Big Data refers to large, complex datasets. Characteristics include:
Volume:
- Extremely large amounts of data
- Often measured in terabytes or petabytes
Velocity:
- Rapid data generation and processing
- Real-time or near-real-time data streams
Variety:
- Diverse data types (structured, unstructured, semi-structured)
- Multiple data sources
Analysis Techniques:
- Advanced analytics
- Machine learning algorithms
- Distributed computing
Applications:
- Business intelligence
- Scientific research
- Predictive modelling
Big Data requires specialised tools and techniques for effective management and analysis.