3. We have a two-word query. For one term the postings list consists of the following...
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3. We have a two-word query. For one term the postings list consists of the following 16 entries: [4,6,10,12,14,16,18,20,22,32,47,81,120,122,157,180] and for the other it is the one entry postings list: [47]. Work out how many comparisons would be done to intersect the two postings lists with the following two strategies. Briefly justify your answers (Let (x,y) denote a posting comparison. x refers to a value in the upper list and y refers to a value in the lower list) write down those comparisons): a. Using standard postings lists b. Using postings lists stored with skip pointers, with a skip length of VP (for a postings list of length P). 3. We have a two-word query. For one term the postings list consists of the following 16 entries: [4,6,10,12,14,16,18,20,22,32,47,81,120,122,157,180] and for the other it is the one entry postings list: [47]. Work out how many comparisons would be done to intersect the two postings lists with the following two strategies. Briefly justify your answers (Let (x,y) denote a posting comparison. x refers to a value in the upper list and y refers to a value in the lower list) write down those comparisons): a. Using standard postings lists b. Using postings lists stored with skip pointers, with a skip length of VP (for a postings list of length P).
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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