Links:
[1] https://www.semanticsoftware.info/users/ralf
[2] https://www.semanticsoftware.info/category/project/fuzzy-believer
[3] https://www.semanticsoftware.info/category/topic/nlp/textual-entailment-recognition
[4] https://www.semanticsoftware.info/category/topic/nlp/reported-speech
[5] https://www.semanticsoftware.info/category/topic/ai
[6] https://www.semanticsoftware.info/category/topic/fuzzy-sets-systems
[7] https://www.semanticsoftware.info/category/topic/nlp
[8] https://www.semanticsoftware.info/biblio/author/6
[9] https://www.semanticsoftware.info/system/files/believer.pdf