Báo cáo khoa học: "LICENSING AND TREE ADJOINING GRAMMAR IN GOVERNMENT BINDING PARSING" pdf

... LICENSING AND TREE ADJOINING GRAMMAR IN GOVERNMENT BINDING PARSING Robert Frank* Department of Computer and Information Sciences University of Pennsylvania ... constrained to the domain determined by a Tree Adjoining Grammar elementary tree. All dependencies and constraints are lo- caiized within this bounded structure. The resultant parser operates in ... all chains are required to be localized in indi- vidual elementary tree. Once an elementary tree is fin- ished, non-licensing constraints are checked and it is sent off for semantic interpretation....

Báo cáo khoa học: "Unifying Synchronous Tree-Adjoining Grammars and Tree Transducers via Bimorphisms" pptx

... synchronous tree- adjoining grammars and tree transducers in thesingle overarching framework of bimor-phisms, continuing the uniﬁcation ofsynchronous grammars and tree transduc-ers initiated ... tree- adjoining grammars,providing a further uniting of the various and dis-parate formalisms.After some preliminaries (Section 1), we be-gin by recalling the deﬁnition of tree- adjoining grammars ... elements (e.g., xi) are taken generically.2 Tree- Adjoining Grammars Tree adjoining grammar (TAG) is a tree gram-mar formalism distinguished by its use of a tree adjunction operation. Traditional...

Báo cáo khoa học: "Bayesian Synchronous Tree-Substitution Grammar Induction and its Application to Sentence Compression" pdf

... (Eisner, 2003) or tree- adjoining grammars may better capture the pair-ings. In this work, we explore techniques for inducingsynchronous tree- substitution grammars (STSG)using as a testbed ... grammars using the Inside-Outside algorithm. Computer Speech and Lan-guage, 4:35–56.Ding Liu and Daniel Gildea. 2009. Bayesian learn-ing of phrasal tree- to-string templates. In Proceed-ings ... comparison across do-mains, training requirements and evaluation mea-sures. In Proceedings of the 21st International Con-ference on Computational Linguistics and 44th An-nual Meeting of the Association...

Báo cáo khoa học: "Encoding Lexicalized Tree Adjoining Grammars with a Nonmonotonic Inheritance Hierarchy" potx

... various input and output paths have to be linked together using inheritance, creating a chain of inheritances between the base, that is, the canonical definitions we introduced in section 3, and ... Saarlandes. Tflman Becker. 1994. Patterns in metarules. In Pro- ceedings of the Third International Workshop on Tree Adjoining Grammars, 9-11. Doris Bleiching. 1992. Prosodisches wissen in ... "inherit everything from the definition of VERB", and a line such as <parent> == PPTREE:<> as "inherit the parent subtree from the de- finition of PPTREE'. Inheritance...

Báo cáo khoa học: "Extraction of Tree Adjoining Grammars from a Treebank for Korean" pdf

... analyses in SJTree. Since however morphological analyses for verbal and adjectival endings in SJTree are simply divided into EP, EF and EC which mean non-final endings, final endings and conjunctive ... Lexicalized Tree Adjoining Grammar from Korean Sejong Treebank (SJTree). SJTree contains 32,054 eojeols (the unity of segmentation in the Korean sentence), that is, 2,526 sentences. SJTree uses ... is α tree. Complex postpositions consisted of two or more postpositions are extracted like one α tree 2. Finally, convert-ing NP β trees into α trees and removing syntactic tag in NP α trees....

Báo cáo khoa học: "Restrictions on Tree Adjoining Languages" pptx

... (right) tree ~ in A is inserted in A l and is called j3L (j3R). Let 13 be a wrapping tree in A. We split ~ into four auxiliary trees, as informally described in Section 2. Let ~0 be the subtree ... the finite sets of nonterminal and ter- minal symbols, respectively, I, A are the finite 1176 sets of initial and auxiliary trees, respectively, and S E N is the initial symbol. Trees in 112 ... every wrapping tree/ 3 in A. 1178 Each tree in A' inherits at its nodes the ad- junction constraints specified in G. In addition, we impose the following constraints: • only trees j3L...

Tài liệu Báo cáo khoa học: Diversity and junction residues as hotspots of binding energy in an antibody neutralizing the dengue virus doc

... (1998) Anatomy of hot spots in protein interfaces. J Mol Biol 280, 1–9.32 DeLano WL (2002) Unraveling hot spots in binding interfaces: progress and challenges. Curr Opin StructBiol 12, 14–20.33 ... antibodiescontain six hypervariable regions in the variable (V)domains, three in the heavy chain VH and three in the light chain VL, that determine the complementa-rity with the antigen and are ... In uence ofproline residues on protein conformation. J Mol Biol218, 397–412.34 Schreiber G (2002) Kinetic studies of protein–proteininteractions. Curr Opin Struct Biol 12, 41–47.35 Cunningham...

Tài liệu Báo cáo khoa học: "Extraction and Approximation of Numerical Attributes from the Web" pdf

... value.We evaluate our method using automatedquestion answering, WordNet enrichment, and comparison with answers given in Wikipedia and by leading search engines. In all of these, our framework ... improvement.1 IntroductionInformation on various numerical properties ofphysical objects, such as length, width and weightis fundamental in question answering frameworks and for answering search engine ... relationship-representing term pairs, these methods mine theweb for these patterns and pairs, iteratively obtain-ing more instances. The proposed strategies gen-erally include some weighting/frequency/context-based...

Báo cáo khoa học: "Annotating and Recognising Named Entities in Clinical Notes" pot

... lockedaway in a non-standardised form of clinical lan-guage, which if standardised could be usefullymined to improve processes in the work of clin-ical wards, and to gain greater understanding ofpatient ... reports on the challenges involved in creating the annotation schema, and recog-nising and annotating clinical named enti-ties. The information extraction task hasinitially used two approaches: ... The re-maining 13.65% concepts are distributed into 6rare categories. The inner concepts are mainlyfrom QUALIFIER, BODY and ABNORMALITY, be-cause most of the long and complex FINDING and PROCEDURE...

Báo cáo khoa học: "Conceptual and Linguistic Laurence Decisions in Generation" docx

... modularized in components that make these decisions in a fixed order. 1. Introduction To express in natural language the information given in a semantic representation, at least two kinds of ... promote intimate interaction between conceptual and linguistic decisions. In particular, our claim is that a generation process cannot be modularized into a "conceptualizer" module making ... possible to combine the phrases expressing the ACT and the RESULT into a complex sentence if they are both in an active form John shot Mary, killing her. John killed Mary by shooting her. but...

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