1. Natural language processing (NLP) Presented By : Mohamed El-Serngawy 2. Agenda  Definition & Introduction  Steps in NLP  Statistical NLP  Real World Application…

1. Natural language processing (NLP) Presented By : Mohamed El-Serngawy 2. Agenda  Definition & Introduction  Steps in NLP  Statistical NLP  Real World Application…

Slide 1 1 Computational Semantics Chapter 18 November 2012 We will not do all of this… Lecture #12 Slide 2 2 Semantic Analysis Semantic analysis is the process of taking…

Slide 1 Basic Parsing with Context- Free Grammars 1 Some slides adapted from Julia Hirschberg and Dan Jurafsky Slide 2  To view past videos: ◦ http://globe.cvn.columbia.edu:8080/oncampus.ph…

Slide 1 Statistical techniques in NLP Vasileios Hatzivassiloglou University of Texas at Dallas Slide 2 Learning Central to statistical NLP In most cases, supervised methods…

Syntax Syntax The study of phrases, clauses, and sentences. 1957 Noam Chomsky “Syntactic Structures” Observations The biggest house vs. theest big house The big house…

Lecture Basic Parsing with Context-Free Grammars 1 Some slides adapted from Julia Hirschberg and Dan Jurafsky 1 To view past videos: http://globe.cvn.columbia.edu:8080/oncampus.php?c=133ae14752e27fde909fdbd64c06b337…

* Computational Semantics Chapter 18 November 2012 We will not do all of this… Lecture #12 * Semantic Analysis Semantic analysis is the process of taking in some linguistic…

Lecture Basic Parsing with Context-Free Grammars 1 Some slides adapted from Julia Hirschberg and Dan Jurafsky 1 To view past videos: http://globe.cvn.columbia.edu:8080/oncampus.php?c=133ae14752e27fde909fdbd64c06b337…

PowerPoint Presentation Albert Gatt Corpora and Statistical Methods Lecture 11 Statistical parsing Part 2 Preliminary issues How parsers are evaluated Evaluation The issue:…