Where is the sweet spot for ontologies?
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The document discusses data models and ontologies. It references a paper on the complex relationship between linked data, semantic annotations, and ontologies. It also discusses how semantic rules can improve search queries and knowledge graphs, but generating rules at scale remains a challenge.
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RDF triples, while of paramount importance in establishing RDF graph semantics, are a low-level abstraction, much like using assembly language. For practical and productive “graph programming” we need something different.
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RDF triples, while of paramount importance in establishing RDF graph semantics, are a low-level abstraction, much like using assembly language. For practical and productive “graph programming” we need something different.
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{ filter:["doc_type":"restaurant"], "query": { "boost": { "b": "recip(geodist(38.034780,-78.486790),1,1000,1000)", "query": "bbq OR barbeque OR barbecue" } } }
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This document summarizes a presentation on semantics and linked data for cyberinfrastructure for geospatial information systems (CyberGIS). It discusses the state of the art, frontiers, and roadmaps for publishing and retrieving, interacting and accessing, and reusing and integrating linked data within the CyberGIS domain. The presentation covers topics such as lowering the barrier to publish datasets, integrating linked data into tools like R and GIS, interactive workbenches for querying and linking data, and combining inductive and deductive methods to support collaborative ontology engineering.
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Where is the sweet spot for ontologies?
- 1. Have you ever wondered what.... ….Ghostface is SCREAMing about? Janowicz & Hitzler; Semantics for Big Data, AAAI 2013 Fall Symposium; Nov. 2013
- 2. Have you ever wondered what.... ….Ghostface is SCREAMing about?
- 3. (ANSI) Data Models * * There are many (slightly) different versions of this stack
- 5. (ANSI) Data Models Ontologies as domain independent layer on top of conceptual models
- 7. (ANSI) Data Models For details, see: Janowicz and Hitzler (2013): Thoughts on the complex relation between linked data, semantic annotations, and ontologies.
- 8. Do We Need Ontologies? Query to Google's Knowledge Graph in 2012 For details, see: Janowicz and Hitzler (2013): Thoughts on the complex relation between linked data, semantic annotations, and ontologies.
- 9. A Little Semantics Goes a Long Way... Query to Google's Knowledge Graph in 2013 Semantic Rule: stop counting years once a person dies (→ ontological commitment!) …Try expressing this in OWL ;-)
- 10. … But How much is 'A Little'? Fluidops maps the Moon's Copernicus crater to the Chad due to Dbpedia's false use of the W3C Basic Geo specs.* * See: http://stko.geog.ucsb.edu/location_linked_data for details.
- 11. How To Make Rule Generation Scale?