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Formal Language for Business Communication
FLBC Formal Language for Business Communication
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Using language Language can be used only to describe reality ?
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Speech acts To speak is to act
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Assertives An assertive is a speech act, whose purpose is to
convey information from one agent, the speaker, to another agent, the hearer - the cat is on the mat
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Directives A directive is a speech act, where the speaker requests
the hearer to carry out some action - Please bring me the salt
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Commissives A commissive is a speech act, whose purpose is to
commit the speaker to carry out some action - I promise to clean the floor
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Declaratives A declarative is a speech act, where the speaker
brings about some state of affairs - I hereby pronounce you husband and wife
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Expressives An expressive is a speech act, whose purpose is to
express the speaker’s attitude - I like coffee
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Summary of speech act types
Assertives - describe the world Directives - order someone to do something Commissives - promise to do something Declaratives - change the (social) world Expressives - express an attitude
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Act decomposition Utterance act Locutionary act Illocutionary act
The physical utterance (speech, body language,…) Locutionary act The meaning of the utterance Illocutionary act The act performed by the speaker (assertive, directive, …) Perlocutionary act The effect on the hearer
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An example Situation: Peter has asked John if he will buy today’s paper Locutionary act: John buys paper Illocutionary act: John promised to buy the paper (commissive) Perlocutionary act: Peter will not buy the paper OK Peter John Utterance act
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An exercise “Forbidden fruit is the tastiest”
Explain the difference between illocutionary and perlocutionary act
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F(P) The F(P) framework
An illocutionary act consists of the expression of the speaker’s attitude toward some proposition F(P) Propositional content Illocutionary force (assertive, directive, commissive, declarative, expressive)
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Examples Assertive(it is raining) Directive(pay me $100)
Commissive(buy today’s paper) Directive(declarative(convict the thief)) Commissive(directive(declarative(convict the thief)))
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FLBC notation Msg (Speaker, Hearer, IllocForce, PropContent)
Peter tells John that it is raining Tell (Peter, John, assert, it is raining) Peter promises John that he will cook the food Promise (Peter, John, commissive, cook the food)
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Övning lova(pelle, erik, commissive, diska i kväll)
be(åklagaren, domaren, request, uppmana(domaren, vittnet, request, besvara frågan)) förelägga(tjänstemannen, bostadssökanden, request, be(bostadssökanden, sambon, request, bekräfta(sambon, tjänstemannen, assert, sammanbott i fem år)
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Övning Uttryck följande i FLBC notation:
Kunden N.N. begär ersättning för nedbränt hus Skaderegleraren S.S. bestämmer ersättningsbeloppet för N.N.:s nedbrunna hus till Skaderegleraren S.S. lovar kunden N.N. att be inspektören P.P. intyga att N.N:s hus brunnit ned
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Övning Kunden N.N. begär ersättning för nedbränt hus
begäraErsättning(N.N., Försäkringsbolag, directive, utbetala för att ersätta nedbränt hus)
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Övning Skaderegleraren S.S. bestämmer ersättningsbeloppet för N.N.:s nedbrunna hus till bestämmerErsättning(S.S., N.N., declarative, ersättningsbeloppet blir )
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Övning Skaderegleraren S.S. lovar kunden N.N. att be inspektören P.P. intyga att N.N:s hus brunnit ned lova(S.S., N.N., commissive, be(S.S., P.P., request, intyga(P.P., S.S., assert, N.N:s hus har brunnit ned))
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Övning Skaderegleraren S.S. ber inspektören P.P. att intyga att N.N:s hus brunnit ned ber(S.S., P.P., request, intyga(P.P., S.S., assert, N.N:s hus har brunnit ned))
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Action workflow loop Request Negotiation Acknowledgment Execution
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Action workflow loop Sales order Order accepted Plant order Order
Payment Delivery Delivery Acknowledgement
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Interaction diagram Customer Sales Plant directive(delivery1)
commissive(delivery1) directive(delivery2) commissive(delivery2) delivery2 assertive(delivery2-done) delivery1 assertive(delivery1-done)
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Ett scenario En kund begär skadeersättning. Skaderegleraren tar emot denna begäran och meddelar kunden att detta kommer att ske. Därefter ber han en inspektör att undersöka om kundens uppgifter är riktiga. Då detta är gjort beslutar han om skadeersättningens storlek och gör utbetalningen, som skall bekräftas av kunden.
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Scenariot i ett interaktionsdiagram
Kund Skadereglerare Inspektör directive(betalaErsättning) commissive(betalaErsättning) directive(kontrollera) commissive(kontrollera) kontrollera assertive(kontrolleraOK) declarative(bestämErsättning) betalaErsättning assertive(betalaErsättningOK)
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BML diagrams A BML diagram is a state diagram where messages can be added to the arcs. We can use the F(P) framework to describe the messages.
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State diagram
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State diagram with messages
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An exercise Suggest rules of the forms:
If a diagram contains an XXX message, than it must be followed by a YYY message If a diagram contains an XXX message than it can be followed by a YYY or a WWW message Or other rules... (XXX, YYY, WWW are illocutionary forces)
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