NEW SOUTH WALES Algorithms COMP3121/9101 School of Computer Science and Engineering University of New South Wales 5. THE FAST FOURIER TRANSFORM COMP3121/9101 1 / 32 Our strategy to multiply polynomials fast: Given two polynomials of degree at most n, PA(x)=Anxn +…+A0; PB(x)=Bnxn +…+B0 1 convert them into value representation at 2n + 1 distinct points […]
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Discussion School of Computing and Information Systems The University of Melbourne COMP90042 NATURAL LANGUAGE PROCESSING (Semester 1, 2020) Sample solutions for discussion exercises: Week 4 1. What is a POS tag? • A POS tag, AKA word classes, is a label assigned to a word token in a sen- tence which indicates some grammatical (primarily
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Classification (2) COMP9417 Machine Learning and Data Mining Term 2, 2020 COMP9417 ML & DM Classification (2) Term 2, 2020 1 / 104 Acknowledgements Material derived from slides for the book “Elements of Statistical Learning (2nd Ed.)” by T. Hastie, R. Tibshirani & J. Friedman. Springer (2009) http://statweb.stanford.edu/~tibs/ElemStatLearn/ Material derived from slides for the book
Probabilistic Context-Free Grammar COMP90042 Natural Language Processing Lecture 15 COPYRIGHT 2020, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L15 • Context-free grammars assign hierarchical structure to language ‣ Linguistic notion of a ‘syntactic constituent’ ‣ Formulated as generating all strings in the language; or ‣ Predicting the structure(s) for a given string Ambiguity In Parsing
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ECON6300/7320/8300 Advanced Microeconometrics Finite Mixtures Christiern Rose 1 1University of Queensland 1/22 Review: Series Estimation Series estimation is widely used for nonparametric analysis. Let φ1(·), φ2(·), . . . be a sequence of (basis) functions such that ∞ θjφj(·) j=1 approximates any function on the same domain with some θ1,θ2,…. Then, if
Recap: Logic Typed Lambda Calculus Algebraic Type Isomorphism Polymorphism and Parametricity 1 Software System Design and Implementation Theory of Types Liam O’Connor University of Edinburgh LFCS (and UNSW) Term 2 2020 Recap: Logic Typed Lambda Calculus Algebraic Type Isomorphism Polymorphism and Parametricity Logic Natural Deduction 2 We can specify a logical system as a deductive
Fine-tuning with BERT¶ In this workshop, we’ll learn how to use a pre-trained BERT model for a sentiment analysis task. We’ll be using the pytorch framework, and huggingface’s transformers library, which provides a suite of transformer models with a consistent interface. Note: You may find certain parts of the code difficult to follow. This is
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School of Computing and Information Systems The University of Melbourne COMP90042 NATURAL LANGUAGE PROCESSING (Semester 1, 2020) Workshop exercises: Week 4 Discussion 1. What is a POS tag? (a) What are some common approaches to POS tagging? What aspects of the data might allow us to predict POS tags systematically? (b) POS tag (by hand)
NEW SOUTH WALES Algorithms: COMP3121/9101 School of Computer Science and Engineering University of New South Wales 11. INTRACTABILITY COMP3121/3821/9101/9801 1 / 29 Feasibility of Algorithms We say that a (sequential) algorithm is polynomial time if for every input it terminates in polynomially many steps in the length of the input. This means that there exists
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Classification (2) COMP9417 Machine Learning and Data Mining Term 2, 2020 COMP9417 ML & DM Classification (2) Term 2, 2020 1 / 104 Acknowledgements Material derived from slides for the book “Elements of Statistical Learning (2nd Ed.)” by T. Hastie, R. Tibshirani & J. Friedman. Springer (2009) http://statweb.stanford.edu/~tibs/ElemStatLearn/ Material derived from slides for the book