Computer Science · Information Retrieval
Which of the following statements are correct regarding search techniques in database and catalog queries? Statement I: Using Boolean operators (AND, OR, NOT) with proper nesting can improve precision and recall by combining or excluding terms. Statement II: Truncation (e.g., child*) retrieves only exact matches of the root word, thereby reducing recall. Statement III: Phrase searching (e.g., 'climate change') narrows results by forcing words to appear together in the specified order.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I and III only✓
- 2II and III only
- 3I and II only
- 4I, II, and III
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I and III only
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