Information extraction from English and German texts based on predicate logic
See https://github.com/explosion/holmes-extractor/#version-400
See https://github.com/msg-systems/holmes-extractor/#version-300
See https://github.com/msg-systems/holmes-extractor/#version-221
See https://github.com/msg-systems/holmes-extractor/#version-220
See https://github.com/msg-systems/holmes-extractor/#version-210