 Observations generated by sensors described in LinkedSensorDataset7
Data Generation Workflow O&M2RDFCONVERTER 8
Workflow – Phase 1 9

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Linked Sensor Data

  • 1.
  • 2. 48th ACM Southeast Conference. ACMSE 2010. Oxford, Mississippi. April 15-17, 2010. Linked Sensor Data HarshalPatni, Cory Henson, Amit P. Sheth Ohio Center of Excellence in Knowledge enabled Computing (Kno.e.sis) Wright State University, Dayton, OH
  • 3.
  • 4. What is Linked Sensor Data
  • 9. Sensor Discovery Application Weather Station ID Current Observations from MesoWest Weather Station Coordinates Weather Station Phenomena MesoWest – Project under Department of Meteorology, University of UTAH GeoNames – Geographic dataset 4
  • 10. What is Linked Sensor Data Weather Sensors Sensor Dataset GPS Sensors Satellite Sensors Camera Sensors 5
  • 11. What is Linked Sensor Data Recommended best practice for exposing, sharing, and connecting pieces of data, information, and knowledge on the Web using URIs and RDF GeoNames Dataset RDF – language for representing data on the Web locatedNear Sensor Dataset Publicly Accessible 6
  • 12.
  • 13. Average 5 sensors/weather station
  • 14. Spatial attributes of the weather station
  • 15.
  • 16. Observations generated by sensors described in LinkedSensorDataset7
  • 17. Data Generation Workflow O&M2RDFCONVERTER 8
  • 20. Workflow – Phase 3 Sensor Ontology Ontology – formal representation of knowledge by a set of concepts and relationship between those concepts
  • 21. Workflow – Phase 3 Figure 1: System Components and Architecture
  • 22. Workflow – Phase 4 Open Source RDF store by OpenLink Software for storing RDF data
  • 23. Future Work Linking the LinkedObservationDataset to DBpedia (RDF extraction of Wikipedia) Linked Sensor Dataset Spatial Linked Observation Dataset Temporal 14
  • 24. x CONCLUSION Publicly accessible Rich Weather Sensor datasets Datasets are easy to query Able to query Sensors based on location names Built O&M2RDFConverter to generate more publicly accessible sensor datasets 15
  • 25.
  • 27. TERMINOLOGY Semantic Web – is an extension of the current web in which datais expressed in a common vocabulary making such that the data becomes machine processable. Ontology– is a specification of concepts and relationships between them. Triple- a ternary relation containing an entity pair and a relationship that expresses the link between them i.e. subject-predicate-object Entity/Concept– an instance of a thing URI– a unique identifier for any resource/entity/thing on the web LOD- a semantic web initiative to provide a repository of semantically connected datasets 18

Notes de l'éditeur

  1. Get all sensors using well known location names – Problem to be solve
  2. RDF because of LOD
  3. Highlight the important points in MesoWest DataThe sensor data file just 3 linesMapping file - shorten
  4. HighlightMesoWest ObservationsHave smaller snippets for comparing MesoWest Data and O&M
  5. Add Pubby to show derefenced data
  6. Change this page look to make it more descriptive