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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教* i p. ?5 H$ f% `' ~
globals[* w* f* m3 |3 F" N: R6 v6 W$ m
xmax3 e- ~1 B1 ?$ X
ymax
: g8 Q$ I' P. n( a ^+ s, t& D6 aglobal-reputation-list3 M" [8 C7 C I5 E! E
6 t+ A, \8 N2 w2 J- Z;;每一个turtle的全局声誉都存在此LIST中
% f/ T' L; L* Vcredibility-list7 E7 l" y: c; F" y) g1 c2 n9 b, M
;;每一个turtle的评价可信度
$ E0 D0 O) a% J2 D% l& l3 c2 A* @honest-service
$ F/ v; W& R& X4 R$ T- ?6 G# Aunhonest-service: k6 u8 z4 P, Q' }1 r4 X1 t
oscillation
: `# H: @# _& v6 C, W4 lrand-dynamic7 _7 d/ Y. x( y1 n2 \: ?
]
: b6 C& B0 w8 x- |3 ~7 }- d0 E( y7 A6 N, N0 y
turtles-own[3 {+ [. c p7 I. d$ ?
trade-record-all2 `* D0 l( ~, a0 C! x8 N
;;a list of lists,由trade-record-one组成
4 K$ p: z. d* u2 a7 o6 ttrade-record-one
5 u2 W+ O( E6 y* D) W;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
2 e" `' |3 M% ^4 w- N0 o! t: ]7 z* ?3 ?5 O" V$ u
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
! Q6 x; m& Z! \/ t% `) itrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
4 m$ h4 t9 A. ]credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list5 c2 q T. L, s7 l
neighbor-total
+ J6 h5 h3 a; Q" y( Y;;记录该turtle的邻居节点的数目
$ b) s) m2 s! _7 ]( B2 ntrade-time
, }' B6 e5 M# U: Z' q8 j. a;;当前发生交易的turtle的交易时间+ y5 T& t# P9 h# n7 ^4 m
appraise-give
% h6 Z% L; U) i5 J4 _8 };;当前发生交易时给出的评价- l b N7 f8 p" ^1 L
appraise-receive* ]( ]8 R i# D+ _2 X$ }
;;当前发生交易时收到的评价
: z* x3 f$ n2 L5 i; ]1 n: ^3 {; Bappraise-time
: r3 k* z: s: \$ N* [; }) P0 E;;当前发生交易时的评价时间& z/ P! {5 u) f
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 M( g/ w" Q) E$ x% C5 Mtrade-times-total
d5 G! m( F2 J y' E2 R9 H;;与当前turtle的交易总次数. v) S/ ^$ V# A, R8 e
trade-money-total
: h% T/ d( T0 F, {( d;;与当前turtle的交易总金额
: y. K* J, |4 t% ^& ylocal-reputation. S* d6 x' X3 o, q& B0 D; k8 a
global-reputation
. q4 e* Q" n7 U, A9 k! |* ]credibility
. o9 ^. j1 Z) W$ t9 [" R;;评价可信度,每次交易后都需要更新7 l2 E+ J4 a. N8 f
credibility-all
- i R% v1 a0 L;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
' V( l$ |6 G2 ~+ J" m% N/ m
2 F( @6 o' |4 \+ u;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5# t9 D* T2 ?4 H% D. z& R
credibility-one
+ |2 M+ p! l+ J9 V2 F;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项0 t; R3 E* |6 X7 N$ ~! h* @
global-proportion4 e/ S* Z+ g" G" V% `
customer
/ o3 m$ V( t1 W( Ocustomer-no$ @" n- ~7 I& i R6 `3 {( z9 U% w
trust-ok
& Y& `/ b g, m3 w$ Xtrade-record-one-len;;trade-record-one的长度
% s8 {/ \ q+ Y]. q6 ~$ { L+ `" V7 G5 \8 a
4 g$ B; ?1 b, l u;;setup procedure+ C5 ]6 F3 b, l5 ~2 x
; a9 F9 t( S; r: b4 Z/ i
to setup
