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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
* _7 @9 N, J# ^" L( yglobals[) g e, q( c7 S/ o( Z
xmax( t) v) W+ q, C9 u: U7 r9 a. z
ymax
% l! Q3 H1 _, t% z: C, Qglobal-reputation-list1 t7 G' g. x( ~4 X5 s
9 B4 [6 r) g/ |2 C& o;;每一个turtle的全局声誉都存在此LIST中
/ t! g" S0 r) ^" i! |credibility-list- a' c' v& K9 ]8 @# G$ B+ O0 J) l
;;每一个turtle的评价可信度" q' y" C1 t6 z" ^: y% }. Z
honest-service- a. j# f1 X5 ~3 b
unhonest-service
$ W7 k, d1 L3 y% [9 T' B6 Qoscillation
2 G I0 y+ Q, k! f$ [! d4 d. Frand-dynamic
]1 \1 b6 {; p3 d, E, ]+ x7 b]
* M/ ~, ~* y4 K5 Z5 C) r, @( H* C/ B; u/ Y/ y
turtles-own[2 K, w, `2 _) Q: N, V8 \
trade-record-all4 b8 I8 i5 _/ P2 h6 W' h$ W
;;a list of lists,由trade-record-one组成
0 @3 y9 @( p( P; X! Utrade-record-one6 Y7 w$ ?* W% {2 ~
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; s2 l) @! Y7 Q: G; {
! `7 b/ y: v+ P2 x( N;;[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]]
: b3 v& u/ v+ ^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]
* h [' l5 \% N: q& U: s& F; Ycredibility-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. r+ v6 X8 b. N( I' D
neighbor-total
+ v0 g8 B' T, t& f, t7 m- E;;记录该turtle的邻居节点的数目
6 \) m& r( u# o% G/ t# Ktrade-time
/ d) ^' p( y- J8 @1 b;;当前发生交易的turtle的交易时间/ l( s5 {4 ~: U2 X; L! d! K1 w; b! n- y
appraise-give7 M+ K# _% Q$ k6 s( N/ T
;;当前发生交易时给出的评价2 h7 [- P8 V$ P. h1 ~( O5 A
appraise-receive
. p' }7 R6 s" Q4 _4 W% X! h;;当前发生交易时收到的评价1 _1 y! \& I* N& }+ \
appraise-time
/ L* H& b# r3 n( O. x# H;;当前发生交易时的评价时间1 z8 v# }; B: h+ Z, g5 [( w$ E l* i
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% C% Y; i# t' L; E7 l& R$ P6 }trade-times-total
; J/ J) y8 S' y) [6 \2 Q+ L+ d; c4 w;;与当前turtle的交易总次数
. M& ~2 ~; z/ {, `* v. H* M1 mtrade-money-total
$ ] n( i1 g7 a7 t& w;;与当前turtle的交易总金额: b& |' R, e4 _$ ~4 E! r
local-reputation
0 y) y0 b% ~& o. l6 rglobal-reputation
W: |3 ~/ K E4 Z+ T5 dcredibility
4 X/ U, N0 i1 M( F. t4 I( ~8 m8 r;;评价可信度,每次交易后都需要更新
/ f) Z C' q; W) c- z, s" xcredibility-all O5 e% S; j4 e7 `8 b! y. l1 R5 c
;;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; C7 @( S% S) [1 C
& ?5 K3 |# F' U/ |) 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 V2 a/ f( v7 X. j6 \# {
credibility-one2 ]8 A3 G# z: Q. x2 S1 B8 `" H# a
;;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6 _$ X s$ @2 {3 w" P
global-proportion2 H4 Z! l) E \
customer/ w+ Y. ]! a. f7 E
customer-no: I% i# N7 c6 H9 b" V
trust-ok, O0 X6 t. V+ X) i
trade-record-one-len;;trade-record-one的长度
1 b# f; K d3 J]4 ~; v+ h5 `- ^* b
# @' Y r# E& _" h' y;;setup procedure- K$ _3 u% t8 p( o, E( J( k l
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to setup
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ca
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initialize-settings
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crt people [setup-turtles]
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reset-timer
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poll-class: D2 r( o. U/ F+ {+ f7 g6 I5 q
# k; ~% J" B$ {# y$ |; G C
setup-plots4 H2 P' d: _, x6 c
9 m! Z& l8 G" H; N( m
do-plots- W; V6 B6 W Y% L
end
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to initialize-settings
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set global-reputation-list []
4 [0 E% ?% f, }9 j+ n/ M8 b
- ^7 a; I6 J$ jset credibility-list n-values people [0.5]
9 C R t1 T& i0 V+ m; x
& K; _9 z& y; w9 F, q& l ]set honest-service 0$ }$ E# _% F' X' {; E# Q
" i7 q0 n" s* m- p8 I2 x" Gset unhonest-service 0) \, x, f9 m5 V! e. j# F& |
5 n6 q: f. n6 Jset oscillation 01 D* p1 j( k+ h7 [* y
: e" B. a W; s$ ?
