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Definition of Cancer Research: Journals, Titles, Abstracts or Keywords?
DESIDOC Journal of Library & Information Technology
Three versions of a 'filter' used to identify papers on cancer research, as defined by Cancer Research, UK, and interpreted by four experts, have been compared. The first filter was based only on specialist journals and had unacceptably low recall. The second filter was based both on journals and on title words, and had both precision and recall above 0.9. The third filter was based additionally on words in the abstract and/or keywords provided in the paper: it improved the recall to almostdoi:10.14429/djlit.31.5.1189 fatcat:ty3mwlcvknezpczcxvk4kvytgi