“…Traditionally, the relatively homogeneous data sources were verified and integrated into well-structured logical forms. However, applications of big data often require integrating data from both traditional and non-traditional sources (Che et al, 2013). With inexpensive sensors, mobile devices, the Internet, and social collaboration technologies, data are now generated in numerous forms such as text, web data, tweets, images, audio, video, log files, and many more.…”