'Brown corpus' presentation slideshows

I256 Applied Natural Language Processing Fall 2009

I256 Applied Natural Language Processing Fall 2009. Lecture 9 Review. Barbara Rosario. Why NLP is difficult. Fundamental goal: deep understand of broad language Not just string processing or keyword matching Language is ambiguous At all levels: lexical, phrase, semantic

1.57k views • 134 slides

Language Modeling

Language Modeling. Roadmap. Motivation: LM applications N-grams Training and Testing Evaluation: Perplexity Entropy Smoothing ( next class): Laplace smoothing Good-Turing smoothing Interpolation & backoff. Predicting Words.

1.32k views • 111 slides

NLTK Tagging

1.06k views • 57 slides

Introduction to Corpus Linguistics

Introduction to Corpus Linguistics . What is a corpus?.

5.68k views • 54 slides

Part-of-Speech Tagging

691 views • 54 slides

I256 Applied Natural Language Processing Fall 2009

I256 Applied Natural Language Processing Fall 2009. Lecture 4 Corpus-based work Corpora and lexical resources Annotation. Barbara Rosario. Today. Text Corpora & Annotated Text Corpora NLTK corpora Use/create your own Lexical resources WordNet VerbNet FrameNet

786 views • 53 slides

530 views • 39 slides

Part-of-Speech Tagging

596 views • 36 slides

CSA2050: Introduction to Computational Linguistics

371 views • 36 slides

Combining Lexical Resources: Mapping Between PropBank and VerbNet

480 views • 27 slides

CSA2050: Introduction to Computational Linguistics

339 views • 21 slides

Word Bi-grams and PoS Tags

School of Computing FACULTY OF ENGINEERING . Word Bi-grams and PoS Tags. COMP3310 Natural Language Processing Eric Atwell, Language Research Group (with thanks to Katja Markert, Marti Hearst, and other contributors). Reminder. FreqDist counts of tokens and their distribution can be useful

288 views • 20 slides

Word Bi-grams and PoS Tags

School of Computing FACULTY OF ENGINEERING . Word Bi-grams and PoS Tags. COMP3310 Natural Language Processing Eric Atwell, Language Research Group (with thanks to Katja Markert, Marti Hearst, and other contributors). Reminder. FreqDist counts of tokens and their distribution can be useful

272 views • 20 slides

Teaching Vocabulary

Teaching Vocabulary. Without grammar, little can be conveyed; without vocabulary, nothing can be conveyed. ----D.Wilkins. Ask yourself before taking action:.

570 views • 14 slides

An overview of the Natural Language Toolkit

An overview of the Natural Language Toolkit. Steven Bird, Ewan Klein, Edward Loper nltk.org. Summary. NLTK is a suite of open source Python modules, data sets and tutorials supporting research and development in natural language processing Download NLTK from nltk.org. Components of NLTK.

155 views • 14 slides

Part of Speech (POS) Tagging Lab

Part of Speech (POS) Tagging Lab. CSC 9010: Special Topics. Natural Language Processing. Paula Matuszek, Mary-Angela Papalaskari Spring, 2005. Examples taken from the Bird, Klein and Loper: NLTK Tutorial, Tagging, nltk.sourceforge.net/tutorial/tagging/index.html. Simple Taggers.

411 views • 11 slides

Development of computers 1970-2009

Corpora: From magnetic tape to web access Knut Hofland, hofland@uib.no , icame.uib.no/history/poster.ppt UNIFOB Aksis, Bergen, Norway. Brown Corpus was made from 1961-64 12.02.1977: ICAME founded in Oslo 29-30.03.1979: First ICAME conference in Bergen 1977-79: ICAME News started March 1978

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Development of computers 1970-2009

Corpora: From magnetic tape to web access Knut Hofland, hofland@uib.no , icame.uib.no/history/poster.ppt UNIFOB Aksis, Bergen, Norway. Brown Corpus was made from 1961-64 12.02.1977: ICAME founded in Oslo 29-30.03.1979: First ICAME conference in Bergen 1977-79: ICAME News started March 1978

115 views • 1 slides