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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" f. w3 {7 C" R; |: }' [- g# A
globals[9 \& X& e5 f$ d. N
xmax
3 p1 h1 V8 E# C% Aymax$ d7 i! g- U. e/ U# l* z
global-reputation-list, K2 \8 q3 A3 [! t/ |
" r9 E$ T; \7 F
;;每一个turtle的全局声誉都存在此LIST中" r8 O! L4 ?" w S3 z9 ?7 v
credibility-list3 u9 F+ R! v, `/ ^) M: w
;;每一个turtle的评价可信度
" U6 j5 i8 _, I7 O/ C& yhonest-service
( o8 N- S2 F) K4 r5 r, X/ G$ @; yunhonest-service
- u+ O9 Z; f- S! A! xoscillation9 Y M' }/ c# T4 L/ f8 l2 R- H+ A
rand-dynamic& Z! n% l# b1 c$ h% |/ |
]
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turtles-own[
2 z5 d9 Y% N% q H3 V; `trade-record-all$ u( S: |& Z/ m [; P: Q$ h
;;a list of lists,由trade-record-one组成
! g" R4 \# z$ n' n- h! wtrade-record-one
9 \4 J' r4 |5 Q: b& p; d4 v;;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 @9 ~! C. q. a0 }" I/ [. Q) [& m* H
;;[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]]% G) {, b7 {: @ v: K# p/ O. a: Y
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]* l6 p+ c, d" q7 \" }* X
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
. b& q% D* o- A5 Sneighbor-total
, j! x4 y& a% U; n;;记录该turtle的邻居节点的数目( g% t$ }/ a: p' E$ B( B% e; C
trade-time
Y7 W- H5 d3 Z;;当前发生交易的turtle的交易时间
8 x8 s0 p7 c" E* j* \% |appraise-give! p9 N2 r: O$ q1 m3 }* M6 j
;;当前发生交易时给出的评价 }! y! b. ~. o' G
appraise-receive
; ]5 j0 K4 N# y;;当前发生交易时收到的评价! h+ d, F" o9 r9 R8 h+ G2 s+ @% ]
appraise-time* `- x n/ J7 n* V
;;当前发生交易时的评价时间2 v0 G1 @0 J2 F& z& l
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
- E( _9 Y7 P: a2 T6 K. Z( N1 ]( rtrade-times-total
% X: R. Y" `3 E- }9 n;;与当前turtle的交易总次数
& Q1 i6 [& C1 p& C( `9 Ltrade-money-total2 q2 a! n( M# o1 v$ D7 j
;;与当前turtle的交易总金额! G; e0 s9 F4 t; V Y
local-reputation N- V5 d8 n6 P+ h A6 L+ g9 u/ C$ H
global-reputation( T) }2 P; Y% g, [" R V- k
credibility
$ a2 G4 G- Z- H: O;;评价可信度,每次交易后都需要更新
: X) {4 I2 p0 o. {4 Icredibility-all
- S+ r/ P0 s, V3 _$ e;;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1 Z! N# t" b m( ?6 e' E
/ P8 N5 T3 J7 i. U4 V8 k Q$ D) W;;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' h4 U/ z) K) H
credibility-one$ d# Y4 l q W" W0 G9 g! D3 l
;;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
% d4 z& Q0 ^8 j0 I' ?0 ^) ~global-proportion
( M$ R- c" W* Y y1 wcustomer2 j h( r1 h3 ]6 K& }8 A5 C+ |5 R
customer-no
" a: P- T0 \! M% T* n, Mtrust-ok3 @3 k; X# {1 d' M
trade-record-one-len;;trade-record-one的长度# n; M1 a& }# k! g, k
]) f3 \ e. ~8 M1 |0 @1 w3 y. d3 I
, ?: A; l& q/ D2 A5 M2 h N
;;setup procedure* ?) t( Q Z0 ?6 C
; z; Y5 S' u/ S+ oto setup) d8 Z L5 L& q G
/ C9 K% [0 d. {
ca
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initialize-settings; j) V1 r. N h4 I4 E( ]+ g
