model,20-6-P03-1050,ak | <term> Arabic stemmer </term> built using <term> | rules | </term> , <term> affix lists </term> , and <term> | #4554 Our resource-frugal approach results in 87.5% agreement with a state of the art, proprietary Arabic stemmer built using rules , affix lists, and human annotated text, in addition to an unsupervised component. |