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Data models, Query Languages, Implemented Systems and Applications of Linked Geospatial Data

Extended Semantic Web Conference 2012. Data models, Query Languages, Implemented Systems and Applications of Linked Geospatial Data. Manolis Koubarakis , Kostis Kyzirakos and Manos Karpathiotakis. Dept. of Informatics and Telecommunications

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Data models, Query Languages, Implemented Systems and Applications of Linked Geospatial Data

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  1. Extended Semantic Web Conference 2012 Data models, Query Languages, Implemented Systems and Applications of Linked Geospatial Data ManolisKoubarakis, KostisKyzirakos and Manos Karpathiotakis Dept. of Informatics and Telecommunications National and Kapodistrian University of Athens

  2. Tutorial Organization • 14:00 – 14:15 Introduction • 14:15 – 15:00 Background in geospatial data modeling • 15:00 – 15:30 Geospatial data in the Semantic Web – stSPARQL • 15:30 – 16:00 Coffee break • 16:00- 16:30 Geospatial data in the Semantic Web – GeoSPARQL • 16:30 – 17:00 Implemented systems and applications • 17:00 – 17:15 Conclusions, questions, discussion • 17:15 – 17:30 Demo of Strabon 2

  3. Extended Semantic Web Conference 2012 Introduction Presenter: ManolisKoubarakis

  4. Outline • Why geospatial information? • Geographical Information Science and Systems • Why this tutorial? 4

  5. Why Geospatial Information? • Geospatial, and in general geographical, informationis very important in reality: everything that happens, happens somewhere (location). • Decision making can be substantially improved if we know where things take place. 5

  6. Geography • From http://en.wikipedia.org/wiki/Geography • Geography is the science that studies the lands, the features, the inhabitants and the phenomena of the Earth. • From the Greek word γεωγραφία (geographia) which means “describing the Earth”. 6

  7. Geographical Information Systems and Science • A geographical information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data. • GIS science is the field of study for developing and using GIS. 7

  8. Combining GIS Data for Decision Making 8

  9. Why this tutorial? • Lots of geospatial data is available on the Web today. • Lots of public data coming out of open government initiatives is geospatial. • Lots of this public data is quickly being transformed into linked data! • People have started building applications utilizing linked data. 9

  10. Geospatial data on the Web 10

  11. Open Government Data 11

  12. Linked geospatial data – Ordnance Survey 12

  13. Linked geospatial data – Research Funding Explorer 13

  14. Linked geospatial data – Spain 14

  15. Linked geospatial data – Open Street Map 15

  16. Conclusions • Introduction • Why geospatial information? • Geographical Information Science and Systems • Why this tutorial? • Next topic: Background in geospatial data modeling 16

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