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secondo/bin/Scripts/Network_TBA-Queries.SEC

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2026-01-23 17:03:45 +08:00
################################################################################
## File: Network Queries for Trip Based Approach ###############################
################################################################################
## This file is part of SECONDO. ##
## ##
## Copyright (C) 2010, University in Hagen, Faculty of Mathematics and ##
## Computer Science, Database Systems for New Applications. ##
## ##
## SECONDO is free software; you can redistribute it and/or modify ##
## it under the terms of the GNU General Public License as published by ##
## the Free Software Foundation; either version 2 of the License, or ##
## (at your option) any later version. ##
## ##
## SECONDO is distributed in the hope that it will be useful, ##
## but WITHOUT ANY WARRANTY; without even the implied warranty of ##
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ##
## GNU General Public License for more details. ##
## ##
## You should have received a copy of the GNU General Public License ##
## along with SECONDO; if not, write to the Free Software ##
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ##
################################################################################
# #
# Network queries for the trip based approach of the BerlinMOD Benchmark. #
# #
# The script assumes that there is a database berlinmod with a network data #
# model representation of the BerlinMOD Benchmark data. #
# #
# This database can be generated by the script 'BerlinMOD_DataGenerator.SEC'. #
# The network data model representation and accroding indexes can be generated #
# with the script 'Network_CreateObjects.SEC' #
# #
################################################################################
# #
# Start Script Opening the Database #
# #
################################################################################
open database berlinmod;
query now();
################################################################################
# #
# Query 1: What are the models of the vehicles with license plate numbers from #
# QueryLicence? #
# #
################################################################################
let TBANres001 =
QueryLicences feed {l}
loopjoin [dataMcar_Licence_btree dataMcar exactmatch[.Licence_l]]
project [Licence, Model]
consume;
query now();
################################################################################
# #
# Query 2: How many vehicles exit that are passenger cars? #
# #
################################################################################
let TBANres002 =
dataMcar feed
filter [.Type = "passenger"]
count;
query now();
################################################################################
# #
# Query 3: Where have the vehicles with licenses from QueryLicence1 been at #
# each instant from QueryInstant1? #
# #
################################################################################
let TBANres003 =
QueryLicences1 feed {l}
loopsel[dataMcar_Licence_btree dataMcar exactmatch[.Licence_l] {ll}]
loopjoin[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_ll]]
QueryInstant1 feed {i}
symmjoin [.Trip present ..Instant_i]
projectextend[Instant_i, Licence_ll; Pos: val(.Trip atinstant .Instant_i)]
sortby[Instant_i, Licence_ll]
consume;
query now();
################################################################################
# #
# Query 4: Which license plate numbers belong to vehicles that have passed the #
# points from QueryPoints? #
# #
################################################################################
let TBANres004 =
QueryPointsNet feed projectextend[Id, Pos; Elem: gpoint2rect(.Pos)]