set rand-dynamic 0' O* ?- V0 }& A# O2 p# g
end# i# f$ ]9 u8 h* a, T
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to setup-turtles
9 x, F. ~; _4 b! w+ ]' w0 Kset shape "person"8 G5 z% ^8 b X t6 g
setxy random-xcor random-ycor7 o/ U1 X" y; D) q
set trade-record-one []" J* Y7 h, Y- k1 |: Q, J
1 E/ J7 i6 l# u8 F: s8 u) i! W* Fset trade-record-all n-values people [(list (? + 1) 0 0)]
# i5 m' Y# z& g& O! n c' q' n0 @1 l" u7 t
set trade-record-current []6 U& X1 e2 y" E
set credibility-receive []
& K0 M/ d1 V2 e, {" u( M# v0 yset local-reputation 0.5. y4 v9 C5 [4 L' {9 y6 ?, T
set neighbor-total 05 i- w! |- \' a1 @" i
set trade-times-total 0
7 t* }3 W- \ Bset trade-money-total 0
+ F _2 j7 o( I* g3 A7 Vset customer nobody, T. ~# {% f% R" O7 T- [
set credibility-all n-values people [creat-credibility]
: K5 c, u( p- n' Q3 Jset credibility n-values people [-1]
' x' O. B( }% g8 A* T- g4 aget-color& r7 w# d3 r5 l' L: y( i4 V
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end
, V0 v3 J. x) H8 s
7 n9 j9 `! p. U# f* v' oto-report creat-credibility% Z7 P0 Z# O. t
report n-values people [0.5]7 O/ m9 @6 a' Y
end
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to setup-plots6 _3 i6 Q/ e z6 l
5 x" d# _# Y' U+ r, A3 k
set xmax 30
+ N) S) q7 K3 n/ Y2 i: z& U: d ~+ b
set ymax 1.0/ W5 a$ d5 P) ~
1 o2 K0 V S$ `7 X; H5 F, x
clear-all-plots6 q1 L6 x5 `: n9 f
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setup-plot1( g0 T x" L; E3 Q& v7 f
# d* B* _! A+ T0 v
setup-plot2 W8 \ j5 ~ u
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setup-plot30 p2 W& P: ?; u# x
end
" [7 N8 D: y2 G; \( M8 [1 ~/ I5 t7 ]" W: J- ~
;;run time procedures3 j* ?" W4 F1 p& ?