6 t5 ^; ^8 J2 V# _0 K2 w
crt people [setup-turtles]$ }' v) A. d4 m' x1 s
1 \- B( _9 \; e. ?6 V# K
reset-timer' L: m6 ?$ J* k# O' g
& i! H1 v( `$ t! n w& |( l7 kpoll-class
( |7 ^. H3 O' S1 f" _+ ~' j1 a' I, ~, ]7 M3 |; R* J
setup-plots; { ]- w! @5 b0 ^0 M; U0 [
5 [9 \) z4 }& ~' zdo-plots& e/ \7 f6 J7 H
end* K% y: N! u% J7 X
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to initialize-settings
9 y0 y) `, D* {& \8 a- M
( s. o/ y5 s9 H* J2 b# Sset global-reputation-list []
# l/ Y; P% R+ X) y( z% X" k* L
% y: L# g x# }* L& X* s2 Uset credibility-list n-values people [0.5]
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set honest-service 0
( G9 H, d! J# m2 p; r. _# |) l4 p6 A" D0 s w/ X7 X* X
set unhonest-service 0
w0 `1 h5 U- r+ v; ?0 N+ h4 r1 x+ c8 k3 X
set oscillation 07 m9 b; o/ q+ d
& a9 ^0 G4 Y8 ?5 J" uset rand-dynamic 01 l7 o+ L: |9 P# g# b
end
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to setup-turtles
2 `. I8 i9 ~- g3 D3 nset shape "person"/ y3 _) \' k$ {! q+ g; ]
setxy random-xcor random-ycor
* D! ]. W# q' j* l1 H1 Uset trade-record-one []" W+ d) f6 [% ~' x9 |7 @- d
8 J- o# b; P' o& y+ s: |6 z1 Pset trade-record-all n-values people [(list (? + 1) 0 0)]
( K5 i( s' X$ b6 q9 ]. }& d2 U4 W+ J# t& d2 F: g$ M
set trade-record-current []
$ U2 t# `) n, m, Rset credibility-receive []
2 E$ h2 C, p$ Qset local-reputation 0.5* a- m7 W% H* F9 _) D
set neighbor-total 0
8 m- i3 R3 D9 d7 s6 Qset trade-times-total 0$ x6 S+ U; `0 m @6 B& r& c
set trade-money-total 0
' f, J1 b' V; ]3 M& lset customer nobody
, a$ ~! _* I" C& ?7 A; uset credibility-all n-values people [creat-credibility]
, Z' S2 c7 G- y, v) h- B2 rset credibility n-values people [-1]( k1 _' e7 R* d; B
get-color8 U! U$ t, h: A* p' {; }! G
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end
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! r* s+ u! I/ |9 z! Oto-report creat-credibility" Z- \) ], E; K6 }) E0 ]/ q1 u
report n-values people [0.5]
' v0 F8 A# v8 i# V0 S3 s0 L0 _end
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to setup-plots+ W0 h+ g" b6 J$ L# l5 V% d8 B
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set xmax 30
( }9 `* ~$ z( ]' P3 S# b/ Y2 j1 |" q) v0 s% b
set ymax 1.0# b' g" S3 h. _9 [: k# x9 w4 R# h$ W
/ ^# I8 K0 Z9 i4 |
clear-all-plots1 L+ y% v: g7 L1 x4 ^% a
0 G1 n5 Z3 j, z9 k& a3 Lsetup-plot1# N1 r: B& S1 g$ w5 h2 Y5 M- `
7 h& Y# [( `0 [" M1 d% K
setup-plot2
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$ D/ _ k' w& P2 Usetup-plot3
5 Z1 Q) u5 {) |+ L3 zend, q' u0 L) h' K7 e' Q6 S
/ Y* M& \+ U; G" Z7 X5 X7 k
;;run time procedures
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to go
