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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 a1 H- y3 r, x+ o1 |6 P& ~
globals[
3 b" O$ n) M$ N+ axmax! H, t) i9 r8 Y. U' U' x" D& s& l( [
ymax
' A$ y( e y& qglobal-reputation-list
/ V$ S/ ?8 i/ u! z8 m; x4 j9 q+ i. F
% j$ T$ y/ d3 O1 E;;每一个turtle的全局声誉都存在此LIST中
* z1 {: r8 @1 @$ N5 l: zcredibility-list Z" Y5 O2 j: R
;;每一个turtle的评价可信度* t! C5 ?1 n6 P% b
honest-service. Z& e, T% l R/ x; c9 i5 I
unhonest-service
g. P" u$ i/ g2 Q4 e( poscillation6 ^) `# Z0 a3 w& }
rand-dynamic9 y6 L& c* c$ o" G' q
]
! T' R5 Y) f# B3 F7 i, d
5 e3 W% S, k \% V8 u0 _" b+ U1 j+ sturtles-own[
1 l4 b) _5 z3 i; ~( G; T! T$ Y" t+ gtrade-record-all
, A7 h8 x7 I$ o1 k( P* p;;a list of lists,由trade-record-one组成
+ e' z9 o" `! S- T: `% ltrade-record-one
' R' E0 U' w X9 `" E: z' 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
4 n1 I; |' s- Z. X* u& ]' T. W1 d4 R8 _$ m/ X: P7 e- J
;;[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]], ]; e, d9 ~7 |8 D
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]+ N3 y+ [9 Y. b* B( V5 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
7 q2 i2 f# n3 s4 }* R; ~2 Sneighbor-total% e# M: ~! M/ A6 H. W& C
;;记录该turtle的邻居节点的数目
3 W$ `) o( H4 x7 Ftrade-time+ u2 I1 ^8 h! W) |- U7 [2 D }. G
;;当前发生交易的turtle的交易时间7 W. r& ]8 d0 b8 [6 D5 {0 X
appraise-give
. O/ q; l A7 Z6 B: U/ I) c;;当前发生交易时给出的评价
* S6 O% K7 N. i9 bappraise-receive
$ I L) u( C" O;;当前发生交易时收到的评价# a! {/ U3 ?4 c
appraise-time
: n1 C/ F+ Q# l;;当前发生交易时的评价时间, h, V5 u( J& j8 {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 ?: r, M4 b6 P- H W% `$ ~( }5 F/ o
trade-times-total" J" K0 V' H0 P& v* l/ g
;;与当前turtle的交易总次数
8 ~% Q! ?3 s ~3 mtrade-money-total2 d3 f+ ]& H/ z" g4 ]2 Z/ Q
;;与当前turtle的交易总金额( Z) K+ {$ o0 u7 a) Q* m. {9 D1 w! q b
local-reputation+ d5 o& H* z/ h
global-reputation3 @% m* Y& s" V3 J0 h
credibility9 g+ s- k7 [( C
;;评价可信度,每次交易后都需要更新) `1 Y0 p+ \: D% P
credibility-all% N8 J6 g4 r: E$ N$ K0 ~* v& R8 H
;;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
: v' n* p/ n5 C; C* k7 @+ ?6 A. v5 \9 C) N% p. d
;;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
7 @9 G( B% E3 ]+ `& W7 P: z; |, ycredibility-one. m r! \+ S5 H9 I! Q. D
;;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
! _5 P+ i w' N( f# x( Qglobal-proportion7 B6 K# k" R9 l/ Z/ T
customer! v$ a6 H ?( `& C' h; D! J' |
customer-no5 n% j5 z- D( H/ `( q
trust-ok
. [9 B7 `9 D! s& \- M. Itrade-record-one-len;;trade-record-one的长度
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3 o' r) [/ Y7 j3 z; X' d/ Y, N;;setup procedure
( d2 I9 D) m- f- s' J; m3 e% F2 X
to setup5 O$ u7 a+ k0 L
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$ j$ v( |, r, d2 _3 O* Pinitialize-settings
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' g& u: x& |" Zcrt people [setup-turtles]