loopjoin[dataMNtrip_TrajBoxNet windowintersectsS[.Elem]
sort rdup dataMNtrip gettuples]
filter[.Trip passes .Pos]
project [Moid, Id]
loopsel[fun(t:TUPLE) dataMcar_Moid_btree dataMcar exactmatch[attr(t, Moid)]
projectextend[Licence; Id: attr(t,Id)]]
sortby [Id asc, Licence asc]
krdup[Id, Licence]
consume;
query now();
################################################################################
# #
# Query 5: What is the minimum distance between places, where a vehicle with a #
# license from QueryLicences1 and a vehicle with Licenses from #
# QueryLicence2 have been? #
# #
################################################################################
let TBANres005 =
QueryLicences1 feed project[Licence] {LL1}
loopsel[ fun(t:TUPLE)
dataMcar_Licence_btree dataMcar exactmatch[attr(t,Licence_LL1)] {CAR}
loopsel[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_CAR]]
projectextend[;Traj: trajectory(.Trip)]
aggregateB[Traj; fun(L1: gline, L2: gline) L1 union L2; [const gline value ()]]
feed namedtransformstream[Traxj]
extend[Licence: attr(t,Licence_LL1)]
]
projectextend[Licence; Trax: gline2line(.Traxj)]{c1}
QueryLicences2 feed project[Licence] {LL2}
loopsel[ fun(s:TUPLE)
dataMcar_Licence_btree dataMcar exactmatch[attr(s,Licence_LL2)] {CAR}
loopsel[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_CAR]]
projectextend[;Traj: trajectory(.Trip)]
aggregateB[Traj; fun(L3: gline, L4: gline) L3 union L4; [const gline value ()]]
feed namedtransformstream[Traxj]
extend[Licence: attr(s,Licence_LL2)]
]
projectextend[Licence; Trax: gline2line(.Traxj)]{c2}
product
projectextend [Licence_c1, Licence_c2; Distance: round(distance(.Trax_c1, .Trax_c2),3)]
sortby[Licence_c1, Licence_c2]
consume;
query now();
################################################################################
# #
# Query 6: What are the pairs of license plate numbers of "trucks", that have #
# been as close as 10m or less to each other? #
# #
################################################################################
let TBANres006tmp1 =
dataMcar feed filter [.Type = "truck"]
project [Licence, Moid] {c}
loopjoin[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_c]]
projectextend [;Licence: .Licence_c, BBox: mgpbbox(.Trip), Ptrip: mgpoint2mpoint(.Trip)]
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))]
consume;
query now();
let TBANres006 =
TBANres006tmp1 feed {c1}
TBANres006tmp1 feed {c2}
symmjoin[(.Box_c1 intersects ..Box_c2) and (.Licence_c1 < ..Licence_c2)]
filter [everNearerThan(.Ptrip_c1, .Ptrip_c2, 10.0)]
project [Licence_c1, Licence_c2]
sortby [Licence_c1 asc, Licence_c2 asc]
krdup [Licence_c1, Licence_c2]
consume;
query now();
delete TBANres006tmp1;
query now();
################################################################################
# #
# Query 7: What are the license plate numbers of the "passenger" cars that #
# have reached points from QueryPoints first of all "passenger" cars #
# during the complete observation period? #
# #
################################################################################
let TBANres007tmp1 =
QueryPointsNet feed
projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]
loopsel[fun(t:TUPLE) dataMNtrip_TrajBoxNet windowintersectsS[attr(t,Prect)]
sort rdup dataMNtrip gettuples
filter[.Trip passes (attr(t,Pos))]
loopjoin[dataMcar_Moid_btree dataMcar exactmatch [.Moid]
filter[.Type = "passenger"]
project[Licence] {X}]
projectextend[ Licence_X;TimeAtPos: inst(initial(.Trip at attr(t,Pos))), Id: attr(t, Id)]]
sortby [Id asc, TimeAtPos asc]
consume;
query now();
let TBANres007 =
TBANres007tmp1 feed
groupby [Id; FirstTime: group feed min[TimeAtPos]]{b}
TBANres007tmp1 feed {a}
symmjoin[(..Id_a = .Id_b)]
filter[.TimeAtPos_a <= .FirstTime_b]
project [Id_a, Licence_X_a]
sortby [Id_a asc, Licence_X_a asc]
krdup [Id_a, Licence_X_a]
consume;
query now();