0 v4 ~7 R- t0 C( b2 S1 \) t' W$ C6 L$ i" n2 d5 e, v" W4 H
ca2 P7 H! j! Z3 w' S5 X/ H9 n. l
- a3 Y) T4 x& a1 r0 p! \7 Y
initialize-settings
- |1 q# O- t9 j7 U# l5 T$ k" u g8 e& e3 ]* n
crt people [setup-turtles]" ?: i* |! A E1 w
8 R3 y' a7 s: s" _2 Lreset-timer( y7 @5 }' \3 F6 e
1 }3 O5 a- d& n4 i) ]0 c, u3 P( o& c
poll-class
0 W1 p6 W& V" S$ t- s- m% A( ]9 R" R0 w: C
setup-plots1 t. O: I( S$ E( ~# Y5 X
& I1 S% k: W7 k5 }' [! d4 \$ D
do-plots% C5 q J+ U/ _5 t2 h
end
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( W! ?# ?5 @! V7 h" u) K: Vto initialize-settings
" D% Y7 z2 j' e4 ?3 Q! \3 y# h& S3 F$ D. [! ?. ^& F' R
set global-reputation-list []
2 \8 w n* Q4 D' K- i; k$ w0 W7 ~7 I+ z; r+ Y& N
set credibility-list n-values people [0.5]
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- W1 j) ?5 M, z4 {0 X/ nset honest-service 0% U, p& E( O# G0 g; d
# L5 O. ~/ t. V% q5 k( O# g1 O
set unhonest-service 0
/ H1 P1 M+ ?) h2 X1 c! Y: L4 t2 X+ _" E) ?
set oscillation 0! T7 b/ |, M3 c6 C" e) G6 R
" M- e2 j1 p0 n5 n( _( B! b
set rand-dynamic 0
& |7 ` r b- T0 z gend
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to setup-turtles $ n; @2 g6 i$ ~8 R$ K: Y
set shape "person"8 W7 o) w* J4 b$ |8 ~: L$ ~
setxy random-xcor random-ycor; b; y( h+ y4 w6 @5 Z8 h7 f! w) {
set trade-record-one []
5 S3 {) Z" h }; A9 h! Q+ [' M' o+ e/ x* B5 C9 W: k
set trade-record-all n-values people [(list (? + 1) 0 0)] % y( `3 a$ i* p
3 g* l1 @3 E, C7 V7 Mset trade-record-current []$ z1 X: h% l0 x, ]; M8 i3 g! m
set credibility-receive []' o" T. u* i6 ~3 S0 a$ u
set local-reputation 0.59 J, K8 `" J' y8 Z
set neighbor-total 0
2 M4 t6 }2 @( F yset trade-times-total 0: c6 f/ j$ D- l9 I( P4 [
set trade-money-total 0: T' U/ f/ e! ]2 q0 T, F1 y2 v
set customer nobody
3 _7 j# A3 O3 f* z( L6 |9 Jset credibility-all n-values people [creat-credibility]
) Q5 b2 u: s. H3 vset credibility n-values people [-1]' Y e( r ?, |, b! {9 Z. `
get-color; [/ V H& b9 U5 m1 X& l
! u& f1 A3 K- y1 ^! _# J9 _# eend
! x9 S* [ k( `4 v9 {5 k3 ]3 L6 v, _3 |* Q' f: i" H6 h
to-report creat-credibility9 u5 d. M1 U1 Z$ {* X0 x
report n-values people [0.5]
$ W6 y7 D/ }9 ]$ v8 uend
: e) F9 C2 Q7 \) e2 o9 \
; b |- h! Q6 [ m4 ?+ Fto setup-plots
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set xmax 306 D u0 j# _# n- `4 T
9 \: H* b! Q8 c* T" e6 Dset ymax 1.07 U5 u. s4 [2 q( ]9 g0 V) ^4 Q
2 \0 m: x: @7 a9 B5 ]8 `
clear-all-plots# r b- {) ^# U
6 S: }- F: ]- t2 [% g* G. h7 Lsetup-plot1" T9 Y/ G8 l) ` {/ y% p( s" Z) I, ~
' Z, i, R. _/ v, n* n- osetup-plot2' D! ^2 \1 t3 R
! z; J- N$ Q! Y' {, T, a) ^setup-plot3( a# c) U8 m' C9 r5 g
end
