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Indexing principles and practice natural language in information retrieval consistency of indexing on the indexing and abstracting of imaginative works enhancing indexing quality of indexing abstracts - types and functions approaches used in indexing and abstracting services evaluation aspects automatic indexing, abstracting and related procedures writing the abstract the future of indexing and abstracting services pre-coordinate indexes indexing exercises and abstracting exercises part contents.
Kim et al. (Sat,) studied this question.