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(83) A3/16<=@23@B=@32C13 B637<4:C3<13=4<=7A3/<2/@B74/1BA/>@3>@=13AA7<5=4&&B7;3AA3@73AE/A1/@@732=CB&&A35;3<BAE3@3/113>B32 =<:G74B63:=<53AB31B=>7103/BAA3?C3<13=@B63:=<53AB/@B74/1B7<B633F/;7<32A35;3<BE/AA6=@B3@B6/< A/<274 B63 B=B/: 2C@/B7=< =4 /@B74/1BA /<2 31B=>71 03/BA E/A A6=@B3@ B6/< =4 B63 A35;3@3 >@=13AA7<5>6/A37B6/AB=031=<A723@32B6/B&&A3@73A/@3/A3?C3<13=4D/@G7<57<B3@D/:AB6/B=11C@/B<=<3?C727AB/:7<5B7;3A/<2B6/B@34CA32&&;CAB03/>>@=>@7/B3:G@3>:/132+7B6B63/7;B=>3@4=@;/</:GA7A@3?C7@7<5B7;3 A3@73AA/;>:32/B/1=<AB/<B4@3?C3<1G&&A3?C3<13AE3@37<B3@>=:/B320GCA7<51C071A>:7<30/A32=<D/:72&& D/:C3A/<2@3A/;>:32/B H!=@3=D3@A7<13B63=@757</:@31=@27<5AAB/@B32/B27443@3<BB7;3AB63AC0831BAN&&B7;3 A3@73AE3@3/:75<32B=6/D3/1=;;=<AB/@BB7;3/B /; (=23A1@703?C/<B7B/B7D3:G&*A75</:E31/:1C:/B32=<3/16A35;3<B/<2AC0831BA3D3@/::7<3/@/<2<=<:7<3/@ &*>/@/;3B3@AAC113AA7D3:G/D3@/532/:=<5B63 6(63:7<3/@>/@/;3B3@A3F>:=7B32B7;3/<24@3?C3<1G2=;/7<A <B634=@;3@B63;3/<;3/<&&/<2B63AB/<2/@223D7/B7=<'""=4B63&&7<B3@D/:AB63@==B;3/<A?C/@3=4B63 A?C/@3227443@3<13A=4AC113AA7D3&&7<B3@D/:A&!''B63<C;03@=427443@3<13A=4AC113AA7D3&&7<B3@D/:A5@3/B3@ B6/< ;A"" /<2B63>@=>=@B7=<=4"" 27D72320GB63B=B/:<C;03@=4&&7<B3@D/:A>"" E3@31/:1C:/B32 <B634@3?C3<1G2=;/7<B63/0A=:CB3>=E3@A7<6756/<2:=E 4@3?C3<1G0/<2AE3@33F/;7<32(63>=E3@ 7<67564@3?C3<1G0/<24@=; HB= H7A/<7<271/B=@=4B63D/5CA<3@D31=<B@=:=<B6363/@B@6GB6;E67:3.

(85) . G. Silveri et al. / Procedia Computer Science 176 (2020) 2940–2948 87,251%0)52')(-%20387)5 '-)1') =. . 2943 . B63>=E3@7<:=E4@3?C3<1G0/<24@=; HB= H7A2C3B=B638=7<B/1B7=<=4B63D/5/:/<2AG;>/B63B71 1=;>=<3<BA=<B6363/@B03/BA;=2C:/B7=<E7B6/>@32=;7</<13=4B63AG;>/B63B71=<3,

(86)

