Big Data-Definition and Concepts Big Data means different things to people with different backgrounds and interests Traditionally, Big Data"= massive volumes of data E.g., volume of data at CERN, NASA, Google Where does the Big Data come from? Everywhere! Web logs, RFID, GPS systems, sensor networks, social networks. Internet-based text documents Internet search indexes, detail call records, astronomy, atmospheric science, biology, genomics, nuclear physics, biochemical experiments, medical records, scientific research, military surveillance, multimedia archives, Copynight@ 2014 Pearson Education, Inc Slide 6-6Copyright © 2014 Pearson Education, Inc. Slide 6 - 6 Big Data - Definition and Concepts ▪ Big Data means different things to people with different backgrounds and interests ▪ Traditionally, “Big Data” = massive volumes of data ▪ E.g., volume of data at CERN, NASA, Google, … ▪ Where does the Big Data come from? ▪ Everywhere! Web logs, RFID, GPS systems, sensor networks, social networks, Internet-based text documents, Internet search indexes, detail call records, astronomy, atmospheric science, biology, genomics, nuclear physics, biochemical experiments, medical records, scientific research, military surveillance, multimedia archives, …