1. Wiki Search

2. Un Motor de Búsqueda

3. Apache Lucene Inverted Index – They built one so you don’t have to! Open Source in Java Super fast, super great, super simple!

4. 1. Download Project & Data http://aidanhogan.com/teaching/cc5212-1/mdp-lab7.zip http://aidanhogan.com/teaching/cc5212-1/mdp-lab7-data/

5. 2. Eclipse Encoding Run > Run Configurations > Common UTF-8

6. 3. Let’s Build the Index org.mdp.cli.IndexTitleAndAbstract

7. 4. Let’s Build the Search App org.mdp.cli.SearchIndex

8. 5. Run Some Searches Try “obama” for example … nice ranking? Try change the BOOST fields in SearchIndex (at the top) to weigh titles more/less heavily Play around, see what you think?

9. How to improve ranking?

10. Course Marking 45% for Weekly Labs (~3% a lab!) 35% for Final Exam 20% for Small Class Project

11. Class Project Done in pairs (Except Alejandro :P) Goal: Use what you’ve learned to do something cool (basically) Expected difficulty: More than a lab’s worth – But from scratch / without my help! Marked on: Difficulty, appropriateness, scale, good use of techniques, presentation, coolness – Ambition is appreciated, even if you don’t succeed: feel free to bite off more than you can chew! Process: – Pair up (default random) by Wednesday – Decide on a topic (by June 9 th ) or let me assign one – If you need data or get stuck, I will (try to) help out Deliverables: 10 minute presentation (June 23 rd ) & 4-page report