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(89) -7A/?C/<B7B/B7D3D7AC/:B316<7?C3B6/B@3>@3A3<BAB63>@=831B7=<=4B63/BB@/1B=@7<B63>6/A3A>/13 7</BE=27;3<A7=</:A>/13=0B/7<320G>:=BB7<53/16>=7<B=4B63B7;3A3@73A/5/7<ABB63<3FB=<3(6327A>3@A7=<=4 >=7<BA>3@>3<271C:/@B=B63:7<3=4723<B7BG@34:31BAB63:3D3:=4A6=@BB3@;D/@7/07:7BG' =4B63&&A3?C3<13AE67:3 B6327A>3@A7=<=4>=7<BA/:=<5B63:7<3=4723<B7BG7<271/B3AB63:3D3:=4:=<5B3@;D/@7/07:7BG' =4B63&&A3?C3<13A ' ' /<2 B637@ @/B7= ' ' @3>@3A3<B7<5 B63 @3:/B7=<A67> 03BE33< B63A3 1=;>=<3<BA E3@3 B63 B6@33 >/@/;3B3@A 1=<A723@32!=@3=D3@4@/1B/:27;3<A7=<?C/<B74G7<5B634@/1B/::793036/D7=@=4/B7;3A3@73A/<2B63 1=;>:3F7BG=4B63AGAB3;>@=2C17<5B63A75</:E/A3D/:C/B320GCA7<575C167NA/:5=@7B6;,

(90) -(63:/AB<=<:7<3/@ >/@/;3B3@ B63 03B/ 3F>=<3=E3@ A>31B@C; =4 && 7<B3@D/: E/A 1/:1C:/B32/AB63A:=>3=4B63@35@3AA7=<:7<3=4B63:=5>=E3@D3@ACA:=54@3?C3<1G@3:/B7=<7<B63 M H 4@3?C3<1G@/<53>@=D727<5/<7<23F4=@:=<5B3@;A1/:7<516/@/1B3@7AB71A=4&*A75</:,

(91) - <=@23@B=1:/AA74G!E323D3:=>32A7F27443@3<B1:/AA7473@ACA7<5B6@3327443@3<BAC0A3BA=4<=@;/:7H32&* 43/BC@3A E7B6 /53 /<2 A3F /<2 /227<5 7< 6/:4 =4 B63; B63 :34B D3<B@71C:/@ 3831B7=< 4@/1B7=< * (63 47@AB 1=;07</B7=<=443/BC@3A(& E/A=0B/7<32/>>:G7<5B63AB3>E7A3@35@3AA7=<B=/::B63 >/@/;3B3@AA3:31B7<5 B6=A3>@3A3<B7<5A75<7471/D/:C3> <B63A31=<21/A3(& E3A3:31B32B6347@AB>@7<17>/:1=;>=<3<BA 3F>:/7<7<5/B:3/ABB63 =4AGAB3;D/@7/07:7BGE67:37<B63:/AB1/A3(&

(92) E31=<A723@32/::B63 >/@/;3B3@A '7<13B63 *>@=D32B=03/<=<7<D/A7D31:7<71/:>/@/;3B3@/0:3B=27443@3<B7/B3>/B73<BAE7B663/@B4/7:C@3, - E3/22327BB=3/16B6347@ABB6@331=;07</B7=<A=0B/7<7<5=B63@AB6@331=;07</B7=<A=4>/@/;3B3@A(& /<2 </::1/A3AB63B@/7<7<5/<2B3ABA7H3AE3@3@3A>31B7D3:G/<2 =4B63B=B/:<C;03@=42/B/ (63&(/:5=@7B6;,

(93) -7A0/A32=<BE=AB3>AB@335@=E7<5/<2B@33>@C<7<5<B634=@;3@AB/53B63B@335@=EA 0GA3:31B7<54@=;/::B63>=AA70:3A>:7BAB6=A3B6/B53<3@/B3B63<=23AB6/B1=<B/7<A3:3;3<BA=4=<:G=<31:/AA(63 :/@53B@337AB63=CB1=;3=4B67AAB3>'C113AA7D3:GB67AB@337A>@C<32/11=@27<5B=/;7<7;/:1=AB1=;>:3F7BG4C<1B7=< 7<E67160=B6B63<C;03@=4<=23A/<2B63;7A1:/AA7471/B7=<>@=0/07:7BG/@31=<A723@32(63=CB1=;3=4B67AAB3>7A B6303ABAC0B@33B6/B;7<7;7H3AB631=AB1=;>:3F7BG4C<1B7=<<B63B@335@=E7<5B=;3/AC@3B637;>C@7BG=43/16 <=23E3/2=>B32B637<77<23F1@7B3@7=<1=;>CB327<B67AE/G . . . .