2 {( h& J& g( b8 I
w$ {. Q* Y# k5 m: |2 F;;run time procedures+ _! _# X0 M" }8 U: m
Z( _9 G! A. zto go
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$ H5 F% d* r4 }$ s! sask turtles [do-business]7 @3 l: m! R3 \1 G f, h4 Q* b9 H
end4 ~! G1 x# E. g' ?# i$ {" B" v. ^
2 |6 M8 N! Q9 n- o1 dto do-business
$ w" t: z+ G+ f; t8 w* I' s' l) U# L3 { u& l( n, F, j9 M1 m
2 `1 b# e3 }& j0 }rt random 360
4 ` g3 A) R3 F5 o) j1 }0 ^( M; ^9 S1 V4 w8 s0 Q
fd 14 ~" B' H& D% l1 H
( f# ~- u2 n; S* X" Y" q4 F+ hifelse(other turtles-here != nobody)[
% T8 d! a& g& h" |0 q0 k) M7 Z. N" @
set customer one-of other turtles-here
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;; set [customer] of customer myself7 h3 I, a# e6 a4 a
: ` a, C- p8 E7 R8 m9 Yset [trade-record-one] of self item (([who] of customer) - 1)1 i* y' w8 w7 W2 p6 q
[trade-record-all]of self
5 V4 K6 [2 n3 A; s: M;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self$ ~( J* b5 |2 R7 a s: t6 m
U8 K' `0 [4 \; x# S
set [trade-record-one] of customer item (([who] of self) - 1)9 X. t g& f$ s; o
[trade-record-all]of customer8 v8 ? f4 W/ ^9 p) V7 Y' m/ A
3 j$ s+ Y1 X( g3 ?0 q0 T
set [trade-record-one-len] of self length [trade-record-one] of self7 s' S' U, E X' g g: p
% a, I2 J1 e4 q6 f0 S8 F1 }7 ]set trade-record-current( list (timer) (random money-upper-limit))
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' c7 \3 U; O, x9 Vask self [do-trust]! _( u( L/ }2 I4 m
;;先求i对j的信任度2 x/ i7 J& E, q4 d6 Q8 T% [
1 U, F: G! T& v9 C% Q$ @if ([trust-ok] of self)% f, m% X3 t8 T1 \
;;根据i对j的信任度来决定是否与j进行交易[* U A- M9 k6 w; e
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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* f# l" i+ i1 R: K& k[, ~1 _* M* r6 r* U1 Q+ N
}0 {( B/ p! |7 H
do-trade
/ @, b m; y( E8 b& Q
2 d6 m; i/ x& ] b$ Oupdate-credibility-ijl% O3 d6 I4 U0 Q& ~* {/ E
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update-credibility-list
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$ g4 p/ `9 G5 W; ]4 [
% t! J+ P: Z4 o; F. ]# t3 Eupdate-global-reputation-list
8 x' }8 A* y3 s" d: V$ e5 G, Y# f3 K* W
poll-class
* u* R6 Y3 v4 U6 n7 d1 V2 X* p U) ~4 _3 x/ u7 u e; Y8 m: L% M
get-color4 d, d) [3 ^4 z# g4 I# k! n! ]
; q! K6 T1 Z. J- O& P]]* [3 B6 L2 H+ N! V& _7 e
) @0 K) h- F& p/ M0 F' v, E9 c5 V;;如果所得的信任度满足条件,则进行交易% {1 Q R' |& l, S M# f, C
2 m/ ~& |# _. _- @[
8 z; T9 h4 {9 x y0 K% m" W3 |& ]9 t1 c
rt random 360+ f. [9 l% p* c. D6 \. l: ^8 V
) w: g' I$ O2 `( p, _/ s/ Bfd 1) g/ T8 C4 n! n) R5 i
* G/ A5 t* k2 X' [9 e5 H [
]
( b6 i" u+ G- X3 P* d
1 h T ^- {$ Y0 P/ Vend' ~1 x" p- S2 w O% m
; {1 v4 I: m8 g a1 \. D
