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CAD C ONTEST 2013 P ROBLEM E: R EGION Q UERY Ming-Ter Kuo and Abner Huang Synopsys Taiwan Limited Sponsor: Minister of Education, Republic of China (Taiwan)

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Outline 2 Introduction Contest problem Benchmark cases Evaluation metrics Contest results

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Introduction – Region Query Searching for objects that intersect a specified window area in two-dimensional space is commonly referred to as region query. 3

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Region Query Commands Five types of region query commands Find the polygons contained by a window. Find the polygons interacting with a window. Find the polygons interacting with a window that do not overlap with others. Find the polygons whose area are less than a given number. Find the percentage (density) of the given window area that are covered by polygons. 4

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Contest Problem 5 Input data: polygons described by a list of points with two dimensional coordinates. Query commands: five types of commands with a specified window or area constraint. FIND_INSIDE FIND_INTERACT FIND_NO_OVERLAP FIND_AREA_LESS_THAN FIND_DENSITY_INSIDE

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Contest Problem 6 Output: report the number of polygons for polygon queries. For the density query, report the percentage. Example: FIND_INSIDE 58 106 137 174 10 FIND_INTERACT 58 106 137 174 12 FIND_NO_OVERLAP 58 106 137 174 8 FIND_AREA_LESS_THAN 20 4 FIND_DENSITY_INSIDE 58 106 137 174 12.09%

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Benchmark Cases 7 Case No.No. of PolygonsNo. of VerticesNo. of 45-degree Edges 112643012880940 215990917952510 3180378138260122815 423796014438720 558211053859140 642385027740960 Each case is run with 500 queries (100 queries per type).

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Evaluation Metrics 8 Correctness: 50% Score is calculated by the number of correct answers. Each case must have at least 80% correct answers. Runtime: 40% Score is calculated by a normalized runtime factor among all contest programs. Cutoff time for each case is 1 hour. Memory usage: 10% Score is calculated by a normalized peak memory factor among all contest programs.

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Team Statistics 9 PhraseNo. of Teams Registration49 Code Submission46 Finalists8 Finalists are the teams who have program capability that meets the correctness and runtime criteria.

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Case 1: p126430 10 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb04010020.1724156068.922 cadb06010050.669856861.165 cadb068100327.2413758054.168 cadb069100119.6521343654.897 cadb0801008.6542672100.001 cadb08110079.5312602457.746 cadb10210065.725299263.324 cadb10910030.3018937663.673

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Case 2: p159909 11 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb04010031.5231692067.742 cadb06010065.7013370062.064 cadb068100608.5925656853.148 cadb069100219.5726719654.507 cadb08010012.5059464100.001 cadb081100122.6817185657.546 cadb10210098.3711216060.385 cadb10910047.2225497262.923

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Case 3: p180378 12 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb04010022.4526992071.712 cadb06010080.0410777660.513 cadb068100506.1121855653.338 cadb069100248.8227712053.727 cadb08010011.0753668100.001 cadb081100143.2313765256.996 cadb102100115.918174460.394 cadb10910057.3521096460.265

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Case 4: p237960 13 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb04010032.8428315663.202 cadb06010083.6312632458.834 cadb068100360.6617500854.217 cadb069100245.9932604453.218 cadb0801009.2255844100.001 cadb081100174.6417691655.276 cadb102100132.277386860.353 cadb10910066.5022632058.015

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Case 5: p582110 14 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb040100148.8454811656.443 cadb060100401.0322152056.284 cadb068873599.2237902446.348 cadb069100448.4067317253.037 cadb08010017.08101436100.001 cadb081100410.6329562455.105 cadb102100589.4915528057.692 cadb109100318.5147010854.306

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Case 6: p423850 15 TeamCorrectness (%) Runtime (sec) Memory (K bytes) ScoreRank cadb040100234.02102920857.745 cadb060100233.5141410460.442 cadb0681002804.2791404452.538 cadb069100532.1893966854.597 cadb08010034.75185728100.001 cadb081100463.2556398057.646 cadb102100387.5137419258.554 cadb109100196.0579426459.433

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Total Rank Values 16 The team with the lowest total rank value wins the contest.

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17 cadb060Zhe-Huai Lin Prof. Chia-Tso Chao National Chiao Tung University cadb102Ying-Yu Tseng cadb109Hao-Wei Liu cadb081Kai ChenProf. Juinn-Dar Huang 3 rd Place Winners

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18 cadb040 Tin-Yin Lai and Prof. Chia-Tso Chao National Chiao Tung University 2 nd Place Winner

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19 cadb080 Yu-Hao Huang and Prof. Chia-Tso Chao National Chiao Tung University 1 st Place Winner

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