active & deductive databases o b j e c t o r i e n t e d d a t a b a s e s andy kinloch

1. active & deductive databases o b j e c t o r i e n t e d d a t a b a s e s andy kinloch elliot james gordon cheung jamie clague

2. A brief introduction technologies Active Deductive summary the layout to our presentation “how we plan to bore you for 20 minutes” intro active deductive examples summaryquestions

3. aim More functionality Level of intelligence Decrease in user interaction large volumes of data can summarised Validation data is checked before input into system introduction to active & deductive “so why don’t I just use MS access?” intro active deductive examples summaryquestions

4. Active Technology What are active databases Common databases V active ECA Rules execution Coupling Types active “Isn’t this Great?” intro active deductive examples summaryquestions

5. event in plane in air space condition not true Identification of plane not recognised example active database intro active deductive examples summaryquestions

6. event in plane in air space condition identification of plane not recognised action fire missile example active database intro active deductive examples summaryquestions

7. specification facts Rules Inference Engine Interpretation of Rules Proof-theoretic. Model-theoretic. Logic programming deductive databases “taking boredom to a new level ” intro active deductive examples summaryquestions

8. Deductive Database Systems Commercial usages example what deductive can be used in “it may appear we hate you but, we just want the marks ” intro active deductive examples summaryquestions

9. example deductive database Plane spotted Check speed Check plane type Check flight path Check beacon Add 1 to score Is beacon on? Add 1 to score Is flight path correct? Add 0 to score Is plane friendly? Is plane obeying speed restrictions? Add 1 to score Score total : 0 2 1 3 Is score equal or greater than 3 Prompt user intro active deductive examples summaryquestions

10. future developments “We hope your enjoying this as much as we are!! ” • Active • Improved tools for writing rules intro active deductive examples summaryquestions

11. differences summary “i’ve just woken up, what are the main points again? ” active “a deductive database is told by the user what they require, where as an active database is told how” deductive “uses rules and facts to manage data with it’s mechanism” “a deductive database is told by the user what they require, where as an active database is told how” intro active deductive examples summaryquestions

12. questions &maybe answers questions “it’s friday afternoon i’ll look at the report on monday for any questions i have now ” intro active deductive examples summaryquestions