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which shows which documents contain which terms and how many times they appear. Such an approach is similar to the use of [[co-occurrence matrix]] by an analysis of sentences inside the corpus of words<ref>Bryan Bischof. Higher order co-occurrence tensors for hypergraphs via face-splitting. Published 15 February, 2020, Mathematics, Computer Science, [https://arxiv.org/abs/2002.06285 ArXiv]</ref>.
Note that more sophisticated weights can be used; one typical example, among others, would be [[tf-idf]].
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