Knowledge and Ontology

About the statements of knowledge see:

• knowledge
• DIKW:
  DIKW is data, information, knowledge, wisdom: an information hierarchy where each layer adds certain attributes over and above the previous one. Data is the most basic level; Information adds context; Knowledge adds how to use it; and Wisdom adds when to use it. As such, DIKW is a model that is useful to understanding analysis and the importance and limits of conceptual works. DIKW is used primarily in the fields of Information Science and Knowledge Management.

• knowledge management
• Personal Knowledge Management

Ontology and Knowledge? from W3C
An ontology defines the terms used to describe and represent an area of knowledge.