Imad A. Al-Sughaiyer Ibrahim A. Al-Kharashi Firing Policies for an Arabic Rule-Based Stemmer. 98-103 http://dx.doi.org/10.1007/3-540-45735-6_10 2002 conf/spire/2002 SPIRE db/conf/spire/spire2002.html#Al-SughaiyerA02