Tamas E. Doszkocs IR, NLP, AI and UFOS: Or IR-Relevance, Natural Language Problems, Artful Intelligence and User-Friendly Online Systems. 49-57 1986 SIGIR db/conf/sigir/sigir86.html#Doszkocs86 conf/sigir/86 SIGIR1986/P049.pdf db/conf/sigir/Doszkocs86.html