8 ^! e9 s1 |% k7 s8 H _$ _to go
# N! a! [0 @# c' |9 @) Q0 H' ]+ e- a G# Z5 P$ I
ask turtles [do-business]
; N5 x Z! [: ~' {' Q4 B+ Aend* C6 r9 I3 X$ C n8 e9 K: h
/ B& M( m# I1 oto do-business $ {, {5 ]' C; R! y9 M/ M# f
- d2 x1 O! G6 n# ?5 s/ _3 }! c# S
! @+ [. |$ H4 a* r; c9 M: N( wrt random 360
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fd 1 \9 c$ |# G0 D0 b' I
# M- V: i7 P6 c3 L
ifelse(other turtles-here != nobody)[8 z' }1 l( s, s6 F* X0 h! K/ [
; \8 s. R4 r1 a0 H1 a4 W5 [
set customer one-of other turtles-here4 v8 V6 c+ v- P, Z" D) y1 t h
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;; set [customer] of customer myself' I% T( _& @( U: j6 t$ t: o
$ l7 V( t' p1 \6 D eset [trade-record-one] of self item (([who] of customer) - 1)* T- u! I8 M0 x3 D0 A
[trade-record-all]of self
/ D- q9 d' G/ Y3 H;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ E) S1 o* @5 N; R6 j5 v/ Y) n9 O& R
' I. D: u! @5 ^* l3 `% T" t( D5 M$ c4 [set [trade-record-one] of customer item (([who] of self) - 1)
* {- [( o f$ @$ G[trade-record-all]of customer7 d! P/ h4 [7 m5 S8 V
1 h+ f v& Y' g# Q
set [trade-record-one-len] of self length [trade-record-one] of self4 k+ G% P/ P3 E$ J2 V
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set trade-record-current( list (timer) (random money-upper-limit)), ?7 a8 _$ Y/ {4 k
) G- B1 A' b/ D$ H& {ask self [do-trust]
3 z7 J4 f+ j p4 K* p/ p5 f;;先求i对j的信任度
- c9 A1 i/ L% S% l/ A% w- s& }$ ?
if ([trust-ok] of self)
+ f/ K `: L! U;;根据i对j的信任度来决定是否与j进行交易[& ?3 w/ ~: Y# D3 j
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[% Q2 ?+ V4 n& ]4 e1 O
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do-trade
1 h6 u3 W. L: t3 |+ w3 w0 }# Y9 a4 H2 ]% ?
update-credibility-ijl
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update-credibility-list
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4 d+ p$ \" x# R4 U, Yupdate-global-reputation-list
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$ g* K4 S" |, i7 W9 Npoll-class$ J8 A$ ]. t2 }4 P; q
- @% U' H( S0 ^5 o* @' H& p
get-color3 E7 A/ f$ s. `2 R
0 y+ F5 u0 \" u" S]]
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;;如果所得的信任度满足条件,则进行交易' K" y/ X2 s$ I" G. B6 g
/ C$ e9 ^$ O1 c6 d
[
' [9 z8 L' j% G& w N
- G ]2 E) h8 i! P/ s$ J/ \rt random 360
' X K: p, _7 p6 h& F6 ?
