Definition and importance of knowledge

Definition and importance of knowledge

Knowledge can be defined as the body of facts and principles accumulated by human-kind or the act, fact, or state of knowing

Knowledge is having familiarity with language, concepts, procedures, rules, ideas, abstractions, places, customs, facts, and associations, coupled with an ability to use theses notions effectively in modeling different aspects of the world

The meaning of knowledge is closely related to the meaning of intelligence Intelligent requires the possession of and access to knowledge

A common way to represent knowledge external to a computer or a human is in the form of written language

Example:

Ramu is tall – This expresses a simple fact, an attribute possessed by a person

Ramu loves his mother – This expresses a complex binary relation between two persons

Knowledge may be declarative or procedural

Procedural knowledge is compiled knowledge related to the performance of some task. For example, the steps used to solve an algebraic equation

Declarative knowledge is passive knowledge expressed as statements of facts about the world. For example, personnel data in a database, such data are explicit pieces of independent knowledge

Knowledge includes and requires the use of data and information

Knowledge combines relationships, correlations, dependencies, and the notion of gestalt with data and information

Belief is a meaningful and coherent expression. Thus belief may be true or false

Hypothesis is defined as a belief which is backed up with some supporting evidence, but it may still be false

Knowledge is true justified belief

Epistemology is the study of the nature of knowledge

Metaknowledge is knowledge about knowledge, that is, knowledge about what we know