Examples of using Big data sources in English and their translations into Romanian
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some of the examples in this book involve clever repurposing of big data sources that were originally created by companies and governments.
In conclusion, the big data sources of today(and tomorrow)
For examples of researchers expressing concern about non-representative nature of big data sources, see boyd and Crawford(2012), K.
I think that there are three main ways that big data sources will be most valuable for social research.
Two approaches that especially benefit from big data sources are natural experiments and matching.
The sensitive nature of this information is part of the reason that big data sources are often inaccessible(described above).
In particular, I will focus on big data sources created by companies and governments.
First, increasingly corporate big data sources come from digital devices in the physical world.
offer other advice for discovering useful comparisons within big data sources.
Finally, I will describe two strategies for combining survey data and big data sources.
For machine learning approaches that attempt to automatically discover natural experiments inside of big data sources, see Jensen et al.
But, as was described in chapter 2, big data sources may not be accurate,
the behavior captured in big data sources is sometimes impacted by the goals of platform owners,
including big data sources like Hadoop and Facebook, shaping the data
Nowcasting projects such as Google Flu Trends also show what can happen if big data sources are combined with more traditional data that were created for the purposes of research.
Third, when survey data collection is combined with big data sources- something that I think will become increasingly common,
for more on construct validity in big data sources, Lazer(2015) and Chapter 2 of this book.
to natural disasters(Castillo 2016) and a variety of different big data sources can be used produce real-time estimates of economic activity(Choi and Varian 2012).
These four examples all show that a powerful strategy in the future will be to enrich big data sources, which are not created for research,