Derived Data


Ordnance Survey are pretty damn good at Derived Data exemptions 1

For those who are not clued up about the fine detail of derived data and exemption requests, the OS maintains that some data sets produced by it’s licensees may incorporate elements of OS data and thus be classified as derived data. If this is the case (most frequently where OS geometry is directly traced in the licensee’s data e.g. BLPU’s and planning application boundaries) then the licensee needs to request a derived data exemption under the […]


PSMA – an update 4

CLG have recently published a Transition Plan for the Public Sector Mapping Agreement for England and Wales. A very useful document for anyone outside of the parties to the agreement who wants a bit more detail about what is going on. Under licensing the doc says PSMA licensing aims to ensure that the public sector can use the data provided under the agreement, and data derived from it, as widely as possible to deliver its […]


How complex can this Derived Data thingmy be? 11

Gosh we seem to have been talking about Derived Data for such a long time and still we don’t seem to making much progress. Every time government reviews Ordnance Survey it stumbles on the thorny subject of Derived Data. Nearly 18 months ago when the short lived new business strategy for OS was launched by a now departed minister there were promises that the issue would be resolved soon. I consulted for OS on GeoVation […]