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4 a' e# Z0 F1 U$ l% U( M5 p5 _ask turtles [do-business]5 O4 ?& L8 y) S- A6 d. T2 m
end
0 |+ O! d$ f* r- \
* T/ R; h- Z! H$ f, b5 h0 tto do-business / _" y6 [, }. P: d( x
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5 l* I( I: [' u% C8 a' ^. z! l* B9 }
rt random 360
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fd 1/ O( X' T7 J+ g: k, `$ q) Q
. r; r0 {3 a2 i' e6 D. zifelse(other turtles-here != nobody)[
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" H* f( X& b- V3 |; k% @8 |set customer one-of other turtles-here9 k. [! |5 q+ ~' a: u/ ~8 E% w
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;; set [customer] of customer myself: L9 w, v) p2 S) p# L) @( o
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set [trade-record-one] of self item (([who] of customer) - 1), e% r6 O8 u7 y1 U
[trade-record-all]of self; R# C0 v" `1 A& M0 p+ U
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) a) H6 d% f4 Y: ]0 {
4 | w! [. Y0 {. x) o1 l9 `' Z7 }set [trade-record-one] of customer item (([who] of self) - 1)
2 T( n, D ]: T4 v1 p4 t' g. U/ o[trade-record-all]of customer7 C* j4 f8 M; E( C2 m7 Q# T
! g' [7 @) o6 q" P* a8 ]set [trade-record-one-len] of self length [trade-record-one] of self3 h0 ]0 [: U+ P; q) T
7 G' p; |2 W/ n6 @+ l- f, y
set trade-record-current( list (timer) (random money-upper-limit))& k/ o* S- o& \( p4 H2 p
6 k; Z* x5 B$ K/ l4 m* pask self [do-trust]
0 r2 ~6 l* c6 Y7 }+ X. R;;先求i对j的信任度, O2 W' ^9 Z3 }! t) |$ Y
& v; r3 w. H5 [/ {6 R4 z+ C
if ([trust-ok] of self)
$ e0 x: d) Q% b& T; |8 o8 {;;根据i对j的信任度来决定是否与j进行交易[ c8 A( T, K1 m0 y0 N* s5 n4 o3 f
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
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/ k# j5 t" F% L. W. Rdo-trade
. A, Z$ W9 }9 D, v" {! T
; ^& r$ @1 O$ i2 r$ |update-credibility-ijl9 H. n: m( Q4 Z. [7 c8 y
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update-credibility-list
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# c/ }+ G3 h; D' V, v, Dupdate-global-reputation-list
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, \0 u) S) N6 _" _7 D& apoll-class
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get-color
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3 e, v r) A9 a# B, u]]) D8 {( Y- A# y7 F, o3 D
1 r6 `9 q" Z; w& P) L2 f" Y& i;;如果所得的信任度满足条件,则进行交易- w3 p* t: Y, D' W; B' u
4 p' t) ?; Q" j
[
' i2 l! k, U; v6 \( ]2 {; x+ i
! T B- g3 E# `rt random 360$ L7 j; h( A9 \# o4 E6 x# _4 a
3 U; C: u3 \* ]! [fd 19 Y3 |8 _. J O! u5 I
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]& E( y |. z. H( d- H
5 D, L, m6 P% M( M' _end4 q( b5 ]/ ]4 E+ {7 x1 O
7 {0 D' }4 O; H: I9 zto do-trust
5 N: v: V" F# M- V+ g. Hset trust-ok False
