Meta Data Flashcards
What does the D stand for in “DIKW Pyramid”?
D stands for Data
What does the I stand for in “DIKW Pyramid”?
I stands for Information
What does the K stand for in “DIKW Pyramid”?
K stands for Knowledge
What does the W stand for in “DIWK Pyramid”?
W stands for Wisdom
Explain Data in a DIKW Pyramid context
Data is the first block in the DIKW Pyramid, and represents a collection of facts in a raw unorganised form
Explain Information in a DIKW Pyramid context
Information is the second block in the DIKW Pyramid and represents data with meaning, it is Data that has been cleaned in a way that makes sit easier to visualize
Explain Knowledge in a DIKW Pyramid context
Knowledge is the third block in the DIKW Pyramid and represents data with context added to it
Explain Wisdom in a DIKW Pyramid context
Wisdom is the fourth block in the DIKW Pyramid and represents the action we can take based on the data represented in the steps below
What is a simple way to describe Meta data?
Meta data is data about data
What is Data Provenance?
Data provenance refers to the documentation and tracking of origin, processing steps, and transformation the data undergoes throughout its lifecycle
What is descriptive Metadata?
Descriptive Metadata includes information that describes the content of the data, helping users understand what the data is about
What is structural Metadata?
Structural Metadata describes the structure and organization of the data. Includes data on how the data formatted and any heirarchies present
What is provenance Metadata?
Provenance Metadata tracks the history and origin of the data, documenting its sources, transformations, and any changes it has undergone. It helps establish data lineage and ensures data quality and reliability
What is technical Metadata?
Technical metadata provides information about the technical aspects of the data, such as file format, data size, encoding. Technical Metadata is crucial for data processing and interoperability
What is Lineage in the context of data provenance?
Lineage describes how the data changes over time