Tag: wdqs

Tech Lead Digest – Q3/4 2021

It’s time for the 5th instalment of my tech lead digest posts. I switched to monthly for 2 months, but decided to back down to quarterlyish. You can find the other digests by checking out the series. 🧑‍🤝‍🧑Wikidata & Wikibase The biggest event of note in the past months was WikidataCon 2021 which took place…

By addshore December 6, 2021 1

Testing WDQS Blazegraph data load performance

Toward the end of 2020 I spent some time blackbox testing data load times for WDQS and Blazegraph to try and find out which possible setting tweaks might make things faster. I didn’t come to any major conclusions as part of this effort but will write up the approach and data nonetheless incase it is…

By addshore February 10, 2021 1

Your own Wikidata Query Service, with no limits

The Wikidata Query Service allows anyone to use SPARQL to query the continuously evolving data contained within the Wikidata project, currently standing at nearly 65 millions data items (concepts) and over 7000 properties, which translates to roughly 8.4 billion triples. You can find a great write up introducing SPARQL, Wikidata, the query service and what…

By addshore October 23, 2019 14

Wikibase docker images

This is a belated post about the Wikibase docker images that I recently created for the Wikidata 5th birthday. You can find the various images on docker hub and matching Dockerfiles on github. These images combined allow you to quickly create docker containers for Wikibase backed by MySQL and with a SPARQL query service running…

By addshore December 3, 2017 9

Wikidata Map October 2016

I has been another 5 months since my last post about the Wikidata maps, and again some areas of the world have lit up. Since my last post at least 9 noticeable areas have appeared with many new items containing coordinate locations. These include Afghanistan, Angola, Bosnia & Herzegovina, Burundi, Lebanon, Lithuania, Macedonia, South Sudan and Syria.…

By addshore October 28, 2016 3

Geospatial search for Wikidata Query Service

Geospatial search is up and running for the Wikidata Query Service! This allows you to search for items with coordinates that are located within a certain radius or within a bounding box. Along side the the map that can be used to display results for the query service this really is a great tool for…

By addshore May 14, 2016 0