Data modeling is used to define and analyze the data requirements to support data mining and data analytics ... Committee described a three-schema concept, which was first introduced in 1975.

Big data is less predictable than traditional ... which requires no database schema. Because of this, big data models should be built on systems, not databases. The system components that big ...

The “self-service” or “democratized” analytics model continues ... the ocean of data they collect. This is because nearly 90% of data is unstructured or has no defined schema.

These include the IT infrastructure needed to support big data technologies, the analytics applied ... with restrictions such as rigid schema that make them less suitable for some types of ...

“The Elastic Common Schema provides a ... the analysis of disparate data sources, supporting a wide range of use cases, including logging, security analytics, and application performance monitoring.