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Statistical Machine Translation

Statistical Machine Translation

Statistical Machine Translation Alona Fyshe Based on slides from Colin Cherry and Dekang Lin Basic statistics 0 <= P(x) <=1 P(A) Probability that A happens P(A,B) Probabiliy that A and B happen P(A|B) Probability that A happens given that we know B happened Basic statistics

By ostinmannual
(358 views)

Bayesian Statistics and Belief Networks

Bayesian Statistics and Belief Networks

Bayesian Statistics and Belief Networks. Overview. Book: Ch 8.3 Refresher on Bayesian statistics Bayesian classifiers Belief Networks / Bayesian Networks. Why Should We Care?. Theoretical framework for machine learning, classification, knowledge representation, analysis

By salena
(765 views)

One-class Training for Masquerade Detection

One-class Training for Masquerade Detection

One-class Training for Masquerade Detection. Ke Wang Columbia University Computer Science IDS Lab. Masquerade Attack. One user impersonates another Access control and authentication cannot detect it (legitimate credentials are presented) Can be the most serious form of computer abuse

By eagan
(1 views)

Speling Korecksion: A Survey Of Techniques from Past to Present

Speling Korecksion: A Survey Of Techniques from Past to Present

Speling Korecksion: A Survey Of Techniques from Past to Present. A UCSD Research Exam by Dustin Boswell. September 20 th 2004. Presentation Outline. Introduction to Spelling Correction Techniques Difficulties Noisy Channel Model My Implementation Demonstration Conclusions.

By africa
(134 views)

Probabilistic Robotics

Probabilistic Robotics

Probabilistic Robotics. Introduction Probabilities Bayes rule Bayes filters. Probabilistic Robotics. Key idea: Explicit representation of uncertainty using the calculus of probability theory Perception = state estimation Action = utility optimization. Axioms of Probability Theory.

By filia
(120 views)

Bayesian Reasoning

Bayesian Reasoning

Bayesian Reasoning. Chapter 13. Thomas Bayes, 1701-1761. Today’ s topics. Review probability theory Bayesian inference From the joint distribution Using independence/factoring From sources of evidence Naïve Bayes algorithm for inference and classification tasks. Consider.

By sadah
(141 views)

Hidden Markov Model

Hidden Markov Model

Hidden Markov Model . 11/28/07. Bayes Rule. The posterior distribution Select k with the largest posterior distribution. Minimizes the average misclassification rate. Maximum likelihood rule is equivalent to Bayes rule with uniform prior. Decision boundary is . Naïve Bayes approximation.

By dacian
(194 views)

Instructor: Eli Upfal Brown University Computer Science

Instructor: Eli Upfal Brown University Computer Science

CS145: Probability & Computing Lecture 10: Continuous Bayes’ Rule, Joint and Marginal Probability Densities. Instructor: Eli Upfal Brown University Computer Science. Figure credits: Bertsekas & Tsitsiklis , Introduction to Probability , 2008 Pitman, Probability , 1999. Midterm Exam.

By brennan
(213 views)

Recursive Bayes Filtering Advanced AI

Recursive Bayes Filtering Advanced AI

Recursive Bayes Filtering Advanced AI. Wolfram Burgard. Tutorial Goal. To familiarize you with probabilistic paradigm in robotics Basic techniques Advantages Pitfalls and limitations Successful Applications Open research issues . Robotics Yesterday. Robotics Today. RoboCup.

By oriel
(474 views)

One-class Training for Masquerade Detection

One-class Training for Masquerade Detection

One-class Training for Masquerade Detection. Ke Wang Columbia University Computer Science IDS Lab. Masquerade Attack. One user impersonates another Access control and authentication cannot detect it (legitimate credentials are presented) Can be the most serious form of computer abuse

By pepin
(186 views)

Probabilistic Robotics: Probabilistic Primer and Bayes Filters

Probabilistic Robotics: Probabilistic Primer and Bayes Filters

Probabilistic Robotics: Probabilistic Primer and Bayes Filters. Sebastian Thrun, Alex Teichman Stanford Artificial Intelligence Lab.

