English WordNet 3.1
This is the version of English WordNet created from the Princeton WordNet 3.1 under the WordNet License. It contains no non-technical differences to the Princeton WordNet 3.1 release and a version of WordNet 3.1 can be created from this using the GWN Scala API. In particular, with the following command
./gwn -i wn31.xml -o wn31/ -t WNDB