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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6 a% f3 |) k& A9 t$ Z' I+ t% S
globals[
' b) ^7 T9 w9 gxmax
3 Z/ Q+ }! S1 Pymax6 v8 J( h, p3 r: M! z
global-reputation-list
( X; V4 |" C4 q
! J+ v7 W/ b3 _; A" R;;每一个turtle的全局声誉都存在此LIST中: j; D, h$ q r' ]3 T5 n, _1 v
credibility-list
( W, Z$ i' _' d, x% p& i;;每一个turtle的评价可信度
5 r% f2 G1 n4 _honest-service
~2 E5 ?9 d; l# Z% t* Munhonest-service
a0 }) ~, I' p9 t; ^oscillation
) e+ m- z+ k! E4 u! B5 Brand-dynamic
! m4 K7 F1 h& d8 y! [5 L]
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turtles-own[% `; C$ N* C2 w9 P
trade-record-all
# a% m \) n$ h) r! d' Q;;a list of lists,由trade-record-one组成% |; y4 t5 `2 i1 S' }% @
trade-record-one
: D0 ?- v) S$ t;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' n& { _/ p+ F; k4 h" N; k
; t/ V" e# B; `$ X# o( ~( y
;;[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]]
! Z D# c( H# D0 @" Xtrade-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]8 F o/ T* h: S6 B
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list/ V% C8 j, |0 P+ k1 N
neighbor-total
. \! z; }* p# {2 B$ f) n$ t;;记录该turtle的邻居节点的数目
+ o6 \9 a& E+ |trade-time% {- Z; U+ f3 A9 T8 G
;;当前发生交易的turtle的交易时间
# k) V0 Z9 i9 z* \* b9 ?. P( Tappraise-give5 ]' w' {& K* Z) L( L3 b
;;当前发生交易时给出的评价% d$ F. s9 x/ I5 q, h6 `
appraise-receive
1 }4 o$ s& y) ?6 B;;当前发生交易时收到的评价+ j* e9 _- w2 s: D# p8 \6 ^
appraise-time
" I+ I/ ]9 C- K0 E;;当前发生交易时的评价时间9 L% c/ s+ ^% n4 O2 h3 d: x$ ^
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. l$ X6 {, X5 dtrade-times-total
% M# l" c9 S) j2 B# _;;与当前turtle的交易总次数4 q( j$ s- S- A/ u- l
trade-money-total z) O s9 ]# Q. _+ F# b& ~
;;与当前turtle的交易总金额# o; c: y: S( N( T8 Y1 n5 n/ {
local-reputation5 l% n( u+ s# V w
global-reputation
+ [* ?. y9 C! Y3 ]credibility
6 z7 {; g0 X% Q* i( f7 W( E$ S;;评价可信度,每次交易后都需要更新
( A+ v) _& {7 r+ c8 vcredibility-all0 y7 ~( R+ @" Z+ s8 `
;;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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: b1 C6 s% R( G! r;;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+ A/ N0 }0 k1 B7 l. Q
credibility-one
$ p0 {: n6 H3 c9 h# r;;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
. H' t: @ x9 d' n4 ~global-proportion
! `( P5 B, O$ k- o: kcustomer: E4 T1 c" w% g6 `9 Q* @: o. A/ Q- N
customer-no
9 P( U/ a( |/ w6 ?2 P' w1 p/ rtrust-ok
+ A. C( n9 |7 e6 W7 s Ktrade-record-one-len;;trade-record-one的长度
0 S1 G7 e2 {! a, r7 \]
# O3 I7 l' F$ G: @
' F( ^0 F' o' v1 Z* s# Z: [;;setup procedure
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3 t4 _* ~0 S3 `' ~8 a4 `8 H+ rto setup1 P7 N+ L, z% ~) J
! ?4 L# |; D3 s' R7 d- n |ca/ h4 x T$ F5 Y' \ D3 [ Q
+ u4 m+ s- n8 ^5 ` x" A* ?, h% b
initialize-settings' P p' g5 G# G" b
" X# m2 B/ _8 d+ c Jcrt people [setup-turtles]
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9 b# F' G$ ~4 b. K" ~' L$ l: }2 P: Areset-timer
