Opquast desktop is a firefox addon that analyze the quality of the Web pages. In Brussels, for the 14th libre software meeting, the creators of this addons have demonstrated how Opquast desktop was able to check the quality of an opendata dataset.

1. Opquast desktop
Quick analysis of an opendata dataset
Rencontres Mondiales du Logiciel libre - Bruxelles- 2013

2. http//www.temesis.comJuillet 2013
2011 : 72 good practices (fr | en)
• Collaborative conception (online workshops)
• Checkable, useful, international, realistic
• Creative commons BY-SA Licensed
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http://checklists.opquast.com/en/opendata

3. http//www.temesis.comJuillet 2013
Open data quality checklist
• April 2011 Initiated during a barcamp
• Summer 2011 : workshop using the opquast methodology
• 72 criterias organized in 13 categories and 3 levels
• Translation version of the checklist
• Presentation in London (Open data on the Web)
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4. http//www.temesis.comJuillet 2013
Opquast desktop
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Web page analysis
500 tests.
Open source addon
desktop.opquast.com

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Quick demo
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Export of the resultsQuick analysis Error detection

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Metadata :11 criteria
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Testing metadata / several standards / vocabularies
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http://www.w3.org/wiki/WebSchemas/Datasets

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G8 format / mapping
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https://github.com/nsinai/G8_Metadata_Mapping/blob/master/index.md

9. http//www.temesis.comJuillet 2013
Testing a dataset
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10. http//www.temesis.comJuillet 2013
Testing a dataset
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How does it works ?
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• HTML tests -> Direct testing
• CSS, Robots.txt, sitemap -> File lookup
• Open data -> RDF lookup (ajax)
• Testing the dataset
/**
*
* @param doc
* @return
*/
window.odPresence = function odPresence(doc) {
return XHR.partial(doc.location.href + '.rdf').then(function(response) {
if (response.status !== 200) {
return [];
}
return [doc.location.href + '.rdf'];
}).then(null, function(err) {
// Error Logging
logger.error("odPresence", err);
return false;
});
}

12. http//www.temesis.comJuillet 2013
Contact
Temesis
SAS au capital de 111 776 €
18, rue Lucien Granet
33150 Cenon - France
Phone : +33 5 56 401 402 - Fax : +33 5 56 401 403
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