@article{yao2006rough, author = {Yao, Y.C.Y. and Chen, YH}, interhash = {55e095b9a94a0fb4a653aa694060747b}, intrahash = {af8677355bab4234f42ca7f40fc7e51a}, journal = {Lecture Notes in Computer Science}, pages = {285--305}, publisher = {Springer}, title = {{Rough set approximations in formal concept analysis}}, url = {http://scholar.google.de/scholar.bib?q=info:YfZQO9DjAmoJ:scholar.google.com/&output=citation&hl=de&ct=citation&cd=4}, volume = 4100, year = 2006 }