db/conf/coopis/Koriche97.html Frédéric Koriche Fault-Tolerant and Approximate Reasoning in Multi-Source Environments. 66-72 COOPIS1997/79460066.pdf 1997 conf/coopis/97 CoopIS http://computer.org/proceedings/coopis/7946/79460066abs.htm db/conf/coopis/coopis97.html#Koriche97