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Consider the following documents (note: assume that these are the entire documen

ID: 3528275 • Letter: C

Question

Consider the following documents (note: assume that these are the entire document): (note2: for this question only, assume the tokenizer handles punctuation and reduces terms to lowercase) Doc 1: Treatment of methicillin resistant staphylococcus aureus. Doc 2: MRSA spread amongst wrestlers, treatment and prophylaxis. Doc 3: Treatment of antibiotic resistant hospital-acquired staph. aureus infection. Doc 4: MRSA: multidrug-resistant staphylococcus aureus Which of the following statements are true? Select one or more: a. The query "aureus NOT mrsa" will return two documents b. The query "mrsa OR aureus" will return all of the documents in the set c. The query "wrestlers AND staphylococcus" will not return any results d. The boolean OR operator corresponds to the intersection in set theory e. In boolean logic, 1 OR 0 = 1

Explanation / Answer

a. The query "aureus NOT mrsa" will return two documents


d. The boolean OR operator corresponds to the intersection in set theory