What is structured knowledge?
a. any knowledge that is in a structured format recognized by computer.
b. explicit knowledge that exists in sql format.
c. tacit knowledge that exists in sql format.
d. tacit knowledge that exists in formal documents.
e. explicit knowledge that exists in formal documents, as well as in formal rules.

Explicit knowledge that exists in formal document, as well as formal rules

Explanation:

The term structure reflects that the document should be organised in proper format according to the rules.

That why option 'E' is the best choice for structured knowledge explanation.

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