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1 p3 ^# F9 O0 I/ f# vreset-timer u. L& g. l( b7 O
& c9 `4 u8 w, l' @6 V
poll-class. o) J% P) ~ ]: g6 b% K
" y# ?/ D5 S& O/ E6 q! c) Y
setup-plots1 z1 t- w" J8 z" ~
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do-plots2 j8 d/ {3 z/ V& o5 ~
end
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to initialize-settings* N' L( |2 a8 B- }4 D7 M7 A
$ I7 x0 e7 k* Oset global-reputation-list []
5 ^* s" F: C0 p+ x( s
+ Y* Y/ ^7 K7 T/ Nset credibility-list n-values people [0.5]. u6 `# l2 X1 S( |% q) M
' `/ }1 _/ m4 \6 i* k; n& q8 h
set honest-service 05 `/ V* `4 E" V
2 i' I; s: g1 N
set unhonest-service 0# P! n0 ~8 w- h& A
/ @' m7 D5 z. \% Tset oscillation 01 j# j* Z7 W+ a4 q1 Q, M6 ~
2 k; U; v4 D/ P# u
set rand-dynamic 0
5 m+ o/ U H5 o( H. F( `- V! {8 Aend
0 P: L# T* ~& E$ E9 _) B1 [( k" A) q7 F
to setup-turtles 3 J7 R4 B( x, r: Z9 E; \0 n
set shape "person"7 Q1 t, G" x1 B/ } Y! |
setxy random-xcor random-ycor
) e% a) [! W4 ?, r c/ h. Aset trade-record-one []7 d- C" g: j! p9 P# y# t
" X% j7 @8 i, N% I
set trade-record-all n-values people [(list (? + 1) 0 0)]
4 D* L& d5 n2 I/ X
/ u6 J! T9 i) Z; b! `set trade-record-current []
, c( U0 K4 z: x+ tset credibility-receive []
6 X& c. C& v( _& ^5 w9 _1 P( lset local-reputation 0.5 l* H( C* l; V$ a0 }2 n
set neighbor-total 0
9 }; b: t% T2 j& z* b9 b R) mset trade-times-total 03 \8 O4 j% o, M
set trade-money-total 0& H2 e8 ]$ U d% H2 _4 R/ N& F
set customer nobody$ x3 `3 v: N) x6 O" @% _
set credibility-all n-values people [creat-credibility]0 R9 H$ y5 X7 X# X' }' a
set credibility n-values people [-1]
3 W% y- ~ S5 y5 E" O0 Fget-color
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end
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to-report creat-credibility
3 _* k+ f4 |# f* ^" ?report n-values people [0.5]
1 ?6 U: V9 Q0 w+ o4 T- Zend8 @. m+ V9 S/ g) T* B
6 ^$ R1 x8 `6 [' `
to setup-plots
4 v5 F' p @+ }! T8 H, @/ A; l
: _6 e0 I+ F3 v) j% tset xmax 304 y. v- L5 p, f( b4 Z
, t8 G$ l0 ^: I3 P2 ?* g
set ymax 1.0# F, S$ g, z2 r( d/ @4 D
7 M4 X7 \' c8 { ?
clear-all-plots
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setup-plot1
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( W& p0 m7 M2 N3 S5 c0 i; r2 ]+ h( z" Z8 \setup-plot2" s4 Y% K* x \# L" |' B
7 }# u: x7 p z$ i0 j
setup-plot3
9 H0 b( w! |* a: X5 Uend
$ Y7 }& X4 d2 b# i
' y# f: h( g1 b c( g# b- [9 X;;run time procedures1 z& n7 F/ v' C% d" N7 N
% f8 E5 U) H& @# [2 M( Vto go' ]6 i# ~& C+ i6 T) O6 e; W
0 B! y: B* p) fask turtles [do-business]/ \' j6 c/ q1 k( @3 v$ W9 _
end7 v9 K/ t9 \6 _* f! {( O% _1 X
- s( `/ u1 [4 ?; G' E7 A9 h
to do-business
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, }) _+ U' }5 h4 {' Y
rt random 360
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fd 1: v, Y' ]3 m7 f" l9 z1 A. A
