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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
: B: S' Q7 T( }0 {! C! i: sglobals[2 X& h# m* ]. }# ^
xmax' D& F0 T* T+ N8 g3 R
ymax' d# H4 D- `- ]2 }- t7 O( @. u
global-reputation-list# M8 m+ ^, ^; s
+ s: h6 j, l' ~5 ~% d/ M
;;每一个turtle的全局声誉都存在此LIST中
/ D" i$ Z8 @( _# ecredibility-list2 y/ }) |0 q+ _1 M6 m+ T6 W; H- j
;;每一个turtle的评价可信度
0 |8 ] B: N* chonest-service
( W6 F% S' @( bunhonest-service0 L( K# B1 d( p! d5 f
oscillation
4 F1 Y( |- }% Y$ drand-dynamic
: V# v. W; I$ L; @], E! ?# E. w( V2 P6 O6 d& U
y5 ~9 S' z+ ] F$ }
turtles-own[
2 H$ B% `2 ]' `( v/ F7 F$ P- ~trade-record-all
- a3 N( m6 P; z R9 G/ R;;a list of lists,由trade-record-one组成
9 _, O- R! n# [# N3 H4 U+ V1 P' [& Rtrade-record-one
9 G% ?8 _8 A* i;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! s. b9 c" `. o( I) y; Q0 _* @8 X/ i4 S$ V6 M' e- a" q, @
;;[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]]
( a1 E* Y' a. ^) C9 @trade-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]
+ r7 m. t7 a/ o4 H) P+ b( n( Xcredibility-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list
- X1 A" i% y% J. G% ^neighbor-total) x9 r# w3 N0 w3 N- H' r
;;记录该turtle的邻居节点的数目
3 U8 V6 k; i9 j: m9 ^trade-time/ y1 f' k' n5 _$ V4 W
;;当前发生交易的turtle的交易时间
# q p B9 P5 M$ s; N4 T |' bappraise-give4 J4 D& k: `; b) I) c
;;当前发生交易时给出的评价! N# t' t) @9 F5 e* O
appraise-receive
, ?2 g9 o# ~0 V! F% j2 b, n;;当前发生交易时收到的评价- S0 l* a( B3 b/ N* j
appraise-time. S$ p8 ~2 Z: Q
;;当前发生交易时的评价时间
0 f0 k9 y# t# Plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
" n3 }0 F! ?9 [4 j# s* N6 [trade-times-total
* W, e2 t" H1 [# T;;与当前turtle的交易总次数- n, N) r% F+ W' ?! p3 B: H+ G3 H6 [
trade-money-total& L/ I6 k% ]3 W4 Q' `) q7 {5 w
;;与当前turtle的交易总金额( v5 V% d8 R3 o( c9 h+ z/ Z& o* F; s8 ^
local-reputation) a+ u7 N: T1 B4 m( X
global-reputation
( w+ o6 \; q9 M6 tcredibility m% I" o+ F) f; @/ f. Y, H
;;评价可信度,每次交易后都需要更新1 w0 I% G r" h& N" Z. L% w
credibility-all9 F* R9 z% ^/ ^; y; B/ t
;;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
# S* w$ |! m/ D: i4 E p
% H- X: h9 B* I;;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
9 k- V% e/ t+ p$ v ^- Bcredibility-one
' ^# R# J% [1 n; q;;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& E K* l+ ~/ ?1 O( Y3 P
global-proportion9 ?. V/ w t4 f. K" B% [ w3 d
customer
1 Y4 q1 Q" P# n1 \; ^customer-no5 N, f" r ]& @1 u5 L0 v( v
trust-ok. K. @& S: E+ g+ {
trade-record-one-len;;trade-record-one的长度
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! n) M! ~+ s0 k8 Z! B! |
- t* {8 C; \- r L U# {6 F;;setup procedure
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8 w' o* `( l+ g0 lto setup9 M. F* l4 b+ [7 M$ a+ ]4 A% x& @
t) e, ~2 a# q. Yca0 m2 f, N* T8 |
' T( h: J9 `- p% n0 F0 n) _
initialize-settings
* g% \5 A9 M# l) ~- B; N1 p- q$ d2 b \9 N& E. g
