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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
, Y+ U' O: r( C- yglobals[
0 e b8 `3 `2 a! `4 ]6 axmax% ^. g) ]( q& u5 w
ymax
@, j$ w. |: |: s7 c: g" Rglobal-reputation-list( _4 r! o! L' [
$ a7 E8 }5 e% a3 j2 Z;;每一个turtle的全局声誉都存在此LIST中$ m5 g0 c$ H! `; I6 F) ~0 J$ Y
credibility-list+ D- x5 Q) p# l" Y( Z* z" p
;;每一个turtle的评价可信度& E' i- @+ j9 c
honest-service7 w* F8 O8 F3 ]% G/ t
unhonest-service
2 Q$ N( h$ D) S" u4 poscillation3 c: w9 z2 a2 c, p
rand-dynamic- J6 \" }; k, L8 a: d |
]
6 F* r& O, ^( M. S0 ^
6 {9 ?3 L* {2 }( c: b. r1 Y, gturtles-own[
/ s& A4 K$ c) R: J5 y0 S2 a1 b; Otrade-record-all
! y2 _' i! v7 O6 a- h# a5 L;;a list of lists,由trade-record-one组成, ~5 ~2 W' k! D4 y D" N
trade-record-one
5 F: ]" h' l" C z2 e1 R;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 r) W3 b: e$ x: @9 F7 w
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;;[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]]; I+ v3 ]- \' Q `6 ?- }: n/ @! A
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]
& r4 e: Z* J% r( P- I' i0 f$ [' Jcredibility-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
4 \8 J4 D" j O0 q( D6 xneighbor-total: G* g" U$ ?! c7 N7 K# s( }
;;记录该turtle的邻居节点的数目/ R L2 a2 y' F4 e# D8 Y
trade-time) H" }9 v( p* g n
;;当前发生交易的turtle的交易时间3 k( N; b6 u4 t2 d C, t
appraise-give
5 g I2 [) \ O2 b9 };;当前发生交易时给出的评价
' a" U: r: u. ?appraise-receive: S5 L$ y* u0 d8 o1 k. P
;;当前发生交易时收到的评价) p; B, H, h% P/ l8 \# a
appraise-time
, N2 H$ V, N: U$ v;;当前发生交易时的评价时间9 j8 h* |6 j' p* ^' D" E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 z% R* D5 C' K$ ?+ }: ~$ o2 q @trade-times-total$ I+ r& ?3 ^: |0 K0 x) c) H
;;与当前turtle的交易总次数% e4 @) m' C+ [# x2 d" t( h: n$ P
trade-money-total, e* a0 w# V/ F* N
;;与当前turtle的交易总金额& [- w; @8 X; i+ a/ l
local-reputation8 j K1 {1 _ Z4 x. u9 _, K2 S6 B
global-reputation, |3 b$ J8 G M
credibility! }7 |' L1 h& o3 s) h6 V3 X* }
;;评价可信度,每次交易后都需要更新- q" }/ h: [. P, Y( |! p+ o
credibility-all
# N w8 A9 \: z5 x;;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
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;;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
2 W# @4 i- T2 \ \) F0 @# xcredibility-one" j! n) e( K/ n4 y4 U, 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' l! [7 O2 ?, U# Z! l9 m
global-proportion
' S4 u4 p/ Z! w" scustomer
0 f8 H2 R7 a0 {$ x |customer-no' A# Q: \5 X& x! t) C! z# \
trust-ok" O, p2 v1 A( _3 {" a
trade-record-one-len;;trade-record-one的长度
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0 `& V0 M# I/ d" B* z! L9 J" };;setup procedure1 u0 s% ?0 ^$ Y* O+ `' H N4 U
7 X, H" k h) Z$ x/ o# D
to setup( w2 B7 E% l% A& y$ P! g; p9 H
3 H" F: q! {1 N# m% F) ^" ^ca! M; {2 D! `+ P8 i: X8 w
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initialize-settings: A; E: O" {2 M6 U3 V3 m; H
$ ^9 L h, D) G5 S0 Qcrt people [setup-turtles]* ?1 ^7 _( B1 L$ V