( T- s' S* L+ C1 T6 Zfd 1
, b- w# R/ A& [; |+ Q8 i! u7 B5 `2 t: o4 _& T" y3 D; |
]. w4 `# m4 G f+ M
9 ]( L& w* {! k1 c/ xend
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U7 s) M- G" v) R; e0 I" Eto do-trust ( {4 [9 @4 B1 Z" ]
set trust-ok False" @8 D4 d5 |+ Z' F4 E) l2 E5 M
q* q7 r# z1 m1 p
& ]$ [8 G) H/ l6 V3 H; ylet max-trade-times 0
3 i. `+ g4 u" l0 Q3 G8 ^foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% `) w- S0 u$ Nlet max-trade-money 0
# _1 j& z2 r0 |! |$ C& b1 R. Hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]; @( N" P( V" w8 D, s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))( Q7 }( ]% X' [( `
' ? O4 B: u( K
z0 ^4 C& L8 F) T
get-global-proportion1 a5 f4 l+ a9 K" m) z" Q- {- Q* K
let trust-value# E! g, }. p1 n& D8 L% s: A
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)
8 t C1 G; Q) R4 @ @if(trust-value > trade-trust-value)
: q4 v+ a5 C2 S" F. ]$ A+ c[set trust-ok true]
" q" [% ?. j2 X, p8 ~end% F9 K& u5 u+ l
3 D' f( H; s: F* L- a5 K
to get-global-proportion7 J- s4 e2 E( v3 \; T9 Y* s
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 H9 e- K- z( Z' ]& v+ e" k+ d
[set global-proportion 0]
/ y8 }: z# ]7 ~" S[let i 0+ Z& N: c+ f9 a0 u1 w g x. Y/ @
let sum-money 0# e$ H3 N7 @, P/ L+ L
while[ i < people]
: P3 ^/ G6 W# t: A[
! C0 o" z7 R$ k: u* Wif( length (item i; j% C+ W% g B" [4 d
[trade-record-all] of customer) > 3 )
1 J2 F1 D" H1 B- J$ ^[
5 i0 ^& k9 |2 M9 R2 Qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))* P0 J' ~: y6 `% c$ ]; v( `
]% [/ Q4 t1 @3 X1 M
]
" i' `5 I( ~$ ?1 o0 |# Zlet j 0+ j9 F& c, L. H( ^- C
let note 0* g; U0 h* u1 E5 T9 J: S) @6 S
while[ j < people]8 s. o; y! D" L1 B/ s9 f& r
[6 Q% J* f- t* g7 f
if( length (item i
9 ^% a3 O; ~7 r F) b. j- C. g$ W- c% F[trade-record-all] of customer) > 3 )
, |; ?6 J) o1 |[
3 j3 W1 Z% Z8 @. Aifelse(item ([who]of myself - 1) [credibility] of turtle j != -1), {) b% N1 I: \* e8 s+ z7 {
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 s8 x/ p1 L' b- B[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! h' S2 v* T0 N( q]
3 F7 a7 o; _. z7 k* k! z]
6 J9 @7 q2 u# Yset global-proportion note- A0 }1 |2 F& o
]" ]1 M: }5 c* C8 `" N2 t. `' j
end
( ^* Z/ x8 J( q* p
, b6 m: |0 Q" k, |5 Z) ^/ Xto do-trade
; e$ I$ _4 x7 e. G;;这个过程实际上是给双方作出评价的过程$ @7 [' y( c4 X+ M5 M8 C- ]$ q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 v3 C8 {! r3 E. {$ {: M( [+ I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 Q5 n6 W; [1 r* Q! P
set trade-record-current lput(timer) trade-record-current
) ~& N2 E7 |3 Y6 o- w5 D4 g* \;;评价时间8 G; k7 N1 `$ _8 B k# S/ E- J
ask myself [
. z( @& c' i; g" \! gupdate-local-reputation
# [. t0 r- V, jset trade-record-current lput([local-reputation] of myself) trade-record-current
" K/ T4 c, g/ E s+ V* d% _6 A]
6 U$ V8 h& Z- o% `2 q# n& Eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 h# h4 @- }, l5 `;;将此次交易的记录加入到trade-record-one中
" d- B- B& ]6 mset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- N: b+ V- N6 K' z7 O0 H. T
let note (item 2 trade-record-current )
/ l. h; c* W cset trade-record-current) Z! T9 C& W# L& }2 }# R' a4 P1 g! O6 F
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ B6 M) t0 g7 x: h. Iset trade-record-current) N5 F$ c! F+ l0 B/ e
(replace-item 3 trade-record-current note)8 \# d7 [9 D) O) b6 m8 U6 _$ t
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3 F. P# D2 `- f4 [ask customer [% r/ v( X" W5 ^5 y
update-local-reputation
( Y; x& W+ q* S7 \& ~set trade-record-current
) ~! I& i* @6 Y" h(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 A1 ]" {) ^* o" l! M2 ]]
