But we didn't want NLL to be seen as just another application of Machine Learning, particularly as we (and our sister SIG-DAT) developed increasingly large and expensive resources, including tagged corpora.
we moved away from the name "Machine Learning of Natural Language" which was the title of the book based on my own PhD thesis (Powers and Turk, 1989) while the AAAI event I organized added "and Ontology" (Powers, 1991a).