$ e2 A; p( k# h* j9 \6 i! U1 Nifelse(other turtles-here != nobody)[8 m2 ]7 v7 D7 W
+ }9 w7 ?$ K) | f/ G
set customer one-of other turtles-here) y2 h7 x9 I2 t
- e+ U' O# ~7 G
;; set [customer] of customer myself8 d6 p) T. i$ d9 O
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set [trade-record-one] of self item (([who] of customer) - 1)2 G ^: S8 ^" q: h8 Q0 q
[trade-record-all]of self
! Q6 W: ^* Q) L, y! \;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 ^. Q% L- v' ^
- C T2 A( J' p! w, r1 @: {set [trade-record-one] of customer item (([who] of self) - 1)/ P. h6 K1 c( t* V1 O# t3 ^
[trade-record-all]of customer4 D7 }3 l& Y$ z/ ^
9 ?/ G6 p7 s" `4 K6 t4 V# _5 Nset [trade-record-one-len] of self length [trade-record-one] of self2 v* \3 ?3 Y% f! o# J6 B
( Q6 ~0 U/ B" e: V, [
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
% W3 P3 J% [$ [- X5 i6 X$ Q, ?;;先求i对j的信任度' r$ z. G1 R8 w X% e: Q0 g
; G4 D3 R6 x8 J
if ([trust-ok] of self)
, C6 j: M$ [6 [1 V;;根据i对j的信任度来决定是否与j进行交易[
$ \$ {8 y4 Z% M7 A! }ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
* Y F; L, c' y
9 M1 t8 p {/ b2 y+ P[2 Z" F% P: }2 Y# d. o8 q. y% U
3 i4 t' k6 `1 d3 }do-trade
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update-credibility-ijl0 {( ~4 J4 H, X" b
" {; n, q0 b2 g+ F' J# a% |update-credibility-list" C+ K& T8 W0 i# |# G7 d' @
% w) i% [- G* y* J3 l
% _1 P, ^2 n$ r0 c) g2 e0 }0 \; @# }update-global-reputation-list! V `3 L" [+ q/ Z1 ~
9 U5 Q* i" Y+ ^( d
poll-class7 a# I) q8 r) C
, G8 n: y6 Z& W" g2 H( d# A
get-color) ], k6 R& b4 \5 X* I
' J5 J# O. S) x* n4 f5 t0 `
]]5 w, w" X1 Q9 v
$ o* E: M' k: k5 q6 B8 l, i/ t;;如果所得的信任度满足条件,则进行交易0 u+ a5 X# v; |& @) W+ l
! b% s0 d$ u- Z. d: Y* Y4 u[$ Y( N" }# K P! a5 G9 y
1 B. L: o: L5 Lrt random 360
8 H& W, I; u+ I ?; H2 c
) s) J2 a* c: ofd 1! _5 s% I1 C* T5 f; n0 `
2 L& N; r% i( s9 \+ F]0 H3 Z" m6 o6 a) J \
5 Q' w) ~: j+ A# R/ Send
s5 S- `) j. Q: t; Q' o
5 P5 Q# J% u3 ~4 L, Zto do-trust
; z' i& a3 R! m% N3 {& N* qset trust-ok False
% X: x8 u4 `. E! W9 b( D7 A9 H1 k3 A; ]9 w
# x- y5 `, T$ Z; B9 zlet max-trade-times 0# ~3 ^" L, Q$ a3 z$ |2 \
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% l! X$ F5 k2 H& Rlet max-trade-money 0
) P {2 v6 T; N$ |( R- Mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
* o! e; K! o4 M, ]3 ]) {let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 s; I" C1 _0 z2 `1 e! `
/ j' t8 A, b3 L' n8 N9 g5 T) x0 M) Z# h" j8 U+ q
get-global-proportion
" O/ E% E! a, A9 plet trust-value: @4 b# P6 T! F& i6 |1 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)" D8 t# c. I; t
if(trust-value > trade-trust-value)
3 U2 q+ L% Y, i; a6 s% D" _[set trust-ok true]
* o3 X, z. R# Lend. \1 j% w( o* ]4 ^8 ^$ |7 B3 f
5 x8 K3 u; {7 }( z. yto get-global-proportion1 V( x& }# j# ?
