The World of Data
A general introduction to data and
information processing
Jack G. Zheng
Spring 2022 Version 3.0
http://zheng.kennesaw.edu/teaching/it3703
http://zheng.kennesaw.edu/teaching/it7123
IT 3703 Intro to Analytics and Technology
IT 7123 Business Intelligence
Overview
• Fundamental data related concepts and terms
– What is data, what is the data as we concern in business processing
– Data, information, knowledge
• The data and data technology in today’s world
– Data characteristics
– Data challenges
– Data technology and capabilities: hardware (computing power), software,
systems, major product
• DAMA data knowledge areas
• Practical job roles and career paths
– Focus on data management, data engineering, data analytics, business
intelligence, and data science, information/knowledge management
– Data related jobs and careers, corresponding to knowledge areas
2
This lecture focus on fundamental, high-level concepts and philosophical view of
data (compared to technical details), and a general view of the industry and
technology. It sets a context for our main topic on data analytics and technology.
Basic concepts about Data
• DIKW
• Data type
• Data format
• Data model
• Data structure
– Structured, semi-structured, unstructured
• Data processing
– Transactional processing and analytical
processing
3
DIKW
• The DIKW hierarchy depicts relationships between data, information,
knowledge (and wisdom).
– Data: raw value elements or facts
–
Information: the result of collecting and organizing data that provides context and meaning
– Knowledge: the concept of understanding information that provides insight to information,
thus useful and actionable
– Wisdom: the understanding of interactions and an integrated view, and the understanding
of implications and indirect results beyond a target domain.
4
Additional resources if you are interested
•
https://en.wikipedia.org/wiki/DIKW_pyramid
•
https://www.i-scoop.eu/big-data-action-value-
context/dikw-model/
•
https://www.ontotext.com/knowledgehub/fundame
nta