| http://www.w3.org/ns/prov#value | - A similar concept has been employed in document retrieval systems so that larger weights are assigned to terms that occur frequently in particular documents, but rarely in other documents, since such terms can distinguish the documents in which they occur from other documents. (See, e.g., the article: Salton et al., Automatic Structuring and Retrieval of Large Text Files, Communications of the A
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