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Knowledge is the perception of the agreement or disagreement of two ideas.

Davenport and Prusak define knowledge as, "a fluid mix of framed experience, contextual information, values and expert insight that provides a framework for evaluating and incorporating new experiences and information." Notice that there are two parts to this definition:
  • First, there is content: "a fluid mix of framed experience, contextual information, values and expert insight." This includes a number of things that we have within us, such as experiences, beliefs, values, how we feel, motivation, and information.
  • The second part defines the function or purpose of knowledge, "that provides a framework for evaluating and incorporating new experiences and information."

Knowledge is information that changes something or somebody; either by becoming grounds for actions, or by making an individual (or an institution) capable of different or more effective action.

The function has two main parts. First, it serves as a background for the assessment of signals, which in turn, allows the performance of actions. As to the first part, they write, "To determine whether a signal is informative, an observer has to "attach meaning to it," e.g., to perceive and interpret it. Once perceived and interpreted the observer may evaluate whether the signal is informative and whether action is required."

And secondly, "The role of knowledge in generating appropriate actions is that it serves as a background for articulating possible courses of action (articulation), for judging whether courses of action will yield the intended result and for using this judgement in selecting among them (selection), for deciding how actions should be implemented and for actually implementing actions (implementation)."

Types of Knowledge

Explicit knowledge

Can be articulated into formal language, including grammatical statements (words and numbers), mathematical expressions, specifications, manuals, etc. Explicit knowledge can be readily transmitted others. Also, it can easily be processed by a computer, transmitted electronically, or stored in databases.

Tacit knowledge

Personal knowledge embedded in individual experience and involves intangible factors, such as personal beliefs, perspective, and the value system. Tacit knowledge is hard to articulate with formal language (hard, but not impossible). It contains subjective insights, intuitions, and hunches. Before tacit knowledge can be communicated, it must be converted into words, models, or numbers that can be understand. In addition, there are two dimensions to tacit knowledge:
  • Technical Dimension (procedural): This encompasses the kind of informal and skills often captured in the term know-how. For example, a craftsperson develops a wealth of expertise after years of experience. But a craftsperson often has difficulty articulating the technical or scientific principles of his or her craft. Highly subjective and personal insights, intuitions, hunches and inspirations derived from bodily experience fall into this dimension.
  • Cognitive Dimension: This consists of beliefs, perceptions, ideals, values, emotions and mental models so ingrained in us that we take them for granted. Though they cannot be articulated very easily, this dimension of tacit knowledge shapes the way we perceive the world around us.

The four modes of knowledge creation or conversion that are derived from the two kinds of knowledge:

To tacit knowledge
To explicit knowledge
From tacit knowledge
From explicit knowledge

  • Socialization: from tacit to tacit. Sharing experiences to create tacit knowledge, such as shared mental models and technical skills. This also includes observation, imitation, and practice. However, "experience" is the key, which his why the mere "transfer of information" often makes little sense to the receiver.
  • Internalization: from explicit to tacit. Embodying explicit knowledge into tacit knowledge. Closely related to "learning by doing." Normally, knowledge is verbalized or diagrammed into documents or oral stories.
  • Externalization: from tacit to explicit. The quintessential process of articulating tacit knowledge into explicit concepts through metaphors, analogies, concepts, hypothesis, or models. Note that when we conceptualize an image, we express its essence mostly in language.
  • Combination,: from explicit to explicit. A process of systemizing concepts into a knowledge system. Individuals exchange and combine knowledge through media, such as documents, meetings, and conversations. Information is reconfigured by such means as sorting, combining, and categorizing. Formal education and many training programs work this way.
Artifacts derived from knowledge creation are facts, concepts, processes, procedures, and principles. These, in turn, are used to help create knowledge in others.

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