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what is a vivid knowledge base
原标题:

I read in an exam about knowledge representation the question:

What is a vivid knowledge base?

And I wonder about the answer. Google only gives me some links to books which I can buy about it or some CiteSeerX articles. Wikipedia also doesn t know anything about it.

Is there any good online article?

Is "vivid knowledge" a common term or is another term more common?

最佳回答

Another definition:

a first-order KB is vivid :<=>

for some finite set of positive function-free ground literals KB+ :

KB = KB+ ∪ Negations ∪ Domain closure ∪ Unique names


And another one:

a KB is vivid :<=>

KB is a complete and consistent set of literals (for some language)


To specify complete:

a KB is complete :<=> there is no formular α such that KB ⊭ α and KB ⊭ ¬α


To specify consistent:

a KB is not consistent :<=> its negation is a tautology

问题回答

Vivid Knowledge Representation and Reasoning

alt text

This article explains it a bit better: Vivid Knowledge and Tractable Reasoning: Preliminary Report

As far as I understand it, a vivid knowledge base is a knowledge base with a closed world assumption.

Please correct me if I am wrong.

Generally a collection of facts and rules is called a knowledge base





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what is a vivid knowledge base

I read in an exam about knowledge representation the question: What is a vivid knowledge base? And I wonder about the answer. Google only gives me some links to books which I can buy about it or ...

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