5 \0 C# D6 I$ r! X, o1 v. k
reset-timer
* z: r1 H4 l" e5 R6 D9 B, d4 L: v2 m# p
poll-class
+ I( q* \1 j+ k4 n. C- h: }( e9 |5 O9 z" s8 R- @
setup-plots/ x8 N% |2 n, {% g: p7 h( ?/ x
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do-plots
7 m, K/ i) c7 S2 Q* Y2 l& j: S, wend" V0 L3 G8 o8 \/ A0 |5 x, H
( h( M$ `3 |. M1 Tto initialize-settings
9 r0 W) I5 {/ P4 D0 x; b
7 v4 X; \! I; P: X0 l: u; R' m4 N: eset global-reputation-list []/ d3 ~& F* ~$ Z8 q7 P% ~; N
! M( }' B* U/ A$ W+ @8 r3 X
set credibility-list n-values people [0.5]
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set honest-service 0
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set unhonest-service 0% m1 J B8 e/ S' e/ \# C" H" f% d0 H
; E f2 }- K/ S7 i# ?set oscillation 06 z; [( o( L( S e+ r! y
3 h; U% J/ V' P' q) Rset rand-dynamic 0" a( C8 a8 V+ N- A1 h, r! d! b% M! p
end1 b8 }# d1 t* ^7 g8 G$ A6 c) }
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to setup-turtles ( y. m8 p. f+ `# `# c
set shape "person"2 m5 x/ y& F/ e7 H
setxy random-xcor random-ycor, p# o; N/ r: Q" E& g: H- ~
set trade-record-one []
6 \- C; K# w$ a1 t+ E* H' o& b
2 V; ?+ S5 Y9 S9 R7 w6 C! Lset trade-record-all n-values people [(list (? + 1) 0 0)]
( u, @; P0 G: J; B4 S) b- }' V9 u% F; P" L3 _! M% E# s- {* p ^
set trade-record-current []
0 ^! Y# M+ O( o. Kset credibility-receive []! y& |+ B. |( \* A; s p( c8 l
set local-reputation 0.5
2 q6 @/ w% L9 x- jset neighbor-total 0
! e# n, }6 F" r. dset trade-times-total 08 b. i4 o! n) m7 ~
set trade-money-total 01 n0 ?% a! t9 w' G2 i, j# K
set customer nobody; F5 s" W. \+ `/ o4 w2 L# q) B
set credibility-all n-values people [creat-credibility]8 Z2 n0 Y( L4 m" o: b( ~; M0 e( S
set credibility n-values people [-1]6 o4 ?6 W8 _: X; j% y9 I6 h" e
get-color
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0 s' k6 `* p& ?- qend
J( R; h" ?" `. D8 h
8 r$ f; Z& i5 y; d5 gto-report creat-credibility2 p9 @3 N6 z! H R. r3 f2 P4 F
report n-values people [0.5]/ L1 |! X3 S5 I: H
end( U1 ^9 b3 M3 i5 o/ q/ n
5 Y6 I; r$ p& P& @4 Y) |# f& |to setup-plots
0 {/ {- X9 U; ^/ _: T7 f5 K7 o6 }: d" g0 j" U: Q# r5 [0 _
set xmax 30+ _; I% v/ p4 [/ K7 Y5 H
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set ymax 1.0
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clear-all-plots' O( N0 Z& ?2 ~0 w4 i
8 Q5 v2 |: V- E1 ?' {- d/ msetup-plot1- E6 g7 K, x* h% N- |' U
7 L# N( P: C' E# msetup-plot21 A% T* z* V' F% L6 f: }9 [
5 m" W* n) \6 H7 P# [( b, p+ fsetup-plot38 d# q+ e% f5 s1 q
end5 D4 V+ f; g/ n/ N
4 Q$ k" U7 i6 K3 p;;run time procedures
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+ P, k& K0 J& w: V- V; f- Mto go L4 ^7 \0 k% I% x: R
- E+ y3 z' M( A/ c. ?* v8 {
ask turtles [do-business]0 O' Z; |% i( `& M. S/ h5 \" S% h
end( y8 }' M5 I1 s/ m4 w
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to do-business 3 n4 U( S- f7 l7 e+ o) T. V7 ]2 k
