Theoretical models

This paper presents empirical studies and closely corresponding theoretical models of the performance of a chart parser exhaustively parsing the Penn Treebank with the Treebank’s own CFG grammar. We show how performance is dramatically affected by rule representation and tree transformations, but little by topdown vs. bottomup strategies.
8p bunrieu_1 18042013 19 3 Download

We present a gametheoretic model of bargaining over a metaphor in the context of political communication, ﬁnd its equilibrium, and use it to rationalize observed linguistic behavior. We argue that game theory is well suited for modeling discourse as a dynamic resulting from a number of conﬂicting pressures, and suggest applications of interest to computational linguists.
12p hongdo_1 12042013 10 1 Download

This book is about how to construct and use computational models of specific parts of the nervous system, such as a neuron, a part of a neuron or a network of neurons. It is designed to be read by people from a wide range of backgrounds from the biological, physical and computational sciences. The word ‘model’ can mean different things in different disciplines, and even researchers in the same field may disagree on the nuances of its meaning.
0p taurus23 27092012 19 3 Download

Health and Quality of Life Outcomes BioMed Central Review Open Access Toward a theoretical model of qualityoflife appraisal: Implications of findings from studies of response shift Bruce D Rapkin*1 and Carolyn E Schwartz2,3,4,5 Address: 1Department of Psychiatry and the Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA, 2QualityMetric Incorporated, Waltham, MA, USA, 3Health Assessment Lab, Waltham, MA, USA, 4Division of Preventive and Behavioral Medicine, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA and 5DeltaQuest ...
12p sting02 31012012 20 2 Download

This book aims to give a complete and selfcontained presentation of semi Markov models with finitely many states, in view of solving real life problems of risk management in three main fields: Finance, Insurance and Reliability providing a useful complement to our first book (Janssen and Manca (2006)) which gives a theoretical presentation of semiMarkov theory. However, to help assure the book is selfcontained, the first three chapters provide a summary of the basic tools on semiMarkov theory that the reader will need to understand our presentation.
441p thuymonguyen88 07052013 38 17 Download

The second edition of "Model Predictive Control" provides a thorough introduction to theoretical and practical aspects of the most commonly used MPC strategies. It bridges the gap between the powerful but often abstract techniques of control researchers and the more empirical approach of practitioners. The book demonstrates that a powerful technique does not always require complex control algorithms. Many new exercises and examples have also been added throughout.
429p suthebeo 01082012 45 13 Download

Hidden Markov Models (HMMs), although known for decades, have made a big career nowadays and are still in state of development. This book presents theoretical issues and a variety of HMMs applications in speech recognition and synthesis, medicine, neurosciences, computational biology, bioinformatics, seismology, environment protection and engineering. I hope that the reader will find this book useful and helpful for their own research.
0p cucdai_1 20102012 47 11 Download

With the amazing advances of scientific research, Hydrodynamics  Theory and Application presents the engineering applications of hydrodynamics from many countries around the world. A wide range of topics are covered in this book, including the theoretical, experimental, and numerical investigations on various subjects related to hydrodynamic problems. The book consists of twelve chapters, each of which is edited separately and deals with a specific topic. The book is intended to be a useful reference to the readers who are working in this field....
0p orchid_1 25092012 32 8 Download

This book was conceived as a result of many years research with students and postdocs in molecular simulation, and shaped over several courses on the subject given at the University of Groningen, the Eidgen¨ossische Technische Hochschule (ETH) in Z¨urich, the University of Cambridge, UK, the University of Rome (La Sapienza), and the University of North Carolina at Chapel Hill, NC, USA.
626p camnhung_1 13122012 14 8 Download

Understanding and quantitative describing of marine ecosystems requires an integration of physics, chemistry and biology. The coupling between physics, which regulates for example nutrient availability and the physical position of many organisms is particularly important and thus cannot be described by biology alone. Therefore the appropriate basis for theoretical investigations of marine systems are coupled models, which integrate physical, chemical and biological interactions.
308p phoebe75 01022013 31 8 Download

