Documentation can be found online under https://wiki.52north.org/bin/view/SensorWeb/WebNotificationService Later version will include an update on the documentation. To build the WNS, use Maven project management tool. Ensure you have set predefined build variables within pom.xml or use the env-dev profile along with properties file wns_v2-build-dev.properties on your ${user.home}. Then build with `mvn -P env-dev'.