Wikidata Sparql Query Log Analysis

We recently gained access to the anonymised logs of several hundred million SPARQL queries from the Wikidata SPARQL endpoint. This blog post contains some discussion about the main takeaway points, while the full analysis and code can be found here. What are we looking for? We are interested in biomedical properties and items in Wikidata, specifically looking at how these entities are used...
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Integrating Wikidata and other linked data sources – Federated SPARQL queries

This blog is about running federated SPARQL queries on Wikidata.  A federated query is a special type of SPARQL query that runs on more then one SPARQL endpoint. It allows access to multiple linked data resources in a single query. Below is a template of a federated query. The WikiData Query Service (WDQS) now supports federated SPARQL queries on a limited number of endpoints. Remote SPARQL...
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Recapping gene-disease mining (via Twitter)

[View the story “Gene Wiki Plus extensions” on Storify] Gene Wiki Plus extensions Storified by Andrew Su · Mon, May 07 2012 14:03:56 The uber-hacker Pierre posted a great blog post about using getting gene-disease mappings from the the Human Disease Ontology project.  I replied that our GeneWikiPlus effort was also generally focused on the same problem: New blog post: Using the...
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Integrating Knowledge Presentation at SMWCon

Our presentation at the Semantic MediaWiki Conference was a smashing hit! I discussed the software we developed to create GeneWiki+, which we’ve christened mwsync. Mwsync is a cool little Java framework that makes it easy to maintain a live mirror of any MediaWiki site that exposes the standard MediaWiki API. The framework copies over any changes made to the source site on a repeating...
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Gene Wiki SPARQL endpoint

Thanks to Leyla and Alex Garcia-Castro from UniProt and Florida State University respectively, we now have access to a SPARQL endpoint for the data in the Gene Wiki.  Access it live here:http://virtuoso.idiginfo.org/sparql(update on 4-28-12 , that is down and a live one is currently available athttp://199.102.237.69:8890/sparql)Here is one query that you might like to try that finds gene-disease...
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