TY - BOOK AU - Mariam Mohamed Ismail Mohamed AU - Ahmed Elragal , TI - Text mining : : A method to understand consumer perceived value / PY - 2017/// CY - Cairo : PB - Mariam Mohamed Ismail Mohamed , N1 - Thesis (M.Sc.) - German University - Faculty of Postgraduate Studies and Scientific Research - Department of Business Informations N2 - Enormous amounts of data - called big data- is being generated in our world, making everyone excited about exploiting the benefits of such data by using data mining techniques. It was estimated that 80% of data is stored in unstructured format for e.g., text, video, & audio and much and much of it is expressed in natural language, such as posts, teweet and comments ER -