9 V8 { q* m# T1 E# l# N% O5 ?
! z5 }9 K. Y Z2 C* k2 c& H) b8 o# }. C( y3 |( N, I3 y( z6 r
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 k# `: o* L D) M
$ x2 r5 C) U; Q; H* Q" X2 Pset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 N: j5 p4 H* r/ V- V;;将此次交易的记录加入到customer的trade-record-all中
Y) `% N1 |( W% w A' s8 U9 Gend
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% o' g" g: V1 J( ~: J! `to update-local-reputation
" M% o+ J$ y% I3 S# `# ~2 l9 {set [trade-record-one-len] of myself length [trade-record-one] of myself
8 b5 Q: M' h q2 F" W& p6 v
* [1 o/ T8 I& {9 j* k I, K/ {. |! z/ S* p
;;if [trade-record-one-len] of myself > 3 : ]# e1 l. I% l* o5 |
update-neighbor-total8 D5 R/ o; b3 H: T
;;更新邻居节点的数目,在此进行
$ W+ F4 {' H% ]. Hlet i 3
- s# b3 _2 n# q! O. t+ Q( glet sum-time 0, T% x$ |' C4 K0 R) Z+ O6 ?9 F/ [
while[i < [trade-record-one-len] of myself]6 i$ q+ m2 D: ~! B. ? R/ X! F2 Q
[
3 q6 L% f$ q5 D- X/ Fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
* ?- W: a3 q" Z$ p) N5 I* xset i
2 w1 z* ~- N% z% I5 u+ q( i + 1)( [" w6 L/ |8 J& Z
]1 [- ]: _+ {+ }8 H$ \1 n: ?
let j 3
3 f0 P8 U, U6 w: V9 L% V# @let sum-money 0* p; g3 R0 b; Z# F
while[j < [trade-record-one-len] of myself]
" T* s, ]( Z: l9 {6 W6 A' ]2 Q/ N: d[9 i/ Z0 t% w* n k& i6 D( M
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)
( E/ Y. d( w4 f: u) [, {/ ]set j" {3 f$ r: R/ X7 m- G& n
( j + 1)
5 ^: I9 o: Q, C]. m; R. |2 @# ?7 P: X0 {
let k 3
2 y+ z; H2 u8 }, Zlet power 0+ v: `# U! B8 U
let local 0% f: a c) Q f
while [k <[trade-record-one-len] of myself]7 J4 E( `1 q( a' c
[
9 y" A- m! S" k' Q3 Y3 B* t7 Aset 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)
! a; m6 g7 Y; w! }. Xset k (k + 1)
2 z9 [0 y. S; I- K0 V]
' K8 W8 W. C% h3 eset [local-reputation] of myself (local)( N. z' h0 K) Z* w4 |" ^, Z
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) ]8 s. Q, Y7 o$ h/ l
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end/ ^ T5 }* k: Z
2 }8 s( m% m$ d" W
to update-credibility-ijl - }1 p F" G, C
+ k8 L$ g* u! H" Z9 ?