delete TBANres007tmp1;
query now();
################################################################################
# #
# Query 8: What are the overall traveled distances of the vehicles with #
# license plate numbers from QueryLicences1 during the periods from #
# QueryPeriods1? #
# #
################################################################################
let TBANres008 =
QueryLicences1 feed {l}
loopjoin[dataMcar_Licence_btree dataMcar exactmatch[.Licence_l]]
project[Licence, Moid]
loopsel[fun(t:TUPLE) dataMNtrip_Moid_btree dataMNtrip exactmatch[attr(t, Moid)]
projectextend[Trip; Licence: attr(t,Licence)]]
QueryPeriods1 feed
symmjoin [.Trip present ..Period]
projectextend [Licence, Period, Id; Distance: length(.Trip atperiods .Period)]
sortby [Id asc, Licence asc, Distance desc]
groupby[Id, Period, Licence; Dist: round(group feed sum[Distance],3)]
project[Licence, Period, Dist]
sortby[Licence, Period, Dist]
consume;
query now();
################################################################################
# #
# Query 9: What is the longest distance that was traveled by a vehicle during #
# each of the periods from QueryPeriods? #
# #
################################################################################
let TBANres009 =
dataMNtrip feed {c}
QueryPeriods feed
filter[not(isempty(.Period))]{p}
symmjoin[.Trip_c present ..Period_p]
projectextend [Moid_c, Period_p, Id_p; Distance: length(.Trip_c atperiods .Period_p)]
sortby [Id_p asc, Period_p asc, Moid_c asc, Distance desc]
groupby[Id_p, Period_p, Moid_c; Dist: group feed sum[Distance]]
groupby[Id_p, Period_p; Dista: round(group feed max[Dist],3)]
filter[.Dista > 0.0]
project[Period_p, Dista]
sortby[Period_p, Dista]
consume;
query now();
################################################################################
# #
# Query 10: When and where did the vehicles with license plate numbers from #
# QueryLicences1 meet other vehicles (distance < 3m) and what are #
# the latter licenses? #
# #
################################################################################
let TBANres010 =
QueryLicences1 feed project[Licence] {V1}
loopsel[ fun(t:TUPLE)
dataMcar_Licence_btree dataMcar exactmatch[attr(t,Licence_V1)]
project[Moid]
loopjoin[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid] remove[Moid]] {V3}
extend[T3bbx: mgpbbox(.Trip_V3)]
extend[PtripA: mgpoint2mpoint(.Trip_V3)]
loopjoin[ fun(u:TUPLE)
dataMNtrip_SpatioTemp
windowintersectsS[rectangle3(
minD(attr(u,T3bbx),1) - 3.0,
maxD(attr(u,T3bbx),1) + 3.0,
minD(attr(u,T3bbx),2) - 3.0,
maxD(attr(u,T3bbx),2) + 3.0,
minD(attr(u,T3bbx),3),
maxD(attr(u,T3bbx),3))
] sort rdup
dataMNtrip gettuples
filter[.Moid # attr(u, Moid_V3)]
projectextend[Moid; PtripB: mgpoint2mpoint(.Trip)]
filter[everNearerThan(attr(u, PtripA), .PtripB, 3.0)]
projectextend[Moid; Times: deftime((distance(attr(u, PtripA), .PtripB) < 3.0) at TRUE)]
filter[not(isempty(.Times))]
loopjoin[dataMcar_Moid_btree dataMcar exactmatch[.Moid] project[Licence]]
]
projectextend[Times, Trip_V3; QueryLicence:
attr(t, Licence_V1), OtherLicence: .Licence]
projectextend[QueryLicence, OtherLicence; Pos: .Trip_V3 atperiods .Times]
filter[not(isempty(.Pos))]
]
sortby[QueryLicence asc, OtherLicence asc]
groupby [QueryLicence, OtherLicence; AllPos: group feed
aggregateB[Pos; fun(M1:mgpoint, M2:mgpoint) M1 union M2; [const mgpoint value()]]]
project[QueryLicence, OtherLicence, AllPos]
sortby[QueryLicence, OtherLicence, AllPos]
consume;
query now();
################################################################################
# #
# Query 11: Which vehicles passed a point from QueryPoints1 at one of the #
# instants from QueryInstant1? #
# #
################################################################################
let TBANres011 =
QueryInstant1 feed {i}