crt people [setup-turtles]. ~) b p( \4 Q* Z$ h6 @( w- H" Z0 y
' ^- \, Z9 D3 Z% E7 d# qreset-timer# I1 ?6 N9 W( W
! I: @ ]' q! o/ U( X" `; opoll-class
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8 h; \" `; w) C$ w7 @setup-plots5 h% V) r6 p. N( j' P0 s: e6 i
* y, C5 E7 X1 m/ f& D# R; K8 gdo-plots
1 \) U8 l2 ]. Aend
4 j0 }" \" ?) A. r# a/ i
; P% q3 U! b) s6 Sto initialize-settings& A. n, R) p, a1 z+ p) T0 x
% D" t' A: S5 s2 t- @, Cset global-reputation-list []. q0 k F% o8 [1 C4 T' B7 K1 T6 N
8 |* e" z3 y zset credibility-list n-values people [0.5]
* j9 K$ M X8 c! e
2 p4 L3 _ f3 z: `+ b; lset honest-service 0
3 w% q, m3 `, D* v% l- x1 G# h) D% I* e$ T, V/ B S3 {
set unhonest-service 0; K( Z- S" J# ^" d8 c" e, A
$ v7 R/ W; J5 |" J( ?' v* a
set oscillation 0) Y1 J0 z" c5 n
" y- A$ s8 |3 b3 _2 c
set rand-dynamic 0
7 _) `" A- u0 o/ g' ?# Tend# V# [; m6 M& G9 z6 \
: M& ?/ L3 m9 g" }" U, | F: g, yto setup-turtles
: h9 Q. y8 n4 {2 ]) rset shape "person"+ o$ k1 Q" ]/ X& Y* z; y' s% v2 r' x6 l
setxy random-xcor random-ycor; L0 O9 N8 t" O2 p$ U( I
set trade-record-one []
9 j6 u$ C8 C+ h: R& _ E% C$ I; m' i$ m, \& G9 B2 n% j! h
set trade-record-all n-values people [(list (? + 1) 0 0)] * g7 h$ j/ b* e6 ]
; w6 G y1 Q: V/ C$ J, bset trade-record-current []
8 |7 G, V3 d7 Xset credibility-receive []6 j7 h$ }4 V% x# J) V
set local-reputation 0.5$ N( f" a1 L3 V5 K/ W& b1 ?1 H& K
set neighbor-total 0) J" _) O/ e& u3 Q9 i4 j
set trade-times-total 0
2 U: z$ b! ? S1 }8 _set trade-money-total 0) Z9 l& X. g* W e# ~
set customer nobody( S H% h9 w! J/ a. T
set credibility-all n-values people [creat-credibility]. x2 n: D. }3 ^/ c5 X0 y0 F1 w' w
set credibility n-values people [-1]
' @7 f/ z; Z7 K1 n3 o" s' b! gget-color1 h9 R# D2 b! G G3 j3 }/ v. O& Y
4 A9 R5 A/ V+ l& u
end
2 T w+ L, x0 V
: U! z2 t) M$ Q9 Y) Sto-report creat-credibility
9 [* D4 f1 `: ?* W% {5 R( Preport n-values people [0.5]- i D0 w) c9 ]5 p' y$ |
end& g6 C' w) z) `. f
7 F$ D) c. k5 g* w1 K
to setup-plots' |* m! B' Q J2 @
& X+ q0 F8 s6 A% Q$ y3 D+ `set xmax 301 X; n5 I9 M2 D
; j1 j9 @; P' n- _1 Y. S7 B/ Dset ymax 1.0
' z% K; O6 h3 Z- a4 @7 O" b z" d: R+ l9 n e$ ~; J
clear-all-plots
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setup-plot1
1 U) y; G+ x! H9 c/ e
# y$ f. D6 g( I! ]6 i9 d+ msetup-plot2
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3 [, } b1 t, \% b; a) gsetup-plot37 D' Z: d% L z" z' u, R
end2 w/ Y" _1 f" R7 F3 C" k, B
" _/ _+ `+ y+ H: r% s: f
;;run time procedures c) p) |% p# V2 K6 \8 X9 R
$ _1 s* J3 X: U: W# |
to go0 ?# X1 u5 ~ H9 _# F
M, K2 F1 k6 Z/ vask turtles [do-business]
% }# U- }( @0 `! }5 t0 @end! _; [; {/ a; R) ?. r" K4 J
. E3 L& X8 c* I# r' Y3 D; b
to do-business
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/ q: \& s4 g) ]4 q7 k' i