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- o! o" _4 [9 Q X& {[set global-proportion 0]
6 c! W5 N) {8 N[let i 0
4 T7 i3 z' _! j% S+ k0 ulet sum-money 0
' V: K4 x, ~2 F" W4 y, }2 ~& F! jwhile[ i < people]' N7 S" b. R! W: U
[; I. F! G2 h; e) z
if( length (item i! i/ y0 p; _$ b2 n4 Y- w) ~
[trade-record-all] of customer) > 3 )
$ U; j% ]% _7 r, e[/ Y3 b( L7 A+ P" t) C
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)); m- S* \( p6 A7 `+ ], i
]
) ^8 \. M9 ^( d% d1 f% e]
: N1 f3 y) ^6 ~let j 0
0 ~. I# l/ S( \$ e; ^$ xlet note 0' C- P) ^9 ~8 t, }, x. H; T7 d
while[ j < people]
; ]9 V$ a* J" ~& }( U: y0 Q[* c1 ~1 C8 K0 R+ C3 e' ]
if( length (item i3 G9 T- U5 Y: Q. ]; S
[trade-record-all] of customer) > 3 )
( A7 f. Z4 }6 Y5 |3 G[1 Z- t5 x' N3 z0 }% |
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# d9 l9 l8 J- Q; r% c" B
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 i( t( t. U' e$ C" ~0 P+ T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! b4 Z9 c* H, _0 Y8 }, b
]
% l3 R6 z7 `: o' x" A! T, l3 T: O* V]1 i5 |- T3 s/ |* v
set global-proportion note
* a* N3 v+ G# H]/ @( k' a8 K0 ]+ Z2 M3 `+ f
end0 q$ w- R8 I( g# U# W: k5 h$ H1 x
& d6 m( Q6 N% r" s* O7 _; v' k. zto do-trade
! {9 D; L6 Z1 G) T' ? V;;这个过程实际上是给双方作出评价的过程- P: x& n" u/ j1 m( s
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 X0 Y; l$ K6 W, J/ q0 N& [/ E, Yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% E* y2 w% A$ [. D0 T5 s% ]
set trade-record-current lput(timer) trade-record-current4 P( C+ _5 h" q: w9 n
;;评价时间
7 C% H: j8 [( x# P, O0 K4 ?ask myself [- k9 d! d! A5 z( k- L8 I' e* l
update-local-reputation4 m, m. K/ T2 A7 Z+ p
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 M* B* T8 {4 V) ~7 I: r]/ `. Z% n4 T* E6 \: O$ n& d
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, ~" e7 s' d$ h9 U;;将此次交易的记录加入到trade-record-one中
$ A5 d' k5 a+ ?6 a( ^- d' Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- S$ y' j, a* [% C. C
let note (item 2 trade-record-current )/ z1 m( E/ O" ?9 O, G9 Y
set trade-record-current
: T9 x# I; {6 l/ W9 S- ^8 y4 L(replace-item 2 trade-record-current (item 3 trade-record-current))% `3 S7 T6 j* _7 u: h; }
set trade-record-current$ s3 R( ]% x `5 _+ g" d
(replace-item 3 trade-record-current note)1 l; P' x, I$ m4 }0 k
% d+ }) x' o2 q, }6 s* ?
) p" D% w1 ^9 M) c- u) a! Oask customer [" P- X: x O0 I& y9 V* K
update-local-reputation
$ X- e7 j0 z! N$ d/ b8 q) E3 cset trade-record-current, U7 r4 u. s0 ^( X4 E
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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# h- l4 m7 ^/ f9 q
8 U# K t2 f: R$ |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
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: w# Z S# G; m; Q; jset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" L# s# `4 L' H# D+ L0 \. z
;;将此次交易的记录加入到customer的trade-record-all中. t$ ] A1 S: A) C5 w8 J
end8 H W- B& F4 P2 N
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to update-local-reputation
3 {) ?9 a5 M, |+ A" Wset [trade-record-one-len] of myself length [trade-record-one] of myself
) s0 [% W9 [, |
# H* Q+ O& |- |, b4 U+ Q7 j" ^ [& p# d3 }! h4 U0 r/ M% ^# g6 j! v. L
;;if [trade-record-one-len] of myself > 3 8 K9 D% ^. W0 X% c
update-neighbor-total
& C2 z* y# Y& g& F5 i8 I/ p;;更新邻居节点的数目,在此进行
, r7 F) _: ^( m3 xlet i 3
. S: j8 ] L* C+ N8 B) n% hlet sum-time 0* y# m5 V6 _+ |4 e7 u5 l- H# O
while[i < [trade-record-one-len] of myself]
* d" J" i5 `% V9 u' c[
? V8 @1 J D6 pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- e, o" Y; [5 l8 b# N; u- l