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( H( g# l" x& V" B, D
rt random 360
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) D3 Y8 o) K. \9 X+ }fd 1
. R) b1 D8 K; j2 [! [8 C
- A B; C; o# N+ c0 G, yifelse(other turtles-here != nobody)[% k3 y% `, o L+ L3 _2 C
$ q( U, ]- w* n) ]) ]* g1 b
set customer one-of other turtles-here+ ?& M+ X# N3 E1 q7 s
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
, N9 O. N8 r3 E3 ^: j" J e[trade-record-all]of self+ |4 d' T& z+ ]
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; |2 `% J2 F/ k# G @( n- R
) n# v+ ^$ a, h+ ?) ^7 _3 r" p5 Z
set [trade-record-one] of customer item (([who] of self) - 1): C" Q7 M3 |0 Q5 E s* X0 t
[trade-record-all]of customer3 O" q# j! T N& {4 J6 p
* }! T/ ~1 o+ R/ G$ b2 I
set [trade-record-one-len] of self length [trade-record-one] of self
* P! g. L" R( G" ]0 v4 ~# h C! r
set trade-record-current( list (timer) (random money-upper-limit))' s' X- z+ R6 d: J
: a1 D2 L0 V! `3 I( U2 B
ask self [do-trust]
* p/ D# S0 }! H, O4 `;;先求i对j的信任度
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$ k7 k$ X+ |* W4 I& |( I( @6 k5 ?' Hif ([trust-ok] of self)3 J6 H( P1 d# m! N. t# u' r
;;根据i对j的信任度来决定是否与j进行交易[
: Q5 O, a2 m7 X6 E. wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
! T* m5 m) a7 `4 K6 h' _5 ?% W! T% H+ M9 @& f2 r6 Y9 c
[" n& ` a4 G1 E/ t$ G M1 J* b8 K
$ g& f/ c' Y1 l: t3 r. d& ado-trade$ i) j9 }; @7 \8 S) Z/ h
8 V8 K1 N- \: G# v9 s/ C8 n
update-credibility-ijl
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' ~9 @6 C8 H2 n6 @; Rupdate-credibility-list
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4 `: F0 y$ t5 t5 s( H
update-global-reputation-list
- _5 y9 O( }0 x3 v9 C* v
8 q1 K5 W% A' J/ C9 R+ a8 w$ ppoll-class% v5 ~( a+ e7 N2 b: p
4 E& @( R2 V2 K2 ~. }
get-color( ?3 @6 w. @7 S# {. t
5 Y" G6 |1 K5 d( x]]( Z# _, u2 _2 g7 R. x" j
1 G& g5 O, o9 \;;如果所得的信任度满足条件,则进行交易: z0 f: L( Y9 d* i2 _* K
: a }0 l. `* x* A[7 B* a7 V# |4 k# q: H# ~. u1 Y
& {/ Z; u% \+ F/ \7 F( irt random 360
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fd 1
) r, k- Y6 _* K. p$ I' ~' a9 \4 {" V9 T# n% e" o* l
]1 c$ }! B J2 w5 |* ?
# w. r4 a/ f/ X9 S5 O1 kend
$ ^9 p7 ^% Z* S5 S, p. s0 d7 Y7 }
to do-trust $ s L5 ?5 O% ?2 j
set trust-ok False
% T$ s, D8 o7 V6 E" o; V) g* W7 u' G0 y# |0 ~
! p4 b' ^! y+ j; a! Xlet max-trade-times 0
/ V$ U$ m, `4 u) _7 uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ C: \+ i$ m' z j0 b2 nlet max-trade-money 0
5 U! v- o4 H: L& x" c1 Nforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]5 v$ g6 b. e4 m3 |; I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 q, F5 L' q+ _. k' p* y' Q$ C5 y! l! o* Y" G! F4 \9 B9 p
0 }! \* r$ ?3 Z3 M* j5 E- Xget-global-proportion! D) c- p2 s0 l! X
let trust-value
8 z9 |. k) H9 Q- O4 Hlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)5 ]5 V! \, r* G7 e( |5 K
if(trust-value > trade-trust-value)6 [2 D4 M+ X# S& ?
