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Distribution of "Characteristic" Terms in MEDLINE Literatures
2011
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Given the occurrence frequency of any term within any set of articles within MEDLINE, we define -characteristic‖ terms as words and phrases that occur in that literature more frequently than expected by chance (at p < 0.001 or better). In this report, we studied how the cut-off criterion varied as a function of literature size and term frequency in MEDLINE as a whole, and have compared the distribution of characteristic terms within a number of journal-defined, affiliation-defined and random
doi:10.3390/info2020266
fatcat:xaedpgxlwzcajjsmbfwtydu25e