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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
5 P6 U" x9 E8 l- u" N4 Hglobals[
. n1 O% R& N# a9 s* m3 cxmax: W h; C3 O0 O+ h! [* B5 n ?/ W: A
ymax4 I+ e8 A7 [- U2 B$ v
global-reputation-list
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;;每一个turtle的全局声誉都存在此LIST中
2 o9 ~* a6 p2 K$ R4 ^% ecredibility-list% s& a. p& a' H' p
;;每一个turtle的评价可信度
7 p, h) r2 ?' lhonest-service
7 b+ k9 S9 G$ P7 Qunhonest-service# W% V* Y3 N+ M( K! {
oscillation5 h$ r7 h5 b2 P1 L
rand-dynamic
; n: \' o& ]7 O& M1 R6 K* A]8 V! A- K6 _ B( t" t
7 q ?1 u6 }/ S0 uturtles-own[: U' S8 t, O$ a& ~" G' }$ K# X6 t' ~
trade-record-all# D- t" z9 u7 P5 u; I& Z: v
;;a list of lists,由trade-record-one组成1 b" U9 f# b2 C4 {
trade-record-one
0 O: l& s6 K& [" b+ J;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) n1 H6 U" f W) M& M7 S1 j% j$ J
# ^5 R; p! ^0 M! z! {
;;[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]]. K/ g7 b2 i3 Q/ n" B) Q# `
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]) T3 m/ C" |. J: m& T
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# j! m: C7 Q- P& _# w2 C; ~neighbor-total) s ~* y+ ]5 n# B$ y% w$ t! G/ Z
;;记录该turtle的邻居节点的数目4 t' f& {) Q/ x1 ]4 e- z
trade-time
' N, f( m4 U- X/ ~ A;;当前发生交易的turtle的交易时间
9 i+ u& f6 c5 s1 ^7 d R1 bappraise-give
. x9 s( _1 R, m% P9 U% b;;当前发生交易时给出的评价5 h' _) I! [! A+ \" l
appraise-receive
0 Z( j; j& m. x. r;;当前发生交易时收到的评价
, E; l( a, L6 m$ d* s' _appraise-time
: d( W# B, Q$ I/ `4 l, N# a0 M;;当前发生交易时的评价时间+ a6 W0 W, f3 h; I! i
local-reputation-now;;此次交易后相对于对方turtle的局部声誉6 j& W' j, G& k
trade-times-total2 f5 y/ }# V; a! c: K4 Q
;;与当前turtle的交易总次数
3 a$ e/ F& B& j; g$ a( @& u ktrade-money-total. A* z' |+ D$ E6 V
;;与当前turtle的交易总金额; g" k5 I2 L( G
local-reputation
}1 T" d' v( \9 }; G$ pglobal-reputation
+ ^: t4 H" v3 {- pcredibility
% M6 g; p) D1 p: u( i+ ~;;评价可信度,每次交易后都需要更新
; i& |8 Q- z6 e& y8 Dcredibility-all
: h) f! }: Y# k2 O6 {, b7 j" q/ V3 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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& b- G3 h" o/ h! L( r6 Y/ s/ S;;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
# m1 h% ]+ p+ D3 T! f- Zcredibility-one$ s1 v4 [; i+ n* y$ h$ d' U4 c
;;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0 e* [0 t& f* @- S. ^. q0 ^$ A$ Y$ o
global-proportion6 s) ], g3 a+ v6 e4 G
customer9 u; t$ K5 _5 j# x! a+ A
customer-no
: ^# ~8 Q( f% P3 D4 U1 W0 l" y- Jtrust-ok) X0 Z- L# a0 F
trade-record-one-len;;trade-record-one的长度
7 v" j3 ]3 z3 y: N: E]
3 h$ z0 E1 D: V, V" H1 ?9 t4 {, m9 J" l* Y8 v# f- C( U5 ~
;;setup procedure4 x; {+ m3 U1 M! C/ ]
7 s% D4 w5 O3 R$ J% }to setup0 I( L& w: a9 l4 |1 R' M9 |; R
* \3 J# s% a' q' j3 bca- Y- [, g9 ]+ K) z" S4 r6 [; q( A5 n
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initialize-settings
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crt people [setup-turtles]- a# i: ^: G* T$ x
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reset-timer
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3 B6 h6 I: \- ^" A) Zpoll-class
# _; i6 {' V; @7 [' [. }& w
, k7 H% l0 ?% v9 W( u$ t8 w; D# S @setup-plots+ r" q2 t' O7 _4 Y' K' b" |" c8 L
* X- ]7 |7 D! T0 S% D' q% @do-plots3 T( B# L2 y( a' M8 H
end
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to initialize-settings
}$ Z# s/ D% @" q1 g5 d" {# N A
set global-reputation-list []
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set credibility-list n-values people [0.5]1 {% R. W* q t8 U" B9 b y
