Formulating search strings_0

Formulating search strings_0 - Formulating search strings...

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Formulating search strings Finding Online Health Information Workshop I Vietnam National Training Programme
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Once we reach a resource, we want to do ’good’ searches Efficient : takes little time Effective: finds what you want
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Good searches require good search strings Spelling Truncation Boolean operators (AND/OR) Choice of terms Punctuation
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Spelling Does system use American or British spelling? Are compound words hypenated, open, closed? anemia, anaemia HIV-AIDS, HIV/AIDS preeclampsia, pre-eclampsia
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Truncation Does the system allow truncation? What is a reasonable stem? child* = child, child’s, children, children’s, childhood med*
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Boolean operators Does the system support Boolean searches? What operators are recognized? Which one applies for this search? term operator term AND, OR, NOT, …. AND/OR is especially tricky
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It takes practice to get it right….
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I want to find the references that are about either bananas or guavas I want to find the references that are about both bananas and guavas
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OR AND NOT
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Formulating search strings_0 - Formulating search strings...

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