[set trust-ok true] j+ p/ U1 I& Q, X" s# }* T# M
end
. z4 b6 v' G4 J V0 Z7 L: w4 S8 C8 U. V0 j/ b R' g% [! J. U
to get-global-proportion" _ r! ?# F" B( y- ]& H
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: @4 M1 C3 F1 y; B7 l[set global-proportion 0]9 ~! D( Y& \! c, _) r
[let i 01 ~. ^* G- m: r* V f
let sum-money 0
6 ~: H6 y; h8 Z4 \% p; @while[ i < people]
- M" P, u+ d( _* |[
+ A, e* S% g- ^$ z( s! ~/ j6 V1 Cif( length (item i9 E. v& t6 O/ |- R$ y$ q/ B
[trade-record-all] of customer) > 3 )8 c6 _) R. k& b" k U' F& `
[
* f4 S4 K, c4 Z& O7 ~+ y7 L9 `set sum-money (sum-money + item 2(item i [trade-record-all] of myself))* `. [( h$ z0 g& K; t0 d( B& A
]
, [+ B, l, u. l% t# X p) @' D]( V" c" B6 B& g6 |1 z
let j 0
, @* t% U6 K# {3 j1 C0 P1 k2 glet note 0' g4 T" `, R* d# M" c4 H. k* ~
while[ j < people]3 q9 ~# v# d' R6 t5 `! q
[3 c8 i! \2 c" _4 ]
if( length (item i) W, i- f( |( ^; M
[trade-record-all] of customer) > 3 )0 ?) g2 V2 {) I: {& K8 n
[9 w1 V0 f. u2 k* N
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! q1 V. w6 S, `7 h: {
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 {! I" ]. R+ G" a
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& a" ]1 {" x' ]5 o! |! H$ a], M4 r9 w C I
]- I$ a5 u9 d8 M5 d
set global-proportion note
* X+ v/ t7 Z$ L( O/ X]
' b2 k* n5 o- Uend
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to do-trade. h: m3 s% v$ J& N
;;这个过程实际上是给双方作出评价的过程
: h4 [% R( b% W" E3 Y: }! d+ l) |set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: [% i- v) I8 f* U% Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) w0 }1 N, `/ m; T; O% p% o" E
set trade-record-current lput(timer) trade-record-current+ B) ?4 c% v" ~4 F# C% S
;;评价时间* G% S4 t7 o. A% q0 u
ask myself [
. k J) S/ \1 b5 J; ?update-local-reputation
4 b, t. R& V- d: ?0 W; c+ @set trade-record-current lput([local-reputation] of myself) trade-record-current& j, L, h! C) D
]1 t* {8 \6 I8 ]# v& J) J2 M
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ H9 G( Y } A/ z2 {. Q& s
;;将此次交易的记录加入到trade-record-one中! v. a4 p) B! d4 l
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). | o3 N. l0 z: B
let note (item 2 trade-record-current )% `2 p8 p/ b% ]/ E2 Y
set trade-record-current
( d) G* d/ l6 i1 R4 f6 T/ Q(replace-item 2 trade-record-current (item 3 trade-record-current))5 h: M: q0 c& d% P9 F# Q
set trade-record-current
3 g Y4 ?2 {; E0 j(replace-item 3 trade-record-current note)
8 c. S! F! s) x# N/ S) a# n; f4 A; z7 r
4 k1 e) r( i' F' e0 k7 q Xask customer [' }* O0 U/ }. X+ g* X
update-local-reputation9 B" C: K" p* _! l