% l* |3 `( [" r7 ]2 d5 ert random 360
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+ n) J0 \ T& R, i, ?fd 1) k% M7 Y7 {+ f; |4 B) z
" x0 M) T! v* N# A: Vifelse(other turtles-here != nobody)[ n, v7 a4 {6 x& P5 A B1 ]2 W
$ q: w& z2 B; \. p# V0 Q- |* y1 S' P
set customer one-of other turtles-here
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^+ m3 [" c& c( i- q3 N;; set [customer] of customer myself7 r' f+ {5 \8 {
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set [trade-record-one] of self item (([who] of customer) - 1)
0 @$ \( m( i4 A[trade-record-all]of self
$ p6 [6 D8 X# y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, E( H! H7 r$ Z P* X
) V# f; @' D1 K4 N: A1 Tset [trade-record-one] of customer item (([who] of self) - 1); |) |5 ?# D3 F) I0 S3 @* v
[trade-record-all]of customer
: n& V% \; [. P- r( {! f# h
; U* W3 [; o* W0 ^2 B4 {set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
8 H6 `' w& h8 s
+ U+ x$ X8 f" vask self [do-trust]& l; y. f" x( A7 f4 P
;;先求i对j的信任度
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if ([trust-ok] of self)
, n2 G, ~- }* I# o, H;;根据i对j的信任度来决定是否与j进行交易[
' B9 M! E% r7 r8 t/ xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ ^3 A) y# a' O, E8 V) H F
) b' C3 `+ `: R5 s' b& |2 Q0 ]% m6 ][' f8 l& j3 w) E4 z& @
! ?; e% D: V7 q: Z( Ldo-trade
/ s6 U& _ m) m" ` d# b Z7 a- p5 k6 V
update-credibility-ijl
# ^' S1 V8 k$ [5 `+ R
2 V7 D( Q1 l! Q% t/ Cupdate-credibility-list5 I2 S3 ~0 {9 r" N3 g: P
6 P8 j/ Q9 ^9 C* h
+ |1 n- t6 q7 M8 e' lupdate-global-reputation-list; m5 O, ]6 L8 ?" j( d: u: v; D
) [ N, `3 c5 Z) [( J8 qpoll-class6 Y: S/ R4 Y. A. C1 J. n' a: `
0 j% G6 d" `- P! A
get-color. ]1 H5 t$ Z, }, Y5 X# ^8 H Z
# \8 ^/ G, [! \( c) ?* N]]
6 ?$ ]. ]1 P5 t! S0 T8 R
: ]% {' R! ~: `9 V;;如果所得的信任度满足条件,则进行交易
0 b2 _8 P& q4 E) i x
. v% U0 q& I7 E2 s$ y8 b: _9 I[
' Z1 n0 a" d7 I4 @4 m. b. d) U
) q! l9 Q; b3 u& vrt random 360
, b' j8 X) ^0 T( ?! y A+ o$ T3 k& U& K7 E" g
fd 1
. _% j6 f$ O) H5 _3 M/ l; f& s% n0 z4 f( e& m$ B$ V) d' F
]
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8 c& |* _% ?4 X# a( ]! Iend# J l. U6 x( ?# p
; [' X) B8 K' ]! O+ ]3 H$ c2 v6 o8 F
to do-trust
5 ], d2 s+ t2 [; I z$ a, o3 _set trust-ok False
* t6 ~ b+ ^" y5 o; h1 ^
: r5 p+ h% G6 k( j9 M- y
* ?- p# B# t4 f' s- R/ t2 r: Rlet max-trade-times 07 x& \9 F. r5 N6 i% G) T
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 |* H V0 o+ X
let max-trade-money 0# F5 v- R" x& e& v# r) i$ H( p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 V1 z3 z5 j( |0 Y Z# tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
5 i% S4 }4 }' M; ?4 \. d
; {2 J/ m) N1 l
! }" B3 m: I6 c. \' D* w1 k3 aget-global-proportion
3 v2 }7 C( F' O B' Dlet trust-value
1 z5 a. F" v) o9 M/ @4 [, \. klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)" N; x: u" k* f) M) q% \7 ?
