1. Term Project
CS 359
Document Indexing and Retrival

2. IR System

3. IR System
• Spider (Nat)

4. IR System
• Spider (Nat)
• Tokenization (Klang)

5. IR System
• Spider (Nat)
• Tokenization (Klang)
• GUI (Ploy)

6. IR System
• Spider (Nat)
• Tokenization (Klang)
• GUI (Ploy)
• Searching/Scoring (Job)

7. Spider

8. Spider
• CyberNeko Html
• Groovy

9. Spider
• CyberNeko Html
• Groovy

10. Spider (cont.)

11. Spider (cont.)
• Link Gathering (Link Collection)
• Html Unescape
• Download Page

12. Link Gathering

13. Link Gathering

14. Link Gathering

15. Tokenization

16. Tokenization
• http://sansarn.com/lexto/

17. GUI

18. GUI

19. Why Groovy?
• Super set of Java
• Shorter than java
.....

20. Groovy Example
• println 0..6
===> [0,1,2,3,4,5,6]
• [0,1,2,3,4,5,6,7,8,9].findAll{it%2==0}
===> [0, 2, 4, 6, 8]
• println "http://www.google.com".toURL().text