& {- b1 R( q' G! a- V8 u2 N1 U# t2 f7 ~7 l
poll-class0 z! Q$ b- U& o; k6 h
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setup-plots
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2 |% T( |! t) `" ?& s. Qdo-plots
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/ E1 s4 V2 E1 Pto initialize-settings
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' K' G8 }& b7 H5 m2 n- tset global-reputation-list []+ B1 k& G& F+ X8 g
6 W9 k; j, G- H& q+ v( @" v/ vset credibility-list n-values people [0.5]
3 ?9 B8 ?8 Z2 b; ?, m: B' `) [/ o7 n' U$ \/ R& C/ \
set honest-service 0
0 H/ o/ E9 b3 v! N! y. l& O$ w. P. j5 r5 D7 s0 c1 B; Z7 L
set unhonest-service 03 X1 O' j9 i8 Y3 c' H
2 q, ]0 e% x3 Z- q; `7 H- m/ I9 X& \set oscillation 0
* l" Y" |* C' j; z- t, N9 s2 [. m5 Z/ B$ t4 c' u# A
set rand-dynamic 0
* A" r2 N: i9 _- Q3 L: yend
1 N+ `: T) [# ~( [: C, x4 _3 C: {" {# n! M* \9 O1 H" t
to setup-turtles
) A* [. S/ a+ f8 g+ Xset shape "person"
! r7 d' I* |5 P+ o# h% ?; `' `1 Ksetxy random-xcor random-ycor0 M: J$ y2 h* }8 U% T3 I
set trade-record-one []
$ a* I" }8 C O2 j
; Q6 D5 \6 ^3 ^* \set trade-record-all n-values people [(list (? + 1) 0 0)] 2 i) i, j9 ^3 ]8 Y
2 Q" c9 M: F6 M4 B) }8 K! Bset trade-record-current []+ Z5 ~/ E0 y$ U- @
set credibility-receive []
( h2 E9 U+ n! W4 L& | L% A1 cset local-reputation 0.5
- g$ N- l8 v% v4 `/ rset neighbor-total 0/ g' ]" E2 ] N1 j ^& [+ q
set trade-times-total 0
7 U0 J9 q, z. ]6 y$ K0 i6 N4 K) O4 G, Kset trade-money-total 0/ d' x5 i- n2 N2 e& w8 X4 i: \! O
set customer nobody
- @1 c7 D K% R/ |) |7 A# l6 rset credibility-all n-values people [creat-credibility]- m( i6 @, J7 H. z$ b" B
set credibility n-values people [-1]
; l8 E& E1 u9 j [0 ]) }! `) Uget-color" [. m2 Z# h( b( X( M' ]! M# _# V
; w% i* w- R4 j" U, \) j3 ]end. f8 {) S" l- }0 J9 } M
4 ^0 J: k( e9 ^' V/ m
to-report creat-credibility
. D9 B) { C6 \5 }) Greport n-values people [0.5]
# h* o7 |5 b8 H m# x. |( Jend( m( _( ]8 v$ v
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to setup-plots) s# r7 O) ?+ K4 x' {
! ^, v8 R7 v4 B/ q7 u& Xset xmax 30
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8 L. h9 d8 G& n1 Oset ymax 1.0
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& O; b) F/ W0 g6 C' dclear-all-plots6 o9 P- {8 c+ t3 `6 \
+ y# [4 G" @: a: B+ c& ^# |
setup-plot11 \) |3 }, K1 U h0 ]0 h# J% Z6 N
( `2 \+ O3 U# l& u7 Y+ y, ?3 }7 ^
setup-plot2$ r; N- a, A) I) i8 h3 T7 N x, a2 b
* N% f" O+ \& Lsetup-plot3
: h% Y, m- e& V4 L2 `end0 e* \. q: d' K7 _1 p+ n
. s' w. R8 N( d$ ?) {
;;run time procedures' w5 W2 I& S# z* e
' q/ {" Z/ h6 @0 x S) I$ q' Sto go& U6 o" t3 F' s
; B8 v2 ]' K+ S1 {4 |1 g/ Xask turtles [do-business]4 k: y8 P. B5 E/ o
end0 X" l- j$ c+ l9 b- j* I0 ^
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to do-business
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/ T2 l% }* a: m4 \, a9 s$ K
6 y' H8 @+ K+ k6 Rrt random 360. X. l- f0 c9 K3 J. K+ R) ?