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2 x+ F M2 M* M9 }
4 |5 ?/ e' T0 l2 ]9 n& c1 ulet max-trade-times 0
! f7 L; d) X7 U6 Q- _( Dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 I/ D2 S" q+ k
let max-trade-money 0! E4 E7 j: P- d$ \6 ?% F, \! i
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 U" p" H0 ^- n5 [let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
2 R& t7 Q e! m* a/ D, ~% \7 F/ U' K6 J4 ]5 ]: M
6 N' D+ X( F8 \# L
get-global-proportion
* I4 m" L. `" i% Hlet trust-value
3 Z& f, g+ U g, glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
- C" R3 u0 e' \; i( iif(trust-value > trade-trust-value)
- v* `! w x& X; J! y! T[set trust-ok true]5 w* s" Z5 z, Y$ V$ U5 k( j7 a
end
p, e" H3 {, @ p# Z; H& p S. V7 A3 f
to get-global-proportion
0 Y N, p7 \1 w4 f" mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: T! r% X7 _4 D9 k# X7 B7 G[set global-proportion 0]
3 J8 }0 m/ i) R- K[let i 0% P7 p) P, p# V/ l1 P, M5 L* _6 n' g
let sum-money 0
; R$ q ~8 z# E9 V$ Ewhile[ i < people]
: _- M& ]) B7 T8 n7 @7 w[8 x8 S7 e7 v# a
if( length (item i
* Z0 W, j2 M1 P* K% h[trade-record-all] of customer) > 3 )
3 C5 L, Q9 B/ `# d( Q[
7 K1 f2 @/ E4 }0 n- W; h+ Aset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( J$ B* I# _ x% i; z5 f _# _% V& D( s]
/ _1 l! t% v9 }]
' l8 A* B& l$ _4 ^: ^0 A4 vlet j 08 A" Y- @+ h2 k: x+ S3 f5 B
let note 02 J+ r( k+ m V+ h; B0 W1 u
while[ j < people]
; ~6 F6 b3 G- Z; m/ z {( M3 ^[
8 A- L0 r R5 P4 q) N- C+ Eif( length (item i
3 f" F) q+ u. O7 o) V- [[trade-record-all] of customer) > 3 )
! F7 k; f1 E6 }5 r5 F+ _[
+ I# a4 h. M" {# L0 f( r: }ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ e0 H! \5 G; e; W9 X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. X/ S0 A) L( y; c& A[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" H2 ]+ q; A/ k: D$ `9 x/ Y" }]: e' A* e5 m3 i5 p- }
]; k4 A! z7 E% l3 b
set global-proportion note
7 J7 z* x F, k1 `7 G: o% c+ S]. U/ H' A) @/ l: Q1 c2 s: M
end: m; }" e; ~/ G3 w! t
+ ?0 {: `0 e3 i ~' F3 T
to do-trade
# u/ i" M# B$ H! l;;这个过程实际上是给双方作出评价的过程
8 |& r' _1 p( N$ iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ q. _, a: B6 d. y& T/ L& O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- v( R0 A. _: F c1 w9 R5 O/ k8 h
set trade-record-current lput(timer) trade-record-current7 t8 t% J: G: ]; I- R
;;评价时间9 ^( ~$ G. _6 G
ask myself [
; H& \3 x& B2 R% i) dupdate-local-reputation
+ b" l8 ~- l1 @2 X2 Iset trade-record-current lput([local-reputation] of myself) trade-record-current. m( r' s) U- v* x0 e1 f
]# z8 ^9 r$ O Q! F; X# j
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
