INFO 340 - L12 - May 3, 2004


Midterm wednesday
   questions will be like the ones online
   they are hard....
   Not a big emphasis on conceptual modeling
   still study it

no notes, I asked him already

ew Dave said hit that

P2 - 17 May
A4 - 26 May
Final 2 June (yay) holler!

<greenshit>WELCOME TO I FRIGGIN R!</greenshit>
    > Relational databases are beautiful, like me, because of the logic of relational algebra
        - Formal modeling
    
    > Information Retrieval systems are beautiful because they model how humans use language
        - Empirical, cognitive modeling


Two Different Worlds

    DBMS                        IR
    Student Information         Web Search Engine
        System

    * Data Structured           * Data Unstructured
    * Purpose: Well-defined     * Purpose: ?
    * Users: Specific Job Roles * Users: ?