1 ]" L- ?7 p6 e5 \$ L: I( O6 o8 {0 m" }fd 1- a- d/ [! b1 d; G1 |4 b
( D' ~' V( `2 o& H: W- wifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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4 X# w: f) b) @) I( z- T0 W# f I;; set [customer] of customer myself2 ?* L9 @2 z: a" b9 d
6 A+ k9 h# i4 e9 xset [trade-record-one] of self item (([who] of customer) - 1)4 Z0 V% r: e6 W- o$ g
[trade-record-all]of self! \4 v+ V. J$ \" u0 ?: X
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( ]$ J) Q. a+ b" ]% R' f, v
/ _7 m- C% b. t6 p' z% l uset [trade-record-one] of customer item (([who] of self) - 1)
$ K. ` o" Q1 \( m% z( L[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self9 F8 W7 f+ f7 E/ J' w' N! I
' p X9 T/ f! B9 a7 j
set trade-record-current( list (timer) (random money-upper-limit))+ z0 }* m1 @: l, G
0 r6 @5 j ]' X; N @ask self [do-trust]/ N1 b4 M o. F) O
;;先求i对j的信任度
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6 m0 {3 V9 h* B; Z" d3 Sif ([trust-ok] of self)6 r" n- p# i! Q; H; ` n
;;根据i对j的信任度来决定是否与j进行交易[
1 q& [: G6 D* ]# }# Q. d0 `ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# p( ?3 E! S0 k& r i% f' a
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+ `$ S7 d2 u" z5 N- K v: r3 ~# c" i
do-trade
+ n1 i' G! F( G2 `" C! ^; Z2 Z
6 |9 |" Z) t5 f" e: Uupdate-credibility-ijl
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5 _3 T+ e6 V0 i# hupdate-credibility-list8 \2 p! l5 {( t& _% O4 X6 Q) }9 O0 k2 L
n) o1 L. I4 ]4 ? ~# J
, f) Y; R* I+ G( ~' Fupdate-global-reputation-list) ~- t$ C2 ~- r$ F
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poll-class* ]) @8 w Y2 ]2 Q) M. E. y" D5 Z
" H* M! N8 O- S& @
get-color
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]]
6 ~: S2 r4 y0 e# I$ B4 e$ W; Y; F5 G7 q _" @( A
;;如果所得的信任度满足条件,则进行交易" b# { r' V; ?& L& f7 [
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[
J+ \7 q7 b+ w+ h
+ z8 w6 p4 D$ ]$ M* T# j0 H0 L5 Y/ `rt random 360
* \ c) w0 H4 z0 N; y4 j3 L6 o$ P0 P5 Z2 K0 |% k
fd 1% k/ z1 C: ^+ q
& ~7 T& T: n4 `$ I R* A3 P" Z]
: L$ p" g+ i# F& J; s3 Y/ z! n0 s3 g0 }# M& ^
end
/ X. ^9 ]4 r* u& ] E
: ^; [2 W" O& M9 {7 H$ [5 t7 tto do-trust
2 |- _1 k0 ]5 E# z6 ]set trust-ok False
. [6 F, {8 k5 G
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$ K, M- y# v0 ]0 p1 l5 slet max-trade-times 0
3 {8 n& y: N) L4 X8 Iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ r* \% N. m6 f% O. i2 Llet max-trade-money 0; [$ ?6 w1 l3 h+ y- V6 R9 {
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
O" T X5 K' O9 V4 Nlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 n- U8 ?7 a0 S2 U5 i/ O! I4 z6 h. E" s5 R. O
