POPSI (Postulate-Based Permuted Subject Indexing)

Glossary of Library & Information Science

POPSI (POSTULATE-BASED PERMUTED SUBJECT INDEXING) ➨ The inherent weakness of chain indexing has been its dependence on a scheme of classification. Another weakness was its disappearing chain. In view of this situation, the information scientists at the Documentation Research and Training Centre (DRTC), Banglore, directed themselves from these