set trade-record-current9 x5 |: K' N( s; ~, Y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ S: j% I+ M4 u/ B6 k2 s8 k& y]9 |" e+ ^) C. N. J1 s- h3 S' t, x
; J) N# y7 z5 D. H! \% i0 `7 v: B$ O' D" S. L" X F2 N
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 E4 a5 u/ V' |+ H, s# L1 W8 A; P1 j' Y8 ~( }
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
" g1 P( l! a8 V! Y- p;;将此次交易的记录加入到customer的trade-record-all中
W: h: }. f5 ~8 @8 z: V( p3 r9 Gend
+ ~+ x0 @$ J- N! D4 w7 p3 S. I' ?$ p, S
to update-local-reputation
: B. d e/ s4 r$ L& L1 Vset [trade-record-one-len] of myself length [trade-record-one] of myself
/ \( R; h0 M. l/ R& |9 e4 W
! z9 }" ^8 B, W9 b* _9 _7 p1 ^4 ?" J8 ^8 B4 F' @( h5 a
;;if [trade-record-one-len] of myself > 3
9 u# T# j( E, m l) Y2 v' Wupdate-neighbor-total
3 ^2 |) K7 d( a6 P0 t;;更新邻居节点的数目,在此进行
9 k8 w; b5 v6 b( S6 A8 Ulet i 3
! B' a4 J5 F0 _% Nlet sum-time 0; Y6 [4 l/ I* x* e( O. g
while[i < [trade-record-one-len] of myself]
* m' v/ O7 v( r[
% h' X% N8 Z" A8 w5 T5 _set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- O7 S3 N, {6 k7 K/ mset i1 C9 t; V# T! K2 A7 y4 L
( i + 1)
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4 D$ ^/ ]/ c! ^5 D8 T+ ]8 Ulet j 3
" Z3 H, k) O$ l2 Q) C7 X' rlet sum-money 0% r& J3 p+ {# }/ J) H( p& |: o) S
while[j < [trade-record-one-len] of myself]
" `3 r* s3 [. H[1 a3 @+ T4 v3 g0 H- [/ Z0 g1 K
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)$ h% i4 v( H2 {4 N' g$ c, h! F' \
set j5 c5 M6 k. w0 h% ~. s; s$ F
( j + 1) [" A! e+ s, f' ]% o7 x, u
]
0 S J+ s1 D4 _# h( _/ Q9 Xlet k 3
' T/ o$ f+ |. ^: l$ E6 Xlet power 0
) M. ?$ Q2 X; b5 `: nlet local 05 S6 L& O, F- U2 ~/ ]' h5 j, S0 S
while [k <[trade-record-one-len] of myself]9 e5 q6 x- A# }0 ?6 Q3 d4 t3 X
[
$ r5 z; h8 T) r- P$ Yset 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) + v/ p1 \0 Z5 w; L
set k (k + 1)
* z4 x$ R9 h: A- ^. A2 j$ A; z4 K1 E]
6 |( O4 I& g2 _- n! j j; hset [local-reputation] of myself (local)& [# K! B3 A* i3 T
end
4 B; Z2 x( }! x0 m9 a! i) [
& J( ~9 d6 |2 H) n0 Hto update-neighbor-total
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. `1 M& I) \- N6 V% M# \2 w: t7 Sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" V% \; L4 a' ] P b e( c
, k8 b: [/ c C8 Q" w( e4 V% z9 e; r2 L! n2 K& {# W/ m
end
/ R5 ~( U1 l% ]+ I! c. y9 P3 g: v) F+ x; b; \$ w) M
to update-credibility-ijl " n5 L5 i8 p5 } \
: c4 U7 k( j; P2 j1 h8 G' D;;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。( y7 S/ Z8 \3 g/ V
let l 0
. @$ s Q7 L9 N2 Y) Rwhile[ l < people ]
' }6 J+ @7 \) z0 t, ~;;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7 o7 H4 M+ D! Q/ v/ S
[4 l# y5 R2 r% c9 h/ i/ @. e