1 A' Z* V4 l, t* `& j/ c& j
get-global-proportion/ y" Z# v% c* d; ]
let trust-value0 I; [1 j) n$ \
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)2 y8 C0 P8 a* _& f
if(trust-value > trade-trust-value)! q; _$ {7 ~0 d3 o! U3 n
[set trust-ok true]- H, Q0 Y% ]1 E* _# q
end
- X5 z( E+ k/ ~1 d* H
2 W/ t9 w" n" h q+ m1 T8 _to get-global-proportion
" s; G/ |% \% B3 q! k5 a/ P( I" Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( ^8 |2 s t: f \0 k[set global-proportion 0]! R3 ]% Z$ H/ g: R
[let i 0
; n) }( \9 [1 ~; A xlet sum-money 0
% g. s, b! A, q. u; _while[ i < people]4 h* V( F! q$ M
[2 k' k6 J" I% N2 M1 C
if( length (item i
& x" C+ W5 v3 R) x1 o/ {% n9 Z& R[trade-record-all] of customer) > 3 )
. Z4 J) d0 p% O1 ~4 T0 N# l5 h[
7 g2 c' s q" ~; r5 @% Aset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, F4 T) b* o) e# _. n4 Q]8 u! \5 h. K, |" Y: y; A
]( } G. l' {/ z1 I6 H8 }
let j 03 s) s/ q, {6 \
let note 0
5 J" \" g- v; G" p" awhile[ j < people]( y6 N$ N& q( d, D: ~8 g; p9 ?
[& M$ L" O. s+ b; [* \ F
if( length (item i4 Z5 H }+ T3 M4 h
[trade-record-all] of customer) > 3 )
7 c( ^: K- O% b+ z k' r- E* f[0 Y d) z" e6 j* I6 `7 d
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
- n0 M/ ^+ Z0 P2 n/ K* @. g[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% X$ u3 p5 W* r2 x[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 w" W- o1 I6 f( G3 M: b
]
$ C( G, T3 r3 f) z1 `/ v]
; `: l( m" ]1 O7 O# |. ^set global-proportion note
k1 o0 O3 O! r9 u3 c" |8 a6 F]
j& q* u! |9 H2 q0 C6 _6 Hend
0 I) F5 i' L3 J5 M' q K
* a O& J2 x, p) _; S8 q8 Kto do-trade4 w# c( C9 _; ]/ V; o6 a) X
;;这个过程实际上是给双方作出评价的过程$ N+ w0 A+ ^ `- `0 o7 G4 V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" W0 y0 n* O8 U1 ~! Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ y$ k7 x5 O+ e3 E( `0 S; n8 Aset trade-record-current lput(timer) trade-record-current1 H: L$ o/ g* h7 ?! x5 R4 g/ b
;;评价时间: d E6 P, r5 \' @+ F4 N
ask myself [
$ U7 o, J+ b/ W+ M/ V* G! nupdate-local-reputation9 l( d. F5 y' h% {9 W" y; C! a
set trade-record-current lput([local-reputation] of myself) trade-record-current
! q' n4 u2 Q6 T9 V% o: Q* m]
+ U3 P+ s1 j0 ]1 U) {set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 @+ a/ p9 C4 Y" s2 U
;;将此次交易的记录加入到trade-record-one中
3 D% Z5 w% b& P! gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- o2 o8 O4 \4 h% y4 ?2 I4 A
let note (item 2 trade-record-current )
- l! [% ^) N6 R8 Y( {: D# o6 ^set trade-record-current
( @$ K5 k) t% J- P(replace-item 2 trade-record-current (item 3 trade-record-current))) Y" Z0 N; }6 U( {0 t0 c% R
set trade-record-current
7 h+ T7 `- s1 \7 V. X(replace-item 3 trade-record-current note)( Y0 }( f4 K7 _3 C1 g6 @
