TY - JOUR T1 - The Porter stemming algorithm: Then and now JO - Program UR - http://eprints.whiterose.ac.uk/1434/ PY - 2006/01/01 AU - Willett P ED - DO - DOI: 10.1108/00330330610681295 VL - 40 IS - 3 SP - 219 EP - 223 Y2 - 2024/12/28 ER -