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trees better
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moment
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leftmost word becomes ROOT, the others become dep - which can be eliminated by cnclabels. This works fine for e.g. English prepositional and particle verbs. But it does not work if the 'main' word is not the leftmost one
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(gf2ud) add comments to CoNLL-U output
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when debbuging labels, I find it useful to have comments saying what's
the original sentence (lazy, I know) and the original tree (depending
on the treebank, the trees can be similar).
I know this is not the goal exactly, but UDv2 treebanks
(http://universaldependencies.org/format.html) should always have a
'text =' comment, and a 'sent_id =' comment (which would be easy to
implement too, but not that useful).
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CncConfiguration, e.g. @N Sg Pl. Default tag is Cat-offset, as defined for each Cat in pgf
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* In GHC 8.4.1, the operator <> has become a method of the Semigroup class
and is exported from the Prelude. This is unfortunate, since <> is also
exported from the standard library module Text.PrettyPrint, so in any
module that defines a pretty printer, there is likely to be an ambiguity.
This affects ~18 modules in GF. Solution:
import Prelude hiding (<>)
This works also in older versions of GHC, since GHC does't complain if
you hide something that doesn't exists.
* In GHC 8.4.1, Semigroup has become a superclass of Monoid. This means
that anywhere you define an instance of the Monoid class you also have to
define an instance in the Semigroup class.
This affects Data.Binary.Builder in GF. Solution: conditionally define
a Semigroup instance if compiling with base>=4.11 (ghc>=8.4.1)
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wildcards to concrete annotatations (see for instance english/LangEng.labels)
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words; TODO: dissolve clustered multiwords bound with +
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to cover the case where the list of arcs is empty
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+ The PGF service now reads and caches dependency label configuration files.
+ The grammar info returned by command=grammar has a new boolean field
'hasDependencyLabels' to indicate if dependency labels were found for
the grammar. Also, command=deptree will now fail if no labels are present.
+ The minibar only shows word dependency trees if labels are present.
+ Also changed the type of getDepLabels from [String] -> Labels to
String -> Labels, since all uses were in the form "getDepLabels . lines".
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This makes them look the same as SVG produced by graphviz
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This was done by introducing an intermediate representation for the LaTeX
pictures produced by the LaTeX renderer and providing a new backend that
outputs SVG instead of LaTeX.
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They seemed very difficult to use without the documentation, since their
types are not particularly self documenting.
Also documented what the (Bool,Bool) argument to PGF.graphvizAbstractTree
is for.
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using the max length for every word
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but as a service to the dependency parser community.
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eliminated most magic numbers
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familiar-looking output than the default graphviz, which can moreover be pasted into LaTeX documents. Some more work is needed to make long sentences look nice and fit on a page; a constant word length is now used to simplify computing the coordinates.
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dep#0 but assume it is the head
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for configuration. With -nocat option this shows reasonable dep trees, more familiar looking than the vd command. With -showfun flag, the tree gives a rather complete picture of the analysis of the sentence.
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shown with Chinese characters
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+ References to modules under src/compiler have been eliminated from the PGF
library (under src/runtime/haskell). Only two functions had to be moved (from
GF.Data.Utilities to PGF.Utilities) to make this possible, other apparent
dependencies turned out to be vacuous.
+ In gf.cabal, the GF executable no longer directly depends on the PGF library
source directory, but only on the exposed library modules. This means that
there is less duplication in gf.cabal and that the 30 modules in the
PGF library will no longer be compiled twice while building GF.
To make this possible, additional PGF library modules have been exposed, even
though they should probably be considered for internal use only. They could
be collected in a PGF.Internal module, or marked as "unstable", to make
this explicit.
+ Also, by using the -fwarn-unused-imports flag, ~220 redundant imports were
found and removed, reducing the total number of imports by ~15%.
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command in the shell now can linearize discontinuous phrases
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working with bracketed strings. This also fixes some errors in the old implementation
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Note that some of the graphviz functions have backwards incompatible changes
that might also affect other clients of the PGF run-time library.
Also added graphvizDefaults and export it together with GraphvizOptions from
the PGF run-time library.
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+ Make room for function names in the BracketedString data structure.
+ Fill in function names when linearizing an abstract syntax tree to a
BracketedString.
+ Fill in wildCId when it is not obvious what the function is.
+ Function bracketedLinearize: for compatibility with the other linearization
functions, return Leaf "" instead of error "cannot linearize".
+ Export flattenBracketedString from module PGF.
+ PGFServce: make function names available in the JSON representation of
BracketedString.
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