+ W% @$ r D0 N; {$ l" R+ h% m1 S+ }! `( {- d2 }7 J1 G# B& i/ N [' p
ask customer [9 L6 i' h: r" r1 b: ]0 u* Q j
update-local-reputation
' F% r6 Z5 }) ?" nset trade-record-current1 P" P' M# ?; D& D M7 G
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' z% |& l6 v) M+ D" O4 D" V
]
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! X& @2 Z; c i. n2 y, C0 @set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 N a; e* B; j
5 i8 M5 N# W# l& X. s/ ^) o Gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
y7 H8 f+ }" ^0 E6 Z1 @;;将此次交易的记录加入到customer的trade-record-all中
" m# h: w7 ~. T8 Yend
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; R* c8 t% Q$ L" n# b5 }to update-local-reputation; O; j$ K% Y4 K4 n) C
set [trade-record-one-len] of myself length [trade-record-one] of myself
% q' @" M: s5 w$ A
7 X9 i+ {0 R' A0 u6 w% x5 D8 x8 ]3 C' \7 t3 M
;;if [trade-record-one-len] of myself > 3 - e3 _9 X1 H- q( d0 j
update-neighbor-total/ N0 x# f3 x9 k: B* C
;;更新邻居节点的数目,在此进行; ]7 u4 z5 z8 I$ t$ P
let i 32 m1 B5 A, X- B
let sum-time 0
; G+ z0 ]# J+ q# d7 A1 j) ?' Ywhile[i < [trade-record-one-len] of myself]
1 \: e" F5 M+ _6 H1 Z1 M, K6 b, {[
0 l$ g- e" |3 c, ]% P: h- d) ~set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! {4 {+ X' h' ~& u9 _+ f$ Pset i& X, U0 R% i. D0 c: F
( i + 1); e/ X% }8 {6 ?
]. t# y- M: w% W- U2 Y% p
let j 30 Z6 z: v/ e4 ]$ o, a( i6 W# x+ I% ]
let sum-money 0
- b9 {- r& s- A, A% M9 F5 Bwhile[j < [trade-record-one-len] of myself]" V- W1 p; Y: Q# D& |
[8 y1 C% F p" T
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)
$ m$ b5 F- S0 \# l, mset j
. J! T( b8 c2 p9 K s( j + 1)
9 M5 h. s2 E; D# M6 d7 |' C]' I5 p+ U5 m4 K& e6 U
let k 30 M# f! ?4 y( [
let power 0
; `# C3 Q$ X6 v, Wlet local 0/ \. }: R- ?/ h9 ]. }/ ?. w! H# D
while [k <[trade-record-one-len] of myself]
3 X. G6 U7 q4 O* g. @2 q[
+ Z$ s5 ~; A' Y) ]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) . [0 Y9 x Z3 ]" v% d9 m
set k (k + 1)! P: j4 J% E/ q' C+ J( r
]6 ~7 i2 I0 V* ~5 }
set [local-reputation] of myself (local)2 ?2 I) H i- N' r8 w
end ]4 P% a; c- T
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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) ]8 i }) h7 s1 j4 }
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* n- t8 d2 j0 t! Tend* U3 D8 V9 o0 J0 f
- _% ]3 U' J9 t$ S, P" o& |0 oto update-credibility-ijl 6 \+ c2 f" S) d2 N0 g4 r5 D
: k: ]) _$ q; q: s& L( {$ J/ u
;;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。; |1 I+ d- L$ v. }' G% {
let l 0. u/ T6 \# A! u6 _# e5 z
while[ l < people ]9 z* Z3 \* d* u6 b* B- M
;;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
