487 lines
21 KiB
Plaintext
487 lines
21 KiB
Plaintext
################################################################################
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## File: Network Queries for Object Based Approach #############################
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################################################################################
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## This file is part of SECONDO. ##
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## ##
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## Copyright (C) 2010, University in Hagen, Faculty of Mathematics and ##
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## Computer Science, Database Systems for New Applications. ##
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## ##
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## SECONDO is free software; you can redistribute it and/or modify ##
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## it under the terms of the GNU General Public License as published by ##
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## the Free Software Foundation; either version 2 of the License, or ##
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## (at your option) any later version. ##
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## ##
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## SECONDO is distributed in the hope that it will be useful, ##
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## but WITHOUT ANY WARRANTY; without even the implied warranty of ##
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ##
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## GNU General Public License for more details. ##
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## ##
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## You should have received a copy of the GNU General Public License ##
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## along with SECONDO; if not, write to the Free Software ##
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## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ##
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################################################################################
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# #
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# Network queries for the object based approach of the BerlinMOD Benchmark. #
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# #
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# The script assumes that there is a database berlinmod with a network data #
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# model representation of the BerlinMOD Benchmark data. #
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# #
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# This database can be generated by the script 'BerlinMOD_DataGenerator.SEC'. #
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# The network data model representation and accroding indexes can be generated #
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# with the script 'Network_CreateObjects.SEC' #
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# #
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################################################################################
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# #
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# Start Script Opening the Database #
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# #
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################################################################################
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open database berlinmod;
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query now();
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################################################################################
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# #
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# Query 1: What are the models of the vehicles with license plate numbers from #
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# QueryLicence? #
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# #
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################################################################################
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let OBANres001 =
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QueryLicences feed {l}
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loopjoin [dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l]]
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project [Licence, Model]
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consume;
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query now();
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################################################################################
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# #
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# Query 2: How many vehicles exist that are passenger cars? #
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# #
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################################################################################
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let OBANres002 =
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dataSNcar feed filter [.Type = "passenger"]
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count;
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query now();
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################################################################################
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# #
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# Query 3: Where have the vehicles with licenses from QueryLicence1 been at #
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# each instant from QueryInstant1? #
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################################################################################
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let OBANres003 =
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QueryLicences1 feed {l}
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loopjoin [dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l]]
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project [Licence, Trip]
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QueryInstant1 feed {i}
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product
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projectextend[Licence, Instant_i; Pos: val(.Trip atinstant .Instant_i)]
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consume;
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query now();
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################################################################################
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# #
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# Query 4: Which license plate numbers belong to vehicles that have passed the #
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# points from QueryPoints? #
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# #
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################################################################################
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let OBANres004 =
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QueryPointsNet feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]
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loopjoin[dataSNcar_TrajBoxNet windowintersectsS[.Prect]
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sort rdup dataSNcar gettuples]
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filter [.Trip passes .Pos]
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project [Id, Licence]
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sortby [Id asc, Licence asc]
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krdup [Id, Licence]
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consume;
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query now();
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################################################################################
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# #
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# Query 5: What is the minimum distance between places, where a vehicle with a #
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# license from QueryLicences1 and a vehicle with licenses from #
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# from QueryLicence2 have been? #
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################################################################################
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let OBANres005tmp1 =
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QueryLicences1 feed {l1}
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loopsel[dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l1]
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projectextend[Licence; TrajLine: gline2line(trajectory(.Trip))]]
