TY - JOUR T1 - Document-retrieval Experiments Using Indexing Vocabularies of Varying Size. 2. Hasing, Truncation, Digram and Trigram Encoding of Index Terms JO - Journal of Documentation PY - 1979/01/01 AU - Willett P ED - DO - DOI: 10.1108/eb026684 PB - Emerald Group Publishing Limited VL - 35 IS - 4 SP - 296 EP - 305 Y2 - 2024/12/22 ER -