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classification_ss:"025.4'7 / dc21"
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subject_ss:"Subject cataloging"
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subject_ss:"Indexing"
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type_ss:"m"
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Hjoerland, B.: Information seeking and subject representation : an activity-theoretical approach to information science (1997)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm