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Интернет, Интранет, компьютерные сети Интернет, Интранет, компьютерные сети
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Hidden Markov Model for Text Classification using LC Classification. Framework, Design, and Application

Автор:   Kwan Y.
мягкая обложка
180 страниц
2008 год
Издательство:   Книга по Требованию
2781 руб
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Описание:Text classification (TC) is the task of automatically categorizing text into pre-set categories by analyzing their contents. First, the development of a new TC model based on hidden Markov model (HMM) proposed as a new framework for TC task. Few, however, have applied HMM to TC. Second, the application of the Library of Congress Classification (LCC) as a classification scheme for automatically organizing digital resources. Two primary objectives are: The proposed model is compared to a Naive Bayesian model, which has been extensively used in TC applications. A general prototype for an HMM-based TC model is proposed and implemented, so as to classify a collection of dissertation abstracts from the ProQuest Digital Dissertations database into LCC. HMM has been applied to a wide range of applications in text processing such as text segmentation and event tracking, information retrieval, and information extraction. Lastly, current TC challenges and issues are discussed. In this monograph, a framework of a new TC model based on hidden Markov model is proposed, and its implementation is demonstrated in an application of library and information science.

Orthomol Immun Junior Сила иммунитета на страже Вашего ребенка Orthomol Immun Junior Сила иммунитета на страже Вашего ребенка

2990 руб
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The Teachings of Don Juan: A Yaqui Way of Knowledge

I divided the data into areas of related concepts and procedures and arranged the areas hierarchically according to subjective importance — that is, in terms of the impact that each of them had had on me. In that way I arrived at the following classification: uses of the hallucinogenic plants; procedures and formulas used in sorcery; acquisition and manipulation of power objects; uses of the medicinal plants; songs and legends. Reflecting upon the phenomena I had experienced, I realized that my attempt at classification had produced nothing more than an inventory of categories; any attempt to refine my scheme would therefore yield only a more complex inventory. That was not what I wanted. During the months following my withdrawal from the apprenticeship, I needed to understand what I had experienced, and what I had experienced was the teaching of a coherent system of beliefs by means of a pragmatic and experimental method. It had been evident to me from the very first session in which I had participated that Don Juan's teachings possessed an internal cohesion ...»

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Пенал-косметичка "Pixie Crew" с силиконовой панелью для картинок (красный, розовый).
Повседневные вещи кажутся скучными и однотонными, а тебе хочется выглядеть стильно и быть не как все? "Pixie Crew" сделает твою
858 руб
Раздел: Без наполнения
Муфта для коляски "Bambola" (шерстяной мех + плащевка + кнопки), бежевая.
Муфта на ручку коляски очень легко одевается и защищает Ваши руки от холода. Ткань муфты водоотталкивающая, она утеплена мехом и небольшим
489 руб
Раздел: Муфты на ручку
Шкатулка декоративная "Стиль", 15,5x12,5x11,5 см (бутылочный).
Шкатулка декоративная для ювелирных украшений, с выдвижными ящичками. Размер: 15,5x12,5x11,5 см. Материал: комбинированный.
1586 руб
Раздел: Шкатулки для украшений

Automatic Information Extraction Using Hidden Markov Model. Amharic Language Text
Among a number of techniques and methods available for IE, Hidden Markov Model (HMM), a sequential labeling based method, was selected as a methodology.
          2005 руб             2010 год          104 стр.          мягкая обложка

Motion Data Mining and Activity Recognition. Motion Classification using Spatio-temporal Approximation of Object Trajectories
Once the m- Mediods based model for all the classes have been learnt, the classification of new trajectories and anomaly detection can be performed by checking the closeness of said trajectory to the models of known classes using an agglomerative approach.
          3212 руб             2009 год          216 стр.          мягкая обложка

Model Reduction Techniques using Interval Analysis and Optimization. with Control System Applications
Second, suppose a reduced order controller is designed from the reduced order model for the original higher order system, it does not guarantee the stability of the resulting closed loop system.
          2744 руб             2009 год          192 стр.          мягкая обложка

Structured Topic Models. Jointly Modeling Text with Its Accompanying Modalities
Most of the previous work, however, pay attention to only one modality at a time, and ignore the others.
          2400 руб             2009 год          128 стр.          мягкая обложка