;;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。
& _$ y; ]' O8 ?4 U& ~& @8 flet l 01 K7 A" f) B$ W- g% K
while[ l < people ]
8 `) D! n5 ]: x# d5 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* @+ B4 c* \; h- V
[
0 U3 ^: Z. }5 t/ d1 ^( G7 nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ n3 G$ v+ d- l0 ^if (trade-record-one-j-l-len > 3)4 J) m4 P+ q& s4 I0 Z) G; V7 _
[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
N9 G8 h. S( p1 I) rlet i 3
& `8 g' D* m1 w- C- elet sum-time 0
3 Z k+ C( ~) @% s- }/ o0 a3 Vwhile[i < trade-record-one-len]" Z. B: a: z' ^9 N! |) E, q+ Q
[/ x( S+ h1 r0 p9 _
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! F' d' w- E. h" t9 Tset i
4 U& T' L' W3 h0 |( i + 1)6 L. J" x9 H7 E8 V" z
]
% F) Y+ n! c7 r( W" a2 ?" u! Y4 [let credibility-i-j-l 0
4 h; ^3 O' u: j8 O;;i评价(j对jl的评价)/ w% \9 h) i/ z6 w5 F
let j 3
4 ]/ F+ }! i# L* I9 T) k: ]let k 4- L% m! d0 c% b+ x% |# M
while[j < trade-record-one-len]
/ T7 \ ?( `$ \4 l6 f[
t" @7 u) k# i) J1 {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
. e+ {. r' W* e/ M! l. X' Pset 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)
% ?4 a/ Z% C2 |. Jset j! U" R8 d \+ Y; ^
( j + 1)' z: H3 Z) _; i) E$ C
]
) Z4 q1 z5 W: n1 y6 Eset [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 ))
7 X C! `. K1 n( y/ P
! c5 j9 I. n# p- K' H; i4 `4 p
# N/ }% G ?; {" W# s7 }" ^- jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
7 g; e6 K0 i% k1 @2 N;;及时更新i对l的评价质量的评价 R) v+ b( s, m0 D
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) H# S* d* ?9 t4 P e- o& B; r5 A
set l (l + 1)6 c& P$ s( A+ d: K$ t
]: D" A/ v. d6 U. K E6 {
end5 ]6 L# ~* O4 a, w4 b1 \0 d9 T
( r5 W p! a+ U8 F1 k2 P. V+ G
to update-credibility-list
$ e. `. w) H8 y! {let i 0
3 z Q; C& C1 r: ?' e% jwhile[i < people]$ g: G# a) o: O' N |" _
[
! F3 y1 B! ]* J% d$ k$ Ulet j 0
/ b& e% g* v( [3 clet note 0! S0 l7 s D! H3 k
let k 0% j q! G+ f9 B! m R
;;计作出过评价的邻居节点的数目 Y$ o6 a; p/ t$ p3 F/ P" W4 W3 U, j! O L
while[j < people]
8 U" g+ v& `2 p# r6 ][
) q/ s/ N4 D7 G8 A7 N" e0 \if (item j( [credibility] of turtle (i + 1)) != -1)
/ o. K5 s4 q& y" z9 W" J1 D- b;;判断是否给本turtle的评价质量做出过评价的节点! d: `$ i( X8 k/ Q* r
[set note (note + item j ([credibility]of turtle (i + 1)))
3 i6 j& g2 N8 C2 S;;*(exp (-(people - 2)))/(people - 2))]
0 N* W$ B/ W) I. w$ zset k (k + 1)
C! ^% k' [. ?( \& }+ y# `( f]
. c& J* M9 _0 m6 M0 }( nset j (j + 1)
$ t( U, }) ?- q: r1 A]
; A2 c; O1 E: C* o6 ]/ Kset note (note *(exp (- (1 / k)))/ k)# |) ?+ H" e7 ^3 J. Q6 S% h
set credibility-list (replace-item i credibility-list note)
0 r" e7 Q6 z! x0 V2 k' H, rset i (i + 1)& u {% m5 [' [, f! }
]7 `* x0 i" s" j
end
3 [4 o4 k Z* V, D
8 A8 k* w$ R. R, c) ?to update-global-reputation-list
