Boolean Logic Table
- Keyword Searching
Different examples; illustrate PubMed and something else
| Illustration | MIRLYN | Proquest | JSTOR | LEXIS Academic | IPSA | Worldwide PoliSci Abstracts PAIS |
|
|---|---|---|---|---|---|---|---|
| PHRASE | "aids orphans" | "aids orphans" | "aids orphans" | aids orphans | aids orphans | aids orphans | "aids orphans" |
| AND | malaria and africa | malaria and africa | malaria and africa | malaria and africa | malaria and africa | malaria and africa | malaria africa |
| OR | tuberculosis or tb | tuberculosis or tb | tuberculosis or tb | tuberculosis or tb | tuberculosis or tb | tuberculosis or tb | tuberculosis OR tb |
| NOT | malaria not AIDS | malaria and not AIDS | malaria not AIDS | malaria and not AIDS | malaria not AIDS | malaria not AIDS | malaria -AIDS |
| COMPLEX SEARCHING | corruption and (mugabe or zimbabwe) | corruption and (mugabe or zimbabwe) | corruption and (mugabe or zimbabwe) | corruption and (mugabe or zimbabwe) | corruption and (mugabe or zimbabwe) | corruption and (mugabe or zimbabwe) | corruption (mugabe OR zimbabwe |
| TRUNCATION | orphan? | orphan? | orphan? | orphan! | orphan* | orphan* | not applicable |
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