Topological order

Xem 1-20 trên 30 kết quả Topological order
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article On Generalized Implicit Vector Equilibrium Problems in Topological Ordered Spaces

    pdf9p sting08 18-02-2012 39 3   Download

  • Hierarchical phrase-based models are attractive because they provide a consistent framework within which to characterize both local and long-distance reorderings, but they also make it dif cult to distinguish many implausible reorderings from those that are linguistically plausible. Rather than appealing to annotationdriven syntactic modeling, we address this problem by observing the in uential role of function words in determining syntactic structure, and introducing soft constraints on function word relationships as part of a standard log-linear hierarchical phrase-based model. ...

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  • Freer-word-order languages such as German exhibit linguistic phenomena that present unique challenges to traditional CFG parsing. Such phenomena produce discontinuous constituents, which are not naturally modelled by projective phrase structure trees. In this paper, we examine topological field parsing, a shallow form of parsing which identifies the major sections of a sentence in relation to the clausal main verb and the subordinating heads.

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  • One goal of natural language generation is to produce coherent text that presents information in a logical order. In this paper, we show that topological fields, which model high-level clausal structure, are an important component of local coherence in German. First, we show in a sentence ordering experiment that topological field information improves the entity grid model of Barzilay and Lapata (2008) more than grammatical role and simple clausal order information do, particularly when manual annotations of this information are not available. ...

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  • Topological Dependency Grammar (TDG) is a lexicalized dependency grammar formalism, able to model languages with a relatively free word order. In such languages, word order variation often has an important function: the realization of information structure. The paper discusses how to integrate information structure into TDG, and presents a constraint-based approach to modelling information structure and the various means to realize it, focusing on (possibly simultaneous use of) word order and tune. ...

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  • We describe a new framework for dependency grammar, with a modular decomposition of immediate dependency and linear precedence. Our approach distinguishes two orthogonal yet mutually constraining structures: a syntactic dependency tree and a topological dependency tree. The syntax tree is nonprojective and even non-ordered, while the topological tree is projective and partially ordered.

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  • This paper proposes a description of German word order including phenomena considered as complex, such as scrambling, (partial) VP fronting and verbal pied piping. Our description relates a syntactic dependency structure directly to a topological hierarchy without resorting to movement or similar mechanisms.

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  • We present a new grammar formalism for parsing with freer word-order languages, motivated by recent linguistic research in German and the Slavic languages. Unlike CFGs, these grammars contain two primitive notions of constituency that are used to preserve the semantic or interpretational aspects of phrase structure, while at the same time providing a more efficient backbone for parsing based on word-order and contiguity constraints. A simple parsing algorithm is presented, and compilation of grammars into Constraint Handling Rules is also discussed. ...

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  • In this paper, we propose a new method to optimize the occupied memory of embedded software in the design phase based on DSL, T4 and Topological sort. A program is specified as a chain of tasks and the relationship between the tasks. The program is expressed by the dependence graph as a directed graph.

    pdf11p binhminhmuatrenngondoithonggio 09-06-2017 25 1   Download

  • The topological Lifshitz phase transition is studied systematically within an effective model of QCD, in which the chiral symmetry, broken at zero temperature, is not restored at high temperature and/or baryon chemical potential. It is found that during phase transition the quark system undergoes a first-order transition from low density fully-gapped state to high density state with Fermi sphere which is protected by momentum-space topology. The Lifshitz phase diagram in the plane of temperature and baryon chemical potential is established.

    pdf12p thuyliebe 12-10-2018 21 0   Download

  • In this paper, we present new sufficient conditions for the oscillation of first-order delay dynamic equations on time scales. We also present some examples to which none of the previous results in the literature can apply.

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  • This module provides the information needed by students to design site topologies in Microsoft® Windows® 2000 Active Directory™ directory service in order to optimize replication traffic. The module begins by explaining how to assess the need for sites. Next the module describes how to use site links in a network. Finally it covers how to plan for an inter-site replication topology and plan for server placement.

    pdf42p thuyvan 12-08-2009 139 22   Download

  • In 2008 food prices surged plunging millions back into hunger and triggering riots from Egypt to Haiti and Cameroon to Bangladesh. Whereas fuel prices, which also surged, have fallen back sharply food prices remain problematic with wheat, corn and soya still higher than they were 12-18 months ago. In order to understand the factors underpinning the food crisis and to assess trends, UNEP commissioned a Rapid Response team of internal and international experts. Their conclusions are presented in this report launched during UNEP’s 25th Governing Council/Global Ministerial Environment Forum.

    pdf104p yeutinh98 19-09-2012 37 7   Download

  • First, the concentrated decision rights within the firms allow them to operate in greater secrecy. A politician may desire more secrecy in order to maintain a reputation of integrity. The firms also prefer operating in secret in order to discourage entry by competitors. Second, compared to a hired manager in a widely held firm, a controlling owner is more secure in his position in the firm and thus has more credibility on which to trade favors with the government.

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  • Technically speaking, digital projection does not radically change classic film projection even though the mechanical projector head has been replaced by a digital head, the film spool by a hard disk drive and the platter system by a server. We have already paid utmost attention to these points in order to ensure that the projection quality practically remains the same. Of course, the picture is not visible on its photosensitive carrier anymore: It is from now on quantified...

    pdf92p hongphuocidol 03-04-2013 51 5   Download

  • The divalent metal transporter (DMT1) is a 12-transmem-brane domain protein responsible for dietary iron uptake in the duodenum and iron acquisition from transferrin in peripheral tissues. The transmembrane domain 4 (TM4) of DMT1 has been shown to be crucial for its biological function. Here we report the 3D structure and topology of the DMT1-TM4 peptide by NMR spectroscopy with simulated annealing calculations in membrane-mimetic environments, e.g. 2,2,2-trifluoroethanol and SDS micelles.

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  • Every two years, the WHO convenes an Expert Committee on Selection and Use of Essential Medicines to review state- of-the-art evidence on the efficacy, safety, and cost effectiveness of medicines in order to update the WHO Model Lists of Essential Medicines (WHO EML) for adults and children. Countries are encouraged to use this model list to inform the development of their own national EMLs. In the 17th edition of the WHO EML, oxytocin, misoprostol, and magnesium sulfate are included. 16 Oxytocin is included for prevention and treatment of postpartum hemorrhage.

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  • The following will be discussed in this chapter: Basic definitions and applications, graph connectivity and graph traversal, testing bipartiteness, connectivity in directed graphs, DAGs and topological ordering.

    pdf51p youcanletgo_03 14-01-2016 22 1   Download

  • In this paper, we address the problem of network design with redundant connections, often faced by operators of telephone and internet services. The network connects customers with one master node and is built by taking into account the rules that shape its construction, such as number of customers, number of components and types of links, in order to meet operational needs and technical constraints.

    pdf26p danhnguyentuongvi27 19-12-2018 6 0   Download

  • We describe the K-ring of the classifying space of the generalized quaternion group in terms of generators and the minimal set of relations. We also compute the order of the main generator in the truncated rings.

    pdf5p danhdanh27 07-01-2019 11 0   Download



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