[developers] post-reduction lexical gap

[Olga Zamaraeva]

Hi Woodley,

At a risk of asking a basic question: What does a lexical gap mean?

Thank you,
Olga
On Tue, Dec 19, 2017 at 9:35 PM Woodley Packard <sweaglesw at sweaglesw.org>
wrote:

> Hi all,
>
> This means ACE encountered a lexical gap.  It should not be a rare
> occurrence, at least on non-toy data.
>
> Best, Woodley
>
>
>
> On Dec 19, 2017, at 1:21 PM, Stephan Oepen <oe at ifi.uio.no> wrote:
>
> hi olga,
>
> this looks like an error message from the parsing client, not [incr
> tsdb()] proper.  i would guess maybe ACE?  if so, woodley will likely be
> able to shed more light on this question :-).
>
> best, oe
>
>
> On Tue, 19 Dec 2017 at 19:19 Olga Zamaraeva <olzama at uw.edu> wrote:
>
>> Dear developers,
>>
>> What does the message "post-reduction lexical gap" mean in the context of
>> adding an [ incr tsdb() ] profile for regression testing to the Grammar
>> Matrix?
>>
>> Here's the type of line that we sometimes see in home/gold/mytest/parse
>>
>> 10 at 1@10 at -1@0 at -1@0 at 0@-1 at 0@0 at -1@0 at -1@-1 at -1@-1 at -1@-1 at -1@-1 at -1@-1 at 0@0 at 0@0 at 0
>> @-1 at -1@-1 at -1@34728 at -1@-1 at -1@23-6-2013 14:28:24 at post-reduction lexical
>> gap@
>>
>> This seems problematic but we don't really know what it is at this point.
>>
>> (Here's a related topic on Discourse:
>> https://delphinqa.ling.washington.edu/t/no-parses-when-adding-regression-tests/81/7
>> )
>>
>> Thank you,
>> Olga
>>
>
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