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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
* e! v, b9 O5 S0 D' B+ z" q. Sglobals[
, j* z% S0 B1 Z. f$ t/ P2 rxmax# @+ U4 u' [0 V$ e g6 ] Y' B
ymax
4 `' s8 n. I& }; @2 @global-reputation-list
; D( L$ k- O' i8 ~8 I
3 _6 i4 w5 s2 o i;;每一个turtle的全局声誉都存在此LIST中
; m6 b2 f* u( t+ p( O4 v7 z3 ucredibility-list& K A) ]8 h8 \' J
;;每一个turtle的评价可信度: z* }' D. G4 n. W3 ~. S% S
honest-service$ y$ F7 j/ h( ]7 ~& ]% q' |$ l
unhonest-service4 M( c# G; G: ]5 c% ~
oscillation! Q3 B, J& Q) U( O1 a1 Q
rand-dynamic
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, ]& h8 o0 E% h7 N8 \# l+ x0 b( j3 h# Z, _
turtles-own[
# ?$ N" m# `! R% D0 Itrade-record-all
+ h( U6 {7 u T/ w" q;;a list of lists,由trade-record-one组成3 |! \; g" T( u$ r
trade-record-one/ b. }2 L) K* j% J9 O
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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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]]5 w" b+ a' X+ t' 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]; y/ X; l0 E% v, Z8 f: ?
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list9 n# p p. p0 @' y, j) |
neighbor-total# g! t( E4 R! Y" o7 s0 @$ }
;;记录该turtle的邻居节点的数目* e! r- U+ h; K
trade-time6 v( e. L; g) U, S, a/ z' V9 }9 A
;;当前发生交易的turtle的交易时间- X' E6 _" `6 k8 X' I) o
appraise-give. h5 b& O. x$ d6 W; r0 _
;;当前发生交易时给出的评价
; s% R: x2 d; o x5 n. K1 vappraise-receive8 T, ?- `! H, f8 \* G$ |$ ?
;;当前发生交易时收到的评价: |" r( n7 p+ V
appraise-time
1 J5 C& J, \) c, V: Z;;当前发生交易时的评价时间
$ t4 W) r* O2 Y. a$ Zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉( p8 G; G5 ?( i% s5 p0 n, E
trade-times-total
& w! b3 P# }: B1 a. Q$ C;;与当前turtle的交易总次数9 G4 Q! T( i! D7 R* }" o
trade-money-total. J: f9 b( f8 ]# o- Z% U/ o
;;与当前turtle的交易总金额2 S! A/ Z0 D c& u/ x9 O# o5 K; K
local-reputation
. g/ N: ^& L9 k" Iglobal-reputation
$ C+ r# b7 ?) U" r/ l$ dcredibility
9 d8 m! L4 m3 \& f; @/ u;;评价可信度,每次交易后都需要更新
- f' U t( @/ B5 c. vcredibility-all
5 I% e1 U5 R' {" h$ l) T. H p& m;;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; H* [' C8 c* M* ]$ E
, Q; a2 y' f; W; t, H5 H
;;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( L. z' {# ?3 `7 d
credibility-one
7 [ r8 s/ z# 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
4 l# l4 q) k/ w% x. Xglobal-proportion
- A1 O! C/ Y6 m( [1 @6 ccustomer# y" T7 @# D0 K" p9 [
customer-no+ M# s5 h( P1 y
trust-ok
, P7 W/ I3 C, G: t. z: r7 N4 j8 G utrade-record-one-len;;trade-record-one的长度
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4 r2 T/ L$ r4 B6 }* @8 a! V* B2 b9 W;;setup procedure
& B( u' K* m$ H4 b) R3 U/ s" l: W! K5 i
to setup( U9 Z x; m! f