The Use of Copulas in Asset Allocation. When and How a Copula Model can be Useful?
I try to achieve this by developing an analysis on the composition of the optimal portfolio and on the cost of the Markowitz allocation compared to an allocation that uses models with copulas (Normal, Student-t, Clayton, Gumbel, Frank, mix copulas and Canonical Vine copulas) in portfolios composed by 2 or more assets, analyzing various combinations of indices to test whether the use of copulas improves the investor' s utility and revenue. Moreover I build models that considers return moments and co-moments till the fourth power in order to understand whether they can approximate the use of copulas to obtain optimal weights. The analysis should be interesting to Investment Fund Asset Managers, but also to academic researchers. I evaluate the problems caused by the use of the mean-variance criterion, conceived by Markowitz, that addresses the allocation of financial portfolios. Many authors have suggested that the mean-variance criterion can not correctly proxy the expected utility with non-Normal returns. Thus, a strategy is needed that can enable us to understand whether the loss of optimality due to the mean-variance criterion is significant or negligible.
          1891 руб             2010 год          104 стр.          мягкая обложка

Brain MR Image Segmentation using MRF Model and Tabu Search Strategy. Tissue Classification of Brain MRI
The brain magnetic resonance (MR) image segmentation problem is addressed in supervised and unsupervised framework and is formulated as pixel labeling problem.
          3231 руб             2010 год          204 стр.          мягкая обложка

An Incrementally Trainable Statistical Approach to Information Extraction. Based on Token Classification and Rich Context Model
The system also utilizes new sources of information, employing rich tree-based context representations to combine document structure (HTML or XML markup) with linguistic and semantic information.
          3231 руб             2008 год          216 стр.          мягкая обложка

Automated Biomedical Text Fragmentation. in support of biomedical sentence fragment classification
The categories are grouped into five different dimensions known as Focus, Polarity, Certainty, Evidence, and Trend.
          2005 руб             2010 год          120 стр.          мягкая обложка

Evolutionary Applications for Financial Prediction. Classification Methods to Gather Patterns Using Genetic Programming
However, when the number of positive examples is small in comparison with the number of total cases, the identification of useful patterns becomes a serious challenge.
          2629 руб             2011 год          172 стр.          мягкая обложка

Smart Materials in Dentistry. Genesis, Types , Classification , properties and its use
Science and technology in the 21st century relies heavily on the development of new materials that are expected to respond to the environmental changes and manifest their own functions according to the optimum conditions.
          2277 руб             2010 год          160 стр.          мягкая обложка

Understanding & Using English Grammar 3Ed Full Text / Workbook Pack
          2 руб             2001 год

Modeling Methodologies for Dynamic Reconfigurable Systems. How to model, validate and implement a Dynamic Reconfigurable System using Simulink
The proposed methodological flow is centered on the model-based design paradigm; it relies upon Simulink by The MathWorks as long as several tools developed by the DRESD team (www. dresd. org) and by the targeted FPGAs producers.
          1978 руб             2009 год          60 стр.          мягкая обложка

Landfill cover systems modelling for Tropical climate. Landfill cover modelling using VHELP
The models described are based on VHELP software which incorporates the latest technology for volume reduction.
          2744 руб             2009 год          172 стр.          мягкая обложка

Robust Clustering Algorithms and Potential Applications. Algorithms for robust data clustering, image segmentation and data classification
          2766 руб             2009 год          192 стр.          мягкая обложка

Learning by Scaling: Learning by Scaling. Classification with Varying Gaussians, Parzen Windows, and Moving Least-square Method
The analysis should help shed some light on multi-task learning and sparsity learning from a wavelet point of view.
          1994 руб             2009 год          76 стр.          мягкая обложка

Compressive Classification for Face Recognition. A New Approach
The book addresses the practical face recognition problem – e. g. a scenario that may arise in client recognition in Automated Teller Machines or employee authentication in large offices.
          2400 руб             2009 год          132 стр.          мягкая обложка