QueryPoints1Net feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]{p}
product
loopsel[fun(t:TUPLE) dataMNtrip_BoxNet_timespace windowintersectsS[box3d(attr(t,Prect_p), attr(t,Instant_i))]
sort rdup dataMNtrip gettuples
filter[.Trip passes (attr(t,Pos_p))]
projectextend [Moid; Id: attr(t,Id_p), Instant: attr(t,Instant_i)]]{a}
loopjoin[dataMcar_Moid_btree dataMcar exactmatch[.Moid_a]]
project[Id_a, Instant_a, Licence]
sortby [Id_a asc, Instant_a asc, Licence asc]
krdup [Id_a, Instant_a, Licence]
consume;
query now();
################################################################################
# #
# Query 12: Which vehicles met at a point from QueryPoints1 at an instant from #
# QueryInstant1? #
# #
################################################################################
let TBANres012tmp1 =
QueryPoints1Net feed projectextend[Id, Pos; Prect: gpoint2rect(.Pos)]{p}
QueryInstant1 feed {i}
product
projectextend [Id_p, Pos_p, Instant_i; Box: box3d(.Prect_p, .Instant_i)]
loopsel[fun(t:TUPLE) dataMNtrip_BoxNet_timespace windowintersectsS[attr(t,Box)]
sort rdup dataMNtrip gettuples
filter[.Trip passes (attr(t,Pos_p))]
projectextend [Moid; Id: attr(t,Id_p), Instant: attr(t,Instant_i)]]{a}
loopjoin[dataMcar_Moid_btree dataMcar exactmatch[.Moid_a]]
projectextend[Moid, Licence; Id: .Id_a, Instant: .Instant_a]
consume;
query now();
let TBANres012 =
TBANres012tmp1 feed {A}
TBANres012tmp1 feed {B}
symmjoin [(.Id_A = ..Id_B) and (.Instant_A = ..Instant_B) and (.Moid_A < ..Moid_B)]
project [Id_A, Instant_A, Licence_A, Licence_B]
sortby [Id_A asc, Instant_A asc, Licence_B asc]
consume;
query now();
delete TBANres012tmp1;
query now();
################################################################################
# #
# Query 13: Which vehicles traveled within one of the regions from #
# QueryRegions1 during the periods from QueryPeriods1? #
# #
################################################################################
let TBANres013 =
dataMNtrip feed {c}
QueryRegions1Net feed filter[not(isempty(.Region))] {r}
symmjoin[.Trip_c passes ..Region_r]
projectextend[Moid_c, Id_r; Trip: .Trip_c at .Region_r]
QueryPeriods1 feed filter[not(isempty(.Period))]{p}
symmjoin [.Trip present ..Period_p]
loopjoin [dataMcar_Moid_btree dataMcar exactmatch[.Moid_c]]
project[Licence, Id_r, Period_p]
sortby [ Licence asc, Id_r asc, Period_p asc]
krdup [ Licence, Id_r, Period_p]
consume;
query now();
################################################################################
# #
# Query 14: Which vehicles traveled within one of the regions from #
# QueryRegions1 at one of the instants from QueryInstant1? #
# #
################################################################################
let TBANres014 =
QueryRegions1Net feed filter[not(isempty(.Region))] projectextendstream[Id, Region; Brect: routeintervals(.Region)]{r}
QueryInstant1 feed {i}
product
projectextend[Id_r, Region_r, Instant_i; Box: box3d(.Brect_r, .Instant_i)]
loopsel[fun(t:TUPLE) dataMNtrip_BoxNet_timespace windowintersectsS[attr(t,Box)]
sort rdup dataMNtrip gettuples
filter[(val(.Trip atinstant (attr(t,Instant_i)))) inside (attr(t,Region_r))]
projectextend [Moid;Instant: attr(t,Instant_i), Id: attr(t,Id_r)]]{a}
loopjoin[dataMcar_Moid_btree dataMcar exactmatch [.Moid_a]]
projectextend[Licence; Id: .Id_a, Instant: .Instant_a]
sortby [Id asc, Instant asc, Licence asc]
krdup[Id, Instant, Licence]
consume;
query now();
################################################################################
# #
# Query 15: Which vehicles passed a point from QueryPoints1 during a period #
# from QueryPeriods1? #
# #
################################################################################
let TBANres015 =
QueryPoints1Net feed projectextend [Id, Pos; Prect: gpoint2rect(.Pos)] {p}
QueryPeriods1 feed filter[not(isempty(.Period))]{t}
product
