Data extraction methods for systematic review (semi)automation: Update of a living systematic review.

0.54) but this has also been shown by others. 179 There is a positive trend with authors of included publication increasingly using multiple corpora for evaluation, which is also aided by the availability of multiple benchmarking corpora in entity, sentence, and relation classification (see Table 4).

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57 , 58 Another type of relaxation for standard metrics is a distance relaxation when normalising entities into concepts in medical subject headings (MesH) or unified medical language system (UMLS), to allow N hops between predicted and target concepts. 59 The LSR update showed an increasing trend of text summarisation and relation extraction algorithms.

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A notable trend within the latest review update was 23 publications now annotating or working with datasets that differentiated between intervention and control arms; fourteen of these published during or after 2022.

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While facilitating access to automated extraction, they showed a trend of decreasing quality of results reporting, especially quantitative results such as recall and lower reproducibility of results.

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