Use the Pilosa Dev Kit to import the taxi data: https://github.com/pilosa/pdk
git clone https://github.com/pilosa/demo-taxi.git
cd demo-taxi
go get -u github.com/rakyll/statik
dep ensure && go install github.com/rakyll/statik
go generate && go build . && ./demo-taxi
Then open http://127.0.0.1:8000 and try out some queries!