Topic Modelling COMP90042 Natural Language Processing Lecture 20 Semester 1 2021 Week 10 Jey Han Lau COPYRIGHT 2021, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L20 • • • • • English Wikipedia: 6M articles Twitter: 500M tweets per day New York Times: 15M articles arXiv: 1M articles Making Sense of Text What can we do […]
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School of Computing and Information Systems The University of Melbourne COMP90042 NATURAL LANGUAGE PROCESSING (Semester 1, 2021) Sample solutions: Week 4 Discussion 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 syntactic) properties of
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, 2021) Workshop exercises: Week 4 Discussion 1. What is a POS tag? (a) POS tag (by hand) the following sentence: Pierre Vinken, 61 years old, will join the board as a nonexecutive director Nov. 29. according to the Penn
COMP5347: Web Application Development The Browser and the Rendering Process Dr. Basem Suleiman School of Computer Science The University of Sydney Page 1 Outline – Review of Browser – How browser works – HTTP Connection Management – HTTP Caching – Browser Rendering Process – CriticalRenderingPath – DOM and CSSOM – Render Path Analysis The University
COMP90042 Web Search and Text Analysis, Final Exam The University of Melbourne Department of Computing and Information Systems COMP90042 Web Search and Text Analysis June 2016 Identical examination papers: None Exam duration: Two hours Reading time: Fifteen minutes Length: This paper has 6 pages including this cover page. Authorised materials: None Calculators: Not permitted Instructions
COMP90042 Natural Language Processing The University of Melbourne School of Computing and Information Systems COMP90042 Natural Language Processing Mock Exam June 2021 Exam duration: 165 minutes (15 minutes reading time + 120 minutes writing time + 30 minutes technical buffer time) Length: This paper has 4 pages including this cover page. Instructions to students: •
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Text Preprocessing COMP90042 Natural Language Processing Lecture 2 Semester 1 2021 Week 1 Jey Han Lau COPYRIGHT 2021, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L2 2 COMP90042 L2 Definitions • Words ‣ Sequence of characters with a meaning and/or function • Sentence ‣ “The student is enrolled at the University of Melbourne.” • Document: one
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Part of Speech Tagging COMP90042 Natural Language Processing Lecture 5 Semester 1 2021 Week 3 Jey Han Lau COPYRIGHT 2021, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L5 What is Part of Speech (POS)? • AKAwordclasses,morphologicalclasses,syntactic categories • Nouns,verbs,adjective,etc • POStellsusquiteabitaboutawordandits neighbours: ‣ nouns are often preceded by determiners ‣ verbs preceded by nouns ‣ content
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Dependency Grammar COMP90042 Natural Language Processing Lecture 16 Semester 1 2021 Week 8 Jey Han Lau COPYRIGHT 2021, THE UNIVERSITY OF MELBOURNE 1 COMP90042 L16 Context-Free Grammars (Recap) • CFGs assume a constituency tree which identifies the phrases in a sentence ‣ based on idea that these phrases are interchangeable (e.g., swap
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