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) h" x |* l3 D0 j$ V! c) j$ Sif (trade-record-one-j-l-len > 3)
; X6 ]) c, e; ~' U2 j) ][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-one h1 j. T+ k& N8 m( O* D9 r2 m
let i 3
6 z6 J- G4 L$ Q9 @; Xlet sum-time 0
! v4 j% I" t( J0 W2 xwhile[i < trade-record-one-len]
2 P; Q: w4 ?6 K& z' u' _[: C$ k) { x7 h1 ^( d) y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& n( ]! @, ~: y) w* x8 V; Z( f/ `set i# F9 W% j: q$ V, X' w- c6 M! m; M$ h
( i + 1)
6 a9 p X1 {, c! D' K2 {]1 X: q$ A" q O3 Z9 P, F9 [8 ^
let credibility-i-j-l 0
5 j1 F# e( ]+ U1 a* m: {$ k. e;;i评价(j对jl的评价)
% B3 i4 } S2 N# l& slet j 3
+ c( l) `6 |, k% _0 h" `# G- elet k 40 I' H5 g$ \; d1 h) Q! M1 o' J# b
while[j < trade-record-one-len]: f0 m- [( l/ s
[
* v3 Q" j; |! ~" f; z) C( Bwhile [((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
; \: e9 N5 d/ n$ Yset 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)
0 [3 d2 Q( Y; w, e0 J" Vset j
2 c% p h- [9 D- k; a$ t( j + 1)
/ }4 H# B4 L7 u% @: Y]
& P8 n0 j* z3 {0 \9 A# J: Gset [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 ))
. p! F0 z2 A B9 S3 t/ T n8 h$ H+ t! N, N. J1 Z2 n
. Z; ]" V: N4 c- e5 i) c5 n5 elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ ?1 O/ Y* Q2 @0 V
;;及时更新i对l的评价质量的评价, h# D2 b9 O/ s. O6 h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 u! l `1 `! x; E$ [set l (l + 1)
0 M. T4 c, I O2 [$ o# y! w" y7 ]]* ]; i( q; p# {) ^/ o
end' s4 x: {0 ~0 B
1 }: k' r/ X, Z: nto update-credibility-list
, x0 z) x4 H, O) }/ K6 s1 xlet i 0( ?. T8 j. P. C& M o4 H( G$ R" e2 V
while[i < people]- |. M& V1 ~3 N* m
[1 ?, j# e: @0 ~8 q. e
let j 0
, J. L1 x! K) y+ qlet note 0
}0 p$ p/ Z0 e- G, i/ \7 vlet k 0+ V( c4 Z: L. \( C, E7 [
;;计作出过评价的邻居节点的数目; [# x1 P3 u" @- `" {* x
while[j < people]+ ?, @7 {; k4 u+ d1 H1 o
[
* Y6 `. f8 e% T* @. l% f7 X0 h/ Qif (item j( [credibility] of turtle (i + 1)) != -1)' n) Y9 Z4 F7 T+ |) u" j) b
;;判断是否给本turtle的评价质量做出过评价的节点
, B5 W5 _; c8 H1 _$ M% O[set note (note + item j ([credibility]of turtle (i + 1))); A9 B6 H7 u, F, e% K9 u
;;*(exp (-(people - 2)))/(people - 2))]- q6 I. H' u, I% M) v
set k (k + 1)
% `8 n3 j/ v, ?* Q]
2 D8 y# ]- q8 E- {0 t7 ^set j (j + 1)" p$ A5 ^: w* r2 y( |+ F
]
3 V3 Z2 g9 |0 u/ Wset note (note *(exp (- (1 / k)))/ k)" o: M* B, _8 C5 I/ Z! o3 R+ ~& \
set credibility-list (replace-item i credibility-list note)
0 c [4 ~# `# J$ A; D: X( tset i (i + 1); x; Z8 D# M, o2 ~: A2 i/ Y
]
2 B' `) j, N% g3 a0 b- J( Uend
' e3 ]. d. k2 V
# g% v" p3 N! I& Nto update-global-reputation-list8 Q% u0 l1 k9 M+ ^& ]) B
let j 0* I! P! B* E, |% ?) W3 H6 U
while[j < people]
2 g3 k' C( x6 X) l. @/ O[