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consume;
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query now();
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let OBANres005tmp2 =
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QueryLicences2 feed {l2}
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loopsel[dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l2]
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projectextend[Licence; TrajLine: gline2line(trajectory(.Trip))]]
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consume;
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query now();
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let OBANres005 =
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OBANres005tmp1 feed {c1}
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OBANres005tmp2 feed {c2}
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product
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projectextend [Licence_c1, Licence_c2; Distance: round(distance(.TrajLine_c1, .TrajLine_c2),3)]
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sortby[Licence_c1, Licence_c2]
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consume;
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query now();
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delete OBANres005tmp1;
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delete OBANres005tmp2;
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query now();
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################################################################################
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# #
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# Query 6: What are the pairs of license plate numbers of "trucks", that have #
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# been as close as 10m or less to each other? #
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# #
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################################################################################
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let OBANres006tmp1 =
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dataSNcar feed
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filter [.Type = "truck"]
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projectextend [Licence; Ptrip: mgpoint2mpoint(.Trip), BBox: mgpbbox(.Trip)]
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projectextend [Licence, Ptrip; Box: rectangle3(minD(.BBox,1) - 5.0, maxD(.BBox,1) + 5.0, minD(.BBox,2) - 5.0, maxD(.BBox,2) + 5.0, minD(.BBox,3), maxD(.BBox,3))]
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consume;
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query now();
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let OBANres006 =
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OBANres006tmp1 feed {a}
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OBANres006tmp1 feed {b}
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symmjoin [(.Box_a intersects ..Box_b) and (.Licence_a < ..Licence_b) and (everNearerThan(.Ptrip_a, ..Ptrip_b, 10.0))]
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project [Licence_a, Licence_b]
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sortby [Licence_a asc, Licence_b asc]
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krdup [Licence_a, Licence_b]
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consume;
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query now();
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delete OBANres006tmp1;
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query now();
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################################################################################
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# #
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# Query 7: What are the license plate numbers of the "passenger" cars that #
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# have reached points from QueryPoints first of all "passenger" cars #
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# during the complete observation period? #
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# #
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################################################################################
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let OBANres007tmp1 =
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QueryPointsNet feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]
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loopsel [fun(t:TUPLE) dataSNcar_TrajBoxNet windowintersectsS[attr(t,Prect)]
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sort rdup dataSNcar gettuples
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filter [.Type = "passenger"]
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projectextend[Licence; Id: attr(t,Id) , Instant: inst(initial(.Trip at attr(t,Pos)))]]
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filter[not(isempty(.Instant))]
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sortby[Id asc, Instant asc]
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consume;
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query now();
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let OBANres007 =
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OBANres007tmp1 feed groupby[Id; FirstTime: group feed min[Instant]]{b}
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OBANres007tmp1 feed {a}
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symmjoin [..Id_a = .Id_b]
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filter[.Instant_a <= .FirstTime_b]
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project[Id_a, Licence_a]
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sortby[Id_a, Licence_a]
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consume;
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query now();
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delete OBANres007tmp1;
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query now();
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################################################################################
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# #
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# Query 8: What are the overall traveled distances of the vehicles with #
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# license plate numbers from QueryLicences1 during the periods from #
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# QueryPeriods1? #
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# #
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################################################################################
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let OBANres008 =
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QueryLicences1 feed {l}
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loopsel [dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l]]
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QueryPeriods1 feed filter[not(isempty(.Period))] {p}
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product
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projectextend [Licence, Period_p; Distance: round(length(.Trip atperiods .Period_p),3)]
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sortby[Licence, Period_p]
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consume;
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query now();
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################################################################################
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# #
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# Query 9: What is the longest distance that was traveled by a vehicle during #
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# each of the periods from QueryPeriods? #
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# #
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################################################################################
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let OBANres009 =
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dataSNcar feed {c}
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QueryPeriods feed filter[not(isempty(.Period))]{p}
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product
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projectextend [Id_p, Period_p, Licence_c; Dist: round(length(.Trip_c atperiods .Period_p),3)]
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sortby [Id_p asc, Period_p asc, Dist desc]
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groupby [Id_p, Period_p; Distance: group feed max[Dist]]
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project[Id_p, Period_p, Distance]
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project [Period_p, Distance]
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consume;
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query now();
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################################################################################
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# #
