Question: 3. Read the lecture slides about the pruning conditions for Simple Point Method (SPM) of GNN queries, and prove the pruning condition below (Hint: you


3. Read the lecture slides about the pruning conditions for Simple Point Method (SPM) of GNN queries, and prove the pruning condition below (Hint: you may need to read the original paper of GNN and use the triangle inequality for the proo) [30 points] best dist+dist(q,Q) mindist(N.q)2 Pruning Conditions for SPM An MBR node N can be pruned, if it holds that: best-st+dist(q,Q) mindist(N,q)2 o where best dist is the distance of the best GNN found so far centroid q 4 mindist(N,q-10 mindist(N29-6 3. Read the lecture slides about the pruning conditions for Simple Point Method (SPM) of GNN queries, and prove the pruning condition below (Hint: you may need to read the original paper of GNN and use the triangle inequality for the proo) [30 points] best dist+dist(q,Q) mindist(N.q)2 Pruning Conditions for SPM An MBR node N can be pruned, if it holds that: best-st+dist(q,Q) mindist(N,q)2 o where best dist is the distance of the best GNN found so far centroid q 4 mindist(N,q-10 mindist(N29-6
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