TY - JOUR T1 - Comparison of hierachic agglomerative clustering methods for document retrieval JO - Computer Journal PY - 1989/06/01 AU - El-Hamdouchi A AU - Willett P ED - DO - DOI: 10.1093/comjnl/32.3.220 VL - 32 IS - 3 SP - 220 EP - 227 Y2 - 2025/05/23 ER -