1. LING/C SC 581: Advanced Computational Linguistics
Lecture Notes
Jan 30th

2. Today's Topic Reminder Homework 4 due tomorrow midnight!
Install tregex

3. Install tregex

4. Penn Treebank documentation
Tagging Guide
Arpa94 paper
Parse Guide

5. tregex Select the PTB directory Browse TREEBANK_3/parsed/mrg/wsj/
Deselect any unwanted files

6. tregex
Search
NP-SBJ << (dominates) vs. < (immediately dominates) NNP

7. tregex
README-tregex.txt

8. tregex
The best introduction to Tregex is the brief powerpoint tutorial for Tregex by Galen Andrew.
The_Wonderful_World_of_Tregex.ppt

9. tregex
useful command line tool:
diff <file1> <file2>