Literature mining on pharmacokinetics numerical data: a feasibility study.

Literature mining on pharmacokinetics numerical data: a feasibility study.
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DOI:
10.1016/j.jbi.2009.03.010
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发表时间:
2009-08
影响因子:
4.5
通讯作者:
Li L
Li L
中科院分区:
医学3区
文献类型:
--
作者:
Wang Z;Kim S;Quinney SK;Guo Y;Hall SD;Rocha LM;Li L

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采用序贯挖掘策略对药物PK参数数值数据进行文献挖掘的可行性研究。首先,建立实体模板库来检索药代动力学相关文章。然后应用一组标记和提取规则从文章摘要中检索 PK 数据。为了估计 PK 参数总体平均平均值和研究间方差,开发了线性混合荟萃分析模型和 E-M 算法来描述 PK 参数的概率分布。最后,开发了交叉验证程序来确定误报挖掘结果。使用这种方法挖掘咪达唑仑 (MDZ) PK 数据,准确率达到 88%,召回率达到 92%,F 分数 = 90%。它大大优于传统的数据挖掘方法(支持向量机),其 F 分数为 68.1%。对另外 7 种药物的进一步研究揭示了我们的顺序挖掘方法的类似性能。
A feasibility study of literature mining is conducted on drug PK parameter numerical data with a sequential mining strategy. Firstly, an entity template library is built to retrieve pharmacokinetics relevant articles. Then a set of tagging and extraction rules are applied to retrieve PK data from the article abstracts. To estimate the PK parameter population-average mean and between-study variance, a linear mixed meta-analysis model and an E-M algorithm are developed to describe the probability distributions of PK parameters. Finally, a cross-validation procedure is developed to ascertain false-positive mining results. Using this approach to mine midazolam (MDZ) PK data, an 88% precision rate and 92% recall rate are achieved, with an F-score = 90%. It greatly outperforms a conventional data mining approach (support vector machine), which has an F-score of 68.1%. Further investigate on 7 more drugs reveals comparable performances of our sequential mining approach.
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