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Re: Grounding puzzle

From: Yuzhong Qu <yzqu@seu.edu.cn>
Date: Fri, 3 Oct 2003 23:09:09 +0800
Message-ID: <000901c389c0$4c0ef280$fc0b77ca@xobjects>
To: <www-ws@w3.org>

[Drew McDermott]
>    > What is a successful query event?  One that terminated, one that got
>    > the right answer, ...?  In any event, surely the query was successful
>    > if after receiving the answer one knows that the result returned by
>    > Friendly DB, Inc. is the phone number of the person inquired about.
>    [Yuzhong Qu]
>    I meant that the event recording should be taken place at the
>    service endpoint as an effect.
>    The record may contain the event time, which ssn is required, the
>    phone number is found and returned, etc. It's not related with the
>    decision issue of whether or not the answer (returned phone number)
>    is right. I think it's another issue, and should be represented by
>    another process.
> Maybe.  It depends on who needs to know and in what context.  If the
> main objective is to design an algorithm that uses web services to
> accomplish goals, then the details of message events (sends and
> receives) may be unimportant.

Yes,it depends. The above mentioned effect is just my guess, the rationale is as follows:

1) Because the ssn is involved, a companion process may be setup to provide some tracking functionality.

2) The designer of the query process should let the user know that the event recording would be taken place as an effect of the query. 

I agree that the deatils is not important to this thread.

>                                              -- Drew McDermott
>                                                 Yale University CS Dept.


Yuzhong Qu
Received on Friday, 3 October 2003 11:08:12 UTC

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