% B2 y) P! x2 h. _, |; s2 o;;将此次交易的记录加入到trade-record-one中8 j! v4 ?9 h0 S! H4 p0 q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ Z: b. }7 j8 Q) a$ [% |+ N
let note (item 2 trade-record-current )
' l: W- x; s+ X9 {/ U$ nset trade-record-current, P J! F% c% t4 D; O: \
(replace-item 2 trade-record-current (item 3 trade-record-current))$ B3 U/ d5 k% U# x+ D1 p
set trade-record-current
: \& m' B2 j! {2 N! U(replace-item 3 trade-record-current note). t8 V& b. K& ` {1 t5 x
7 P* W" M5 \) ?3 r# o! C( l! R
" Y2 J6 y. y0 D( r+ a+ [0 Vask customer [
4 F3 X0 Z, `1 U# \0 r2 j. y+ kupdate-local-reputation v. E+ ?7 ^, ^5 n# r% F2 s" n
set trade-record-current
0 C& q. F0 r$ m- J; k& S(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% M4 u* r7 r2 j: \]
4 o* M* p) J& F, M* k4 ?4 w! X
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 U2 v9 O( E) W/ s2 q1 X
" |0 B' V3 ], t0 eset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ ]# }$ _6 n/ S' m, F) t
;;将此次交易的记录加入到customer的trade-record-all中! i m, ~# u! \0 L: c3 Y' x) a
end m( b( f$ G/ X z% X
/ V, q; [: X2 `4 @' u
to update-local-reputation" a3 v' f, h/ e# j% W
set [trade-record-one-len] of myself length [trade-record-one] of myself
, C7 f! R) [" k# Q) O. ?" X5 t5 }! K
) n' Z) g9 o& Q: \% L$ C;;if [trade-record-one-len] of myself > 3
! C0 Z& \! _; J1 G3 aupdate-neighbor-total% a6 U. c& e0 G9 W- Z! x$ C
;;更新邻居节点的数目,在此进行 v. H$ a7 q% V' @" P, I% p" @! t
let i 30 g" L# M) |) n* x
let sum-time 0 ^! N( {7 z% g1 X. r
while[i < [trade-record-one-len] of myself]
8 ?4 u5 o7 [# q: c1 P% q, b[
2 f6 ^9 A) G: s. z; Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ T5 |- S8 l5 D; u5 ?/ `( C. a
set i, l. S6 r- }7 @' d% g; {' y% l
( i + 1)
@5 }$ ]5 j5 S! `0 @; ]' G]& }6 H. _( A) u1 _$ ] i
let j 3
9 D3 u% q4 N$ m$ B& @let sum-money 0
; H; e' I7 _: G! v% q" D9 [while[j < [trade-record-one-len] of myself]
}" ^5 v+ A f: U[( Z$ Q6 n) F8 h& k& N
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)
/ `! R) Z5 t9 z& pset j
0 n9 Y2 s% u$ ? ~( j + 1)
* [0 H' V8 o) _ f/ V( c]7 n' g8 R, ~! u2 X8 z/ \
let k 3
0 E7 D2 c2 C, g& Rlet power 0
/ H; b) R2 w0 l6 r- {9 }$ zlet local 0
3 K6 @5 O4 u ]1 mwhile [k <[trade-record-one-len] of myself]3 W/ q, P5 O, X' O3 N& Q
[6 t, `! I4 G D1 w( X; O2 I
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) 4 {4 {3 O' t' o2 c6 A9 |
set k (k + 1)
! W9 y" i$ V; k* q& i! [3 u]
" i, X$ m) \( r7 a# Hset [local-reputation] of myself (local)4 i8 ?* \; u) i' c, C7 n
end
- {8 _( l9 R/ F* H
) F4 a6 [5 l! s) tto update-neighbor-total
5 T z5 p X- y
' j0 {( f: O+ Z' c& T+ B" ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
8 y7 o- a* y* e" _+ e/ K- `% }. C! [# R! t4 `0 H
to update-credibility-ijl & @; R' O0 T- `7 U& R. h
$ o. v$ l! \9 l+ m' Y* ]$ p;;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。
