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"An ultimate face recognition algorithm should perform with billions of people in a dataset," the researchers wrote.
“最终的人脸识别算法应该能在一个数据集里处理数十亿人的数据。”研究人员写道。
But the dataset is enormously valuable, and Treasury recently published updated data through 2010.
FORBES: Cool Treasury Data on the Revenue Effect of Past Tax Bills
That information gets distilled into a comprehensive (though anonymous) dataset of eBay shopper behavior.
FORBES: Magazine Article
The dataset reveals increasing and decreasing consumer sentiment about key factors in each industry.
FORBES: New Sources for Business Surprises
DataSet是ADO.NET的中心概念。可以把DataSet当成内存中的数据库,DataSet是不依赖于数据库的独立数据集合。所谓独立,就是说,即使断开数据链路,或者关闭数据库,DataSet依然是可用的,DataSet在内部是用XML来描述数据的,由于XML是一种与平台无关、与语言无关的数据描述语言,而且可以描述复杂关系的数据,比如父子关系的数据,所以DataSet实际上可以容纳具有复杂关系的数据,而且不再依赖于数据库链路。
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