[PDF] Top 20 Insertion Operator for Bayesian Tree Substitution Grammars
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Insertion Operator for Bayesian Tree Substitution Grammars
... an insertion operator in ...for insertion are referred to as auxiliary trees. An auxiliary tree includes a special nonterminal leaf node labeled with the same sym- bol as the root ...of ... See full document
6
Nonparametric Bayesian Inference and Efficient Parsing for Tree adjoining Grammars
... expressive grammars such as TSGs where exponentially many derivations may be hypothesized of the data, local Gibbs sam- pling is insufficient for effective inference and global blocked sampling strategies will be ... See full document
7
Inducing Compact but Accurate Tree Substitution Grammars
... TSG grammars in a PCFG would be ...of Bayesian nonparametric tree-substitution ...Adaptor Grammars require that each sub-tree expands completely, with only termi- nal symbols as ... See full document
9
Estimating Compact Yet Rich Tree Insertion Grammars
... a Bayesian nonparametric model for estimating tree insertion grammars (TIG), building upon recent work in Bayesian in- ference of tree substitution grammars (TSG) ... See full document
5
Judging Grammaticality with Count Induced Tree Substitution Grammars
... In this work, we further examined TSGs as useful judges of grammaticality for written English. Us- ing an iterative, count-based approach, along with the most likely PCFG parse, we were able to train a discriminative ... See full document
6
Unsupervised Induction of Tree Substitution Grammars for Dependency Parsing
... dependency grammars, have typically used very simplistic models (Clark, 2001; Klein and Manning, 2004), especially in com- parison to supervised parsing models (Collins, 2003; Clark and Curran, 2004; McDonald, ... See full document
10
Judging Grammaticality with Tree Substitution Grammar Derivations
... such grammars (exponential in the size of the training data) forces either implicit representations (Goodman, 1996; Bansal and Klein, 2010) — which do not permit arbitrary probability distributions over the ... See full document
6
Native Language Detection with Tree Substitution Grammars
... We contrast three different TSG feature sets in our experiments. First, to provide a baseline, we sim- ply read off the CFG rules from the data set (note that a CFG can be taken as a TSG with all frag- ments having depth ... See full document
5
Multiword Expression Identification with Tree Substitution Grammars: A Parsing tour de force with French
... The MWE representation in the FTB is close to the one proposed in the Lexicon-Grammar (Gross, 1986). In the Lexicon-Grammar, MWEs are classi- fied according to their global POS tags (noun, verb, adverb, adjective), and ... See full document
11
Bayesian Synchronous Tree Substitution Grammar Induction and Its Application to Sentence Compression
... elementary tree pairs to maximize the prob- ability of the training data under that model; the simplest exemplar of this approach uses expecta- tion maximization (EM) (Dempster et ...each tree pair in the ... See full document
11
Tree parsing with synchronous tree adjoining grammars
... context-free grammars (SCFG) that derive pairs of translationally equivalent ...use tree-to-string transducers (called xRLNS) that describe pairs of the form (phrase- structure tree, ...synchronous ... See full document
12
Blocked Inference in Bayesian Tree Substitution Grammars
... of tree fragments efficiently, allowing us to build a sampler with considerably better mix- ing properties than a local Gibbs ...hierarchical Bayesian mod- els have been proposed which would also permit ... See full document
6
Inducing Tree-Substitution Grammars
... free grammars and first order dependency grammars, which are not sufficiently expressive to model many common linguistic ...probabilistic tree substitution grammar, a formalism which allows ... See full document
44
Bayesian Symbol Refined Tree Substitution Grammars for Syntactic Parsing
... in tree substitution grammar (TSG) as an alter- native to CFG for modeling syntax trees (Post and Gildea, 2009; Tenenbaum et ...large tree fragments. These tree frag- ments have great ... See full document
9
A Decoder for Probabilistic Synchronous Tree Insertion Grammars
... ping ϕ (see an example after Theorem 1); this creates appropriate state-variable combinations for all substitution sites and potential adjoining sites of r. In particular, the source component of the ... See full document
9
D Tree Substitution Grammars
... In this paper, we describe a formalism based on tree descriptions called d-tree substitution grammars DSG.. 5 The elementary tree descriptions in DSG can be used to describe lexical item[r] ... See full document
36
Node based Induction of Tree Substitution Grammars
... create grammars that include every pos- sible rule that could have generated a corpus (Bod and Scha, ...the tree- substitution grammar are simply all subtrees of all the trees in the training ... See full document
8
Accurate Parsing with Compact Tree Substitution Grammars: Double DOP
... When looking at the extracted fragments we ask if we could have predicted which fragments occur twice or more. Figure 3 attempts to tackle this ques- tion by reporting some statistics on the extracted fragments. The ... See full document
12
MoL 2007 23: Towards simpler tree substitution grammars
... We then read off a PCFG from the elementary trees taking into consideration the original frequencies. In this way the PCFG is equivalent to the original STSG: it will produce exactly the same treess with the same ... See full document
93
Building factorized TAGs with meta grammars
... filtering techniques (such as suppertagging), one may cite the factorization of common sub-trees us- ing automata (Carroll et al., 1998) or the possibility to attach, modulo regular expressions, several pos- sible ... See full document
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