& Z' ^. N. x$ X" f: o& i3 Plet l 0
+ h( f# G, e2 W9 R5 y/ |1 D0 l5 M' xwhile[ l < people ]
Y# J3 g8 q2 f& c% S;;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
0 y; T1 G9 o! l' O. c% _: P/ ^[
) i) G* M7 G& H5 y! ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) U H6 q$ a. f# Jif (trade-record-one-j-l-len > 3)
* K9 l- R* ^+ p$ A$ }2 p6 @0 h' @[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
# \5 K- R. C+ s+ s9 Q% H" a2 ylet i 3, W4 ?( C) s. `2 o2 R5 ]
let sum-time 0
- E2 V! o/ ^" s& `while[i < trade-record-one-len]3 [2 G4 [/ M. H( b' H# A
[, y2 _, o( r8 t) q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
+ }2 ~% s. I& Z3 |! oset i/ Z4 T: z: m. s
( i + 1)
9 m) L" w; A$ \2 K$ M$ h) G( `]
0 Y- n+ K# B' n% a0 blet credibility-i-j-l 0! |: v8 W" |7 b+ B, G+ b$ d
;;i评价(j对jl的评价)
7 Q: F# S: A. Blet j 3( r. `! y2 b1 x; e* P
let k 4
C+ M6 o1 x$ s r1 T, o Dwhile[j < trade-record-one-len]
2 z! f8 k) g3 Y[' }9 c4 @2 j( z% `0 R+ K7 @
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
( c5 u- ^, O% 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)! H- H. s2 h2 d3 X( q# L
set j% d+ q- z, f R: h) @ j
( j + 1) T9 c. V9 t" \# ~- k2 ^; T
]
6 ~/ C3 {! @6 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 ))
) {- C, p) e1 p# R" y9 ~- y; h- ?& R! b( e5 s' p8 v; |9 o! g
' x8 F) V1 ^* J$ I
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): n7 z4 ~( T Y3 Z0 D
;;及时更新i对l的评价质量的评价
+ M" g4 y6 q3 Y7 |: ^2 d6 y/ g8 s2 Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. }2 t9 W+ ?: i& O0 s A9 y$ s3 v
set l (l + 1). R2 P; g* T1 Q5 X$ ~$ ~
]
- y9 `& d9 f) v0 K5 ]1 Send6 |% c2 h: R5 ^9 c
& p& H9 ^6 @+ X
to update-credibility-list
6 x% _! W- d+ mlet i 0: Z% M) d Z1 s
while[i < people]
9 d) b; u7 }+ T i& {[
# V2 E! g1 |7 a+ Z! l) elet j 0
: r' _6 w; q7 B3 s1 f: [& B# ]let note 0& w& R/ B4 H( u" j
let k 0) u& ^( [$ o, z; G0 j d9 U
;;计作出过评价的邻居节点的数目
7 Q1 C9 P: F- R4 Fwhile[j < people]$ H) w1 Y. \. q# j3 V7 L
[) B1 Y$ i) e4 o$ B) t$ w
if (item j( [credibility] of turtle (i + 1)) != -1)9 i* N: [/ B/ [1 N' x
;;判断是否给本turtle的评价质量做出过评价的节点/ }% b4 S5 D2 q) d# W. R2 D
[set note (note + item j ([credibility]of turtle (i + 1)))) }+ o! ]1 j6 D \/ P; t
;;*(exp (-(people - 2)))/(people - 2))]
+ w6 M4 i5 q. B5 Yset k (k + 1)$ T% q( @% Z y _% h2 P! p
]
* m! F( y6 {% F/ M, @8 q8 [set j (j + 1)3 ]# h% T. t2 m6 j
]* A$ \3 x0 t! g0 Y0 S
set note (note *(exp (- (1 / k)))/ k)
0 p+ U4 C: q* |; J2 X! j' Q! o- Lset credibility-list (replace-item i credibility-list note)
: I6 }6 [1 \. z; m$ Y1 Sset i (i + 1)
3 ` k% Z, A& c, j" ?' M]
- g% y3 o, p, z6 Q* a' Oend
$ i' q; A4 @3 _% W' X" O" T. j9 S! U* T& ~8 \
to update-global-reputation-list6 Q" ?6 R0 J$ D1 c- }- B4 b