- \& g& f( X! eset honest-service 0
1 { {7 _0 r. [1 ]& a
, C1 w1 D, W. e# j2 N$ wset unhonest-service 0, T6 v& S% N6 j
& J6 i. K1 s9 Xset oscillation 0! l! d j' G- n2 T' D4 j% U
|- ]9 j' h( s5 H* {* y
set rand-dynamic 0
3 k" I3 i4 m% Pend% c9 [. H! P5 x D1 K$ `
) Y ?& {4 g6 u0 u* nto setup-turtles
# H" g* i1 Q0 k9 I% Mset shape "person"5 l+ f- S0 t& |3 j3 I
setxy random-xcor random-ycor) u+ n2 A: j$ G) U( p; i, N" k
set trade-record-one []1 @$ [# q# B J1 w
/ i+ Z& H, W9 {( l' I
set trade-record-all n-values people [(list (? + 1) 0 0)]
# z! c: L* }( V7 x( F
7 C& p& l$ O3 p4 p# Y0 O5 l- hset trade-record-current []
( v8 l+ |# v$ E3 W# L9 k5 L; Oset credibility-receive []
. P1 p! x1 {* x0 v2 Z: sset local-reputation 0.5
6 M4 ~. Z. o" K0 V7 M ?- r& m, yset neighbor-total 0
W* ~" C- n% q5 b6 Q) Yset trade-times-total 06 f6 N$ @/ K2 }1 m' Z/ c% R
set trade-money-total 0
9 O& _. F( o/ `: Q+ A [4 }2 Kset customer nobody
) M5 U/ r. f. k p1 w/ S- q1 ] n2 `( Fset credibility-all n-values people [creat-credibility]
* }1 E: O3 I2 h0 P% s0 Mset credibility n-values people [-1]
4 G! Q0 K* E; A$ {! Zget-color6 s: {% z* i; @7 [8 m; K
2 \! A d! Y+ ^9 M3 x7 N1 tend
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to-report creat-credibility: D/ U! q" S# I
report n-values people [0.5]
1 p3 \ f. d+ h1 r7 y9 Jend
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to setup-plots+ ~! B4 x; g1 J! n% J, b6 Y. W$ K
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set xmax 30' D h+ E$ A& w: ~ d
! p7 b. _' D6 H# \9 W. |; \set ymax 1.0
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: N4 [) a- j' c* S( X! A; I0 Pclear-all-plots5 K8 s* t0 S a$ m6 V1 i6 G! w3 ~- T
. v; f1 L" S6 d) j, F; ~$ z( t6 Usetup-plot1
: T7 J8 P, e: v, ]- J) {: V$ R! g/ b" _6 s @' q# O e8 V1 B
setup-plot2: o( ^% d$ E) J4 |' Z- Z/ S- {
. r; u& J3 Q+ k1 N6 E5 l8 }( bsetup-plot3
3 H4 T9 D& n, {" {; Y% X5 y Bend! d) c5 ?$ J8 W% V! B3 k2 |# Y- o
' Y* a; |: k9 N' u, Z/ v8 k8 g) B;;run time procedures
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7 G- Z1 U3 H, nto go8 y! N, d$ [6 `- V, j
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ask turtles [do-business]
+ X# ^* T# L: s, Xend8 D n6 t) v ]1 f
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to do-business ! e7 `9 Z1 g- _+ n8 W
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rt random 360
+ A) x- h! J2 h
4 x0 m" j8 a" A1 R! dfd 1+ F3 {& o) j2 Y c& O, J! n0 Q
# p" m! {5 m! R; \
ifelse(other turtles-here != nobody)[
+ T0 a4 b# X# N+ I' ` I9 M4 J, A" Z/ s. Z$ u" w$ f- l$ t* j
set customer one-of other turtles-here( d/ j- x* P9 D" l' H- r' p
( _7 ~0 {) P6 J8 ?7 n;; set [customer] of customer myself( m; @5 c' l5 Y- y( ?* Z
/ N! i- t! Z1 X: x# Nset [trade-record-one] of self item (([who] of customer) - 1) S; j/ Y( W+ P! e
[trade-record-all]of self7 w' Y6 x2 e8 B2 Y/ k' i R3 N
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ _8 r! Y9 w/ V: U
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set [trade-record-one] of customer item (([who] of self) - 1)
5 e, l0 y8 D6 y* b2 {3 I[trade-record-all]of customer) l! Z( y ]/ Y9 f
2 }1 R6 u3 r2 ]& [: W- Aset [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
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, x M9 j0 L' S6 k0 g' ]ask self [do-trust]/ W& t: e& t3 n2 ~. r
;;先求i对j的信任度
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if ([trust-ok] of self). `% G# X2 ~( ~4 n
;;根据i对j的信任度来决定是否与j进行交易[