to do-trust 7 \) m; z1 Y* `, F$ T
set trust-ok False
+ G, ?8 V5 R- Q4 L9 ~0 x$ |) q0 D" d2 c U! L0 q$ R- G o1 [3 q8 D
* c1 w. ?! J4 |let max-trade-times 0* h5 n1 O B- g! Q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* O$ B- o# Y4 v0 H% U$ O. o
let max-trade-money 0$ f5 q6 m# E- h3 g4 N
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
3 }9 ]' V$ L) j8 X9 r/ Vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. b9 g/ i/ t a+ A- D- D
$ s9 m8 h5 H% l- j' ~) n! j' u, r v$ k
get-global-proportion
8 R7 w2 [5 g. k2 R( \! B: Slet trust-value1 G; S+ I0 w0 ], B0 n: n& D
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
6 m) x, o4 S( C! B3 C6 R9 w6 W! Gif(trust-value > trade-trust-value)% P: p+ a( D& O- S ]. A
[set trust-ok true]
' Z9 h) W! Y7 z4 X: Bend
4 G$ `1 [/ p* M% ?1 F- w# ]) H8 U, ]4 v- m4 k) W
to get-global-proportion
! x" q8 i7 \' h5 G5 g4 ^! u9 p* wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 {7 t; z) r( x( e+ G& U" R[set global-proportion 0]
) D8 q7 K z8 I' }[let i 0
6 Z; \' A: H: s6 Z" h: o; X4 Xlet sum-money 0 v; c i9 k+ T1 t! D# \ j$ t2 v
while[ i < people]
+ m4 x( o7 X. y! a% W% b( t[
9 D# W6 N7 ^) }$ b1 |4 Z! Pif( length (item i
0 Z$ x8 u7 C7 L' J- r: b ?[trade-record-all] of customer) > 3 )0 |( ?1 A$ u/ V: p" x- d
[0 y$ `. L1 ^2 w$ a$ P
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
0 h: V8 J+ _3 Q- E]1 i4 n7 s: { O+ K3 P! P* Y
]
$ Z g/ N9 u; D5 m* ]7 Tlet j 0
) y/ j; T8 ^) L# @+ U. elet note 08 _) ~+ C+ e9 h6 h) R5 ?3 S, s
while[ j < people]# j; ]0 w" a& h" G: \
[( X/ B) g6 u! h/ X0 P% i. \- T; b
if( length (item i
9 c. m5 x, d; V0 s; ^3 k[trade-record-all] of customer) > 3 )
0 s5 K3 N% g( T[
) s: O3 O+ m+ V. Pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 p. T o2 h" c% e+ } E[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" ]8 s/ ? c* [" e+ \
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; H( Q( |3 ^2 O# I8 S! |]. h7 ` C4 z. ]" t5 H& M7 p
]+ u5 w4 l6 Q/ q
set global-proportion note, c( X! W5 E6 P. V$ J x
]' E% i5 I1 F( g: C: m
end W( w$ w. K" Y R) p
3 A* C n6 S2 [( _( Hto do-trade9 I$ f# r' Y8 {8 A7 V! F1 u. i+ [
;;这个过程实际上是给双方作出评价的过程' H& s" G" Y3 T% S. Q1 D, J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
$ `1 y3 {8 n; `# ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& m2 x, C) L3 C! {
set trade-record-current lput(timer) trade-record-current
, D; I) j3 Z- T& X;;评价时间( e! n8 ~# c9 q& K$ [9 T9 k
ask myself [* d, V* a B% b# A* n3 C
update-local-reputation+ C) V1 N! A& ~ {
set trade-record-current lput([local-reputation] of myself) trade-record-current& }) @9 h8 t- O& x' o" c0 ?
