The Evolution of Rough Sets 1970s-1981
This is an incremental historical review for researchers in rough sets and information systems.
The paper recalls research and publications by Zdzisław Pawlak and collaborators from the 1970s to 1981, focusing on the sources of inspiration for rough sets and outlining developments related to rough sets and information systems from 1981.
In this note research and publications by Zdzisław Pawlak and his collaborators from 1970s and 1981 are recalled. Focus is placed on the sources of inspiration which one can identify on the basis of those publications. Finally, developments from 1981 related to rough sets and information systems are outlined.