+ {2 D' Y9 ~! b) A1 sask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself K0 [$ d) T4 R% I
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) J5 @5 x( y, C, b1 c. \5 a
do-trade1 E" h# M( y% }( Y; r: u' o
b" A9 V& E8 |7 F- W9 d, X+ ?7 lupdate-credibility-ijl4 g, F* m" S+ U# K
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update-credibility-list
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6 b' ^" B+ z- C/ M; q" t- Qupdate-global-reputation-list
% s& h5 h: ?+ H6 r8 C) Z. E$ [6 Y9 E6 O- q1 `! T1 `
poll-class
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get-color
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]]/ }4 |5 S7 h0 L9 a
* p- E5 G! ~8 ?
;;如果所得的信任度满足条件,则进行交易( Y$ A, c6 a$ B- u$ H! \
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[/ h9 P8 _9 b2 ~5 ?
0 k( a( |: c* D* ?
rt random 360
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6 @$ C6 o6 N$ L7 O, p9 yfd 1
+ g" j5 E3 V; S. s+ {3 Z8 a8 ~9 A5 r" R# n; u/ b
]
$ _8 G3 W* I' F4 y g% ]; C" h& D6 J9 [* ?0 p/ {4 {' D
end
+ I6 R) m' M8 w5 W v
9 } G/ D0 \! c' A8 y: G" a+ Rto do-trust ' N, ] {) y( G
set trust-ok False6 X/ t! Y, d, b' A- i4 R# H
6 a0 t1 b8 @ a& s2 k2 k( \2 @
8 \6 X( b9 d* C0 x3 V/ p- S4 rlet max-trade-times 0
3 J7 b8 y# ~# t+ X) c3 n( bforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ q- X: R6 h& k: k' Blet max-trade-money 0) K6 Q, p9 }2 [. i( g) [8 Z. D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
3 C) f/ G) s2 \$ t4 alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! n& `5 o, M! W M6 R
; [3 F: g" z& t+ {& O! q% x; r a% [8 W* e# f- P( X2 Q& m1 B7 q
get-global-proportion2 }9 b& a9 j: Q1 l' C
let trust-value- O) n, L$ e Y1 M1 Z3 D1 b) F
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)
" |% H& w) r# \, }# Gif(trust-value > trade-trust-value)9 N8 J; t0 u9 N; p
[set trust-ok true]* ]& S6 @) K0 U, V4 }) G7 e; c
end; P3 X" \* ?4 U3 \' Q8 i
; w! X! U, ?8 C* M3 \
to get-global-proportion& s y( n M" _/ O0 T, H
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& g2 E0 a" k& a# m0 @: D3 \9 l[set global-proportion 0]$ l$ h8 N" U! _3 K% J! t
[let i 0+ X5 O U H. B
let sum-money 0: s9 @/ z' ^ G
while[ i < people]) v, V7 F6 c' y0 ~5 T
[- g( v8 _/ n2 u: [ p1 L0 k
if( length (item i
" B( J0 q& p V[trade-record-all] of customer) > 3 )
7 i$ f, {& J) z: ][* Q& [1 [# }, R3 U+ D5 }9 Y/ w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
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8 ?: Z" f6 @. S$ N]
# n& f. E9 O% \+ R) A' `9 ^7 Vlet j 0% N& B! M; c: i) a6 w) M7 I' `6 O
let note 0& v: D+ e7 h( a! A0 ~
while[ j < people]
4 s: Z" m, k/ V* L[3 O3 J( T. y0 T% E" j: c
if( length (item i5 f" O# Z& e T1 F
[trade-record-all] of customer) > 3 )
$ f9 h4 L8 Q2 z1 C8 P* j. r[( y6 |: F, k, m# t, C) S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! I, U& h8 B$ s. j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; h+ t9 S+ p' r3 V
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]" L( M* q. U& o- _" P6 j. Q0 g
], Y- K& k( b0 N
]! C1 ]+ {2 R7 f# M1 J! O" u( Q& [
set global-proportion note
8 v: ^4 f) g4 g; Q]
& L I2 i2 M4 j, Y/ lend
0 ~2 B- F8 d- X a& }- B0 d/ N% [. y ~( E5 y( ^. ~5 X9 G
to do-trade n1 z$ ?7 i: S; J3 e7 f9 [
;;这个过程实际上是给双方作出评价的过程2 t2 t5 G0 X% K9 k* h @
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
& R9 `! P0 n3 Y2 `6 M2 ?1 t' l* Aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 W! E& k. W+ z5 i# X) M; ^) ]set trade-record-current lput(timer) trade-record-current
% N6 }" Z! w$ h1 y. f;;评价时间& E( D4 E4 h* ?