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# Query 10: When and where did the vehicles with license plate numbers from #
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# QueryLicences1 meet other vehicles (distance < 3m) and what are #
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# the latter licenses? #
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# #
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################################################################################
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let OBANres010 =
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dataSNcar feed
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projectextend[Licence; TripA: mgpoint2mpoint(.Trip), BBox: mgpbbox(.Trip)]
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projectextend[Licence, TripA;Box: rectangle2((minD(.BBox,1) - 1.5), (maxD(.BBox,1) + 1.5), (minD(.BBox,2) - 1.5), (maxD(.BBox,2) + 1.5))]{c1}
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QueryLicences1 feed
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loopsel[dataSNcar_Licence_btree dataSNcar exactmatch[.Licence]]
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projectextend[Licence, Trip; BBox: mgpbbox(.Trip)]
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projectextend [Licence, Trip; TripA: mgpoint2mpoint(.Trip), Box: rectangle2((minD(.BBox,1) - 1.5), (maxD(.BBox,1) + 1.5), (minD(.BBox,2) - 1.5), (maxD(.BBox,2) + 1.5))] {c2}
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symmjoin[.Box_c1 intersects ..Box_c2]
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filter [.Licence_c1 # .Licence_c2]
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filter [everNearerThan(.TripA_c1, .TripA_c2, 3.0)]
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projectextend [Licence_c1, Licence_c2; Pos: .Trip_c2 atperiods deftime((distance(.TripA_c1, .TripA_c2) < 3.0) at TRUE)]
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filter [not(isempty(.Pos))]
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project [Licence_c2, Licence_c1, Pos]
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sortby [Licence_c2 asc, Licence_c1 asc]
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consume;
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query now();
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################################################################################
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# #
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# Query 11: Which vehicles passed a point from QueryPoints1 at one of the #
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# instants from QueryInstant1? #
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# #
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################################################################################
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let OBANres011 =
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QueryInstant1 feed {i}
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QueryPoints1Net feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]{p}
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product
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projectextend[Id_p, Pos_p, Instant_i; Box: box3d(.Prect_p, .Instant_i)]
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loopsel[fun(t:TUPLE) dataSNcar_BoxNet_timespace windowintersectsS[attr(t,Box)]
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sort rdup dataSNcar gettuples
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filter [.Trip passes (attr(t,Pos_p))]
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projectextend [Licence; Id: attr(t,Id_p), Instant: attr(t,Instant_i)]]
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sortby[Id, Licence, Instant]
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consume;
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query now();
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################################################################################
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# #
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# Query 12: Which vehicles met at a point from QueryPoints1 at an instant from #
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# QueryInstant1? #
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# #
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################################################################################
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let OBANres012tmp1 =
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QueryInstant1 feed {i}
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QueryPoints1Net feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]{p}
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product
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loopsel[fun(t:TUPLE) dataSNcar_BoxNet_timespace windowintersectsS[box3d(attr(t,Prect_p), attr(t,Instant_i))]
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sort rdup dataSNcar gettuples
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filter [.Trip passes (attr(t,Pos_p))]
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projectextend [Licence; Id_p: attr(t,Id_p), Pos_p: attr(t,Pos_p), Instant_i: attr(t,Instant_i)]]
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sortby [Id_p asc, Instant_i asc, Licence asc]
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consume;
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query now();
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let OBANres012 =
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OBANres012tmp1 feed {c1}
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OBANres012tmp1 feed {c2}
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symmjoin [(.Licence_c1 < ..Licence_c2) and (.Id_p_c1 = ..Id_p_c2) and (.Instant_i_c1 = ..Instant_i_c2)]
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project [Id_p_c1, Pos_p_c1, Instant_i_c1, Licence_c1, Licence_c2]
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sortby [Id_p_c1 asc, Instant_i_c1 asc, Licence_c2 asc]
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consume;
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query now();
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delete OBANres012tmp1;
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query now();
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################################################################################
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# #
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# Query 13: Which vehicles traveled within one of the regions from #
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# QueryRegions1 during the periods from QueryPeriods1? #
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# #
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################################################################################
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let OBANres013 =
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dataSNcar feed {c}
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QueryRegions1Net feed filter[not(isempty(.Region))] {r}
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symmjoin[.Trip_c passes ..Region_r]
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projectextend[Licence_c, Id_r, Region_r; Trip: .Trip_c at .Region_r]
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QueryPeriods1 feed filter[not(isempty(.Period))]{p}
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symmjoin [.Trip present ..Period_p]
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projectextend[Id_r, Period_p; Licence: .Licence_c, Trip: .Trip atperiods .Period_p]
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filter [no_components(.Trip) > 0]
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project[Id_r, Period_p, Licence]
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sortby[Id_r asc, Period_p asc, Licence asc]
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consume;
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query now();
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################################################################################
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# #
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# Query 14: Which vehicles traveled within one of the regions from #
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# QueryRegions1 at one of the instants from QueryInstant1? #
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# #
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################################################################################
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let OBANres014 =
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dataSNcar feed
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QueryInstant1 feed
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product
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projectextend[Licence, Instant; PosX: val(.Trip atinstant .Instant)]
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projectextendstream[Licence, Instant; Pos: polygpoints(.PosX,B_NETWORK)]
