Course Solutions Uncategorized (Solved) : Algorithm 1 Shows Algorithm Pseudo Code Manning Et Al Intersect Two Posting Lists Inverted Q29723508 . . . .

(Solved) : Algorithm 1 Shows Algorithm Pseudo Code Manning Et Al Intersect Two Posting Lists Inverted Q29723508 . . . .

 

Algorithm 1 shows an algorithm in pseudo code from Manning et al. on how to intersect two posting lists from an inverted index. The algorithm can be used to efficiently implement an AND-query in boolean retrieval: after receiving a query of the form q1 AND q2 , the information retrieval system looks up the posting lists p1 and p2 for the query keywords ql and q2 from the inverted index, and finally intersects the two posting lists via the specified algorithm. The result is then a posting lists of all documents that contained both keywords. This works because set 

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