Describing configurations of software experiments as Linked Data

Describing configurations
of software experiments
as Linked Data
Joachim Van Herwegen, Ruben Taelman, Sarven Capadisli, Ruben Verborgh
https://linkedsoftwaredependencies.org/articles/describing-experiments/

Why write research articles?
We want other researchers…
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…to re-use our data.
…to re-use our software.
…to build upon our results.
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…to re-use our data.
…to re-use our software.
…to build upon our results.
4

Paper evaluation (2014)
“We provide all source code of the implementations, as
well as the full benchmark configuration, at
http://example.com.”
5

6

“… is compared to Virtuoso (6.1.8 and 7.1.1) and Jena
Fuseki (TDB 1.0.1 and HDT 1.1.1).”
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https://github.com/LinkedDataFragments/.”
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Improved evaluation description
Exact and complete description of the setup
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… using Linked Data
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… using Linked Data
… for automatic instantiation.
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Describing configurations as Linked Data
Interlinking software modules
Instantiating software components
Updated evaluation
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Updated evaluation
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Which software modules were used?
Which evaluations made use of this module?
Which other modules depend on this module?
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Node Package Manager (npm)
Package manager for JavaScript
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http://www.modulecounts.com

Convert to
Linked Data
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http://www.modulecounts.com

Package.json
{
"name": "ldf-server",
"version": "2.2.2",
"license": "MIT",
"repository": {
"type": "git",
"url": "git@github.com:LinkedDataFragments/Server.js.git"
},
"bugs": {
"url": "https://github.com/LinkedDataFragments/Server.js/issues"
},
"dependencies": {
"asynciterator": "^1.1.0",
"jsonld": "^0.4.11",
"lodash": "^2.4.2"
}
}
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Package.json
{
"name": "ldf-server",
"version": "2.2.2",
"license": "MIT",
"repository": {
"type": "git",
"url": "git@github.com:LinkedDataFragments/Server.js.git"
},
"bugs": {
"url": "https://github.com/LinkedDataFragments/Server.js/issues"
},
"dependencies": {
"asynciterator": "^1.1.0",
"jsonld": "^0.4.11",
"lodash": "^2.4.2"
}
}
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Package.jsonld
Convert JSON to JSON-LD to generate Linked Data
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Package.jsonld
Convert JSON to JSON-LD to generate Linked Data
ldf-server:2.2.2 a doap:Version ;
doap:name "ldf-server" ;
doap:revision "2.2.2" ;
spdx:licenseDeclared spdx:MIT ;
doap:repository <git+ssh://git@github.com/…/Server.js.git> ;
npm:dependency asynciterator:^1.1.0 ;
npm:dependency jsonld:^0.4.11 ;
npm:dependency lodash:^2.4.2 .
<git+ssh://git@github.com/…/Server.js.git> a doap:GitRepository .
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Updated evaluation
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LDF Server
"datasources": {
"dbpedia": {
"title": "DBpedia 2014",
"type": "HdtDatasource"
"settings": { "file": "data/dbpedia2014.hdt" }
}
}
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LDF Server
"datasources": {
"dbpedia": {
"title": "DBpedia 2014",
"type": "HdtDatasource"
"settings": { "file": "data/dbpedia2014.hdt" }
}
}
JSON  JSON-LD
ex:myServer ldfs:datasource ex:MyHdtDataSource
ex:MyHdtDataSource a ldfs:DatasourceHdt;
rdfs:label "DBpedia 2014";
ldfs:hdtFile "data/dbpedia2014.hdt".
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Components.js
Instantiation framework that interprets this config
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Components.js
Instantiation framework that interprets this config
How?
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Component description
ldfs:DatasourceHdt a oo:Class ;
rdfs:subClassOf ldfs:Datasource ;
oo:componentPath "datasources.HdtDatasource" ;
oo:parameter ldfs:hdtFile ;
oo:constructorArguments ([
rdfs:subclassOf ldfs:DatasourceConstructor ;
om:field [ om:fieldName "file" ;
om:fieldValue ldfs:hdtFile ]
]) .
ldfs:hdtFile rdfs:range xsd:string .
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]) .
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class DatasourceHdt extends Datasource {
file: string;
constructor (input) {
super(input);
this.file = file;
}
}

]) .
External file  can be written for existing code
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class DatasourceHdt extends Datasource {
file: string;
constructor (input) {
super(input);
this.file = file;
}
}

Components.js
Allows users to fully set up the same system by
providing a URI to a config
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Updated evaluation
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Updated evaluation
Describe steps using RDFa in HTML paper.
Link to exact versions of all modules used.
Link to RDF config file.
Link to exact evaluation results.
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Updated evaluation
“5. Install the server software configuration,
implementing the TPF specification, with its
dependencies on the server.”
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Updated evaluation
ldf:experiment npm:engine node:v6.8.1, npmv:4.2.0;
doap:name "ldf-server";
doap:revision "2.2.1";
doc:dependsOn strftime:0.6.2;
doc:dependsOn asynciterator:1.1.0.
strftime:0.6.2 doap:revision "0.6.2"; doap:name "strftime".
asynciterator:1.1.0 doap:revision "1.1.0"; doap:name "asynciterator".
…
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Updated evaluation
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Updated evaluation
ex:myServer ldfs:datasource ex:MyCustomDataSource
ex:MyCustomDataSource a ex:CustomDatasource;
ex:Uri "http://example.com/custom";
ex:samples 5.
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Conclusion
Interlinking research allows for…
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Conclusion
Interlinking research allows for…
… better reproducability.
… better re-use.
… better research.
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Describing configurations of software experiments as Linked Data

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