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A short talk on the topic of "MarkLogic and the Linked Data Connection", about using MarkLogic with triple stores and running SPARQL queries via the SPARQL HTTP Graph Data Protocol and the SPARQL Protocol.The text for this presentation is in the GitHub project mentioned on slide 16.
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Slide 1 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 1 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
MarkLogic and the Linked Data Connection
Philip Fennell, Consultant22nd May 2012
Slide 2 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 2 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Big Data is big news
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Volume, Velocity and Variety are growing…
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...but the Value is in the Connections
Slide 5 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 5 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Big Data’s Valueis underpinned by Linked Data
Slide 6 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 6 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Linked Data is built uponSemantic Web Technologies
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RDF and SPARQL
Slide 8 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 8 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
A lack of standard protocols...
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...led to implementation specific APIs
Slide 10 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 10 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
and additional complexity
Slide 11 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 11 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
New protocols from the W3C
SPARQL 1.1 Graph Store HTTP Protocol
SPARQL 1.1 Protocol
Slide 12 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 12 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
SPARQL 1.1 Graph Store HTTP Protocol
Graph Dataset Management over HTTP
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SPARQL 1.1 Protocol
SPARQL Queries over HTTP
Slide 14 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 14 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Support is Growing for these protocols
Slide 15 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 15 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
GRASP GRaph store And SPARQL Protocol
Slide 16 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 16 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
A GitHub project
https://github.com/philipfennell/grasp
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XQuery client libraries
lib-gsp.xqy - Graph Store HTTP Protocol
lib-spq.xqy - SPARQL Protocol
Slide 18 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 18 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
A wide range of functionsgsp:add-default-graph, gsp:add-named-graph,
gsp:retrieve-default-graph-metainfo, gsp:retrieve-named-graph-metainfo,
gsp:retrieve-default-graph, gsp:retrieve-named-graph, gsp:merge-default-graph, gsp:merge-named-graph,
gsp:delete-default-graph, gsp:delete-named-graph, gsp:data,
spq:query, spq:data
Slide 19 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 19 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
But why so many functions?
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I don’t like too many arguments!
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I don’t like optional arguments!xdmp:document-insert(
'/books/collection/A123.xml',<book> <title>Linked Data</title></book>,(), (), (),5780546120451828821
)
Slide 22 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 22 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
A RESTful interface for Graph Stores
Slide 23 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 23 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Linked Open Data has expandedto this in just five years
Slide 24 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 24 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
The defining factor in the Realization of Big Data's Potential
Slide 25 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 25 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Time for a Demonstration
Slide 26 Copyright © 2010 MarkLogic® Corporation. All rights reserved.Slide 26 Copyright © 2010 MarkLogic® Corporation. All rights reserved.
Thank You
