What is Message Passing Interface (MPI)

Normally, big data refers to large and complex data sets that are derived from various sources and require new mechanisms for processing as existing mechanisms cannot handle such complex data (structured, semi-structured, and unstructured). Such type of data is growing rapidly in various sectors, and its interpretation and analysis is the need of today. Like other areas, e-governance and society also deal with big data. Big data analytics refers to the use of tools and techniques to process and analyse big data and plays a vital role in e-government projects. Using these tools, governments tend to modernize the public sector and create different policies to improve economy of a country. This article starts with a brief introduction to big data and its applications in e-governance and describes and analyses different available frameworks/tools highlighting their pros and cons. Also, frameworks being in different sectors of governance are presented along with various analytic techniques used. It ends with accounting challenges in using and managing big data analytics techniques.