By terrian
(159 views)

Probability: Review Pieter Abbeel UC Berkeley EECS Many slides adapted from Thrun , Burgard and Fox, Probabilistic R

Probability: Review Pieter Abbeel UC Berkeley EECS Many slides adapted from Thrun , Burgard and Fox, Probabilistic R

Probability: Review Pieter Abbeel UC Berkeley EECS Many slides adapted from Thrun , Burgard and Fox, Probabilistic Robotics. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A A A A A A A A A. Why probability in robotics?.

By clint
(123 views)

C3: Conditional Probability And Independence

C3: Conditional Probability And Independence

MATH 3033 based on Dekking et al. A Modern Introduction to Probability and Statistics. 2007 Slides by James Connolly Instructor Longin Jan Latecki . C3: Conditional Probability And Independence. 3.1 – Conditional Probability.

By eytan
(207 views)

Protein and gene model inference based on statistical modeling in k -partite graphs

Protein and gene model inference based on statistical modeling in k -partite graphs

Protein and gene model inference based on statistical modeling in k -partite graphs. Sarah Gester , Ermir Qeli , Christian H. Ahrens, and Peter Buhlmann. Problem Description. Given peptides and scores/probabilities, infer the set of proteins present in the sample. PERFGKLMQK. Protein A.

By libby
(90 views)

IMST 2008 / FIM XVI

IMST 2008 / FIM XVI

Decision theoretic Bayesian hypothesis testing with focus on skewed alternatives. By Naveen K. Bansal Ru Sheng Marquette University Milwaukee, WI 53051 Email: naveen.bansal@mu.edu http://www.mscs.mu.edu/~naveen/. IMST 2008 / FIM XVI. Directional Error (Type III error):

By cale
(118 views)

Bayesian Statistics and Belief Networks

Bayesian Statistics and Belief Networks

Bayesian Statistics and Belief Networks. Overview. Book: Ch 13,14 Refresher on Probability Bayesian classifiers Belief Networks / Bayesian Networks. Why Should We Care?. Theoretical framework for machine learning, classification, knowledge representation, analysis

By dillan
(264 views)

Principles of Game Theory

Principles of Game Theory

Principles of Game Theory. Lecture 14: Signaling. Administrative. Homework due Saturday Last quiz on Sunday. Last time. Games of incomplete information Uncertainty over types of players Asymmetric information and the strategic manipulation of information

By yelena
(126 views)

CS 4705 Part of Speech Tagging

CS 4705 Part of Speech Tagging

CS 4705 Part of Speech Tagging. Slides adapted from Bonnie Dorr, Julia Hirschberg, Dan Jurafsky, and James Martin. Outline. Finishing up Last time Evaluation Other Methods Transformation rule based Markov Chains. Evaluating performance. How do we know how well a tagger does?

By mizell
(91 views)

Comp. Genomics

Comp. Genomics

Comp. Genomics. Recitation 6 14/11/06 ML and EM. Outline. Maximum likelihood estimation HMM Example EM Baum-Welch algorithm. Maximum likelihood. One of the methods for parameter estimation Likelihood: L=P(Data|Parameters) Simple example: Simple coin with P(head)=p 10 coin tosses

By ave
(198 views)

Dr. Matthew Ikl é Department of Mathematics and Computer Science Adams State College

Dr. Matthew Ikl é Department of Mathematics and Computer Science Adams State College

Imprecise Probabilities and Their Role in General Intelligence A Pragmatic Approach to Calculating “Weight of Evidence” Combining Imprecise Probabilities and Confidence Intervals. Dr. Matthew Ikl é Department of Mathematics and Computer Science Adams State College. Probability Theory.

By valin
(106 views)

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