if(trust-value > trade-trust-value)( H. K2 S2 v/ A# l3 w4 F# @) {
[set trust-ok true]/ j/ Y5 B0 ^' }! b+ d
end- A6 I: |3 U; X& H$ {- w
6 `( H8 x* G- ~. ~4 l p
to get-global-proportion2 F3 O2 E Q6 O8 Q7 P# s0 Q) y' B
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. i( j3 ]/ c- B( C! [[set global-proportion 0]
- U' _( S, N! Y: a" j+ ^' U$ Q[let i 0
8 S+ J* S* I6 `" V) ~" A8 o8 Vlet sum-money 0
% F# |# K8 G1 y7 }( d" I' T1 `5 uwhile[ i < people]) ^. g2 m& P9 r; d ?9 |
[
7 t1 n8 R$ z3 P& e5 V/ Bif( length (item i/ t' R5 `5 Y& T
[trade-record-all] of customer) > 3 )4 d2 V' h7 C, `& ]
[
( G4 T+ n* U4 r, X! K5 k6 b2 \$ Eset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
0 V/ ]; y2 W5 d0 i8 C: c]
! |4 g! o3 |: G$ A" z( M: ]8 L]. H0 F+ K5 K, d2 Q2 P5 o+ s4 K
let j 0
. y+ w5 L" Y1 y+ S& L' R- S3 alet note 0
) |# C0 A; Q3 L0 v7 c0 \while[ j < people]
- r( D% Z6 e8 H[# y1 l0 e( G0 u: s2 A) W# l
if( length (item i
& p7 T& U' }4 P, v" D7 G[trade-record-all] of customer) > 3 )
) n6 |* }+ c5 m[% v9 T( `) j4 W4 h$ q7 X
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 d- \7 y6 \/ w9 a- q# D
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! a: ], j4 W) z7 ?! g8 I V[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 V/ X0 c7 z7 D" F& D
]- ]$ P/ f$ R3 K& P1 V" y
]
5 B. b9 c( l, F' D9 cset global-proportion note
' s4 U9 f7 J% ]' ^5 d0 w]4 X& M- e- n/ Y4 @1 g, v/ y& g
end
% `9 A4 L8 `) @% Z$ R z3 }2 s! X) `- v5 b4 f6 ] m+ s
to do-trade
1 [9 [8 z. B- T: P2 l2 G9 K7 ];;这个过程实际上是给双方作出评价的过程: ~, s" {; ]1 S5 w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) x' Y& }9 a$ z5 }& uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 V6 ^$ V, ~0 Hset trade-record-current lput(timer) trade-record-current
n1 S9 k; N; H;;评价时间
* h* p( y z/ c; q6 hask myself [0 } [( i! T. n) Q
update-local-reputation. B1 B, K" ^ I: B3 } r
set trade-record-current lput([local-reputation] of myself) trade-record-current% x! V2 t' q0 q2 p7 n! J* j) g; j
]# f( _) \& B3 i6 I8 I6 V
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! J8 Q4 B0 s* I4 ~/ m;;将此次交易的记录加入到trade-record-one中. Z: O5 X$ v4 J; h5 `+ E' m
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): K! W4 x8 d1 E8 ]4 Y5 H' l7 f% _
let note (item 2 trade-record-current )) O- C9 K) s0 w, E4 K
set trade-record-current
0 _7 T x1 `& k& A(replace-item 2 trade-record-current (item 3 trade-record-current))* R2 k1 W/ R' N. i
set trade-record-current7 G7 Z( `: V& a0 Z1 K4 s- Q
(replace-item 3 trade-record-current note)
1 Z- j) l% i' H2 m' H7 c: K9 V6 ^6 F: W: u: C9 y
1 ?- u( v3 l$ u8 p' N6 [: z- zask customer [
7 Y- K6 c& z8 x. X Tupdate-local-reputation8 o& b. s& _0 Y" b
