Báo cáo khoa học: "Blocked Inference in Bayesian Tree Substitution Grammars" potx

Báo cáo khoa học: "Native Language Detection with Tree Substitution Grammars" pptx

... labelsthat allows us to bring the power of supervised ma-chine learning techniques to bear on this task. In this work we explore the possibility of automaticallyinduced Tree Substitution Grammar ... features in a logistic regression model to per-form grammaticality detection.3 Tree Substitution Grammars Tree Substitution Grammars are similar to ContextFree Grammars, differing in that they ... un-derlying technique, but caches the shared fragmentsinstead of simply counting them. This yields a setof fragments where each member is guaranteed toappear at least twice in the training set.In...

Tài liệu Báo cáo khoa học: "Semantic Parsing with Bayesian Tree Transducers" doc

... gener-ating both the input and output, rather than the usualview of mapping input trees into output strings. Ajoint distribution allows us to model with a singlemachine both the input and ... is paired with in training.subtree variable w1, indicating that nothing is gener-ated in the MR. Rule 7 subsequently generates thesesubtrees as W symbols, marking corresponding lo-cations ... appears in x. In EM, we are in- terested in the point estimate for θ that maximizesp(Y, W|θ), where Y and W are the N input-outputpairs in the training data. In the Bayesian setting,however,...

Báo cáo khoa học: "Generalized Interpolation in Decision Tree LM" doc

... Decision TreesThe vast context space in a language model man-dates the use of context clustering in some form. In n-gram models, the clustering can be represented asa k-ary decision tree of ... generalize the interpolation scheme which, as weshow in Section 6, allows us to ﬁnd a better solution in the face of the violation of Property 5.4 Linear InterpolationWe use linear interpolation ... will not be observed in the train-ing data, making parameter estimation cumbersome.Therefore, we propose the following parameteriza-tion for the interpolation of decision tree models:˜pn(wi|wi−1i−n+1)...

Báo cáo khoa học: "Plans, Inference, and Indirect Speech Acts I" potx

... conditions in the second inference above. S might also infer that A ham a goal of achieving not P. This is another possible inference. Which applies in a given setting is detemlned by the rating ... is simply that in the latter, S believes that A intended S to make the inferences above and deduce the goal (q,f). Thus the inferences applied above were actually augmented inferences as described ... precondition-action Inference (not shown). S can then infer, using the action-effect inference, that (4.f) A wants to know the departure time. S'S response (~.b) indicates that ha believed...

Tài liệu Báo cáo khoa học: "Prefix Probabilities from Stochastic Tree Adjoining Grammars*" pptx

... the inside probabil- ity of all possible trees derived from elementary tree t, having the indicated span over the input. This is decomposed into the contribution of each single node of t in ... 4.3 Off-line Equations In this section we derive equations for function Po~t,r introduced in §4.2 and deal with all re- maining cases of equations that cause infinite recursion. In some ... a set of nonterminal symbols, E is a set of terminal symbols, 2: is a set of initial trees and .A is a set of auxiliary trees. Trees in :TU.A are also called elementary trees. We refer...

Tài liệu Báo cáo khoa học: "A rich environment for experimentation unification grammars" potx

... binding of name segments path- A particular article of faith which has been very influen- tial in our work has been the conviction that well-designed programming languages (includ- ing ... syntactic abstrac- in unraveling the German separable Loctype is a rudimentary encoding of Actionsart. Subcat contains all the information necessary for mapping - 186- instances of verbs ... tunate decision in view of the tremendous increase in expres- siveness which these con- structs can give. (Inciden- tally, they can be introduced, as in ud, without compromising declarativeness...

Tài liệu Báo cáo khoa học: "Long-Distance Scrambling and Tree Adjoining Grammars" doc

... adjoin trees from the same set into each other. Thus, we can interpret TAGs with relaxed dominance as MC-TAGs, by identifying subtrees containing only ID relations with trees in an MC-TAG tree ... need to introduce an additional constraint: the foot node of the first tree (~1) in the tree set of Figure 3 has to dominate the root node of the second tree (~z) after adjoining the tree set. ... movement. In order to capture these, we introduce two linguistically motivated constraints, the integrity constraint and the inheritance constraint. The integrity constraint, written...

Tài liệu Báo cáo khoa học: "BIDIRECTIONAL PARSING OF LEXICALIZED TREE ADJOINING GRAMMARS" pdf

... parsing meth- ods, it could be relevant from the perspective of linguistic information processing, because it em- ploys lexical information in a more direct way. 1. Introduction Tree Adjoining ... following definition of TAGs. Definition 1 A Tree Adjoining Grammar (TAG) is a 5-tuple G=(VN, Vy, S, l, A), where VN is a finite set of non-terminal symbols, Vy is a finite set of terminal ... TAGs, in (Schabes et al., 1988) a two step algorithm has been presented: during the first step the trees corresponding to the input string are selected and in the second step the input string...

Tài liệu Báo cáo khoa học: EGF receptor in relation to tumor development: molecular basis of responsiveness of cancer cells to EGFR-targeting tyrosine kinase inhibitors docx

... carcinomas; IAP, inhibitor of apoptosis protein; JNK, c-Jun NH2-terminal kinase; KIP, kinase inhibitor proteins; MEK,MAPK ⁄ ERK kinase; MKK, MAPK kinase; MKP-1, mitogen-activated protein kinase ... JapanIntroductionThe epidermal growth factor receptor (EGFR) is com-posed of an extracellular ligand-binding domain, atransmembrane domain and an intracellular tyrosinekinase domain. The binding ... CIP1is involved in geﬁtinib-induced growthinhibition in HNSCC [58]. Another group of cell-cycleregulatory molecules – those of the INK4 family – hasalso been implicated in geﬁtinib-induced inhibition...

Tài liệu Báo cáo khoa học: How disorder inﬂuences order and vice versa – mutual effects in fusion proteins containing an intrinsically disordered and a globular protein docx

... (2008) Mappingalpha-helical induced folding within the intrinsically dis-ordered C-terminal domain of the measles virus nucleo-protein by site-directed spin-labeling EPR spectroscopy.Proteins 73, ... B, Finet S &Longhi S (2005) The intrinsically disordered C-terminaldomain of the measles virus nucleoprotein interacts withthe C-terminal domain of the phosphoprotein via twodistinct ... predicting protein binding regions in disordered proteins. Bioinformatics 25, 2745–2746.41 Uversky VN (2002) Natively unfolded proteins: a pointwhere biology waits for physics. Protein Sci...

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