loopsel[fun(t:TUPLE) dataMNtrip_BoxNet_timespace windowintersectsS[box3d(attr(t,Prect_p), attr(t,Period_t))]
sort rdup dataMNtrip gettuples
filter[(.Trip atperiods (attr(t,Period_t))) passes (attr(t,Pos_p))]
projectextend [Moid;Period: attr(t,Period_t), Id: attr(t,Id_p)]]{a}
loopjoin[dataMcar_Moid_btree dataMcar exactmatch [.Moid_a]]
projectextend[Licence; Id: .Id_a, Period: .Period_a]
sortby [Id asc, Period asc, Licence asc]
krdup[Id, Period, Licence]
project[Licence, Id, Period]
consume;
query now();
################################################################################
# #
# Query 16: List the pairs of licenses for vehicles the first from #
# QueryLicences1, the second from QueryLicences2, where the #
# corresponding vehicles are both present within a Region from #
# QueryRegions1 during a period from QueryPeriod1, but do not meet #
# each other there and then. #
# #
################################################################################
let TBANres016 =
QueryLicences1 feed {l}
loopjoin [dataMcar_Licence_btree dataMcar exactmatch[.Licence_l]] {a}
loopjoin[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_a]]
QueryPeriods1 feed filter[not(isempty(.Period))]{p}
symmjoin [.Trip present ..Period_p]
projectextend[Id_p, Period_p; Licence: .Licence_a, Trip: .Trip atperiods .Period_p]
filter[no_components(.Trip)>0]
QueryRegions1Net feed filter[not(isempty(.Region))]{r}
symmjoin [.Trip passes ..Region_r]
projectextend[Licence, Id_p, Period_p, Id_r; Trip: .Trip at .Region_r]
filter [no_components(.Trip) > 0]{a}
QueryLicences2 feed {l}
loopjoin [dataMcar_Licence_btree dataMcar exactmatch[.Licence_l]]{a}
loopjoin[dataMNtrip_Moid_btree dataMNtrip exactmatch[.Moid_a]]
QueryPeriods1 feed filter[not(isempty(.Period))]{p}
symmjoin [.Trip present ..Period_p]
projectextend[Id_p, Period_p; Licence: .Licence_a, Trip: .Trip atperiods .Period_p]
filter[no_components(.Trip)>0]
QueryRegions1Net feed filter[not(isempty(.Region))]{r}
symmjoin [.Trip passes ..Region_r]
projectextend[Licence, Id_p, Id_r; Trip: .Trip at .Region_r]
filter [no_components(.Trip) > 0]{b}
symmjoin[(.Id_r_a = ..Id_r_b) and (.Id_p_a = ..Id_p_b)]
filter[.Licence_a # .Licence_b]
filter [not(.Trip_a intersects .Trip_b)]
project [Id_r_a, Id_p_a, Licence_a, Licence_b]
sortby [Id_r_a asc, Id_p_a asc, Licence_a asc, Licence_b asc]
krdup [Id_r_a, Id_p_a, Licence_a, Licence_b]
consume;
query now();
################################################################################
# #
# Query 17: Which points from QueryPoints have been visited by a maximum #
# number of different vehicles? #
# #
################################################################################
let TBANres017tmp1 =
QueryPointsNet feed
projectextend[Id, Pos; Elem: gpoint2rect(.Pos)]
loopsel[fun(t:TUPLE) dataMNtrip_TrajBoxNet windowintersectsS[attr(t,Elem)]
sort rdup dataMNtrip gettuples
filter [.Trip passes (attr(t,Pos))]
projectextend [Moid; Id_p: attr(t,Id)]]
sortby [Id_p asc, Moid asc]
krdup[Id_p, Moid]
groupby[Id_p; Hits: group feed count]
consume;
query now();
let TBANres017 =
TBANres017tmp1 feed
filter [.Hits = (TBANres017tmp1 feed max[Hits])]
project [Id_p, Hits]
consume;
query now();
delete TBANres017tmp1;
query now();
################################################################################
# #
# Uncomment the next lines if you want to save run time information on disk #
# #
################################################################################
let QRT_NET_TBA = SEC2COMMANDS feed consume;
# save EVAL_SEC2COMMANDS_NETTBA to 'NetworkTBANNNRunTimesRunX.DAT';
# delete EVAL_SEC2COMMANDS_NETTBA;
################################################################################
# #
# Finish Script and Close Database #
# #
################################################################################
close database;