set trade-record-current& f' N, {0 r0 Q0 _0 G5 V
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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9 f o5 ~+ Y! \# p5 }# Z+ D
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
8 D) [) Q& E4 D! v+ g, {4 E/ o0 b;;将此次交易的记录加入到customer的trade-record-all中
. {, a; \: I" Z! u9 kend2 b9 Z0 j7 V2 n1 o2 A& B" J6 M& v
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to update-local-reputation
& C4 ]/ i9 |9 ~5 Sset [trade-record-one-len] of myself length [trade-record-one] of myself: ?( i# Z" Y, B4 }5 J1 c# p
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;;if [trade-record-one-len] of myself > 3
" |+ O6 y( d8 W$ z4 w' ]5 Xupdate-neighbor-total
. d! F& H2 a; o2 p8 W) s2 a;;更新邻居节点的数目,在此进行7 @$ k K$ R7 B+ o4 m- `% P. `2 p+ k
let i 37 ?% `, K f: }0 ?4 K+ `
let sum-time 05 N1 x0 m/ |1 L( z* d
while[i < [trade-record-one-len] of myself]2 P3 |: l, f X1 s q1 ]
[! f" y9 z6 b0 b1 D W2 Z# f5 N
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! j; w k) {' Z# O- h/ oset i
3 m0 y4 U" }$ T B9 _* P( i + 1)
- I! D* c; X: K]
& u0 B1 P3 W0 X7 Llet j 3
' O( a% N" P; t5 Slet sum-money 0
+ ^" Z3 q; c' T6 `- Y& J+ jwhile[j < [trade-record-one-len] of myself]
6 _2 H, G2 c/ u- y[* x* D$ s8 P2 Q) E
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 J/ H w# m4 [+ g; e1 cset j6 g# a- h" y4 {9 E( k
( j + 1)
7 z# ^& `# z/ N& J3 {& {]
% ?+ c- m; M4 B/ K- {let k 3
, T5 P, Z x+ @- l8 e3 E! Rlet power 0
9 g& G. @8 E3 Mlet local 0
) K! m% w" c# Y* o2 z6 [! F- Twhile [k <[trade-record-one-len] of myself]( W+ j% e/ C& v" L9 c ^% W
[
1 ^: V# S9 N p% b2 lset 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) " ~7 y$ F) r7 N
set k (k + 1)6 R8 O" M1 |3 Z p! ?
]
, o! @# b& i; Jset [local-reputation] of myself (local)6 h* S& f( R, v
end
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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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end
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- L1 u# r; J7 d* b4 Lto update-credibility-ijl
1 U+ i* e! l2 M% m
' p c! n* N1 a: M0 _6 d0 s/ |;;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。+ K0 _- k& g# j
let l 0
7 k- e, @) ^( y+ x6 @while[ l < people ]
* p5 L( i, U4 j% {;;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
8 }% h, o8 I [- S0 U( t- P[
1 ?% A0 X8 x9 Rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 c, A- T' w" l5 C% W; G) l- rif (trade-record-one-j-l-len > 3)
% A+ @2 |0 y- s6 p9 a[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-one3 _$ s9 z) R' e2 X2 y
let i 32 \! X8 q2 J1 I. |
let sum-time 04 ~) ?7 O7 u* y- ?
