Mining Big Data to Improve National Security: A Practitioner's Guide to Emerging Technologies introduces state-of-the-art concepts and technologies surrounding big data, providing users with a strategic framework that can be used to combat terrorism and reduce crime. . An international team of computer scientists and national security experts provide extensive knowledge on this increasingly global issue using a series of case studies and predictions. . The strategic frameworks and critical factors presented in the text consider legal, ethical, and societal impacts, illustrating how data and security concerns intersect. Future technical and operational challenges are also covered, along with new possibilities for improving detection and prevention of crime and terrorism.