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[PDF]Mining Relation Reversals in the Evolution of SNOMED CT Using MapReduce

[日期:2015-01-13] 来源:  作者: [字体: ]

Mining Relation Reversals in the Evolution of SNOMED CT Using MapReduce

Shiqiang Tao MS Licong Cui PhD, Wei Zhu Mengmeng Sun

We present a scalable approach, using cloud computing, to systematically extract all hierarchical relation reversals among 8 SNOMED CT versions from 2009 to 2014. Taking advantage of our MapReduce algorithms for computing transitive closure and large-scale set operations, 48 reversals were found through 28 pairwise comparison of the 8 versions in 18 minutes using a 30-node local cloud, to completely cover all possible scenarios.


Mining Relation Reversals Using MapReduce

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