]1 ~( b% \9 k5 n5 Q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" t3 d: b4 K& Q# V# }) k
;;将此次交易的记录加入到trade-record-one中, R7 q* |6 S" ^ _9 c* x
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself); X) w1 I# \/ h
let note (item 2 trade-record-current )
7 i' F1 _$ m! U2 g3 R9 }set trade-record-current
/ ^! N' ?9 X, n9 ]" W(replace-item 2 trade-record-current (item 3 trade-record-current))) Q9 j9 Y3 J! H$ f$ x
set trade-record-current0 w7 e, U! [+ N! P: R. c
(replace-item 3 trade-record-current note)
( ?3 s# P, `: n' D" L7 ]( a
- h. J8 M2 \9 N6 I& x, O4 J q/ z! Y w$ `& ~8 R# H
ask customer [: l$ W, f% [$ ]. F7 J5 h" J' Q
update-local-reputation0 e8 K% ]% M5 L) F( q7 D8 I
set trade-record-current% O/ c: M6 r: B1 V6 y8 g/ g
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 4 `8 [9 j7 y1 r
]
3 e" t: {* s! V: [0 L+ F7 L$ G a& T4 E, c
) ]# h7 m- L: {% Y0 |
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ `" b' ]. g p3 A9 S$ X1 A N1 O8 G& t' n& A$ W# X5 |! J
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))2 B* l$ ?# E+ W7 a
;;将此次交易的记录加入到customer的trade-record-all中( R/ \0 U% J6 f' ?
end
& C3 k# h, h) g! H3 J- ?7 V/ M7 z9 L8 j# p0 {. a! o L+ R( Y
to update-local-reputation
' h* z0 y7 ?7 l/ U) N$ y% mset [trade-record-one-len] of myself length [trade-record-one] of myself
# @. t6 N+ }4 I7 ~2 S$ |/ s
! K9 s8 b9 A6 ?, y x+ G$ q4 M! @# J, K4 u0 x1 E, H0 S
;;if [trade-record-one-len] of myself > 3 , F' J9 M0 i5 {$ f7 Q; t+ H! _" a
update-neighbor-total
7 w" }( i# ~9 ^9 r9 I9 P2 a;;更新邻居节点的数目,在此进行+ [% B/ ~& U% Q: S! I
let i 3
' G6 M6 r. f7 r$ t/ J0 G) Ylet sum-time 0! h8 f: [& E$ i1 {' C
while[i < [trade-record-one-len] of myself]4 Y+ |, z# H3 T
[9 y# i3 W( R8 F B9 _
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 L' O. s' S5 n: v& S- h/ w
set i7 V9 _, t3 {7 m1 Y
( i + 1)
6 e3 j! Q3 |! C" ~! D9 r]/ h7 i! z: V, m
let j 3
' T( W7 X/ z. F% r% A) E: @let sum-money 0
, W! |* s* j0 p L! t6 x) Uwhile[j < [trade-record-one-len] of myself]# W! i: V6 q2 H: p, c8 J" l
[
* i* U( W- s3 t! x# S8 I0 @set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
0 J6 z' Z( O7 y; h: kset j
2 X9 p& g9 | e; c( j + 1)% ~1 b+ t7 O- X w% H
]( R2 v+ l" U- }2 ~7 c4 R3 x
let k 39 |. T+ x' W; k4 s, y
let power 09 e) H T2 c. _
let local 07 `1 N1 z2 w2 y+ ]/ ?+ k
while [k <[trade-record-one-len] of myself] I% D/ y. |1 W2 s! R- j, r' p. _
[! }* i' B9 c+ C
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
' w; J+ H% r6 |0 E* wset k (k + 1)
5 {( f3 e5 g& D! V7 I y) T]
+ P! Y! C8 h8 c' _% _, B9 jset [local-reputation] of myself (local)4 _* P- [6 R0 x
end7 P+ B% r; v" I& y! J, X
X! p8 T6 [& G! U; d
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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4 m* h' L' C0 ^! S* N7 u) R
end
