Data cleansing mechanisms and approaches for big data analytics: a systematic study

With the evolution of new technologies, the production of digital data is constantly growing. It is thus necessary to develop data management strategies in order to handle the large-scale datasets. The data gathered through different sources, such as sensor networks, social media, business transactions, etc. is inherently uncertain due to noise, missing values, inconsistencies and other problems that impact the quality of big data analytics. One...