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ca. j$ F0 b8 \! M* Q: F$ H" P
9 W5 }# I2 X/ n- }initialize-settings/ M+ Z8 p% _5 u' N8 K4 V8 X, W; x
* s7 ^! d% S. ]0 F
crt people [setup-turtles]# r% V! J7 h6 K
' n d1 e# Z) o1 h$ breset-timer! U% @5 b' g9 d
) O* g) r- g' R/ Kpoll-class
$ X0 @, {9 J5 V6 ~& m( J2 c7 ?- h, N( p, [% W* ]
setup-plots
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1 i, G4 W* U. M" _' Fdo-plots
! p; M8 ` [8 s7 Lend2 \3 _# |# r+ y6 m; Z, E% H
, C3 A5 w( [! U2 ]& @$ U
to initialize-settings; J' b% q) N, V; E5 K: s3 j
; B1 Q7 x" U6 ^$ [set global-reputation-list []
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set credibility-list n-values people [0.5]
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/ {9 g& d5 v& L7 Q8 ^. h" q$ }set honest-service 0* i. d" y6 r) y$ \$ N
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set unhonest-service 0
5 k4 u P% G* v' F7 k3 O: \
8 z, [7 ` \) ]/ z4 [2 q" _set oscillation 07 h* P/ Y: [3 {. I7 H7 W8 x: F
9 [! N! f/ B8 N I
set rand-dynamic 0: o5 D% d- b( ~! e6 g9 g8 F& M
end4 r7 \. v. T1 F) X! F
8 p% c9 W0 u8 [6 P" \, Lto setup-turtles
1 A2 W# g8 ~* Iset shape "person"
" ]" E6 w- V( w: V$ v% M; e# Osetxy random-xcor random-ycor# h% z: d! }. p5 q( E
set trade-record-one []
% g6 F$ M* V) U% k7 {) v
1 q0 F: w' f0 d5 @set trade-record-all n-values people [(list (? + 1) 0 0)] ! o8 e* @5 C. `; b
- q9 a4 m- ~( Y3 E7 ]set trade-record-current []
8 Q/ S4 q3 v' j" g9 k% yset credibility-receive []/ V2 j/ z- T) w8 ]. M
set local-reputation 0.5
5 X$ j4 \& D# G( S4 A2 k$ g! T6 Sset neighbor-total 0
: ~! O0 C- E. R7 e" h# tset trade-times-total 0
$ P! ?- }- G* T& }+ B! N. iset trade-money-total 0
9 _( E7 n) l* x% I3 `8 `2 tset customer nobody
- i# y) j) p j3 F# _% t2 Xset credibility-all n-values people [creat-credibility]0 X2 ?) |. q; ^# N% C
set credibility n-values people [-1]. R) W+ @3 U' D8 ^. h- Z; r4 N
get-color
( Y! B# G* w1 S1 \* v) |) |
, [* G2 `0 E+ Q1 zend( b3 V5 r q4 G7 B# u
" Z. C) W9 q+ R; L
to-report creat-credibility, t2 o6 z7 W# Y; d' x, G
report n-values people [0.5]
/ C, a- J; R6 \, _* Z7 ^end
, E5 B' K G b/ h2 M# }9 q1 r9 `
. p* {# f$ b. a, }to setup-plots
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set xmax 30# i: x e9 R8 B# i7 \( C% n
~% N, j% ]' ^set ymax 1.0
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clear-all-plots* P! C c7 V. g( ^7 w& u
3 C8 I3 A% M" q' W, E V- A
setup-plot13 l7 x5 H+ P% X) [1 y, N7 ]
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setup-plot2
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setup-plot3
7 F0 M8 X7 o" v/ Dend
! [$ t' ]( B9 k1 b1 I( ?9 \( ~# _- }' |( |
;;run time procedures& |+ h }- I+ l. r7 x, G
