Metaknowledge or meta-knowledge is knowledge about a preselected knowledge.
It is relative concept, it means, if K is a knowledge about a domain D, and K' is a knowledge
about D', then if D'= K then K' is a meta-knowledge [1].
K can be analyzed and used from different points of view therefore we may have different meta-knowledge related to the same domain.
From the systemic perspective, generalized meta-knowledge is domain-independent knowledge which performs or enables operations on every another more or less specific domain-dependent knowledge in different domains/areas of human activities.
For the reason of different definitions of knowledge in the subject matter literature, meta-information is or is not included in meta-knowledge. Detailed cognitive, systemic and epistemic study of human knowledge requires a distinguishing of these concepts. but in the common language knowledge includes information, and, for example, bibliographicdata are considered as a meta-knowledge.
Meta-knowledge is a fundamental conceptual instrument in such research and scientific domains as, knowledge engineering, knowledge management, and others dealing with study and operations on knowledge, seen as a unified object/entities, abstracted from local conceptualizations and terminologies.
Examples of the first-level individual meta-knowledge are methods of planning, modeling, learning and every modification of a domain knowledge. The procedures, methodologies and strategies of teaching, coordination of e-learning courses are individual meta-meta-knowledge of an intelligent entity (a person, organization or society).
Of course, universal meta-knowledge frameworks have to be valid for the organization of meta-levels of individual meta-knowledge.
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