2015 | OriginalPaper | Buchkapitel
Data Quality, Analytics, and Privacy in Big Data
verfasst von : Xiaoni Zhang, Shang Xiang
Erschienen in: Big Data in Complex Systems
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In today’s world, companies not only compete on products or services but also on how they can analyze and mine data in order to gain insights for competitive advantages and long term growth. With the exponential growth of data, companies now face unprecedented challenges, however are also presented with numerous opportunities for competitive growth. Advancement in data capturing devices and the existence of multi-generation systems in organizations have increased the number of data sources. Typically, data generated from different devices may not be compatible with each other, which calls for data integration. Although, ETL market offers a wide variety of tools for data integration, it is still common for companies to use SQL to manually produce in-house ETL tools. There are technological and managerial challenges to deal with data integration. During data integration, data quality must be embedded in it.
Big data analytics delivers insights which can be used for effective business decisions. However, some of these insights may invade consumer privacy. With more and more data related to consumer behavior being collected and the advancement in big data analytics, privacy has become an increasing concern. Therefore, it is necessary to address issues related to privacy laws, consumer protections and best practices to safeguard privacy. In this chapter, we will discuss topics related to big data in the area of big data integration, big data quality, big data privacy, and big data analytics.