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remnant: remnant in ellipsis

The remnant relation is used to provide a satisfactory treatment of certain instances of ellipsis (in the case of gapping and stripping, where a predicational or verbal head gets elided).

Pavel si objednal hovězí a Markéta vepřové . \n Pavel himself ordered beef and Markéta pork .
nsubj(objednal, Pavel-1)
nsubj(ordered, Pavel-10)
dobj(objednal, hovězí)
dobj(ordered, beef)
remnant(Pavel-1, Markéta-6)
remnant(Pavel-10, Markéta-15)
remnant(hovězí, vepřové)
remnant(beef, pork)

Diffs

Prague Dependency Treebank

At present the conversion of the PDT data to UD does not handle ellipsis properly and the remnant relation is not used.

In the analytical layer of PDT, ellipsis (together with some other issues, such as the vocative) is signalled by the dependency relation ExD (ex-dependent). All the ExD relations that are not vocatives or comparatives are currently just re-labeled dep or root.


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