/ j/ z* N% b) c9 Z# [4 v- f; Lto go! X/ P& k7 L; g+ I' `) y. Y9 n
8 \, D4 M2 m4 q+ ?9 C
ask turtles [do-business]8 j1 ] c( F3 c) \" t2 {7 F) N
end" n9 S0 P( _6 q; T P& m
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to do-business : a( @9 D; p$ \. w
& s5 j. z: T; B/ c
4 o2 O% z6 x* r+ {rt random 360
2 D# ~- E+ _4 ^6 U$ D2 R4 u( h
fd 1
/ q& u3 \1 \6 w9 W6 {# r9 Z0 ]' W+ Y/ H( o5 a1 R
ifelse(other turtles-here != nobody)[
+ r7 j& c8 R/ _* g4 |, j, ^
* m+ c$ ?6 P1 z8 G6 t! D+ R! j! ~$ kset customer one-of other turtles-here
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;; set [customer] of customer myself8 H3 K' M ?" X, y# p8 N* S R
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set [trade-record-one] of self item (([who] of customer) - 1)) s; b/ m: k8 ], L
[trade-record-all]of self9 T" V2 a5 U- }: b X8 [
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)$ z. T# j1 J J5 n8 G! \7 @7 c) b
[trade-record-all]of customer
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* G2 f; w" p6 b. D) Z( wset [trade-record-one-len] of self length [trade-record-one] of self
" y: L" I# z0 x+ a; f: n( C/ U5 d3 A
set trade-record-current( list (timer) (random money-upper-limit))$ Z, q) V/ |- l- L% F
, g* ?' c. M4 qask self [do-trust]
c7 y( v) K: i;;先求i对j的信任度6 u0 E; A& O' i9 Q0 P2 \8 z
' l E6 {# G9 Y, v* O" H/ T* w
if ([trust-ok] of self)4 h8 W9 ^* S+ c9 O% v
;;根据i对j的信任度来决定是否与j进行交易[( B4 q9 T5 c) |2 z5 K
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; N$ N1 z, D0 F/ B3 G
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# p3 p" x- v! P
c& ? o7 {0 i( @4 E% udo-trade
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* J" L! n7 q z! G/ oupdate-credibility-ijl1 L* y/ Q# u [8 q
9 j8 _1 l1 { I2 pupdate-credibility-list1 x( T, i* R1 i$ l) ~! R
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$ ~4 x5 n# s* ^4 r1 V, C' Rupdate-global-reputation-list
0 n3 q0 r! V, ~ ~0 |
3 P: l/ s" w) [# ]: R0 B. C6 spoll-class
?, K9 y, ^0 S+ k1 D. E
# [0 `% l# G5 |: }3 d% ]: Jget-color
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]]
+ M2 g+ Y) Z" v' H$ g2 V
, y- Y3 H: q" t/ a/ x& j;;如果所得的信任度满足条件,则进行交易
! n/ R. I2 i/ H5 Y, t+ `/ [% d: c8 f/ R5 r* b- l8 F
[( J. f G# Q3 k4 c: M6 Z' g
" x5 A- b+ ^9 o2 l7 v, J8 r9 Srt random 3603 Q* w# H$ y( E! C: K: ]1 l
; H5 _8 y* B/ K4 V1 Ffd 1$ Y- W( M" h o) \3 P7 J) X& ~' k
8 F, B3 |$ I0 V [; q# u]
1 w( k% b1 p8 q( B
: [5 q; \) [9 A( c% t9 |end# W9 m3 u% O/ t' I+ V# m7 r7 \" o- Y
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to do-trust 6 `9 _, r! Z# b* V
set trust-ok False
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7 y6 q$ F8 P- r# c- R' t- Olet max-trade-times 0! G9 |$ t, j) m) x2 |