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to update-credibility-ijl 8 m$ C! l8 o% d" P: y
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;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
3 ?) \0 v, U/ Y- b7 ~& |let l 0
5 I" P+ f3 w8 ?, dwhile[ l < people ]
# h& w/ _9 G# ]. v9 P5 A;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)4 B2 k! \2 U2 l: D" W5 N" F l9 K
if (trade-record-one-j-l-len > 3)
$ y, p: \& C! {, S; M[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one9 q8 p5 }+ G( P. F* y
let i 3
( M& g0 R( D$ c' A3 f, klet sum-time 0# F* x3 U, ?" ^0 R5 N/ C
while[i < trade-record-one-len]( N7 n1 c) r2 s0 E) [
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ) v$ ]5 K8 G h8 H2 J5 x! T8 r
set i9 a) f6 Q& n8 ]' N! {* Q
( i + 1)
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let credibility-i-j-l 0
2 Y- t, d! V! E" H; U;;i评价(j对jl的评价)4 A4 D3 `& S5 ]% X1 [% ]& x9 @
let j 3
) |' Q% ]: [9 D. G9 b% ]* C' t! ~5 Plet k 4
& o+ ~) B/ h+ a' N' rwhile[j < trade-record-one-len]2 c% i$ B6 @3 ~ b% }* w" S7 Q# [
[" W; `3 j# Z+ X0 [* ` o1 \
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
8 b5 y# {* T- _2 Z5 V3 u$ Vset credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
: w) w0 r) w1 ]set j
+ r2 V/ c8 S; w( j + 1)
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set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
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# h6 V; u+ ~7 y( r6 T/ Y$ C5 flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ A3 _' J+ g5 u& ^8 M: e- v. x
;;及时更新i对l的评价质量的评价
: @( k- b9 e6 r% c, r6 F% eset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 `; b7 ?6 Z9 ]1 H) k
set l (l + 1)' |$ D; W R) j! k3 z* P
]
! l& m* X: d; [/ t nend7 B1 M4 w. a1 s; A/ V; [% i
5 m& B" p7 p* N3 V! Q8 y+ c Xto update-credibility-list
& R! y; Z" e; n: y" u" p' |let i 0% }( T# t. h; J/ [ U
while[i < people]
7 |" x( x4 [0 w7 F% g- ?0 b A[
9 I0 y* w5 t& f2 _let j 0
# ]: y/ v% ~, Dlet note 0
3 J3 X+ t0 r9 l# x% Ulet k 0
/ z- y; x% W5 e4 Y" [. A;;计作出过评价的邻居节点的数目% J7 G4 B ~2 f8 E' `$ Z
while[j < people]7 y L% P: R! m% K% n
[3 a+ C6 v' c& G" b# u
if (item j( [credibility] of turtle (i + 1)) != -1)
0 q# n8 c: |& Z# X9 C& k- {; G+ G" P;;判断是否给本turtle的评价质量做出过评价的节点
+ `. }( e/ R0 G8 Y' i8 h7 d/ U8 S[set note (note + item j ([credibility]of turtle (i + 1)))
; i7 Z7 e. o# R9 ~6 S! `* m;;*(exp (-(people - 2)))/(people - 2))]8 D& ~3 }9 e6 w1 G. |2 N
set k (k + 1)8 b% R) }( u5 C. w/ j
]4 h* A* s. X, k
set j (j + 1)
# D2 Q- b9 ]( R& h1 G]: V" ^( G |5 {( x# w
set note (note *(exp (- (1 / k)))/ k)
8 a, s5 j M( Q8 j- G. x5 {/ v# Nset credibility-list (replace-item i credibility-list note)
8 T9 x7 a! F! Q6 S3 tset i (i + 1)% j% R9 i% z# r" ?. e, |2 O* R
]
# l e6 t" W7 f0 U. Kend
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to update-global-reputation-list
