Big Data Analysis

Big data can be understood as a collection of data sets that are very large and complex which is difficult to be processed using on-hand database management tools or traditional data processing applications.

Academic field of study information

As an Academic field of study Information Retrieval might be defined thus Information Retrieval is findingmaterial ( usually documents) of an unstructured nature( usually text) that satisfies an information need from within a large collections ( usually stored on computer).