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, [+ x/ A6 C8 Qlet max-trade-money 0
& q% s# K Y2 W; d1 l' \0 tforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], d& x+ _ R$ T
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 b+ Q+ e( t+ q% p( {
0 R: p6 i$ j9 y v* T+ D5 v$ U* Y0 J
2 W/ S0 ]9 T) [. \! ]6 kget-global-proportion
9 v: v, V6 [( L4 ~: Nlet trust-value
" C, n* o( M% }3 v- e! Q+ @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)( M: U" U0 j1 z q
if(trust-value > trade-trust-value)( E; S! _& Q: W
[set trust-ok true]
3 P/ V# w+ u0 |end9 K) ]2 Z9 o, B, H. s( U
8 i2 n# W! Z# _ D Xto get-global-proportion0 O# z7 n, ^+ A9 b) X5 H5 o3 s1 B* X) Y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 r: G$ O4 T5 @. e# c
[set global-proportion 0]
& Q2 I6 N( v. V F8 F b[let i 06 ?. g; |9 y. V+ ~# [
let sum-money 0
- c1 B9 `7 S' }9 C* Pwhile[ i < people]
0 L' r# ~ |% o; b[
! m0 ^3 Y2 p- ]if( length (item i
y8 B. s7 Y5 M0 Q* }$ J" ^9 g[trade-record-all] of customer) > 3 )0 |5 B1 @$ t5 @( `/ i$ k9 a
[& g2 w" G0 I' T, U9 d' v, {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))5 G- [/ d$ Q; e( `
]
+ U6 V+ |) m; j2 d]
8 H( `3 H( Q3 t* }! r7 n" [ ylet j 0/ @& a" L* n. H5 r0 |
let note 0
5 }! ^# S! y! w) h( s8 Hwhile[ j < people]
+ M5 P2 n( J% K4 d% S/ O( s. T[" I& U* r7 n- C- Q1 q
if( length (item i1 |& p9 a: g. I8 ~$ K7 z/ n
[trade-record-all] of customer) > 3 )
+ P2 s2 J% J. y& m/ Q# D[0 f m7 }+ D K5 J. z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: k2 |/ K) R- z& [[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' _) q3 z. [- N9 P. z[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 [) c+ @, n* P]! ~) X6 q d/ d0 T' [2 d
]+ Y( m% r& R/ {* F; }
set global-proportion note8 [2 U1 Z8 X3 e8 d8 r& A% w- d5 p
]
# F0 g/ U( h1 ?end
! o# z7 W6 @- W1 O5 ?) h$ R* b: d
" j! |& _) J: O0 Y9 E- t6 Vto do-trade2 X B4 D* X, C0 U- E4 p
;;这个过程实际上是给双方作出评价的过程: u' h( i( p! T i0 o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 u2 S/ K* o2 I% F$ k4 H( C0 p. Y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: i( o) X! s1 z/ u' w
set trade-record-current lput(timer) trade-record-current( {4 q H9 ?4 C: X* S
;;评价时间$ a. D! l% s; l$ E& ]; x
ask myself [( \4 v( U. A. X8 k* ~" _" w
update-local-reputation1 t' H R+ P0 B4 P
set trade-record-current lput([local-reputation] of myself) trade-record-current
% M6 y8 o, g/ `* Y]. x1 _, l" T$ W& M/ M4 R
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 c( j# F* O. ^ s! a, g
;;将此次交易的记录加入到trade-record-one中
! }5 h+ M1 N8 }6 Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 M& d, b. ?, T: Hlet note (item 2 trade-record-current )2 F6 G# w6 g& f f1 ^
set trade-record-current