?% L, j' e8 t$ t, X; }) Ilet j 0
5 A, X+ f! C! i' Cwhile[j < people]
1 E b+ e+ H* I5 ^[- C& A" x0 i1 d) U! q
let new 0
8 @6 A H( C+ R) p8 x;;暂存新的一个全局声誉$ g2 _: g$ j, n
let i 0
4 c- Z8 V' H) |3 jlet sum-money 0
4 `3 A/ G: b* b6 R. U' u. {let credibility-money 0# N. [" ?2 ~/ d6 ]3 K& X) J
while [i < people]
' q* [! H/ s4 p[
, V1 F5 f8 \+ g' G. b* g/ Vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ `+ j0 U& ^( @& Y1 pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# u$ ^8 x3 Z+ \- { Q' t- c
set i (i + 1)
3 B) A' q$ ]* w1 N$ k]
0 e3 u Q+ |/ G3 X. i. N5 ulet k 0
3 r) R+ b; Y3 c. Y* d: F" Ilet new1 0
- m9 l( p3 z2 S/ ~, mwhile [k < people]
* E; p3 i0 |+ y' J[
6 k/ N w( @! y2 I) r1 v( kset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)7 [% F3 j& f+ [; m6 M: Z
set k (k + 1)
% b. k7 Z6 [$ l: b9 `0 V]6 _/ u0 B& e. W! F; k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % L' w; D# i( z8 S
set global-reputation-list (replace-item j global-reputation-list new)
/ y H6 q, w3 k0 Q( Fset j (j + 1)" m1 o- [ g7 \9 B! F* p
]" B8 {7 _0 ~7 b+ c3 Z3 K$ C
end
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8 k$ l; c) [. S' t, n) }to get-color
% K9 i2 b$ i6 e: T _
& J2 D4 e6 e' O" S$ Oset color blue
+ T; S: t/ U vend3 G' Y; S$ A; ~7 T0 H. ~
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to poll-class5 J" ?9 V7 R* s. B4 V
end4 w3 C7 g2 I( u$ b" |- x" o
x) `6 ^ y; h
to setup-plot1
& b( g& ?* Y8 B( E5 Z, j0 S; C$ C+ }: J1 s/ }* \
set-current-plot "Trends-of-Local-reputation"2 d9 ~, N6 r6 s I8 I M
* ^! R" m8 J, {5 R% A+ d9 `
set-plot-x-range 0 xmax
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* z/ z: o9 Q8 x% uset-plot-y-range 0.0 ymax! w! f* }( R* w3 Q
end/ v7 @# W7 n/ Z# B$ T
" `* S; p, S6 D/ U$ x, ?to setup-plot2
) l9 V' n. B3 i+ r9 w* }/ R, n: }- l! I1 M+ M
set-current-plot "Trends-of-global-reputation"8 E' T! d- g, s @! @+ Z; b
Y+ D/ A/ ^- S: E- K; R2 dset-plot-x-range 0 xmax
5 P+ O* q' j( _9 `8 m' u
) |8 e3 U& M0 g" ^; M) o* @- `$ nset-plot-y-range 0.0 ymax
- J) `9 b+ d$ m6 ]# @8 |end" d H" D$ r. q0 t9 w: C% c
2 s) R0 A7 Z4 ]- N e6 r$ ito setup-plot3
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# Z" x+ c7 x) @4 v$ V! Tset-current-plot "Trends-of-credibility"
+ C6 B0 J) P* G5 O8 d
9 O6 I5 c b5 u4 {$ `4 H! Yset-plot-x-range 0 xmax! W3 j7 ?1 N: o2 L2 W) t% V$ v
- _( w$ a, H& C% a! v7 R
set-plot-y-range 0.0 ymax
9 m+ w# ^% Q3 n5 R7 M7 e$ d4 Dend
; b# Y$ [& }6 b2 G; u
& L: S7 V3 ~, n$ R! Cto do-plots
5 u* L) e9 u1 C6 x& ]/ u8 c4 y; rset-current-plot "Trends-of-Local-reputation"
0 I& w/ S' q1 Oset-current-plot-pen "Honest service"# j2 J2 {; }/ {1 Q* T {: [
end
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5 _% H! X) W, e( z* P; O[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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