Moses-support Digest, Vol 121, Issue 28

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Today's Topics:

1. How to refresh phrase tables after updating FF weights?
(Lane Schwartz)


----------------------------------------------------------------------

Message: 1
Date: Sun, 13 Nov 2016 19:34:12 -0600
From: Lane Schwartz <dowobeha@gmail.com>
Subject: [Moses-support] How to refresh phrase tables after updating
FF weights?
To: "moses-support@mit.edu" <moses-support@mit.edu>
Message-ID:
<CABv3vZ=2-1VDsLwSq_TCufORZv_baikfu_zknm3qj4gLJ8nVjA@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi,

I'm working on some interactive code to enable feature function weights to
be updated in mosesserver via XML-RPC calls from a client.

One issue that I'm running into (as noted in a comment in XmlOption.cpp),
is that the phrase tables tend to do some calculations when the decoder
starts up, using the FF weights that are available at that time. My problem
is that when those weights are later updated, the scored values are already
locked into the phrase table entries.

I'm looking for advice on the best way to force the phrase tables to
re-calculate any such calculations that need to be re-done after feature
function weights have been updated. Any advice would be appreciated.

Thanks,
Lane
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