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Added note that lattice weights are log probabilities
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mjpost committed Aug 23, 2013
1 parent 55a1d39 commit bcc42668af3d57218ffbbcdf560e711672416387
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@@ -317,9 +317,10 @@ where the indices correspond to the order of the language model declaration line

### Lattice decoding

In addition to regular sentences, Joshua can decode weighted lattices encoded in [the PLF
format](http://www.statmt.org/moses/?n=Moses.WordLattices). Lattice decoding was originally added
by Lane Schwartz and [Chris Dyer](http://www.cs.cmu.edu/~cdyer/).
In addition to regular sentences, Joshua can decode weighted lattices encoded in
[the PLF format](http://www.statmt.org/moses/?n=Moses.WordLattices), except that path costs should
be listed as <b>log probabilities</b> instead of probabilities. Lattice decoding was originally
added by Lane Schwartz and [Chris Dyer](http://www.cs.cmu.edu/~cdyer/).

Joshua will automatically detect whether the input sentence is a regular sentence (the usual case)
or a lattice. If a lattice, a feature will be activated that accumulates the cost of different

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