This book addresses the stochastic modeling of telecommunication networks, introducing the main mathematical tools for that purpose, such as Markov processes, real and spatial point processes and stochastic recursions, and presenting a wide list of results on stability, performances and comparison of systems. The authors propose a comprehensive mathematical construction of the foundations of stochastic network theory: Markov chains, continuous time Markov chains are extensively studied using an original martingalebased approach.
385p titatu_123 01032013 21 8 Download

This is the fourth edition of Professor Lindauer's early groundbreaking Macroeconomics series. It holds reader interest because it constantly relates the concepts of modern macroeconomics to today's "Great Recession" and the policies and conditions that brought it about and are needed to end it. In so doing it explains why not all Keynesian and neoclassical theory and monetary and fiscal policies are applicable to the unique structure and institutions of the United States and how the current recession can be quickly ended ...
241p trinhosieupham 25022013 19 6 Download

Mathematical modelling is the process of formulating an abstract model in terms of mathematical language to describe the complex behaviour of a real system. Mathematical models are quantitative models and often expressed in terms of ordinary differential equations and partial differential equations. Mathematical models can also be statistical models, fuzzy logic models and empirical relationships. In fact, any model description using mathematical language can be called a mathematical model.
0p thienbinh1311 13122012 15 5 Download

Mathematical Finance is themathematical theory of financialmarkets. It tries to develop theoretical models, that can be used by “practitioners” to evaluate certain data from “real” financial markets. A model cannot be “right” or wrong, it can only be good or bad ( for practical use ). Even “bad” models can be “good” for theoretical insight.
129p haiduong_1 03042013 17 5 Download

Earnings occupy a central position in accounting. It is accounting's summary measure of a firm's performance. Despite theoretical models that value cash flows, accounting earnings is widely used in share valuation and to measure performance in management and debt contracts. Various explanations have been advanced to explain the prominence of accounting earnings and the reasons for its usage. An example is that earnings reflects cash flow forecasts (e.g., Beaver, 1989, p. 98; and Dechow, 1994) and has a higher correlation with value than current does cash flow (e.g.
50p bin_pham 06022013 16 3 Download

We investigate the relevance of hierarchical topic models to represent the content of Web gists. We focus our attention on DMOZ, a popular Web directory, and propose two algorithms to infer such a model from its manuallycurated hierarchy of categories. Our ﬁrst approach, based on informationtheoretic grounds, uses an algorithm similar to recursive feature selection. Our second approach is fully Bayesian and derived from the more general model, hierarchical LDA.
6p hongdo_1 12042013 8 3 Download

The PageRank algorithm, used in the Google search engine, greatly improves the results of Web search by applying probabilistic model on the link structure of Webs to evaluate the “importance” of Webs. In PageRank probabilistic model, the links and webs are uniform, so the rank score of webs are quite independent from their content. In practice, the researchers often hope that the web results can be ranked by their proposed topics. Moreover, when computer’s techniques solve given problems ineffectively, it’s necessary to do better research in theoretical problems. ...
12p tuanlocmuido 19122012 15 2 Download

We describe a new loss function, due to Jeon and Lin (2006), for estimating structured loglinear models on arbitrary features. The loss function can be seen as a (generative) alternative to maximum likelihood estimation with an interesting informationtheoretic interpretation, and it is statistically consistent. It is substantially faster than maximum (conditional) likelihood estimation of conditional random ﬁelds (Lafferty et al., 2001; an order of magnitude or more).
8p hongvang_1 16042013 21 2 Download

A natural next step in the evolution of constraintbased grammar formalisms from rewriting formalisms is to abstract fully away from the details of the grammar mechanismto express syntactic theories purely in terms of the properties of the class of structures they license.
7p bunmoc_1 20042013 25 2 Download

Modeltheoretic semantics provides a computationally attractive means of representing the semantics of natural language. However, the models used in this formalism are static and are usually infinite. Dynamic models are incomplete models that include only the information needed for an application and to which information can be added. Dynamic models are basically approximations of larger conventional models, but differ is several interesting ways. The difference discussed here is the possibility of inconsistent information being included in the model. ...
3p bungio_1 03052013 21 2 Download