Case Studies and Industry Applications of Big Data

Introduction Big data has transformed industries by enabling organizations to harness vast amounts of data for actionable insights. This chapter explores real-world case studies across healthcare, finance, retail, and smart cities, illustrating how big data drives innovation, efficiency, and decision-making. Each case study highlights practical applications, challenges, and lessons learned from successes and failures, making the concepts relatable and grounded. By examining these examples, readers will understand how big data translates into tangible outcomes across diverse sectors. 1. Healthcare: Predictive Diagnostics Big data has revolutionized healthcare by enabling predictive diagnostics, which leverages historical and real-time data to anticipate patient outcomes and optimize treatment plans. Predictive diagnostics uses machine learning models, electronic health records (EHRs), and wearable device data to identify patterns and predict health risks. Case Study: IBM Watso...