I found a complete history of Africa that is available in PDF format from
UNESCO.. It is in eight parts and I am happy that it exists.. I added the
data in Wikidata but this is the link for the English version.. There are
versions in other languages as well :)


On 27 June 2017 at 05:18, Pine W <wiki.p...@gmail.com> wrote:

> I like a tool for Wikidata that Hay created which is called VizQuery. More
> information about it is below.
> What's making you happy this week?
> Pine
> ---------- Forwarded message ----------
> From: Hay (Husky) <hus...@gmail.com>
> Date: Tue, Jun 20, 2017 at 4:10 PM
> Subject: [Wikidata] A visual way to query Wikidata
> To: "Discussion list for the Wikidata project." <
> wikid...@lists.wikimedia.org>
> Hey everyone,
> i've made a tool that allows you to query Wikidata in a visual way
> without using SPARQL. It's called VizQuery:
> http://tools.wmflabs.org/hay/vizquery/
> The possibilities of using Wikidata to do interesting queries are
> endless, and the current query service allows for very powerful
> queries indeed. However, i feel that for the general public,
> especially those who are not that technical, it might be a bit
> overwhelming and difficult for them to learn a complex language such
> as SPARQL. To make people familiar with the concept of queries i
> believe a somewhat less intimidating approach might be useful, hence
> this tool.
> VizQuery is only capable of doing a subset of possible queries. It's
> basically simple triples, variables (prefixed with '?') and literals
> (between "quotes"). You can do pretty powerful queries with only those
> things though. For example, here's a query with vegetarians who are
> married to a vegetarian:
> http://bit.ly/2sydpmW
> Under the hood VizQuery uses Ruben Verborgh's SPARQL.js library to
> convert between JSON and SPARQL, so theoretically every SPARQL query
> you could do in the regular query service can be done in VizQuery.
> However, many queries won't work because the visual interface only
> supports a subset of options: it's pretty hard to create user-friendly
> GUI representations of many of the complex SPARQL features. :)
> Anyway, i'd like to hear what you think. Bugs, feature request and
> pull requests are also welcome on my Github page:
> https://github.com/hay/wiki-tools
> Kind regards,
> -- Hay
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