while[i < trade-record-one-len]7 g. D, C" ^& q6 L; d" r8 X1 Z: q
[
5 R. t9 g3 M8 F/ b" g1 Y2 d$ I1 Qset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 i3 o, J% y5 \4 u' d; `& t- B
set i
) x& a5 s2 O: w! f' `( i + 1)$ O, p1 u! S9 p
]
1 C$ `* b9 _$ P- `: o2 Flet credibility-i-j-l 0
2 T$ t0 u( Q- J; r* _;;i评价(j对jl的评价)# f: ^ C0 @% q: q1 D& W0 Q
let j 3$ m: _: s% N; k; i
let k 4' }; x9 `/ h7 ]! G2 i
while[j < trade-record-one-len]9 d1 c& X1 V- B8 P
[+ Q' \* k6 a$ D) U
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
$ `0 T( @/ m( |1 m/ v+ s0 y: c! Xset 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)7 b. M0 E- H' `
set j# b7 W: w8 b; Q6 X \- L- u# n
( j + 1)9 z6 f% A$ P* f) O' K6 `) S* m5 L
]
$ z6 r% U) \& p" Q$ K# q: Tset [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 ))
. i5 ~3 N0 g5 ?
! F; v5 H$ c. I' Z# t
0 ]( v! Z: G9 [7 jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 @; T: D: K8 t6 k! H3 G7 q;;及时更新i对l的评价质量的评价) P! a' z1 x% B8 n
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 s' u- f3 g1 E& N: {4 |1 [
set l (l + 1)' Y( m0 |! L0 |0 I( U
]6 ]: }4 [: T2 d' R
end y6 S& \1 S% ~. c+ x1 X
; |6 s2 ~! b' Y2 b' S
to update-credibility-list& x# _( E8 Z9 ]
let i 0
- a8 K9 e4 J4 M7 m( C/ cwhile[i < people]& A+ S9 d+ E0 A8 L+ Y
[
; Q0 l; a6 Z, D, g2 a- `let j 0
0 r$ p. t) g. \! g# X% a) y3 Hlet note 0
. y ]6 J+ \( r" Z, j8 I& Hlet k 04 a' j% M1 Q) m) t! Q
;;计作出过评价的邻居节点的数目; F5 ^; u% z7 ^! R
while[j < people]
* q }) X% B. F, |. Z3 b! }0 [[+ C: c B7 X1 W. Q- u- `
if (item j( [credibility] of turtle (i + 1)) != -1) u8 _7 ? `/ q! }; L6 H1 W2 a
;;判断是否给本turtle的评价质量做出过评价的节点
6 v; C8 M( ]1 m[set note (note + item j ([credibility]of turtle (i + 1)))
) A$ B7 B6 r; e# T9 l;;*(exp (-(people - 2)))/(people - 2))] L/ L1 Z6 ^+ C u+ D3 G
set k (k + 1)
; l; y! r3 {$ p `! s& d]# B8 ~5 U: o. G' ?/ ]6 v {# p6 C
set j (j + 1)* U! `$ e6 W9 W+ |- q6 b
]
/ }2 I. ^: q' gset note (note *(exp (- (1 / k)))/ k)
! {0 |5 N( ?% C1 J2 Q/ a1 n, e" u" iset credibility-list (replace-item i credibility-list note)$ D4 _6 t7 Y% s" w. G; Q! }8 j
set i (i + 1)
' E- I$ a4 z% {# T]3 V* |5 O- e, K7 P n
end8 w# M- P' \: z- ^: N( G. M
& n; Q$ H" |- o! y u: a3 f1 Xto update-global-reputation-list
0 h: [. m! _6 @/ U/ U8 ~8 Flet j 0
# k& ^( f! I1 L$ q, ?while[j < people]
8 n4 ]+ ^. g3 \[1 f1 d" m y' H, S+ \* m$ C$ L
let new 0 |# r7 f6 N0 a2 L3 g) z: ]2 E' h5 N
;;暂存新的一个全局声誉1 x# f9 ?3 L+ B! t( D( g
let i 0
4 H q* V+ I0 S1 F, q, Alet sum-money 0
* P/ j5 A+ F6 f) b. | L* g! L% Nlet credibility-money 0