" j9 C) ~' t+ E& r; Q+ c0 b: x(replace-item 2 trade-record-current (item 3 trade-record-current))
- ?+ Z" i( R9 B0 b( S, Z) Gset trade-record-current1 C3 V: v: w1 K6 g
(replace-item 3 trade-record-current note)
% q7 m# N$ z- ~: ], `; Z D5 Y
5 C5 `# v7 X1 K! v# i6 g6 B& a7 D* j8 j1 q
ask customer [; O& H+ [" x* \+ ~/ }6 b
update-local-reputation
: K0 w) V0 \1 X& [0 m/ Sset trade-record-current
& p- }5 k$ | r) M6 _(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - Q B, H n: I8 l3 T4 |+ R
]
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% O, Z; _# o6 G, A6 P
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% E S* F2 Q5 |$ k9 m1 {8 h, q
0 G- Y0 q4 O- p7 N+ z. {set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 c- O+ g2 {! k5 A5 |4 d
;;将此次交易的记录加入到customer的trade-record-all中
2 [6 F. _$ x% E! mend5 [5 @# B% ]9 B$ `: q3 i
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to update-local-reputation
% B. |) R: j! p* Iset [trade-record-one-len] of myself length [trade-record-one] of myself- w* y; P/ [+ l. W
* I$ L {* c! p b8 M Y1 V
( }9 }# S) Q5 i; f% g" f$ ^ \& c
;;if [trade-record-one-len] of myself > 3 , z: a/ S" C9 P! o
update-neighbor-total
* c; U% c2 w$ e+ c;;更新邻居节点的数目,在此进行
- d6 ?1 c" }% U" l4 R0 w- qlet i 3
; c7 J3 a3 P. u, Ylet sum-time 0
% N' \- d) k, u% }while[i < [trade-record-one-len] of myself]
6 B$ z$ p$ M+ F; a5 M8 ^+ z[: K) [% g C/ ?; \+ u4 T
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) q- ^, ~3 T2 [
set i
- ]: a3 l( q' h: ?3 q9 }8 S+ X! f, \( i + 1)9 w$ v4 f# E6 N, b0 D i! F
]
/ ^4 Z+ z* U2 J* s$ k( ~let j 3
/ R; w/ ?" [. plet sum-money 0
% m6 \: Y# Y0 t7 @while[j < [trade-record-one-len] of myself]: ^: u, f$ G8 i- [9 v9 f
[. a% Y/ ~; u3 V, X8 \, {
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)
' f& d5 w( t, o0 e- sset j
! T( Y* U/ N3 ~: F5 _( j + 1)
' _5 L9 v& l, M+ b( ^]
- Z7 z- J4 h) _" d& Clet k 39 f3 f) x3 E1 K6 ~
let power 0
# i+ [3 e! _# `3 ~/ Slet local 0 L2 d! z$ S! B
while [k <[trade-record-one-len] of myself]
; ^* D; r1 \( E" u& ^[
' Y: ^* b3 R3 i% N! r3 [# c! ~* bset 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) 4 e' i7 z6 _) \& m6 ]
set k (k + 1)
& f" Q- z6 b5 D$ h( K]
+ a3 y9 \/ Q: M6 X, ]9 v5 J/ i; lset [local-reputation] of myself (local)
- D' Z$ \$ P" M5 D5 lend% C3 x0 @- n. S0 q/ `
4 C0 J5 g; ]) d5 c3 m
to update-neighbor-total _( B: x: Q0 |7 K8 H; z& d* l! ^
0 z/ n! B% r, U+ V9 r+ Qif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 }+ p5 L9 M' \% q
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end
W; b5 v0 b' C5 `) G- @
2 t1 F* _- ]$ g; yto update-credibility-ijl & K2 g+ F6 c. E7 Y
- [8 Z3 O. J. H( Y;;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。5 ]' q' w; v9 d8 A0 b