* @5 W8 K: E! {! @: c! G[
: Q; o3 ^6 y: I4 Vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 E3 j5 X( m* n" c" R4 y# {
if (trade-record-one-j-l-len > 3)& M7 b4 b I A# k' c& x. _
[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( I" A4 Z1 |! q3 s9 |
let i 3+ n: q' z! _: r2 C
let sum-time 0% _4 t$ G( ]1 o
while[i < trade-record-one-len]
$ X9 m4 E2 N2 x6 j- f! p2 b[1 O- C) E3 t5 V$ d. [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 g, O, h+ h" q; \% J! a8 t
set i
) A' w# ~8 W! T( |( i + 1)% f( F: w% y* O* b( H# D
]; Y) d" b& E8 S
let credibility-i-j-l 0
, r$ Q$ q& a; A4 y f* A;;i评价(j对jl的评价)
. i! Z! t" e6 s# V' F' Q3 wlet j 3
' _5 V4 U% H+ M1 F5 S. Vlet k 41 q8 o+ B+ Z. r1 h8 r
while[j < trade-record-one-len]
0 x4 s; ^; N/ r8 A7 |) L$ m7 u o. t[
$ D( ~4 _% g6 u* F. L2 H' j) U f( _# Owhile [((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$ G6 ?- k* T) c# z( H
set 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)
# [8 |: q. @3 P4 Eset j& s. A/ g: s5 F( ^% n* v- f
( j + 1)
! o- |9 C0 n! a8 w5 [0 |( k]7 p8 d2 z- Y0 {5 ^- I2 h$ x
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 ))
3 G9 E/ T+ W- N& [1 Q$ \) {7 a6 A/ Z1 e" C0 L: ^8 ]) a) \ e
R4 y/ C/ l9 A8 L/ F4 h
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ r! Y9 O; F% {" [2 Z0 l
;;及时更新i对l的评价质量的评价* c% F8 t& L) T9 e( p- g
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ k( ?! U$ i6 f: x5 u& D2 a
set l (l + 1)
+ r* b1 G) H9 x, Q* s. F3 T]
) w4 p7 `, ?( d0 H6 G' N# d/ N ~end
" X3 h0 z8 s; o; J) s0 D$ H- H5 u- C7 Y3 H" W6 O4 ^* V
to update-credibility-list
" P( \" y7 T4 K9 Alet i 0
# L* B: I- w7 _while[i < people]; Y% _- G0 D% t, _( I" E
[! `: ]/ w3 s$ d! Q( o% f
let j 0, _: S0 k* c+ o% Z
let note 0
6 V9 v' \: d/ z3 j3 x olet k 0% A. @2 w5 Z3 Y
;;计作出过评价的邻居节点的数目
8 F$ V9 l* x3 M/ e! _while[j < people], Q9 D3 V5 h+ O8 D# F, D9 z
[
/ u2 b+ x' @' P) K1 Iif (item j( [credibility] of turtle (i + 1)) != -1)
5 J9 f+ }' h7 D" C! `: |; [1 I) D4 z;;判断是否给本turtle的评价质量做出过评价的节点
0 T7 l+ D0 q1 b1 j% Q! z) I[set note (note + item j ([credibility]of turtle (i + 1)))
9 U/ u1 W7 M3 z: Z;;*(exp (-(people - 2)))/(people - 2))]
/ _& @! \7 ], T/ E0 d! |/ l7 Sset k (k + 1)
6 | G8 `! Q- Y! y]( t, h% M L7 B
set j (j + 1): Y/ N0 t% L0 y( m6 ~2 T5 V
]. c9 U+ p$ Y1 q# P, ` |
set note (note *(exp (- (1 / k)))/ k)
/ s d( r; u- h I; oset credibility-list (replace-item i credibility-list note)% P9 ]% }5 `! W" q
set i (i + 1)
% F& H ~, B; z' p8 i]
& J/ @5 ~1 G; i/ j! K( Send
3 v5 k J6 Q ?5 [* O w; k: Q9 s V- h" u% p1 u
to update-global-reputation-list0 @" Y9 E9 f d0 K* t
let j 00 }$ o& ^( @& E, z; E
while[j < people]
