Structural features

Xem 1-20 trên 418 kết quả Structural features
  • We propose Bilingual Tree Kernels (BTKs) to capture the structural similarities across a pair of syntactic translational equivalences and apply BTKs to sub-tree alignment along with some plain features. Our study reveals that the structural features embedded in a bilingual parse tree pair are very effective for sub-tree alignment and the bilingual tree kernels can well capture such features.

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  • This paper proposes a novel composite kernel for relation extraction. The composite kernel consists of two individual kernels: an entity kernel that allows for entity-related features and a convolution parse tree kernel that models syntactic information of relation examples. The motivation of our method is to fully utilize the nice properties of kernel methods to explore diverse knowledge for relation extraction.

    pdf8p hongvang_1 16-04-2013 21 1   Download

  • Sentence fluency is an important component of overall text readability but few studies in natural language processing have sought to understand the factors that define it. We report the results of an initial study into the predictive power of surface syntactic statistics for the task; we use fluency assessments done for the purpose of evaluating machine translation. We find that these features are weakly but significantly correlated with fluency. Machine and human translations can be distinguished with accuracy over 80%.

    pdf9p bunthai_1 06-05-2013 24 2   Download

  • In this study, structural features of Tricholoma matsutake polysaccharide (TMP-A) were investigated by a combination of infrared (IR) spectra, gas chromatography–mass spectrometry (GC–MS), nuclear magnetic resonance (NMR) spectroscopy. The results indicated that TMP-A had a backbone of 1,4-- d-glucopyranose residue which branches at O-6 based on the experimental results. The branches were mainly composed of an (1→3)--d-galactopyranose residue, and terminated with -d-xylopyranose residue.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học 'Respiratory Research cung cấp cho các bạn kiến thức về ngành y đề tài: Structural features in the Rous sarcoma virus RNA stability element are necessary for sensing the correct termination codon...

    pdf15p toshiba15 24-10-2011 23 3   Download

  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Prediction of viral microRNA precursors based on human microRNA precursor sequence and structural features

    pdf8p dauphong3 26-12-2011 25 3   Download

  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học thế giới đề tài: Comparative analysis on the structural features of the 5 flanking region of κ-casein genes from six different species

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  • Prediction of viral microRNA precursors based on human microRNA precursor sequence and structural features

    pdf8p dauphong4 24-12-2011 18 2   Download

  • Laccases are copper-containing enzymes used in various applications, such as textile bleaching. Several crystal structures of laccases from fungi and bacteria are available, but ascomycete types of fungal laccases (asco-lac-cases) have been rather unexplored, and to date only the crystal structure ofMelanocarpus albomyceslaccase (MaL) has been published.

    pdf13p cosis54 05-01-2013 25 2   Download

  • Group II introns are both catalytic RNAs and mobile retroelements that move through a process catalyzed by a RNP complex consisting of an intron-encoded protein and the spliced intron lariat RNA. Group II intron-encoded proteins are multifunctional and contain an N-terminal reverse transcriptase domain, followed by a putative RNA-binding domain (domain X) associated with RNA splicing or maturase activity and a C-terminal DNA binding⁄DNA endonuclease region.

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  • Syntactic knowledge is important for pronoun resolution. Traditionally, the syntactic information for pronoun resolution is represented in terms of features that have to be selected and defined heuristically. In the paper, we propose a kernel-based method that can automatically mine the syntactic information from the parse trees for pronoun resolution. Specifically, we utilize the parse trees directly as a structured feature and apply kernel functions to this feature, as well as other normal features, to learn the resolution classifier.

    pdf8p hongvang_1 16-04-2013 23 2   Download

  • In human monocyte-derived macrophages, the MCPIPgene (monocyte chemoattractant protein-induced protein) is strongly activated by inter-leukin-1b(IL-1b). Using bioinformatics, a PIN domain was identified, span-ning amino acids 130-280; such domains are known to possess structural features of RNases. Recently, RNase properties of MCPIP were confirmed on transcripts coding for interleukins IL-6 and IL-12p40.

    pdf14p vinaphone15 28-02-2013 17 1   Download

  • Oracle Database Application Developer's Guide - Object-Relational Features describes how to use the object-relational features of the Oracle Server, 10g Release 1 (10.1). Information in this guide applies to versions of the Oracle Server that run on all platforms, and does not include system-specific information. Oracle Database Application Developer's Guide - Object-Relational Features is intended for programmers developing new applications or converting existing applications to run in the Oracle environment.

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  • If natural language had been designed by a logician, idioms would not exist. They are a feature of discourse that frustrates any simple logical account of how the meanings of utterances depend on the meanings of their parts and on the syntactic relation among those parts. Idioms are transparent to native speakers, but a course of perplexity to those who are acquiring a second language. If someone tells me that Mrs. Thatcher has become the Queen of Scotland, I am likely to say: "That's a tall story.

    pdf347p hikarijun 20-07-2013 133 53   Download

  • DBS3900 is a distributed BTS solution developed by Huawei Technologies Co.,Ltd. Its baseband part and radio part can be installed independently so that it can be used to various environments with wide coverage and low cost. Know the functions and features of DBS3900 Master the Hardware structure and function of DBS3900 Familiar with the Typical configuration and cable connection of DBS3900 Master the Network topologies of DBS3900

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  • The tension structures discussed in this book are predominantly roofing forms created from pre-stressed cable nets, cable trusses, and continuous membranes (fabric structures). A unique feature in their design is form-finding an interactive process of defining the shape of a structure under tension. The book discusses the role of stable minimal surfaces (minimum energy forms occurring in natural objects, such as soap films) in finding optimal shapes of membrane and cable structures.

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  • The rapid development of inorganic chemistry makes ever more challenging the task of providing a textbook that is contemporary and meets the needs of those who use it. We appreciate the constructive suggestions provided by students, faculty, and reviewers, and have adopted much of this advice, keeping in mind the constraints imposed by space and the scope of the book. The main emphasis in preparing this edition has been to bring it up to date while providing clarity and a variety of helpful features.

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  • The Sixth Edition of Dr. Haines's best-selling neuroanatomy atlas features a stronger clinical emphasis, with significantly expanded clinical information and correlations. More than 110 new images--including MRI, CT, MR angiography, color line drawings, and brain specimens--highlight anatomical-clinical correlations. Internal spinal cord and brainstem morphology are presented in a new format that shows images in both anatomical and clinical orientations, correlating this anatomy exactly with how the brain and its functional systems are viewed in the clinical setting.

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  • This work develops and defends a structural view of the nature of mathematics, which is used to explain a number of striking features of mathematics that have puzzled philosophers for centuries. It rejects the most widely held philosophical view of mathematics (Platonism), according to which mathematics is a science dealing with mathematical objects such as sets and numbers—objects which are believed not to exist in the physical world.

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  • A clear understanding of rock stress and its effect on permeability is important in a coupled simulation where fluid production causes a significant increase in the effective stress within a reservoir. Changing the in-situ rock stress state can alter the reservoir properties. As a result, porosity and permeability could be affected due to the rearrangement of rock particles and the redistribution of sensitive pore structures. It is known that permeability is more sensitive to stress changes than porosity.

    pdf11p can_loc 27-07-2012 38 6   Download


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