ask myself [
5 d s6 K6 y5 y2 p0 x+ N/ N4 J( xupdate-local-reputation
( i9 p8 A" o' X: c( d- Rset trade-record-current lput([local-reputation] of myself) trade-record-current# o5 d3 m0 Y2 B
]5 J; C! T+ ^5 z1 o5 w
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, x# U6 \' Y" ?( a7 Y$ {
;;将此次交易的记录加入到trade-record-one中) B6 W+ o2 \' r
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" y3 `) k9 [% L2 k0 E6 F, O
let note (item 2 trade-record-current )
( N5 _( v- s6 n* Zset trade-record-current, c% Q6 k' I% Z' o4 R0 u& l2 ^
(replace-item 2 trade-record-current (item 3 trade-record-current))
) L7 B# W2 E, L: f4 c) q) Qset trade-record-current1 ^4 y: h" k: B3 J7 J) t) g
(replace-item 3 trade-record-current note)
& V0 v+ N5 c2 U; q* i \$ i; a: g' B! \# v9 j
# U8 q( S: S6 k$ K2 p
ask customer [6 d3 W" F% I9 g4 F
update-local-reputation
T, c! b( b F5 qset trade-record-current* d1 ~- c7 ^0 `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 h' S& N- l/ t$ @0 X u- P
]2 n: ~" Y, a% }6 g! g5 {" R: i
( T' U; J: G+ l6 a* }' o9 Z# Q
- u2 C4 o& f% C2 W
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: D: V4 t" t9 s3 p9 _
( z$ y/ y+ x. ] E" F% n+ Bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. ^) o6 W. A3 O# i9 d$ P9 ^1 I8 `;;将此次交易的记录加入到customer的trade-record-all中8 s; O& q3 N6 B( f* P( v7 u
end' ^% d& C3 t: d' n
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to update-local-reputation/ h) y& @6 v5 ]. l3 N' ]0 Z
set [trade-record-one-len] of myself length [trade-record-one] of myself
8 g4 ^: |' h# W2 O6 B0 ]( I8 L/ I" p' M0 H# M
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;;if [trade-record-one-len] of myself > 3
5 W4 o9 z% ?) k7 [; \- U$ Lupdate-neighbor-total3 v6 | P; |2 A1 b. L. \7 K
;;更新邻居节点的数目,在此进行# {- R; t3 m9 d' K+ ^
let i 3
' Q$ e$ P4 [* Y! a+ m3 slet sum-time 0
! Q0 M' p5 R4 p G: R# Q* Xwhile[i < [trade-record-one-len] of myself]' \: o) e( r9 z4 @2 N' S% f
[
1 k2 n; Q3 w' E* Iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 F7 G5 G1 p) `! k6 V1 U2 A# nset i) j- t# l+ n5 ^
( i + 1)
8 p" \- j, |& @1 [, F]/ v! Y! I5 }$ V* F( u
let j 3
# P( U. P. _- x( a% r- Ilet sum-money 0
9 O8 [( O! Z# l% S* b6 D' h/ hwhile[j < [trade-record-one-len] of myself]9 ^* `% H" d% p( z, f2 H3 V1 L! O
[- f/ x' f, G( b5 ?4 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)
7 N" {3 ^2 _5 d" h# vset j
3 \; b9 P- ^: K+ e0 ]0 j( j + 1)& Z! E0 e) K9 }* W, {# v
]+ ?. O2 j. {. Z9 l/ P/ m
let k 3
3 u7 a, _; H( r2 z" b" Jlet power 05 {. x7 ]& `+ Z2 S' Y. {5 o9 C6 ^
let local 0
1 }% T) ] ^" o: W2 X0 u i1 |while [k <[trade-record-one-len] of myself]* i1 H( s" z) N1 k5 \
[) J* }0 X) x& U1 y' h
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) + {+ b5 z1 ]% O/ |* Z$ ?& N
set k (k + 1)* A8 R J/ l1 L% ]3 Q7 R6 C( z2 P' w# A
]
! v* A* M' i- H+ fset [local-reputation] of myself (local)
7 M6 j; Q3 y" F# O# f8 M3 A& Zend( O1 g" n3 {5 r1 R3 X' F1 E \
6 r. g1 `0 ?. Z" p
to update-neighbor-total
: m7 s$ I7 ~, O5 b) i) K6 X& b4 J" t% e2 x