let l 0! M3 s5 D9 l4 N! b) s6 M# I
while[ l < people ]' X6 O. Z0 B( `: y3 B
;;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& b, o# `$ K% a/ N, c6 ~
[
; y: }, X( t7 h% z: x0 h9 Dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ p2 Q/ C, H* k5 b& ]9 B2 n1 r
if (trade-record-one-j-l-len > 3)" y/ V C6 U/ {/ s. }& z) Q* k+ {4 y
[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
+ R; w0 m4 T2 U! ^let i 3& ?/ Q6 z& s6 n
let sum-time 0/ f: V/ ]9 s# ]' Y6 H* r6 y( ?* J
while[i < trade-record-one-len], Y6 f/ t; ~8 t9 l
[
8 d5 [% L) c# Q2 g- ?. v7 _# xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 v' ]2 Y% r. tset i, |0 v+ n: F+ v+ ~
( i + 1)& T" g- L( k* Q
]
/ {' j$ e4 T; G) R' z% @3 b. B! }let credibility-i-j-l 07 k, A9 Q8 A- b# i. k
;;i评价(j对jl的评价)
: V' e* B0 [/ D" ]3 blet j 3
& H- |& ~ U" V' ]5 Q3 wlet k 4
# h% f% [8 @3 {4 U; K1 M1 X. wwhile[j < trade-record-one-len]! V; w8 q- i/ p
[+ Z! z! X: ?3 w* A7 I
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
5 N; Q, q9 I, 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)
9 L* ^' j3 x3 h/ j% [set j1 C# p. W( I2 Q: u4 @6 q! ^7 R5 v
( j + 1)
4 _! I% A0 N' l. [3 K0 A* Z) q/ V]
' _% u8 P' g/ ^8 k8 o9 Sset [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 ))
/ I, P' y' f3 \- N: j5 H! r/ P) X( C8 `9 E3 q5 e; l
$ B; G+ g4 _5 K# \$ S
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' v1 V5 I! i2 D+ [; y7 A1 Z
;;及时更新i对l的评价质量的评价: H# ?5 ~& ]5 H5 D# ^
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# q3 `9 C5 G/ R4 gset l (l + 1)" z' n7 E- {5 O$ V: B
]8 x0 V# d0 l! x, I8 p( p
end
) q( E( ~: I; ?- N
' q, e6 Q1 f& i, rto update-credibility-list
* C6 k+ ^( C0 o! l7 zlet i 0% U6 O7 g! H2 u1 w3 }
while[i < people] c. L5 o( q4 P: j
[
& N$ q O# }9 {( v0 z6 {let j 0
- g! j8 x0 h' O$ hlet note 0
% X3 f0 F: z, ^$ ~( W* ?let k 0
9 c' c9 C! z& Z# f& q5 S2 v;;计作出过评价的邻居节点的数目
; U( ]/ n4 T5 ~- I) Owhile[j < people]8 s, |7 T c! Y
[, |, E$ |% Q" l5 y; q& n Q" b/ L
if (item j( [credibility] of turtle (i + 1)) != -1)
+ C0 ]$ P' p" q0 l' d+ F;;判断是否给本turtle的评价质量做出过评价的节点
& `, B) S. T) X& O6 T, }[set note (note + item j ([credibility]of turtle (i + 1)))2 _; z- {) u' W6 a
;;*(exp (-(people - 2)))/(people - 2))]
. z/ p4 Z) ]; T# m4 Jset k (k + 1)9 y) q, A* l' N! o
]
8 {3 D+ S* C1 B8 j Sset j (j + 1)
2 A8 o' o: N: M]
* [* G: {% o% [! D4 c8 i: f" D: @# Vset note (note *(exp (- (1 / k)))/ k)
" B. @" R+ g7 P7 g6 I8 T3 `set credibility-list (replace-item i credibility-list note)
/ k# V. [* M1 Aset i (i + 1)
( a$ S4 n) b, u]" D$ P' [0 E% v4 ^7 S
end
- X$ g. y# K. [0 v1 e& ^! U: d# y2 C7 N3 R' W5 t" ]: M
to update-global-reputation-list
! D$ [- W% Q& W4 mlet j 0) m& Z6 L, {/ T
