Protein-Protein interaction (PPI) information play a vital role in biological research. This work proposes a two-step machine learning based method to extract PPI information from biomedical literature. Both steps use Maximum Entropy (ME) model. The first step is designed to estimate whether a sentence in a literature contains PPI information. The second step is to judge whether each protein pair in a sentence has interaction. Two steps are combined through adding the outputs of the first step to the model of the second step as features. Experiments show the method achieves a total accuracy of 81.9% in BC-PPI corpus and the outputs of the first step can effectively prompt the performance of the PPI information extraction. © Springer-Verlag Berlin Heidelberg 2007.
CITATION STYLE
Sun, C., Lin, L., Wang, X., & Guan, Y. (2007). Using maximum entropy model to extract protein-protein interaction information from biomedical literature. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4681 LNCS, pp. 730–737). Springer Verlag. https://doi.org/10.1007/978-3-540-74171-8_72
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