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 G7 a) G$ U- ?/ k
+ ]& D/ }, v4 O2 T1 v M
0 g4 Q3 k7 [7 x4 V" Mend
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to update-credibility-ijl
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;;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。$ ?+ `7 h' p5 M }; R
let l 0, n. _3 k* y, j- j# t# v H
while[ l < people ]
0 f' }8 x7 t4 ~5 |8 G9 R# R0 [;;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% r) Z3 o F! Q" Z
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 ^& K4 A4 B* E% w7 Dif (trade-record-one-j-l-len > 3)8 d) V9 A2 o, `9 S$ y/ z
[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
( W( I% m) \! v; M0 v6 J9 g6 Ulet i 3
) q* ?1 G1 Z- i0 ~! O- E" Y8 q' `. tlet sum-time 05 \" {8 w/ U1 N+ b* R9 |6 r
while[i < trade-record-one-len]
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5 j% u% }0 i& c+ X5 D2 Kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- }' n8 c i6 [) K3 }8 R$ a6 Uset i
1 B/ D& n' }( n+ _% l z/ {* D7 X( i + 1)6 ?9 H* ^5 ^& J. K- A) Z$ ~
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let credibility-i-j-l 0
, ~2 G# R& }% p: S6 @0 u& x+ @;;i评价(j对jl的评价)
q" _; Y8 S+ q4 r5 ]" p9 I" s0 b1 ylet j 3
- c# D$ p; w% M D) Llet k 4
; e( B, \ U: J% y0 o: P5 |! ^( R: twhile[j < trade-record-one-len] W* |- ]+ C$ Y# ^5 G
[
6 X. M( {+ x+ ? Cwhile [((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7 Y0 b8 l7 A$ K) @" k
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)0 J8 H$ `# [$ k9 S. G
set j
9 c- _9 l3 I- `6 m- D- s% c d( j + 1)
) }) r5 I+ @, _& b- d]
, K3 ]/ S Z. }: P, L7 t% Dset [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 ))
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K/ _# [# P1 V6 a' F3 x7 [) \
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 V o1 ^, s- S( z;;及时更新i对l的评价质量的评价
) |! y8 y) x; a( t+ Iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: v: k4 _7 e! K
set l (l + 1)
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0 P: E5 C: r0 U" _end
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1 H) ^* k: T7 ~$ v8 S& Zto update-credibility-list/ r5 ]- [+ I0 }
let i 0- L) y/ u( N% w4 Y7 m$ R
while[i < people]7 R; z5 k' x" I$ ^4 c" a
[
4 A( ]( C$ S& S9 I" c. clet j 0
' s2 ?- E% S; j2 G; i$ U# o8 ?let note 0/ L* m n: Z) C% u9 v, G) z* Z2 i2 s
let k 0
2 {/ @, @) t4 |3 c;;计作出过评价的邻居节点的数目
1 k( `, h: \( J8 s; v/ D4 ]while[j < people]
& Y1 L/ e2 y, |6 r* n1 ^ g; L% U8 n[
6 c0 b( G4 A4 F! F' u3 ~if (item j( [credibility] of turtle (i + 1)) != -1)
' A. G- d! R0 r( h/ ?- A+ c- o;;判断是否给本turtle的评价质量做出过评价的节点
5 t" u) n. |. [, U3 F* i[set note (note + item j ([credibility]of turtle (i + 1)))( Y( v# R, E h1 x3 h/ W9 `; U. H( a
;;*(exp (-(people - 2)))/(people - 2))]
8 c3 Q; C, L% F, u0 zset k (k + 1)
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set j (j + 1) @2 R( \) v; D/ z" T% w- @
]" D& W9 j+ s1 ^. J) ~( M1 s, g3 j/ L
set note (note *(exp (- (1 / k)))/ k)! G6 }1 p( r' u
set credibility-list (replace-item i credibility-list note)+ L3 r4 E1 B4 }
