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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Hey, I happen to have done something like this: https://github.com/hfs/landuse_without_buildings/
The difference to the US is that in Germany almost all residential areas were already mapped as landuse=residential. In a project before the buildings, I used high-resolution Census data to identify areas where people live which were not yet mapped in OSM: https://github.com/hfs/unmapped-census
If you're proficient in Java, you can also use our open-source toolkit to analyze OpenStreetMap datasets.
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