db/conf/coopis/VassiliouJSS99.html Yannis Vassiliou Matthias Jarke Timos K. Sellis Eric Simon Panel on Data Warehouse Quality Issues. 8-9 DiSC2_1/out/papers/coopis/03840008.pdf 1999 conf/coopis/1999 CoopIS http://computer.org/proceedings/coopis/0384/03840008abs.htm db/conf/coopis/coopis99.html#VassiliouJSS99