(language)A stream-based, concurrent, logic,object-oriented language by K. Yoshida and Takashi Chikayama, built on top of KL1.
["A'UM - A Stream-based Concurrent Logic Object-OrientedLanguage", K. Yoshida et al, Proc 3rd Intl Conf Fifth GenComp Sys, Springer 1988, pp. 638-649].