) w3 c7 R+ H9 X$ C' }[
8 _5 C* K# n7 H6 Plet new 0
3 z. |4 r( S2 n, _8 I;;暂存新的一个全局声誉
2 y9 {4 m: r6 X, K7 Qlet i 0
7 q8 ]" y) g& Q- j; |let sum-money 0( l8 ]" t. j3 f
let credibility-money 02 [* b4 C z1 c( Y
while [i < people]
2 T @5 P. R2 r/ V3 L) x8 f[
7 d% v& C, \7 O+ _/ k4 I- ?# V. Xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 J v* H& U4 a" X1 `+ g/ Eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, |4 }2 E5 k5 S/ Hset i (i + 1)
( |$ n- U7 h& Z0 n# h# V]
7 F% d9 G0 Q4 G" l5 Dlet k 0
$ t+ r6 N1 T/ `) I& m, o1 Z& Nlet new1 0
4 o0 v1 u+ _, @ R2 Jwhile [k < people]( j$ V: o, W7 N, C1 p5 Y2 ~
[
- \: ~. y# F0 o% e8 zset 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)
y" x& q* L/ V/ @* m' w4 K- gset k (k + 1)
+ m. |1 {0 c6 w+ G8 F& r; I) b]
. d* Z" J& G( D w3 @2 kset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 `# A/ p x! w m8 Q0 V
set global-reputation-list (replace-item j global-reputation-list new), B* z0 O- E8 Z) Q# `: @0 y
set j (j + 1)
, R! P1 W, T: r6 S& _3 M* a]% b9 S9 f! S& P' L
end9 W- j5 |" Q2 b6 \
6 c2 T3 ?/ N; b9 Z' m& |1 K3 E
1 U& V! g9 S2 c, @' _5 a; A& T q& Y! t5 @) ^# f' W* E" x
to get-color7 G& w& u: t# D. x
/ B! C: O& v2 m$ v! `, ^2 y! Aset color blue
" w: R J" F( R6 W" }end
" Q( a$ e. h! b
8 y& q, |: {9 Z2 G3 O+ L- m! V" Pto poll-class
, ]" `4 x" g8 pend
. @+ a. e* j: R$ y @( o9 g# a/ O( H% B9 K' b Q9 V' o
to setup-plot1
0 o5 ]9 `1 q/ J$ k( \; W+ P
. W7 U9 p" O0 n; s, s" lset-current-plot "Trends-of-Local-reputation" Y- U, L$ ]& d2 C6 r9 N8 }
Q/ C' G% o2 h$ W. E( s/ f
set-plot-x-range 0 xmax
. u8 p/ B2 X# F/ b
! u* s, h. w; |5 c: T" s: R) V4 ?set-plot-y-range 0.0 ymax' h& N" F1 P* R j+ y
end* D7 @2 d( u6 [' X
6 D) L3 Q% y! hto setup-plot2
. ] y! M1 V7 Y- x4 {. z$ ~/ ~ l1 \* @
set-current-plot "Trends-of-global-reputation"
8 |5 a U" {' H2 G( o# V4 ^4 ~) z+ ]
5 [5 I, M4 q" iset-plot-x-range 0 xmax
( c# P: W! I; v9 _: h+ m9 n% P6 E; z
T' P- f$ q7 S, V/ l6 w) Iset-plot-y-range 0.0 ymax, K+ t# n7 M. S
end
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to setup-plot3! [0 C5 {+ B! _5 r& C
. Q) A4 t+ g; |
set-current-plot "Trends-of-credibility"' e: I% L: [: K1 k% ]
% G1 E: P) {; t2 o6 H. iset-plot-x-range 0 xmax. f! z: y# ^' y, f7 }
0 y9 D- {1 S, E' V& vset-plot-y-range 0.0 ymax) R# g" S. c4 Q5 z/ i2 X
end
9 U$ n6 G+ U' y) j& H
" C1 \/ R/ N' A2 uto do-plots
: b. L; z7 V, y2 S8 K4 tset-current-plot "Trends-of-Local-reputation"
: R" q! Q Q7 Bset-current-plot-pen "Honest service"" Z# J8 o1 ^2 j) E- U
end
8 B& n% G4 X) G; ~2 A! p5 b6 I& k4 g1 u! K& ]
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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