, b& q) Z- U) o- b; G! vlet new 0
& n0 k5 y8 [. C! `;;暂存新的一个全局声誉+ V1 `5 T; g( S) }( _
let i 01 f/ n4 \1 h6 r
let sum-money 0
' Q& ?4 w& F, [: E* a$ p- g! clet credibility-money 0% [4 v$ J" t/ i' ?# O$ |2 S
while [i < people]
3 }7 u" E0 `4 b2 y+ k1 n: u[* g. R& K# u: q* e+ S1 Q
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 h7 E) Q6 p( {0 k7 Tset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 P% H# A5 o+ ?4 ~set i (i + 1)
+ Y( U! K. v/ Q]
! {( D' W. t4 d1 ^let k 04 t. | K8 ~+ Q5 }
let new1 0
7 g' Y7 I) I( ^ g; R4 gwhile [k < people]
# M- m8 c- T3 j8 O0 C[( p, P, v, o8 r
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)' @5 R* b' b) Y5 W% t# X
set k (k + 1)
) {. i: h# }8 h# j% v6 C. z]
' W: f: i% Z4 L( X: ?# p9 Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: {) b6 ~+ s- Y$ b: Z w* g9 Mset global-reputation-list (replace-item j global-reputation-list new)$ ~, n" [7 L- _$ \ a g
set j (j + 1)2 I; M( k$ `4 g7 k
]+ |6 D$ ?) ]2 c$ A$ O
end( \# @0 A3 X3 d& x$ h
S0 w6 Z, Q x. ~: V
" [0 W" }3 T6 P7 f; E$ d, h# `) M7 _% ], K6 [- G
to get-color
7 u5 ?; }* G. j* }: j/ k* v \9 ^1 [9 e
set color blue0 c, U( [! y F$ O( G4 [. z, P
end
3 B6 `, C4 A0 f% g3 _0 i R
. B! S+ B1 q7 Z& _to poll-class
" {# f/ a/ S" n" P: X" A( [end
$ c4 T m, [& d: |8 v! e. b; ]6 y, I' g" b) e2 \7 {9 z' S! z
to setup-plot1* _. }' X; ?) y
1 i! K# Y4 S7 ?) n2 Fset-current-plot "Trends-of-Local-reputation"
0 l$ e5 y* J, V5 b8 g/ Q9 x
$ @0 D9 t2 [* q7 [/ hset-plot-x-range 0 xmax1 [( M0 g) o1 k- T: [
+ l/ c5 Z/ |, F5 z3 h
set-plot-y-range 0.0 ymax9 A- K4 B) ^3 }1 t7 W( T8 A- z: j
end) I+ C; d @ y6 o6 C8 x5 S
1 M1 g/ b- _2 w/ E3 g, bto setup-plot2( ^/ U3 s; q0 i- m& F$ S9 I; F
4 M: `( z1 J! Q* P0 x
set-current-plot "Trends-of-global-reputation"
3 d* V$ b- @1 a
9 n% L. K& @2 {) k! x. U/ ?8 J; W$ jset-plot-x-range 0 xmax8 R6 f. e& H3 i" G" `! v' ?' ^
# Q, v5 R! W5 d- e! S( \
set-plot-y-range 0.0 ymax
: ~4 a& W" t5 n& ~end* A) J4 ^' u; E
3 a# b, C( Z8 O z- J& G0 m
to setup-plot3
: B; `- _7 H8 P
& k+ X5 S$ ?5 R' d! i" |set-current-plot "Trends-of-credibility"7 N! u3 ?8 e0 c8 @6 L
. I! g& F! `4 }! k! `- L; Qset-plot-x-range 0 xmax" m1 k8 L, s V1 }8 o
( S0 P7 b# C* Dset-plot-y-range 0.0 ymax
$ X8 S2 R3 j, c0 Qend( S& e6 L- {" c5 E% k; N
, t: v& ]+ v) p+ p- D2 j1 fto do-plots
; f; A' H0 T, V. nset-current-plot "Trends-of-Local-reputation"
: ~- f* v& S8 x. n" F0 g1 g; g1 Bset-current-plot-pen "Honest service"8 v! a T5 ~ P9 [' e
end
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1 a3 v! X# v- f% d) s: Q, j0 o[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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