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INTRODUCTIONCorrectlypinpointingsplicing sitesingenomicDNAsequencesisnotaneasytask ,whichisofgreatimportancetothegenomeannotationandgenefinding .Intronsaregenerallydividedinto3classes,namelycalssI,classIIandcommonnu cleuspre mRNA .IntronofclassIandIIcango… 相似文献
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Motivation: It was found that high accuracy splicing-site recognition of rice (Oryza sativa L.) DNA sequence is especially difficult. We described a new method for the splicing-site recognition of rice DNA sequences. Method: Based on the intron in eukaryotic organisms conforming to the principle of GT-AG, we used support vector machines (SVM) to predict the splicing sites. By machine learning, we built a model and used it to test the effect of the test data set of true and pseudo splicing sites. Results: The prediction accuracy we obtained was 87.53% at the true 5' end splicing site and 87.37% at the true 3' end splicing sites. The results suggested that the SVM approach could achieve higher accuracy than the previous approaches. 相似文献
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按学区就近入学,一条胡同就决定你必须上哪所学校,由于校际间教学质量差异较大,加之现在都是独生子女,家长望子成龙心切,于是:由就近入学”而引发出种种怪现象: 李某是位教师,他对本地段小学教学质量不甚满意,一心要把儿子跨地段送进一所名牌小学,而进那所小学据说得交1000元的“借读费”。当李某正为学费攒得差不多暗暗放心的时候, 相似文献
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