& r4 S8 s2 e% Xlet j 0
8 u" S$ s3 D* }+ _( s Cwhile[j < people]1 p2 Y4 L% q# m/ r( E
[
1 b6 i g7 e5 n- k7 ~! @7 v+ Qlet new 0
: G1 B" P/ Y. o0 Y;;暂存新的一个全局声誉
& e5 L' R( V( H8 H) c8 Vlet i 0
8 Q O! u; \' w U$ W2 S3 I& mlet sum-money 0
+ g( Z8 N5 }. o! m9 w3 T" }let credibility-money 0
6 {8 @% L% L2 c/ C, Dwhile [i < people]3 N) R+ ^' F" k A' R3 K \6 \
[
+ Z$ M! n9 B7 ]2 W9 t" B" b( L2 f& tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 Q# F: \0 c7 H# q" qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- k6 i3 k6 l7 G% G- B1 Nset i (i + 1)$ b6 j' D. Z- b# [
]: A5 s3 n6 X# z! s0 N/ z+ Z
let k 0( h4 \+ l) u& S2 C4 u5 p
let new1 0
9 w+ X; q# }0 b0 ewhile [k < people]. s$ V( _9 J" @
[7 S6 I! z6 I, M: A
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)
8 U7 R) F3 I* T4 d/ c9 z* G1 gset k (k + 1)! g! {% p/ }( W" F t/ ?4 Y, U
]/ {- F) m) ]0 y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ b. l- O/ O1 s W! N$ ?- g ~set global-reputation-list (replace-item j global-reputation-list new)
. F- ?( B, ^, Mset j (j + 1)
0 p# Q8 x$ L% w3 h/ f# B$ u]
o* e$ W/ N( A8 Y: I" wend
7 l5 @: k( d) E8 R7 y( `; w. K- v* G3 Y( z6 Z1 e
; f) u, `% X& U: C9 O- X8 o. b
( z3 V$ l7 U0 |0 L" Bto get-color: U2 Q3 v; B4 ]- s* v
1 C( E$ P: z1 _0 R. |
set color blue( }+ y8 ?7 H3 Y" c* x
end5 ?+ d A% ?: B% i* n
+ t2 A, v7 ? P+ e
to poll-class
+ h" S3 G0 h& a/ ]! A( oend2 v% }! d2 F3 h" k4 e, t
$ j0 S& t% F: e
to setup-plot1
6 f' M) P# V5 C% k- V" L) r& Q$ u* u
set-current-plot "Trends-of-Local-reputation"( N/ U" I+ S, O" Y
2 C8 _: J# W3 _( T! E F1 { N- G
set-plot-x-range 0 xmax
% G# P# a* W0 |7 Z; J* s( \4 x
7 T ?5 v4 i, oset-plot-y-range 0.0 ymax/ H5 i# k+ Z$ _: `* L
end
! |( B% V- |" S+ \( Q$ B' n, ~; n+ Q$ M4 L% j
to setup-plot2* ?+ A6 n: f# M9 T, O" }
. p+ a! @4 W! _* q2 R9 _* O8 mset-current-plot "Trends-of-global-reputation". o) ?8 y) y) U5 y2 K' l' b
8 W$ m& N4 G# X, D$ D6 }set-plot-x-range 0 xmax. |- O! E9 W! W, G& K. ~4 p
. a; c, f$ O" z( g0 |( F
set-plot-y-range 0.0 ymax
% m! Q; f. l9 Z5 E9 gend; n9 C" k' T1 d
5 Z, o, M7 Y) I7 Z& h5 T! Y0 H
to setup-plot3
- i# s& c( u' W1 `* g; V I$ l
" A3 u1 o6 d% @! @: ]set-current-plot "Trends-of-credibility") h; k. @, r' H4 i6 {& @
$ _; ~1 U! H, }8 [0 Q2 pset-plot-x-range 0 xmax& W1 h( M, B; F7 S& S/ V
* L$ Q% c1 }# }6 H/ F. k* Q) {
set-plot-y-range 0.0 ymax
2 d/ t4 V6 {; e# ^3 |1 Q- nend; k2 Q9 ^% a; `' A
5 r% m" g4 O- \, \* ?0 Pto do-plots1 y4 E. L# E4 `; {* S) \
set-current-plot "Trends-of-Local-reputation"
! f+ s8 f6 ]3 T$ c& Zset-current-plot-pen "Honest service"
( f% w @2 S$ d! X5 O+ Y; a Kend
Q; }* B7 ~- s4 ^. k# _# k' ^# L/ |. Y% v# O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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