Difference between revisions of "TF-Graphs"

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(Task Force "Graphs")
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== Material ==
 
== Material ==
  
* [http://www.w3.org/2001/sw/wiki/index.php?title=RDF_Core_Work_Items#Graph_Identification Suggestions from Stanford Workshop]
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* [http://www.w3.org/2001/sw/wiki/index.php?title=RDF_Core_Work_Items#Graph_Identification Suggestions called "Graph Identification" from Stanford Workshop] are reproduced below:
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{{CharterItem
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|pro=
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* widely used by the community
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* part of SPARQL already
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* numerous use cases
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* clarify confusion in implementation
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|con=
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* adds complication and may not solve the issue nevertheless
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* complicates the RDF model (potentially)
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* risks with backward compatibility should be assessed (e.g., syntax)
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* does it need standardization?
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|proposals=
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* Named graphs, provenance and trust , Jeremy Carroll, Christian Bizer, Patrick Hayes, Patrick Stickler, WWW 2005, http://www.w3.org/2009/12/rdf-ws/p613.pdf,
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http://www4.wiwiss.fu-berlin.de/bizer/SWTSGuide/carroll-ISWC2004.pdf
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* Quadstores in general
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* ODM RDF Metamodel (see http://www.omg.org/spec/ODM/1.0/, section 10.5, derived from Carroll et al.)
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* Michel Chein and Marie-Laure Mugnier. Positive nested conceptual graphs. In Proceedings of ICCS '97, volume 1257 of LNAI, pages 95-109, Springer, 1997. (http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.30.3644) ; Nested Graphs: A Graph-based Knowledge Representation Model with FOL Semantics (1998) ( http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.37.5256 )
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* SPARQL Specifications ([http://www.w3.org/TR/rdf-sparql-query/#rdfDataset RDF Datasets]) and related to that, [http://www.w3.org/2001/sw/wiki/RDF/NextStepWorkshop/AxelWishlist Axel's proposal] to base the work on RDF Datasets (see IRC)
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* Notation 3, Tim Berners-Lee, 1998 http://www.w3.org/DesignIssues/Notation3
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* ideas from the Topic Maps work (see also SWBPD WG note, http://www.w3.org/TR/rdftm-survey/)
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* “Triplesets: Tagging and Grouping in RDF Datasets”, http://www.w3.org/2009/12/rdf-ws/papers/ws24, Atanas Kiryakov, Vassil Momtchev
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* hypergraphs (as a general mathematical domain)
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|techIssues=
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* mutual roles of quads vs. singleton named graphs vs. named graphs
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* extension the RDF(S) semantics?
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* new RDF(S) terms? rdf:Graph, rdf:subGraphOf, rdf:equivalentGraph, etc.
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* syntax (TRIG, [http://www.w3.org/Submission/rdfsource/ INRIA Member submission], [http://www.springerlink.com/content/wh8x37j46n941427/ Web, Graphs and Semantics] , n3)
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* graph inclusion, can named graphs share triples
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* whether blank nodes can be shared among multiple graphs
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* whether blank nodes can be used as graph names
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* named graphs do not fully replace reification
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* how would follow your nose apply to named graphs?
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* relationships to SPARQL
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* effects on the SW stack
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|willingToEdit=
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Axel Polleres, Thomas Lörtsch, Fabien Gandon, Elisa Kendall, Jeremy Carroll
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}}

Revision as of 09:44, 18 February 2011

Task Force "Graphs"

Material

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