ARTIFICIAL INTELLIGENCE EXAM 7 QUESTION AND ANSWER
Knowledge-based agents - Agents which use processes of REASONING which operate on
internal REPRESENTATIONS of knowledge.
Knowledge Base - The central component of a knowledge based agent. Is a set of SENTENCES
knowledge representation language - How SENTANCES are expressed in the KBA's Knowledge
Base.
Axiom - A base/key sentence in a KBA's knowledge base. Is true without the support of other
sentences.
Declarative approach - The approach where the the agent designer TELLs sentences one by one
until the agent knows how to operate.
Proceedural Approach - the approach where desired behaviors are encoded directly
Syntax - How the sentences in a agent's knowledge base are represented and interact with one
another. ex. x4y> is not ___ally correct.
Semantics - How the "meaning" of the sentences in an agent's knowledge base are defined.
(Truth value with respect to the model in question)
Entailment - When a sentence follows logically from the truth value of another sentence within
the given model.
Propositional Logic - a branch of formal, deductive logic in which the atomic sentence is the
proposition (i.e. P,Q,R etc.)