(94) . E63@37AB631=<A723@32<=23/<2/@3B63BE=1:/AA:/03:A</<2</@3B63<C;03@=4AC0831BA>@3A3<B/BB63<=23 03:=<57<537B63@B=B631:/AA=@@3A>31B7D3:G/<27AB63B=B/:<C;03@=4AC0831BA/BB63<=23

(95) (=3D/:C/B3B63>3@4=@;/<13=43/161:/AA7473@E3CA32B631=<4CA7=<;/B@713A,

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(97) -<=@23@B=/AA3AAB637<4:C3<13=42/B/7<1:C232.

(98) G. Silveri et al. / Procedia Computer Science 176 (2020) 2940–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(104) . G. Silveri et al. / Procedia Computer Science 176 (2020) 2940–2948 87,251%0)52')(-%20387)5 '-)1') =. . 2945 . D/@7/<137<B632/B/A3B7</::GB63B67@21:/AA7471/B7=<B@33CA32/A7<>CBA/::B63A3D3<B33<>/@/;3B3@A(63/227B7=< =4 */<2B63@3>3B7B7=<=4B63A3:31B7=<B316<7?C3A>@=2C132B6@33<3E>/@/;3B3@A4=@(& /<247D3>@7<17>/: 1=;>=<3<BA4=@(&<(&/::B633756B33<>/@/;3B3@AE3@31=<A723@32/A7<>CBA=4B631:/AA7471/B7=<B@33 <(/0:3 E3@3>=@B327<0=:2B6343/BC@3ACA320G3/1603ABB@334=C<27<B63A7FB61=<27B7=<A>@3A3<B7<5B63 67563AB/11C@/1G/;=<5 27443@3<B1=;07</B7=<A=42/B/4=@B@/7<7<5/<2B3AB (/0:3

(105) A6=EAB631:/AA7471/B7=<>3@4=@;/<13AB=53B63@E7B6B63/@3/C<23@B631C@D3)7<B63B3AB>6/A3=4/:: B63A7F1:/AA7471/B7=<B@33A4B63 *E/A/2232B=B637<>CB67563@>3@4=@;/<13AD/:C3A/0=CB

(106) 4=@/11C@/1G B6/<B6=A3=0B/7<32E7B6=CBB67A1:7<71/:>/@/;3B3@E3@3/1673D32(6303AB/11C@/1G0=B67<1/A3E7B6=@E7B6=CB *E/A/1673D320GCA7<5>/@/;3B3@AA3:31B32E7B6AB3>E7A3@35@3AA7=<(& /<2(& (63(& B@33 >@=2C132B6303AB>3@4=@;/<13E7B6/</11C@/1G=475C@3 A6=EAB63&#1C@D3A=4(& /<2(& 7< B63B3AB>6/A3AE7B6)D/:C3A=4/<2@3A>31B7D3:G75C@3A /<2

(107) A6=EB63(&@3>@3A3<B/B7=<A=4 B63(& /<2(& 6756:756B32B6/B=<:GBE=>/@/;3B3@A */@3AC447173<BB=27AB7<5C7A6E7B6D3@G 6756/11C@/1G!>/B73<BA4@=;<=@;/:AC0831BA . 6. 7. >< 6+(-:HID;-+ .7+(-:HID;-+. . >< -=:BD9:AD;I=:7:HIIG::CDI8DCH>9:G>C<%/-+ L>I= .

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