[Olympus developers 20]: [Fwd: binding filters]

Brian Langner blangner+ at cs.cmu.edu
Thu May 1 12:22:51 EDT 2008


The group from Columbia that's building an Olympus system has a question 
regarding binding filters - can someone help answer?

Brian


> -------- Original Message --------
> Subject: binding filters
>
>
> I'm still trying to understand how exactly do binding filters work 
> within the dialog manager.
> The only example that I have is MeetingLine, and I see that it declares:
>
>     USE_BINDING_FILTERS(
>         // the date-time binding filter
>         BINDING_FILTER("datetime", DateTimeBindingFilter)
>     )
>
> however I don't quite understand where else in the code it is used.
> My understanding is that the user in MeetingLine can only ask about 
> the last meeting or the previous meeting. There is no date or time 
> input by the user... so is the binding filter used? where? how?
>
> Do you have code examples that I can look at where the user is 
> actually speaking a date or number so I can see in the corresponding 
> request agent how that is handled and how the binding filter is 
> actually called?
>
> Is there any documentation on how BINDING_FILTER() works?
> In the BindingFilters.cpp code there are comments referring to some 
> documentation, but in the version of MeetingLine we got from the 
> repository the Documentation folder in the solution is empty. Do you 
> have that file? Would that help and if so could you send it to me?
>
>




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