On Knowledge

Knowledge is the awareness and understanding of facts, truths or information gained in the form of experience or learning (a posteriori), or through introspection (a priori). Knowledge is an appreciation of the possession of interconnected details which, in isolation, are of lesser value.
en.wikipedia.org/wiki/Knowledge

What is known by perceptual experience and reasoning. For example, 1234567.89 is data; "Your bank balance has jumped 8087% to $1234567.89" is information; "Nobody owes me that much money" is knowledge; and "I'd better talk to the bank before I spend it because of what has happened to other people" is wisdom. [Free On-line Dictionary of Computing] Explicit knowledge is formal and codified, eg, documents, databases, knowledge bases... www.ichnet.org/glossary.htm

Epistemology, from the Greek words episteme (knowledge) and logos (word/speech) is the branch of philosophy that deals with the nature, origin and scope of knowledge. en.wikipedia.org/wiki/Knowledge_(philosophy)

cognition: the psychological result of perception and learning and reasoning wordnet.princeton.edu/perl/webwn

Organized or contextualised information which can be used to produce new meanings and generate new data.www.christlinks.com/glossary2.html

Knowledge can be considered as the distillation of information that has been collected, classified, organized, integrated, abstracted and value added. Knowledge is at a level of abstraction higher than the data, and information on which it is based and can be used to deduce new information and new knowledge. When considering knowledge it is usually in the context of human expertise used in solving problems.http://www.centc251.org/Ginfo/Glossary/tcglosk.htm