Variables technique

We describe a set of supervised machine learning experiments centering on the construction of statistical models of WHquestions. These models, which are built from shallow linguistic features of questions, are employed to predict target variables which represent a user’s informational goals. We report on different aspects of the predictive performance of our models, including the inﬂuence of various training and testing factors on predictive performance, and examine the relationships among the target variables. ...
8p bunrieu_1 18042013 23 5 Download

This paper describes the application of socalled topic models to selectional preference induction. Three models related to Latent Dirichlet Allocation, a proven method for modelling documentword cooccurrences, are presented and evaluated on datasets of human plausibility judgements. Compared to previously proposed techniques, these models perform very competitively, especially for infrequent predicateargument combinations where they exceed the quality of Webscale predictions while using relatively little data. ...
10p hongdo_1 12042013 12 2 Download

Variable stars are those that change brightness. Their variability may be due to geometric processes such as rotation, or eclipse by a companion star, or physical processes such as vibration, ﬂares, or cataclysmic explosions. In each case, variable stars provide unique information about the properties of stars, and the processes that go on within them.
373p xunu1311 03112012 19 1 Download

Chapter 9(1) introduce to tssertions, wiews and programming techniques. The main contents in this chapter: Constraints as assertions, SQL triggers, views (virtual tables) in SQL, programming techniques, variables, execution of the SQL statement,...
40p kiepnaybinhyen_04 15122015 21 1 Download

This text is based on a lecture course developed by the author and given to students in the second year of study in mathematics at Newcastle University. This has been written to provide a typical course (for students with a general mathematical background) that introduces the main ideas, concepts and techniques, rather than a wideranging and more general text on complex analysis.
174p sn_buon 29112012 23 0 Download

Chapter 1  What is statistics? When you have completed this chapter, you will be able to: Explain what is meant by statistics, identify the role of statistics in the development of knowledge and everyday life, explain what is meant by descriptive statistics and inferential statistics, distinguish between a qualitative variable and a quantitative variable,...
55p tangtuy09 21042016 16 1 Download

When you have completed this chapter, you will be able to: Define the terms probability distribution and random variable; distinguish between discrete and continuous random variables; calculate the mean, variance, and standard deviation of a discrete probability distribution; describe the characteristics and compute probabilities using the Poisson probability distribution.
39p tangtuy09 21042016 5 1 Download

When you have completed this chapter, you will be able to: Explain how probabilities are assigned to a continuous random variable, explain the characteristics of a normal probability distribution, define and calculate z value corresponding to any observation on a normal distribution, determine the probability a random observation is in a given interval on a normal distribution using the standard normal distribution, use the normal probability distribution to approximate the binomial probability distribution.
75p tangtuy09 21042016 5 1 Download

Chapter 13  Linear regression and correlation, after studying this chapter you will be able to: Identify a relationship between variables on a scatter diagram, measure and interpret a degree of relationship by a coefficient of correlation, conduct a test of hypothesis about the coefficient of correlation in a population,...and other contents.
56p tangtuy09 21042016 7 1 Download

Most modern programming languages provide support for some type of object that can hold a variable number of elements. These objects are referred to as collections, and they can have elements added and removed with ease without having to worry about proper memory allocation. If you’ve programmed with classic ASP before, you’re probably familiar with the Scripting.Dictionary object, a collection object that references each element with a textual key. A collection that stores objects in this fashion is known as a hash table.
108p phongthinh 07082009 288 32 Download

Update to Wrox′s leading C# book for beginners Get ready for the next release of Microsoft′s C# programming language with this essential Wrox beginner′s guide. Beginning Microsoft Visual C# 2010 starts with the basics and brings you thoroughly up to speed. You′ll first cover the fundamentals such as variables, flow control, and object–oriented programming and gradually build your skills for Web and Windows programming,
1082p bookstore_1 10012013 77 24 Download

Thanks to a long, successful marketing campaign by De Beers, diamonds became strongly associated with romantic love, first in the United States and then globally (see.Figure.5). In the 1940s the company launched a longrunning and renowned campaign around the theme “A diamond is forever.” Over many decades, hundreds of millions of dollars were spent to market the notion that diamonds signify romance and love. That campaign benefited the entire diamond industry.
1309p lenh_hoi_xung 21022013 28 11 Download

This project support sự development of the tree in An error has Nhuận quy descriptor small ở domain Trung Việt Nam, development sawlogs keo may giá trị cao cho of ngành Công Nghiệp mode variable gỗ ran of Việt Nam. Project build feature enable khoa learning of Viên Khoa learning Lâm nghiệp Việt Nam (FSIV) to make lai like Keo phu combine most to sawlog Serial, process and actions Nghiên look up application toán lâm sinh to support in Bến Rừng Firmware and error has Nhuận.
19p xau_la 10022012 46 10 Download

An international bestseller for eight years, Just Java™ 2 is the complete, accessible Java tutorial for working programmers at all levels. Fully updated and revised, this sixth edition is more than an engaging overview of Java 2 Standard Edition (J2SE 1.5) and its libraries: it’s also a practical introduction to today’s best enterprise and serverside programming techniques. Just Java™ 2, Sixth Edition, reflects both J2SE 1.5 and the latest Tomcat and servlet specifications. Extensive new coverage includes:...
3822p truongnghen 21012013 40 10 Download

Organic pollutants cause several environmental problems if discharged to air or water body. The occurrence of organic pollutants in the ecosystem, their risk and removal methods are very important issues .This book deals with several aspects of organic pollutants, especially in the light of organic pollutants monitoring, risk assessment as well as the practical application of different techniques for removing it from the environment.
238p phoebe75 19022013 23 9 Download

In general we do not like to wait. But reduction of the waiting time usually requires extra investments. To decide whether or not to invest, it is important to know the eect of the investment on the waiting time. So we need models and techniques to analyse such situations.In this course we treat a number of elementary queueing models. Attention is paid to methods for the analysis of these models, and also to applications of queueing models.
180p dinhnhambk 04042013 36 9 Download

The book is divided into two parts: Circuit Design and System Design. The first part deals with everything that goes directly inside the main code, while the second deals with units that might be located in a library (for code sharing, reuse, and partitioning).
376p vanmanh1008 24062013 42 10 Download

Applied statistics for civil and environmental engineers has many contents: Preliminary Data Analysis, Basic Probability Concepts, Random Variables and Their Properties, Model Estimation and Testing, Methods of Regression and Multivariate Analysis, Frequency Analysis of Extreme Events, Simulation Techniques for Design, Risk and Reliability Analysis, Bayesian Decision Methods and Parameter Uncertainty.
737p doremon3244 05062014 40 13 Download

Over the last decade, a Bayesian network has become a popular representation for encoding uncertain expert knowledge in expert systems. A Bayesian network is a graphical model for probabilistic relationships among a set of variables. It is a graphical model that encodes probabilistic relationships among variables of interest. When used in conjunction with statistical techniques, the graphical model has several advantages for data modeling. So what do Bayesian networks and Bayesian methods have to offer? There are at least four benefits described in the following....
124p bi_bi1 08072012 37 7 Download

The determination of enzyme AChE continues to be widely used to measure the exposure to OF and C, however, interpretations of results are highly variable, since there are genetic and physiological causes as well as associated pathologies, which can decrease the levels of this enzyme (Varona et al, 2007).
374p conquynho32 18092012 36 8 Download