W3C home > Mailing lists > Public > semantic-web@w3.org > June 2017

Re: [ANN] Linked Data Templates: First draft and Call for participation

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Fri, 30 Jun 2017 12:17:18 -0400
To: "Gray, Alasdair J G" <A.J.G.Gray@hw.ac.uk>
Cc: public-lod <public-lod@w3.org>, Semantic Web <semantic-web@w3.org>, Hydra <public-hydra@w3.org>, "public-rww@w3.org" <public-rww@w3.org>
Message-ID: <138f8b81-ebe3-fd92-b381-98fb410f2e24@openlinksw.com>
On 6/29/17 7:03 AM, Gray, Alasdair J G wrote:
> Hi Martynas
> The Linked Data Templates look like a really interesting way of
> getting a read/write data web. However, I’m unclear whether you
> support data returned in non-RDF serialisations, e.g. CSV, or JSON.
> In the Open PHACTS Discovery Platform [1] we used the Linked Data API
> to provide an abstraction for our web (HTML/CSS/JSON) app developers
> so that they did not need to be proficient in Semantic Web
> technologies (RDF, OWL). This greatly improved the efficiency of the
> development of our project as it meant our app developers could focus
> on what they were good at and the semantic web technology was
> exploited but hidden [2].
> I have more recently be using the Linked Data API approach in
> different projects where we are starting to see a need for being able
> to write data, not just read it.
> It would be a huge limitation of the Linked Data Templates if they did
> not support serialising to CSV, JSON, etc.
> Best regards,
> Alasdair
> [1] https://dev.openphacts.org/
> [2] http://content.iospress.com/articles/semantic-web/sw088

Hi Alasdair,

Have you considered using OpenAPI (nee Swagger) to document your APIs?
Doing that would provide another point of intersection between "Web
Developers" and "Semantic Web Developers" .

-- Swagger, the API Economy, REST, Linked Data, and a Semantic Web

>> On 29 Jun 2017, at 10:47, Martynas Jusevičius <martynas@atomgraph.com
>> <mailto:martynas@atomgraph.com>> wrote:
>> Fellow Linked Data and Semantic Web developers,
>> apologies for cross-posting.
>> I am pleased to present the first public draft of Linked Data
>> Templates specification:
>> https://atomgraph.github.io/Linked-Data-Templates/
>> The purpose of Linked Data Templates (LDT) is to provide means to
>> define read-write Linked Data APIs declaratively using SPARQL and
>> specify a uniform interaction protocol for them. We see it and use it
>> as a declarative and better-defined alternative to Linked Data
>> Platform [1].
>> LDT is a formalization of the Linked Data processing model found in
>> our AtomGraph Processor [2]. It has evolved from, and has been tested
>> in, real-world Linked Data applications [3]. A summary of the
>> approach can be found in the XML London 2016 paper [4].
>> For an example of LDT ontology, see [5].
>> We feel that LDT could become a cornerstone technology of a
>> distributed Semantic Web. That said, we would like to receive some
>> feedback as an indication if this is something that the community
>> finds interesting and is willing to work on.
>> If you find this approach interesting, please join the Declarative
>> Apps Community Group: https://www.w3.org/community/declarative-apps/
>> The goals of the CG are to be stated in a charter. We have proposed
>> the following:
>>   The Declarative Apps CG shall develop a specification for 1)
>> declarative application descriptions that map Linked Data
>> interactions to SPARQL commands and can be expressed as RDF
>> ontologies 2) a uniform read-write Linked Data protocol for such
>> ontology-driven applications.
>>   The protocol should allow for (but not be limited to)
>> implementation of a distributed web architecture, support HATEOAS [6]
>> and foster reuse of Linked Data API descriptions and development of
>> generic software. The evaluation of interactions shall be unambiguous
>> and defined using precise semantics.
>>   The specification(s) must be compatible with RDF, SPARQL, RDFS,
>> OWL, WebID [7], SPIN [8] specifications; they should be orthogonal to
>> any concrete RDF syntax and/or concrete transport protocol (HTTP,
>> IPFS [9] etc). However, the specification shall provide bindings for
>> the HTTP protocol.
>> Looking forward to your feedback and participation.
>> Best regards,
>> Martynas
>> http://atomgraph.com <http://atomgraph.com/>
>> https://twitter.com/atomgraphhq
>> [1] https://www.w3.org/TR/ldp/
>> [2] https://github.com/AtomGraph/Processor
>> [3] https://www.w3.org/2011/09/LinkedData/ledp2011_submission_1.pdf
>> [4]
>> https://github.com/AtomGraph/Linked-Data-Templates/blob/master/XML%20London%202016%20paper/Linked%20Data%20Templates.pdf
>> [5]
>> https://github.com/AtomGraph/Processor/blob/master/src/main/resources/com/atomgraph/processor/dht.ttl
>> [6] https://en.wikipedia.org/wiki/HATEOAS
>> [7] https://www.w3.org/2005/Incubator/webid/spec/
>> <https://www.w3.org/2005/Incubator/webid/spec/>
>> [8] http://spinrdf.org <http://spinrdf.org/>
>> [9] https://ipfs.io <https://ipfs.io/>
> Alasdair J G Gray
> Fellow of the Higher Education Academy
> Assistant Professor in Computer Science, 
> School of Mathematical and Computer Sciences 
> (Athena SWAN Bronze Award)
> Heriot-Watt University, Edinburgh UK.
> Email: A.J.G.Gray@hw.ac.uk <mailto:A.J.G.Gray@hw.ac.uk>
> Web: http://www.macs.hw.ac.uk/~ajg33 <http://www.macs.hw.ac.uk/%7Eajg33>
> ORCID: http://orcid.org/0000-0002-5711-4872
> Office: Earl Mountbatten Building 1.39
> Twitter: @gray_alasdair
> Untitled Document
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Received on Friday, 30 June 2017 16:17:50 UTC

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