Semantic GeoSpatial Web - Use Cases Workshop

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Date: Thursday February 25, 2021

Start time: 5pm Berlin, 4pm Dublin and 11am New York and 8am San Francisco Times

Location: online zoom


As discussed at the ApacheCon 2020 Jena Track we would like to organize a GeoSpatial Semantic Web Use Cases session to further learn more about our users.

It's almost 14 years since we have introduced the first geospatial features to Jena and we are now fortunate to offer an OGC compliant GeoSPARQL module along with the Apache Jena release cycle.

If you have a use case or just an application that makes use of spatial features in Jena please consider to make a contribution to this event by presenting your use case. Please get in touch! These examples should not be limited to the use of the latest release of the Jena spatial module or Jena for that matter but any use of spatial data (e.g doesn't have to use geometries) is welcome.

Invited Speaker

Consolidation and extension of the semantic web with spatial-temporal data models and open APIs

George Percivall, Geospatial Information Engineer and Apache Software Foundation

This workshop is a timely opportunity to build on the call for consolidation of previous developments of ontologies, linked data, and knowledge graphs. Apache projects, such as Apache Jena, serve as a basis for consolidation and advancement of the semantic geospatial web. Previous experiments demonstrated building blocks toward a system of real-world feature identifiers and the use of APIs for resource access. More work is needed to establish best practices related to negotiation between varied representations of a feature, observations related to a feature, and for expressing and mediating between varied content from a given resource. Further developments of the GeoSPARQL standard for space and time as well as with non-geographic spatial data have been identified. Standards in Discrete Global Grid Systems along with implementations of DGGS provide new methods for linked open spatial data. Use cases for the future semantic geospatial web will consolidate use of spatial concepts, extend to discrete space, and enhance linked data and property graphs for spatial data in time.

Topics of Interest

  • Linked GeoSpatial Data on the Web
  • GeoSPARQL Applications
  • Reasoning and Spatial Data
  • Spatial Data Formats
  • Spatial Data Tools
  • Spatial Indexing
  • Data Visualization
  • Mapping Linked Data on the Web
  • Mapping the Web
  • Event Gazetteers and Timelines
  • Genealogy Databases
  • Spatial Data Services
  • Working with Raster Data
  • Spatially Navigating the Semantic Web
  • User Adapted Presentations
  • Cultural Heritage Information
  • Placenames and Names Databases
  • GIS on the Web
  • Semantic GeoSpatial Web Vision



Short presentation proposal submission deadline: Monday 22, February 2021
The short presentation proposal in the from of one page contains title, author name(s), affiliation(s) and a short description with possible link to supporting media in the from of web links.

Please send proposals to: sgsw @ lotico . com (no spaces)

Accepted Short Presentations

Chair: Marco Neumann - KONA LLC 

Assessing the state of GeoSPARQL support of Fuseki using the GeoSPARQL compliance benchmark
Milos Jovanovik - Ss. Cyril and Methodius University in Skopje, N. Macedonia & OpenLink Software, London, UK
GeoSPARQLBenchmark github Paper

Norwegian place-names
Peder Gammeltoft and Øyvind Gjesdal - University of Bergen
https://toponymi.spraksamlingane.no/

Biodiversity RDF data and GeoJSON-LD
Jean-Marc Vanel

Experiences with implementing GeoSPARQL in the Virtual Knowledge Graph system Ontop
Guohui Xiao - Free University of Bozen-Bolzano, Italy & Ontopic s.r.l., Italy
Ontop|Ontop is a state-of-the-art Virtual Knowledge Graph system. Ontop can expose a database as an RDF knowledge graph via the W3C R2RML mapping language and supports reasoning via the W3C OWL 2 QL ontology language. The exposed knowledge graph is "virtual" in the sense that at the query time, Ontop translates the input SPARQL query (over the knowledge graph) into a SQL query (over the database). In this presentation, we discuss the experiences with the implementation of GeoSPARQL in the latest version of Ontop, and present a few use-cases for accessing geospatial data, in particular, the recent development of the LinkedGeoData.org project. LinkedGeoData




TBC

Communication

Mailing List: https://groups.google.com/g/geosparql/

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