db/conf/cikm/LanquillonR99.html Carsten Lanquillon Ingrid Renz Adaptive Information Filtering: Detecting Changes in Text Streams. 538-544 CIKM1999/P538.pdf 1999 conf/cikm/99 CIKM http://doi.acm.org/10.1145/319950.320061 db/conf/cikm/cikm99.html#LanquillonR99