Development of a Visualization Tool Using VTK to Analyse TELEMAC-2D Estuarine Data-sets, Using Test Data from the Dyfi Estuary, Wales Visualization for Coastal Hydro-informatic Modelling.
By creating dynamic interactive environments, scientific visualization has an important role in ocean science, where large datasets with complex inter-relationships challenge meaningful analysis.
          1994 руб             2009 год          116 стр.          мягкая обложка

Models and methods used in the analysis of microarray expression data. Towards the identi?cation of regulatory networks using statistical and information theoretical methods on the mammalian transcriptome
On the basis of three different case studies, distinct analysis approaches are presented and comprehensive discussion of the results is provided.
          3212 руб             2010 год          136 стр.          мягкая обложка

Studies of electronic properties of III-V nanostructures using continuum elasticity theory and an eight-band k·p-model A plane-wave based k·p-model to study semiconductor nanostructures.
A correspondingly wide range of nanostructures that are promising for future application in quantum computing, quantum cryptography or novel light emitting devices, has been investigated in this work.
          3212 руб             2010 год          160 стр.          мягкая обложка

Adaptive and Assisted Educational Hypermedia. Conceptual Model and Technological Solution using Intelligent Agents
The agents environment is built by means of a multiagent architecture designed to support adaptivity in a hypermedia education system used for distance learning on the web.
          3231 руб             2008 год          404 стр.          мягкая обложка

Instrument Timbres and Pitch Estimation in Polyphonic Music. Exploring a Novel Approach to Pitch Estimation Using Spectral Gaussian Mixture Modeling and a Modified Expectation Maximization Algorithm.
A prototype was implemented in MATLAB, featuring a GUI that provides for visual (spectrogram) and numerical (console) verification of results.
          2005 руб             2008 год          80 стр.          мягкая обложка

The Finite Reflection Group H_4. Classification, Construction and Characters
Finally, an algorithm which gives a systematic way of building character tables for any finite group is described.
          2005 руб             2008 год          92 стр.          мягкая обложка

Spatial Modeling of Soil Salinity Using Remote Sensing, GIS, and Field Data
The environmental damage that salinity can cause is massive.
          2005 руб             2008 год          112 стр.          мягкая обложка

Analyzing biomedical datasets using executable graphical models. RetroGuide system
The three specific aims of this dissertation were to review workflow technology and its current use, develop an analytical framework which utilizes graphical, process-based modeling, called RetroGuide (RG), and evaluate this framework using a series of case studies and a formal, comparison evaluation study.
          3231 руб             2009 год          280 стр.          мягкая обложка

The Usefulness of the Z-Score Model in determining impending Bankruptcies Bankruptcy and its Prediction.
Business bankruptcies will always be part of the global economy, although the magnitude may vary from small and insignificant to enormous with considerable consequences.
          2005 руб             2009 год          116 стр.          мягкая обложка

By Using Sophisticated Hysteresis and Damage Models Energy Based Seismic Assessment of Degrading Systems.
Modern seismic design philosophy states that buildings should be designed not only for life safety but also for damage control.
          3231 руб             2009 год          224 стр.          мягкая обложка

Assessing Exercise Behavior Using the Transtheoretical Model. A Survey Study with American University Faculty
Constructs of the Transtheoretical Model were utilized to determine the physical activity level, classify exercise stage, examine exercise self-efficacy, and identify decisional balance for exercise of the subjects.
          2413 руб             2009 год          156 стр.          мягкая обложка

Characteristic Periodic Variations of Surface Geothermal Features. A study of springs and geysers using wavelet and Fourier analysis, and system dynamics modelling
Once the amplitude and frequency of any forcing functions have been identified, these can be monitored to minimise the time to identify and quantify any changes in reservoir characteristics.
          3231 руб             2009 год          292 стр.          мягкая обложка

Water Supply, Sanitation, and Gastrointestinal Illness. Estimating the Risk of Disease Using Cross-sectional Data and Marginal Structural Models
A common way investigators estimate causal effects is though the use of randomized controlled trials (RCTs).
          2005 руб             2008 год          120 стр.          мягкая обложка

Quantitative analysis of heat transfer on human operator. Quantitative analysis of heat transfer on human operator using thermal models
An effort has been made in this book to estimate the time for fatigue of a human operator via a quantitative study based on the workload.
          2005 руб             2010 год          92 стр.          мягкая обложка


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