set i (i + 1)% }6 ]! P7 [8 I* \1 O# Y5 x" e
]
* n- j5 i: i% s0 G. T; Dend# Z& B3 T( ^5 A% C1 \
+ | M7 W$ @7 ~. L
to update-global-reputation-list1 W% [( K, Y) F/ w! i9 Q; N
let j 0
+ }+ Q: E$ A, W9 \; g- Twhile[j < people]
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) t, U# w( A+ R! \) vlet new 00 u" C( E, q+ P# X6 n+ p
;;暂存新的一个全局声誉1 ^1 s9 _ r |9 t5 N
let i 0( H/ m( P6 h$ ^1 x' I+ U
let sum-money 09 f* @* Q5 r! K- @# A! y
let credibility-money 0' ^8 R+ S5 B4 l! P2 r! L
while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 M- G% f, M9 J( Dset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ p, [0 t* D4 e; z: P& E7 V, Q Y
set i (i + 1)
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& B% l e ~, `# ulet k 0
" b% \: J9 G0 S# ]6 ~6 w/ Glet new1 0
3 N* h! p6 Z7 ^9 c; zwhile [k < people]$ R. @. D: I c
[
8 r7 }+ R8 y, G: dset 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)
0 u) O2 U' Q1 ?6 ]: Q3 J$ d$ Rset k (k + 1)0 u) C1 r5 r. r8 [& t* g
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) W6 P4 X; L) c/ z: h9 d, [" b7 ]set global-reputation-list (replace-item j global-reputation-list new)" G0 C* I- e& ]# ^6 u
set j (j + 1)
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& L" r" |& e/ k' G& Y/ N& Q" Vend
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0 y! n3 {4 }' @! m& e
6 e6 g$ X# F! pto get-color
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: Z* M" k( P! t2 Uset color blue3 p. X* s4 X5 e
end% n( P7 B4 r5 u" C1 b. N. L; }
$ P0 d8 A$ \" f3 t) c, j6 i7 r6 jto poll-class
, o& s. s6 I ?; |end! t( s/ N0 q- u: n! w E
9 d; P2 m/ C( _' Y8 ^! }to setup-plot1
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set-current-plot "Trends-of-Local-reputation"* O! K& k3 d- x; C
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set-plot-x-range 0 xmax
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3 o+ T% j4 y! `1 k9 Nset-plot-y-range 0.0 ymax
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" u! L5 O- C# ^: p y! E( wto setup-plot2
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set-current-plot "Trends-of-global-reputation"+ ^$ A9 E( h* \ B& z
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set-plot-x-range 0 xmax1 Y( y( C1 b7 `8 a( W
& E: [8 ?7 H, V& B$ V: }8 L3 T& Z* ^set-plot-y-range 0.0 ymax8 }% d9 M% p4 Z, r2 N3 O# c8 Q9 R
end
% R# \8 {! D# x& ?6 t1 l& v7 s5 s6 ^' F
to setup-plot3' ~. q8 r) [( Z2 M
' ]1 K' Q8 d0 y) _. f( R* b/ \+ \set-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax- P/ T. _& v) B* O, _0 ]% `9 v
9 r) x) J* a5 C3 T Z1 r* M4 ~! Kset-plot-y-range 0.0 ymax8 A: [5 O+ u! G6 r: k
end! j3 a6 w& U/ j6 U$ N) q7 S4 j; C
- s9 r' d; y6 Xto do-plots4 y- K# _ M3 {! H
set-current-plot "Trends-of-Local-reputation"6 G% B- y$ ~6 y* ~0 b8 E
set-current-plot-pen "Honest service"
$ x( M( ?, O! b0 J' D% \* l# _+ Fend
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) I& \7 ?1 U) Z. u& Q/ k& u4 n, z6 C[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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