while[j < people]8 Y7 o2 j' p/ E, H7 y
[
" u* W- L- j! ~let new 0
. F6 j9 V: X8 k;;暂存新的一个全局声誉
5 ~( f' u, m% @% f" d: h$ ]6 Ilet i 0
! S9 {. U/ w; i, `% e1 T5 Zlet sum-money 0
) z2 w4 H" P$ ylet credibility-money 0
/ C2 k) R7 f9 o9 Rwhile [i < people]" U8 W6 u; I1 c/ a) `9 M
[- ?; U Y0 X2 I4 v0 V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 K8 U% {$ a6 I6 h% Z4 q1 ~set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 I0 \4 ~0 h& R1 B- B' aset i (i + 1)- Q, j b2 L# `1 T
]
6 n# N& N* c1 d$ tlet k 07 x) |( R# I& d( K
let new1 0
% w% P, p. M, i8 T+ b( ?9 owhile [k < people]
3 r; ]& z/ x' o3 j[2 B" h0 b6 f! A+ w
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)
6 P, {4 A3 Y$ b+ kset k (k + 1)% W% T# l. g R9 Z. S$ g
]
- W4 x5 a& ?9 ?. Z" x C( E" vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
" }: x) x- k7 E! R7 Sset global-reputation-list (replace-item j global-reputation-list new)
# p' J1 l, K) k* h3 ?( E2 N* H7 K; Qset j (j + 1)
0 r0 M4 o& J H: ~0 A# D" B4 K]) T ?2 ~1 v6 |3 u1 M' O
end6 {# l; ]& M0 i, m
8 k7 M2 x0 V+ h2 ]3 \8 e( T
0 Z0 E9 `# J' h3 V6 W) t1 Q& f: r h2 W
to get-color
$ u& p' l" w' ^' _' e2 g! {1 T$ ~6 J1 H$ d5 W
set color blue
1 ]/ g' y3 m6 X4 jend
3 I' G- {/ ^' q0 H; ~
8 m E9 T$ J1 @2 h: ^1 K$ J& [$ t+ yto poll-class
* p& K: d2 ~: ?" c& d1 oend [5 b4 n5 r6 n2 [5 ]* d: l
% ~! Z5 @8 Q, e n- D( F# v$ Jto setup-plot1
6 P) ? {7 Q4 u0 `6 m! k$ Y$ y
+ Q H/ v0 q1 k9 S( h' u" T/ Jset-current-plot "Trends-of-Local-reputation"
+ D# H7 k' n8 O9 ?5 J* F# b% U1 L" f6 X* @) t6 c I
set-plot-x-range 0 xmax9 b# k1 R4 r3 j! t1 Q8 z/ Q# a, g
& A& ]/ |8 X! M) ~2 W2 K& ^1 E
set-plot-y-range 0.0 ymax2 h% R: \/ d* r$ }1 z
end
. o* X# M5 @! X+ r* z5 ], K- T5 w" O9 b. ]% \* N) `0 \
to setup-plot2- B, G$ w+ |1 B, N4 _! C
( ?+ r3 H3 M3 t) ?, e* Yset-current-plot "Trends-of-global-reputation": ?1 \/ H6 o1 c' k3 l% {. `" D
. G& _6 u3 `* D. t# U: oset-plot-x-range 0 xmax2 u9 i- N% |$ i& a7 y3 Z
9 T6 w1 D4 d8 m3 Rset-plot-y-range 0.0 ymax
6 j: l( V% g1 g. Y$ M6 send
( ]: F% P' I; h6 A
0 a! ^+ x+ Y- K& b! [3 Q# o, w( N, gto setup-plot3+ \& h4 } E) [' r% f
^5 y+ N8 S$ j- o$ k9 _
set-current-plot "Trends-of-credibility" P. E* A6 }' |) _
! ~! e6 g+ A5 N+ w* h; v6 s
set-plot-x-range 0 xmax
* U3 A" C% B1 O3 L+ |6 `: ~' K" x- e9 S3 {
set-plot-y-range 0.0 ymax* l4 p4 R8 f: l$ h! \
end+ G+ K8 |7 n$ ^+ y, d4 h
) C* A1 ]9 X x% I9 Uto do-plots7 x' {! \3 R/ b( z* y0 Q, X
set-current-plot "Trends-of-Local-reputation"9 w4 l2 `$ ]& Z/ j
set-current-plot-pen "Honest service" V2 t1 ]7 w% u0 S k$ y& _
end
- L! d* T o) }7 v; I S% f1 m/ p/ z0 ]" p1 K2 b$ b
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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