Paolo Amoroso on Nostr: This 1973 paper is an overview of LUNAR, an experimental natural language interface ...

This 1973 paper is an overview of LUNAR, an experimental natural language interface to a database of Apollo lunar rock sample data. It was written in BBN Lisp, which later became Interlisp, and supported advanced queries such as (over half a century ago!):

(WHAT IS THE AVERAGE CONCENTRATION OF ALUMINUM IN HIGH ALKALI ROCKS)

The developer of LUNAR's grammar, Ron Kaplan, worked at PARC and cofounded the Medley Interlisp Project.

https://dl.acm.org/doi/pdf/10.1145/1499586.1499695

#interlisp #retrocomputing #lisp