9 Z+ |2 ~+ m' O+ Jwhile [i < people]
4 y+ ?) I/ C/ D( o1 r1 v[
O9 A9 x2 b1 V1 T" B% Eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))& Q$ W/ h# n: w( e
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# G1 U$ x0 m4 Y& L! k$ a/ ^7 I A* Sset i (i + 1)2 y1 L4 O" |; y1 |- }% o5 R
]: X% w- l/ T9 h5 v$ b
let k 02 t/ n5 x5 W; y2 t) I0 [
let new1 0
- ^2 [. U1 |) \6 W0 dwhile [k < people]1 Z! C ~3 @1 `
[# C, W( a) w# z. q: j$ `1 i
set 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)
2 x3 t+ p4 s# \5 A2 \' F& m' Jset k (k + 1)
' M: I% L* {7 B) L1 c8 r]
7 B7 M1 q/ z j& jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 3 T" r$ a. \+ ~: S6 b
set global-reputation-list (replace-item j global-reputation-list new)
4 q: D1 b/ w! ^* J( j8 U7 Zset j (j + 1)5 U* `. O2 U0 g! y. |, b. H
]' ]5 Z$ K1 |/ v& d# V2 \8 ^
end: d* x* Y* k# p3 L& ^) x
' a0 K5 T# A3 z8 `$ T' {8 X3 |5 o
7 l& o3 T$ [0 b6 O: i& ] L9 a- ]1 t+ Y5 d
to get-color
4 r$ M" W: e* V8 d7 E5 S6 r3 Y' t- b$ H5 Q7 u/ V
set color blue4 y% k3 ?$ m3 v R' X+ w
end( ~& |# L& E1 h7 _
B4 e; `5 K9 C- l, N2 i N \to poll-class* z/ N- d. f* v& h% X1 u
end
% M, }5 P+ t# \9 I8 `& D3 i; d; m; D
to setup-plot1
6 ^" p9 J0 [4 q) F# |$ i% B. ?' b" |! v
set-current-plot "Trends-of-Local-reputation"
0 a. [. Y1 i( N) }7 Y* v5 R' z! A9 H0 n/ I/ ]+ q( ]9 _
set-plot-x-range 0 xmax
5 ~5 f/ F& ?" S2 {: @
" U& f: E5 y7 F! U9 w. Y G5 kset-plot-y-range 0.0 ymax
1 P n5 ~& ~* D0 k8 @end
; F5 j7 R! L4 i9 X7 l+ n6 c) G0 b( J! p
to setup-plot2
9 p0 o5 S1 c3 `( M. `. H
' u) { c/ i: f) E" Mset-current-plot "Trends-of-global-reputation"
+ ^, O2 S( R5 E: [) z0 r& r m3 `+ p8 ?: V! P8 {$ U
set-plot-x-range 0 xmax
! Q3 n# c3 k/ _5 { N6 ?
Z ?1 @3 D5 Vset-plot-y-range 0.0 ymax( d& M; y, k3 A3 h7 P. o$ b
end
7 B$ B! Y$ K/ p/ d o
8 F9 c! T& K. M, Q' ]7 Wto setup-plot3
/ b! l; ?: [- j' q: \! B* K2 a6 j' g" u+ k# I4 Y
set-current-plot "Trends-of-credibility"
% y/ a* L4 H7 f7 {5 ~- s6 k) l* A. [+ `* @2 }4 V" n7 y- J- ^6 B0 ~
set-plot-x-range 0 xmax1 b- M9 ?! c5 n+ o$ x5 ?9 `
, C$ A; ?" C8 G' J# }# g
set-plot-y-range 0.0 ymax0 p3 F, N3 j; G, |
end
8 G% |# [/ }# M% S9 x5 b7 J. s' z, e2 o
to do-plots
) d4 x. b$ G+ e- p& ^2 V, tset-current-plot "Trends-of-Local-reputation"# Z% z9 i# C+ Y1 T5 ~: \3 _# `$ w( i- }& o
set-current-plot-pen "Honest service"" [( V1 I! w. {3 k+ o u
end& `# b) g; J% c
. |4 ~, L, d3 K z2 ^! u; k3 X[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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