let j 0- E" F+ Y, B* _0 W
while[j < people]( e. X) A0 C+ G: o# v' a, y
[) }& \: a, P4 ]! A$ ?+ a E) ?% m3 w
let new 0* N6 _7 q. S; r3 q
;;暂存新的一个全局声誉
2 a, ~8 M# E- J" o U: ] ylet i 02 {1 s& a- N/ T) {: i. }% O) ]3 E1 `
let sum-money 0
5 d, T n2 N3 tlet credibility-money 08 @$ k! Y2 _& }9 D. ]
while [i < people]9 n7 x9 J. x. ~7 U
[
n6 ^- f3 d2 ?! tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 B5 `* S8 c6 `5 w
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))) ^3 T# C3 }6 K
set i (i + 1)
9 {; @2 y- R' F x]
1 B/ u$ u2 [& C7 ]" ylet k 09 O( x+ H) D5 B8 e! o! o: s
let new1 0: r+ R/ ~8 Y" U) C! e
while [k < people]
" x2 ~- U% Z; b! X x: M[
5 x6 N9 u% ]+ q/ N( X8 S; ?. hset 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 ?/ u9 E, s. K% aset k (k + 1): F o: J# ?5 ^
]
7 F$ k- h+ M2 F) ^3 t' `set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 x+ h+ h6 b& V4 @- L
set global-reputation-list (replace-item j global-reputation-list new)1 H6 p- T0 M& \# F1 L) m) I! I
set j (j + 1)4 u* x, W; W1 M1 M
]1 ^) a5 N9 t$ m& J
end
3 a& C* W" e# v4 g/ G4 K8 r% k: \8 y6 G9 `8 v; \% v
) D, D' h7 k$ k
% Z0 s E5 j* @' O% `6 E) C
to get-color: Y) y8 k3 f) q$ p2 [/ m# n$ x7 @
, m7 f5 [! d7 I0 m2 y9 G6 p
set color blue
; ?1 }3 j2 M$ b# ~( j6 y5 q0 @4 Iend8 O% c9 g+ B0 r! S$ G4 q
! {" C8 b& Q3 Q3 Gto poll-class* S" }6 f( C& v
end
9 ^& d' P. l& U( I& N4 v8 E; F& V5 ]. b4 S7 k
to setup-plot18 _' g* i! K& H" C4 |
6 |; e& w f% O$ m2 x. ?1 Bset-current-plot "Trends-of-Local-reputation"
X: R0 m; y/ r+ A. F; Y8 U, `
) o2 y2 N- F6 m0 U9 \set-plot-x-range 0 xmax/ V s# |) M. r
m3 }- L% h; m! x% O! W: {- oset-plot-y-range 0.0 ymax0 g' M5 d. ~" ? K
end2 {9 C- ?& ` n2 R
/ Y! }, l4 z+ c5 Q7 W F2 a6 tto setup-plot2' g3 S H* c' [9 E; q- O
0 ]% i& v* G/ z8 h) Z
set-current-plot "Trends-of-global-reputation"
4 D7 e8 D' ?- c( b) Y1 }' }0 @/ V# L: q$ C0 Z
set-plot-x-range 0 xmax
5 P6 L- L8 n- g6 d5 j# |& l4 o; C" c5 a! v+ o
set-plot-y-range 0.0 ymax+ G5 N" L4 o* N" e% l2 a# c
end
7 ]% o3 p- u7 f3 _6 U
$ d X4 l$ }& E& J! k/ x3 s( ]to setup-plot3, Y' H% m" @8 V" N$ D! d" ]3 l
+ _6 \9 M) r! S U7 b7 Zset-current-plot "Trends-of-credibility"" I7 q" m w; m8 e+ X
8 U/ J7 W& \! _0 s, Tset-plot-x-range 0 xmax$ B3 a0 e' v+ |1 b* Q' i9 n
0 v3 P7 V6 P7 m( G
set-plot-y-range 0.0 ymax( z: P( s$ x7 R, W8 B
end
6 L* C; _: B; n& G6 X1 k k% t. T
2 @. f6 [9 I0 v" L, _- X5 h: ito do-plots
/ a' w0 J9 J+ i+ K0 h- wset-current-plot "Trends-of-Local-reputation"
& h6 f! J0 ?% J K& A; wset-current-plot-pen "Honest service"
: e: x9 m) w, L( N7 m" t! qend. w4 |4 P' y' ?' L1 W2 P
4 Z- d n% m7 L" l6 w) C* ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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