Andrew Zolnai Blog

Four weeks ago I blogged here about the availability of open data, posting it on the open web and its potential social impact. Two weeks ag...

Update 5: read here my  new occupation inspired by this 18 months later Update 4: for a predictive app using Esri & Alexa, see this e...

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And now for something completely different - the original posts until Part VI are listed below - I ran across a nice map of Steve Feldman &#...

[ Update: find on my map blog the full story on how the video below was created ] Since www.zolnai.ca  will be the landing page for my n...

Three months into posting data on my web service - Part V - I created a short list of free data for Great Britain on my Map Catalog called ...

My map catalog also works well to post new projects: added British Geological Survey web mapping services to East Anglia web map, in order t...

In my ongoing suite of posting webmaps in my new and fresh Mind the Map blog, here is another take on loading global vectore megadatasets b...

My previous post on this topic stated how careful documentation and appropriate metadata high-grades any information that is shared online ...

It took five days (after hours) to stand up, learn, tweak and display my East Anglia Fenlands project on Mapcentia's web service . It st...

[ Update: this was summarised into a story map here  posted also on this blog here ] Two years then one year ago I QC'd UK Ordnanc...

More and more free data are available that are quality-controlled and verifiable. Guardian Data Blog 's @smfrogers (now at Twitter) was ...

Releasing data really works , Continued RSPB 2013 Big Garden Bird Watch released data by county, listing bird counts for each county in o...

Three years into moving to my blog page, here are a few stats on pageviews. Thanks to everyone especially @google, @slashgeo and @cageyjames...

[ 03 Nov 13 update : "relooped the loop" by testing the corrected Ordnance Survey data Feb 2013 update: Ordnance Survey cartogr...

I ran across these interesting web-mapping innovations - three on data consumption (multi-modal maps on steroids) and two on data creation (...

Is it spring in the air or LinkedIn's new (to me) facility to post projects? Here is a round-up of various projects in the past five yea...

Continuing the ongoing (re)discovery of cool maps for the rest of us, here are two I found on Facebook from my friends Christophe Staff in ...

[2013 update: Socium is now 1SpatialCloud ] Three weeks ago  I introduced Socium's Online Validation Service (OVS). I showed the Ordna...

I consider myself a c itizen of the world,  as shown in the map below. Born as my parents fled Hungary right after 1956 Uprising. Raised on ...