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As ontology is subjective and varies in different domains, the amount of ontologies turns out to be huge but with poor compatibility. Mainstream method for ontology integration is mostly achieved by establishing mappings between ontologies. In this essay, the author put forward another way of ontology merging. After statistic machine learning on concept relations, the frequency of different ontologies...
Intermittently connected wireless networks are a class of wireless networks that have recently attracted a lot of attention from the networking community. It is essential to understand their link connectivity performance. Some certainty incidents may lead to the link interruption in the intermittently connected wireless networks, thus we analyze these statistical properties. In this paper, we deduce...
To study the possible cardiac function alternation in hypertension, 13 cardiac function parameters such as blood pressure (BP), cardiac output (CO), ejection time (ET) and stroke volume (SV), etc. were measured in 898 subjects. The subjects were grouped into 3 groups by blood pressure, namely: normotension, prehypertension and hypertension group. Statistic analyses showed that in prehypertension subjects,...
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