出典:Wikipedia
出典:『Wikipedia』 (2010/12/18 23:37 UTC 版)
A Question Focused Dataset (QFD) is a subset of data that is derived from one or more parent data sources and substantively transformed in order to answer a specific analytic question or small set of questions. Since by definition a QFD is designed with a specific question in mind, it should perform much better at answering the question that the parent repository.