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Chapter 7 Communication

Chapter 7 Communication. CSE 431 – Intelligent Agents. KQML Structure. (<KQML- performative > :sender <word> :receiver <word> :language <word> :ontology <word> :content <expression> ). How is the content expressed?. What vocabulary is used in the content?. KQML Example.

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Chapter 7 Communication

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  1. Chapter 7Communication CSE 431 – Intelligent Agents

  2. KQML Structure (<KQML-performative> :sender <word> :receiver <word> :language <word> :ontology <word> :content <expression>) How is the content expressed? What vocabulary is used in the content?

  3. KQML Example (tell :sender Agent1 :receiver Agent2 :language KIF :ontology Blocks-World :content (AND (Block A) (Block B) (On A B))) Agent1 tells Agent2 that block A is on block B

  4. KQML Performatives (1) • basic query / requests • evaluate: S wants R to evaluate (simplify) C • ask-one: S wants one of R’s answers to question C • ask-all: S wants all of R’s answers to question C • ask-about: S wants all relevant sentences in R’s VKB • achieve: S wants R to make something true of their environment • response • reply: communicates an expected reply • sorry: S cannot provide a more informative reply

  5. KQML Performatives (2) • generic information • tell: S claims to R that C is in S’s VKB • untell: S claims to R that C is not in S’s VKB • multi-response query • stream-all: multiple response version of ask-all • stream-about: multiple response version of ask-about • monitor: S wants updates to R’s response to a stream-all • eos: end of a stream response to an earlier query

  6. KQML Performatives (3) • generator • standby: S wants R to be ready to respond to a performative • ready: S is ready to respond to R’s previously mentioned performative • next: S wants R’s next response to a previously mentioned performative • rest: S wants R’s remaining responses to a previously mentioned performative

  7. KQML Performatives (4) • capability definition • advertise: S claims to be suited to processing a performative • subscribe: S wants updates to R’s response to a performative • networking • register: S can deliver performatives to some named agent • unregister: undo a register • forward: S wants R to forward a message to another agent • broadcast: S want R to send a performative over all connections

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