derivation tree
Parsing preferences with Lexicalized Trey Adjoining Grammars exploiting the derivation tree
... Figure 3 shows that principle 3 predicts the preferred derivation tree for e : "to be honest" argument of "prefer", ruling out 'to be honest" as sentence modifier i.e.. "To be honest, he[r] ...
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Forced Derivation Tree based Model Training to Statistical Machine Translation
... forced derivation tree (FDT) of a sentence pair { f, e } denotes a derivation tree that can translate f into its accurate target translation ...their derivation and alignment ...
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Transforming Dependency Structures to LTAG Derivation Trees
... Thus, a parser takes as input a grammar and a sentence. Because the LTAG chart-based parser has a high complexity, a standard approach is to use a pipeline system. First, a labeler assigns a single elementary tree ...
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Using Derivation Trees for Informative Treebank Inter Annotator Agreement Evaluation
... different derivation tree fragments used for the comparison of its instances, including POS tags but not the ...of derivation tree fragments (a1,a2,a3) and (b1,b2,b3) from (2ab), with the POS ...
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Computational Complexity and Lexical Functional Grammar
... The tree is obviously required because the feature checking machinery propagates values according to the links specified by the derivation tree; the assignment of terminal items to categ[r] ...
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From Partial VP Fronting towards Spinal TT MCTAG
... head tree. In return, the shape of the derivation tree had to be modified, replacing atomic node labels by chains, which correspond to the non-embedding na- ture of the fusion ...
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Idioms and extended transducers
... these derivation trees into the objects (sounds, and meanings) that they are the derivations ...between derivation tree and derived object be not a simple transduction, but rather an extended one in ...
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Syntax Analysis
... • starts at the root of derivation tree and fills in • picks a production and tries to match the input • may require backtracking. • some grammars are backtrack-free ( predictive )[r] ...
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Subgrammars, Rule Classes and Control in the Rosetta Translation System
... There is in general a set of syntactic derivation trees corresponding to each semantic derivation tree, because a basic meaning may correspond to various basic expressions and a meaning [r] ...
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Tree Unification Grammar
... Associated with every linguistic expression is a derivation tree which describes how the sign corresponding to the complete expression is derived from grammar rules operating over signs [r] ...
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Coordination in TAG without the Conjoin Operation
... a derivation tree in which the shared arguments are combined with multiple elementary trees, and a derived tree in which the shared arguments are dominated by multiple verbal ...Synchronous ...
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Gapping through TAG derivation trees
... A -daughters of de-anchored nodes must be de- anchored as well. A solution could be to enable the optionality of the de-anchoring of adverbs. This would make it necessary to have access to a distinc- tive feature of ...
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A Sound and Complete Left Corner Parsing for Minimalist Grammars
... 1: Derivation tree from G1 on the left, and corresponding X-bar derived tree on the ...the derivation tree, the binary internal nodes are applications of merge rules, while the unary ...
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An ACG Analysis of the G TAG Generation Process
... TAG derivation tree can be seen as a record of the substitutions and adjunc- tion occurring during a TAG ...g-derivation tree. However, while TAG derivation trees are considered as a ...
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PAGELEARN: Learning Semantic Functions of Attribute Grammars in Parallel
... Semantic rules induce dependences between at- tributes. These dependences can be presented by a dependency graph, from which partial or- dering relations are implied. From these partial orderings the evaluation order of ...
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Toward More Precision in Correction of Grammatical Errors
... The derivation tree produced by a parser using this grammar identifies the location and type of an error in an ill-formed sentence, enabling a post- processing script to use the tree and the in- ...
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Using LTAG Based Features in Parse Reranking
... LTAG derivation tree for each parse tree under consideration by the ...the derivation tree simultaneously from the parse trees produced by an n-best statistical ...this tree we ...
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Delayed Tree Locality and the Status of Derivation Structure
... TAG derivation structures (interpreted in the form of dependency structures) can be the basis for measuring complexity and a means for assessing coverage of large scale corpora, but they steer away from claims ...
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Tree parsing with synchronous tree adjoining grammars
... enriched derivation tree is a modified derivation tree in which the labels have the form (ρ, c) for some rule ρ and some decoration map- ping c; c maps every position of the input tree ...
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Generating LTAG grammars from a lexicon/ontology interface
... The complete set of grammar entries finally constitutes a domain-specific grammar that can be used for parsing and interpretation. We demonstrate this by feeding it into our question answering system Pythia. (For the ...
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