Eight in 10 Korean judges have experienced court cases in which false or nonexistent legal precedents generated by artificial intelligence (AI) were cited, a recent survey by the Supreme Court released Monday showed. The top court published the outcome of the survey conducted on 360 judges from Oct. 6-16 as it sought to examine increasingly worrisome cases of "AI hallucination" — a term referring to a situation where AI models present false information as if they were true. In the survey, about 80 percent of the judges in charge of civil, family and administrative cases said that they had experienced cases in which nonexistent or false precedents were cited. Of those, 196 judges, or 80.7 percent, said they had seen the citations of nonexistent legal precedents in court cases, while 159 judges, or 65.4 percent, said have they encountered cases involving the citations of false precedents. The survey also showed that 41 judges, or 16.9 percent, encountered cases in which false or non-existent laws and regulations were cited, while 10 judges, or 4.1 percent, said they have seen citations o