Boolean Logic
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George Boole was a mathematician and philosopher who invented Boolean logic, which is used in database searching to combine terms. Boolean logic uses operators like AND, OR, and NOT to refine search results by requiring multiple concepts, using synonyms, distinguishing meanings, or eliminating specific topics. Practice examples show searching for "cats OR felines" to increase recall while "cats AND breeds" refines results to multiple concepts.
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Boolean Logic
- 1. AS USED IN DATABASE SEARCHING BOOLEAN LOGIC
- 2. Boo-who? George Boole (1815-1864) Mathematician Philosopher Inventor of Boolean Logic http://www.youtube.com/watch?v=YlghuxGjHok http://kathyschrock.net/rbs3k/boolean/
- 3. A B C
- 7. Practice:
- 8. PART 2: PRACTICE BOOLEAN LOGIC
- 9. When to use What: Review OR Using synonyms Increasing recall AND Multiple concepts or ideas Refining results Cats OR Felines AND Cats AND Breeds
- 10. When to use What: Review NOT Distinguish between multiple meanings Eliminate specific sub-topics Fine-tune broad topics Cats NOT Swing Dance Cats NOT Wild