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QueryRegions1Net feed filter[not(isempty(.Region))]
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symmjoin[.Pos inside ..Region]
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project[Id, Instant, Licence]
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sortby [Id asc, Instant asc, Licence asc]
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krdup[Id, Instant, Licence]
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consume;
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query now();
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################################################################################
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# #
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# Query 15: Which vehicles passed a point from QueryPoints1 during a period #
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# from QueryPeriods1? #
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# #
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################################################################################
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let OBANres015 =
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QueryPoints1Net feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)] {p}
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QueryPeriods1 feed filter[not(isempty(.Period))] {t}
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product
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projectextend[Id_p, Pos_p, Period_t; Box: box3d(.Prect_p, .Period_t)]
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loopsel [fun(t:TUPLE) dataSNcar_BoxNet_timespace windowintersectsS[attr(t, Box)]
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sort rdup dataSNcar gettuples
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filter[(.Trip atperiods (attr(t,Period_t))) passes (attr(t,Pos_p))]
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projectextend[; Id: attr(t,Id_p), Period: attr(t,Period_t), Licence: .Licence]]
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sortby [Id asc, Period asc, Licence asc]
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krdup [Id, Period, Licence]
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consume;
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query now();
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################################################################################
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# #
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# Query 16: List the pairs of licenses for vehicles the first from #
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# QueryLicences1, the second from QueryLicences2, where the #
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# corresponding vehicles are both present within a region from #
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# QueryRegions1 during a period from QueryPeriod1, but do not meet #
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# each other there and then. #
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# #
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################################################################################
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let OBANres016 =
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QueryLicences1 feed {l}
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loopjoin [dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l]] {c}
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QueryPeriods1 feed filter[not(isempty(.Period))]{p}
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symmjoin [.Trip_c present ..Period_p]
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projectextend[Id_p, Period_p; Licence: .Licence_c, Trip: .Trip_c atperiods .Period_p]
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filter [no_components(.Trip) > 0]
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QueryRegions1Net feed filter[not(isempty(.Region))] {r}
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symmjoin[.Trip passes ..Region_r]
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projectextend[Licence, Id_r, Region_r, Id_p, Period_p; Trip: .Trip at .Region_r]
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filter [no_components(.Trip) > 0]{a}
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QueryLicences2 feed {l}
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loopjoin [dataSNcar_Licence_btree dataSNcar exactmatch [.Licence_l]] {c}
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QueryPeriods1 feed filter[not(isempty(.Period))]{p}
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symmjoin [.Trip_c present ..Period_p]
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projectextend[Id_p, Period_p; Licence: .Licence_c, Trip: .Trip_c atperiods .Period_p]
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filter [no_components(.Trip) > 0]
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QueryRegions1Net feed filter[not(isempty(.Region))] {r}
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symmjoin[.Trip passes ..Region_r]
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projectextend[Licence, Id_r, Region_r, Id_p, Period_p; Trip: .Trip at .Region_r]
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filter [no_components(.Trip) > 0]{b}
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symmjoin[(.Id_r_a = ..Id_r_b) and (.Id_p_a = ..Id_p_b)]
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filter [.Licence_a # .Licence_b]
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filter[not(.Trip_a intersects .Trip_b)]
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project [Id_r_a, Period_p_a, Licence_a, Licence_b]
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sortby[Id_r_a, Period_p_a, Licence_a, Licence_b]
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consume;
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query now();
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################################################################################
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# #
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# Query 17: Which points from QueryPoints have been visited by a maximum #
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# number of different vehicles? #
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# #
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################################################################################
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let OBANres017tmp1 =
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dataSNcar feed {c}
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QueryPointsNet feed {p}
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symmjoin [.Trip_c passes ..Pos_p]
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project [Id_p, Licence_c]
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sortby [Id_p, Licence_c]
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krdup [Id_p, Licence_c]
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groupby[Id_p; Hits: group feed count]
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consume;
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query now();
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let OBANres017 =
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OBANres017tmp1 feed
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filter [.Hits = (OBANres017tmp1 feed max[Hits])]
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project [Id_p, Hits]
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consume;
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query now();
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delete OBANres017tmp1;
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query now();
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################################################################################
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# #
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# To save runtime information on hard disk uncomment the next lines #
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# #
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################################################################################
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let QRT_NET_OBA = SEC2COMMANDS feed consume;
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# save EVAL_SEC2COMMANDS_NETOBA to 'NetworkOBANNNRunTimesRunX.DAT';
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# delete EVAL_SEC2COMMANDS_NETOBA;
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################################################################################
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# #
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# Finish Script and Close Database #
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# #
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################################################################################
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close database;
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