Generalized derivatives

Xem 1-20 trên 138 kết quả Generalized derivatives
  • 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 Stability of Homomorphisms and Generalized Derivations on Banach Algebras

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  • The increasing globalisation of financial markets led companies in many countries to apply from 2005 the IFRS principles. The main goal of IFRS is to safeguard investors by achieving uniformity and transparency in the accounting principles. One of the most challenging aspects of the IFRS rules is the accounting treatment of derivatives, a challenge that has strengthened the relationship between risk management and accounting.

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  • (BQ) Part 2 book "General, organic, and biological chemistry" has contents: Carboxylic acids, esters, and other acid derivatives; amines and amides, carbohydrates, lipids, proteins, enzymes and vitamin, nucleic acids, biochemical energy production, carbohydrate metabolism,...and other contents.

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  • Masaki Okumura1,2, Masatoshi Saiki2,3, Hiroshi Yamaguchi1 and Yuji Hidaka2 1 School of Science and Technology, Kwansei Gakuin University, Hyogo, Japan 2 Graduate School of Science and Engineering, Kinki University, Osaka, Japan 3 Department of Applied Chemistry, Faculty of Engineering, Tokyo University of Science, Yamaguchi, Japan Keywords arginine; disulfide; folding; glutathione; uroguanylin Correspondence Y.

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  • Previous research applying kernel methods to natural language parsing have focussed on proposing kernels over parse trees, which are hand-crafted based on domain knowledge and computational considerations. In this paper we propose a method for defining kernels in terms of a probabilistic model of parsing. This model is then trained, so that the parameters of the probabilistic model reflect the generalizations in the training data. The method we propose then uses these trained parameters to define a kernel for reranking parse trees. ...

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  • We present an efficient procedure for cost-based abduction, which is based on the idea of using chart parsers as proof procedures. We discuss in detail three features of our algorithm - - goal-driven bottom-up derivation, tabulation of the partial results, and agenda control mechanism - - and report the results of the preliminary experiments, which show how these features improve the computational efficiency of cost-based abduction.

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  • Existing work in the extraction of commonsense knowledge from text has been primarily restricted to factoids that serve as statements about what may possibly obtain in the world. We present an approach to deriving stronger, more general claims by abstracting over large sets of factoids. Our goal is to coalesce the observed nominals for a given predicate argument into a few predominant types, obtained as WordNet synsets. The results can be construed as generically quantified sentences restricting the semantic type of an argument position of a predicate....

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  • Dictionaries are now commonly used resources in NLP systems. However, different lexical resources are not uniform; they contain different types of information and do not assign words the same number of senses. One way in which this problem might be tackled is by producing mappings between the senses of different resources, the "dictionary mapping problem". However, this is a non-trivial problem, as examination of existing lexical resources demonstrates.

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  • We investigate different feature sets for performing automatic sentence-level discourse segmentation within a general machine learning approach, including features derived from either finite-state or contextfree annotations. We achieve the best reported performance on this task, and demonstrate that our SPADE-inspired context-free features are critical to achieving this level of accuracy. This counters recent results suggesting that purely finite-state approaches can perform competitively. Nucleus....

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  • In natural language processing, ambiguity resolution is a central issue, and can be regarded as a preference assignment problem. In this paper, a Generalized Probabilistic Semantic Model (GPSM) is proposed for preference computation. An effective semantic tagging procedure is proposed for tagging semantic features. A semantic score function is derived based on a score function, which integrates lexical, syntactic and semantic preference under a uniform formulation. The semantic score measure shows substantial improvement in structural disambiguation over a syntax-based approach. ...

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  • This paper defines multiset-valued linear index grammar and unordered vector grammar with dominance links. The former models certain uses of multisetvalued feature structures in unification-based formalisms, while the latter is motivated by word order variation and by "quasi-trees", a generalization of trees. The two formalisms are weakly equivalent, and an important subset is at most context-sensitive and polynomially parsable.

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  • If the text you're using for general chemistry seems to lack sufficient mathematics and physics in its presentation of classical mechanics, molecular structure, and statistics, this complementary science series title may be just what you're looking for. Written for the advanced lower-division undergraduate chemistry course, The Physical Basis of Chemistry, Second Edition, offers students an opportunity to understand and enrich the understanding of physical chemistry with some quantum mechanics, the Boltzmann distribution, and spectroscopy.

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  • Introduction: Caffeine, theophylline and theobromine are contained in coffee, chocolate (cocoa) and tea (black and green) as weakly basic natural alkaloids. The structures of the methylxanthine derivatives/xanthine derivatives including the above natural alkaloids together with synthetic ones are shown in Table 4.1 [1]. Theophylline, dyphylline (diprophylline) and proxyphylline are being used mainly as bronchodilators and/or heart stimulants. Caffeine mildly stimulates the central nervous system (CNS), awakens people, relieves them from general fatigue and activates mental activities.

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  • Consider a system with a single degree of freedom and assume that the equation expressing its dynamic equilibrium is a second order ordinary differential equation (ODE) in the generalized coordinate x.

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  • In the past, the government often tried to ensure that we pay "a fair rate" of interest by implementing usury ceilings or limits on the rates that lenders can charge. During the 1980s there was a general trend toward eliminating or raising these limits as policy-makers reacted to the high inflation and record interest rates of the late 1970s. During the early 1990s, however, the trend reversed as some suggested that caps should be placed on credit card rates, which remained at historically high levels while other key interest rates declined significantly.

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  • Adolescents who become pregnant prior to completion of their education typically face expulsion from school, and those who give birth often are not readmitted. In many African societies for example, once a young woman has given birth she is regarded as an adult, a role that is generally perceived as incompatible with continued formal educa- tion. In the event that a young woman is forced to abandon her education due to early pregnancy, she likely faces curtailment of her social, intellectual and economic develop- ment.

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  • We define and study sl2 -categorifications on abelian categories. We show in particular that there is a self-derived (even homotopy) equivalence categorifying the adjoint action of the simple reflection. We construct categorifications for blocks of symmetric groups and deduce that two blocks are splendidly Rickard equivalent whenever they have isomorphic defect groups and we show that this implies Brou´’s abelian defect group conjecture for symmetric groups. e We give similar results for general linear groups over finite fields. ...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Pro-inflammatory properties of stromal cell-derived factor-1 (CXCL12) in collagen-induced arthritis...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Effect of dsDNA binding to SmD-derived peptides on clinical accuracy in the diagnosis of systemic lupus erythematosus...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học General Psychiatry cung cấp cho các bạn kiến thức về ngành y đề tài: Immunization with an immunodominant self-peptide derived from glucose-6-phosphate isomerase induces arthritis in DBA/1 mice...

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