[developers] Interactive MT not working on KNOPPIX+LKB

[Emily M. Bender]

Dear Woodley,

Right --- and you even pointed this out in class on Monday.
Yes, that fixes the problem.  The dogs are now sleeping in Italian
as well (cani dorm-ono!).

I'd be interested in any insight on what changed --- I guess
my eng and ita grammars (as well as the current customization
system) are out of sync with some assumptions in the lkb,
but whatever changed in the distro that we have on KNOPPIX+LKB
isn't in the LOGON version that Ned's using?

Thanks again,
Grazie,
Emily

On Tue, May 21, 2013 at 10:07 PM, Woodley Packard
<sweaglesw at sweaglesw.org>wrote:

> Dear Emily,
>
> I believe the problem is the empty characterization <>'s after the EP
> names in the MRS output from the source grammar.  Have you tried adding the
> following to lkb/mrsglobals.lsp on the source side?
>
> (setf *show-lnk-p* nil)
>
> This worked for me, on KNOPPIX+LKB.
> -Woodley
>
> On May 21, 2013, at 9:46 PM, Emily M. Bender wrote:
>
> Dear all,
>
> We've gotten to the MT portion of Ling 567 at UW, and discovered
> that the MT set up on the KNOPPIX+LKB system isn't working.  Specifically:
>
> I have the students start with and eng<>ita pair that I know works.
> (And Ned at least has it working on LOGON trunk currently.)  They
> set up two emacsen, load the source and target grammars, and start
> the generator server on the target side.  The values for *translate-grid*
> are set appropriately.
>
> When we parse a sentence in the source grammar and select "rephrase",
> the target side emacs reports "read 0 MRSs are generator input".  I've
> seen this work with exactly this pair of grammars in past years (and
> Ned is seeing it work this year), so I suspect the problem has something
> to with the file encoding of the .translate.<user>.<iso> file.  I've
> captured one of those by turning off the generator server, and it is
> attached.
> (I had to rename it to be able to upload it into gmail for some reason;
> the actual file name was as expected.)
>
> Another symptom is that Generate | Display input MRS does nothing,
> which suggests that the MRS isn't properly imported --- the grammar doesn't
> get a chance to try generating from it.  For completeness, I put the same
> grammar (eng) on both sides (and updated *translate-grid* appropriately).
> Same behavior.
>
> Here is a little bit more info:
>
> LKB(5): (trace mrs::read-mrss-from-file)
> (MRS::READ-MRSS-FROM-FILE)
> LKB(6):
>  0[5]: (MRS::READ-MRSS-FROM-FILE #P"/home/ubuntu/tmp/.transfer.ubuntu.ita")
>  0[5]: returned NIL #<SIMPLE-ERROR @ #x4bea3d6a>
>
> [21:32:27] translate(): read 0 MRSs as generator input.
> LKB(6): (trace mrs::read-mrs-stream)
> (MRS::READ-MRS-STREAM)
> LKB(7):
>  0[5]: (MRS::READ-MRSS-FROM-FILE #P"/home/ubuntu/tmp/.transfer.ubuntu.ita")
>    1[5]: (MRS::READ-MRS-STREAM #<EXCL:FILE-SIMPLE-STREAM
>                                  #P"/home/ubuntu/tmp/.transfer.ubuntu.ita"
> for input pos 0
>                                  @ #x4beb10a2>)
>    1[5]: returned-by-throwing to tag IGNORE-ERRORS-1: NIL
>            #<SIMPLE-ERROR @ #x4beb3d12>
>  0[5]: returned NIL #<SIMPLE-ERROR @ #x4beb3d12>
>
> [21:33:41] translate(): read 0 MRSs as generator input.
> LKB(7):
>
> Any ideas on what might be going on here, and what kind of work-around I
> can offer the students?
>
> Many thanks,
> Emily
>
> --
> Emily M. Bender
> Associate Professor
> Department of Linguistics
> Check out CLMS on facebook! http://www.facebook.com/uwclma
> <dot.transfer.ubuntu.ita>
>
>
>


-- 
Emily M. Bender
Associate Professor
Department of Linguistics
Check out CLMS on facebook! http://www.facebook.com/uwclma
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