set i
8 [+ h; V+ I, j3 Z7 H) X( i + 1)# L; \3 v7 B+ n
]
& b, R1 {- E# M" [3 H1 Q9 ~9 F: }$ ulet j 3& c; [# d0 |; D) F- B; l
let sum-money 0: z& x" @: b& e0 T B
while[j < [trade-record-one-len] of myself]
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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)
! g( D( p3 R9 I& M/ l5 ^0 Kset j
5 }) @; U2 f ]' ~: Z5 \( j + 1)
8 Y) v( A/ h# O/ k1 d- D( ]]
$ e2 K8 k0 {2 a( N# Ylet k 3
- T# S' ?( B, x: Y# Y) ylet power 0! y! ^0 W* j# N6 a
let local 0+ _+ p; d% e2 b0 i& P7 F5 n
while [k <[trade-record-one-len] of myself]
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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)
# @/ G$ e6 W7 P2 x; w6 Q5 |set k (k + 1)3 v3 g1 o2 Z5 H' O
]! I7 e1 h2 u6 D! t
set [local-reputation] of myself (local)% {9 |, q9 Q2 X3 q9 j
end
# }1 \1 Y% t9 P* n/ f
0 |: S6 n& {9 R4 q/ s8 {to update-neighbor-total5 K8 P3 r! m' H0 _
" j4 n3 g1 m. r$ R4 mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! _+ f% d2 Z* G4 \. S
0 {: t% y3 y! j& d+ H/ z
' o- @1 Q( S. `# F6 }. d3 @
end
1 |. ~& p) l+ a0 ?" Q0 Z6 A" |
" c" W7 \4 a2 q/ Ato update-credibility-ijl / H4 S. r# E+ G% ^7 V
, g% _6 Z. b9 U, U0 o0 J- l
;;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。
. h: i+ W7 d9 p6 I }, H- J8 ?# Olet l 0( w* c- n# _2 x1 K
while[ l < people ]' e$ Y2 _2 _/ W T+ ]# G
;;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
1 E( l/ O$ @+ I+ z8 c) @ a; F[
4 x$ A$ t2 v* `6 H5 Y3 l3 Y8 @let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ D2 h) Q5 ~- U. }3 |. c' e( Z
if (trade-record-one-j-l-len > 3)' ^* a) N t- u. c' k/ B
[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-one3 n; J( D/ n a9 J
let i 3( M7 ^/ d6 Y- `0 |7 V9 z) ?
let sum-time 0 T" A! X9 B4 D( {
while[i < trade-record-one-len]6 X" }: a$ @. F3 e9 t4 z' v
[
; _% ?( _5 N& K4 R" q0 B& p# _set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) p" x1 L: }! J) T% P: \, c, e
set i% b, m7 M6 U5 G
( i + 1)
7 ~# c% f, X7 a( `/ i7 i]+ B, d2 r7 F2 T
let credibility-i-j-l 03 | T' o: Y( U I; j, B, d0 S+ Z
;;i评价(j对jl的评价)$ X' w, z0 |$ J# K, a
let j 3
$ E; l+ C5 l* q! J# V& F- {) }let k 4( u$ o4 b* \1 x/ B3 J$ |
while[j < trade-record-one-len]
1 T+ @) S. G2 D1 i/ [[( M6 g0 g k" Z o
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
9 L1 o% [1 n( i- |, }9 g4 oset 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)7 l& w- `# W8 [& n6 @
set j
4 ?; m4 i( n7 Q) ]7 J9 ]( u( j + 1)
# s* w- {* q4 Y1 b* q( s% W]3 C" |3 ]* U1 j! w# \
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 ))
- X7 ~) t) j5 a+ ]( V* q* n5 S
* j8 }7 X ^5 ^2 C4 J6 q5 llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); X5 z8 n$ Q+ ?5 ]" @1 Z; }* g8 J/ {
;;及时更新i对l的评价质量的评价* [; Z* ~; d' j9 a: M& N2 }3 l
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! E$ p# _) C: Y: n! ?1 F$ F6 U5 jset l (l + 1)
/ V4 G) _; R9 a9 A# M. |]) I, B: H& X+ x& E, h
end8 Y$ G: }5 M/ T4 P# ?
) p5 J9 ?$ t4 a& A8 Z
to update-credibility-list6 A% s v( U6 `
let i 0+ p: A8 \/ a7 e1 i& j6 x
while[i < people]& k; o' D& j6 y! h- ? R* T
[- Y9 T" O3 Q, `/ s* r* R b
let j 0
% o, J2 L8 d. @+ xlet note 06 P. b9 x9 B4 [: j
let k 0
& W% ~0 |0 l% q& W* t2 a;;计作出过评价的邻居节点的数目: F, F4 l7 x) ?: {
while[j < people]
* {% K& O7 |# _! }# m[
) X$ l" P- [+ J+ [2 rif (item j( [credibility] of turtle (i + 1)) != -1)
( N5 u0 _, _! z. T$ Y;;判断是否给本turtle的评价质量做出过评价的节点
. c$ B8 C& V, |[set note (note + item j ([credibility]of turtle (i + 1)))
6 D" @; M- W& _;;*(exp (-(people - 2)))/(people - 2))]( Q$ _3 V; |5 u
set k (k + 1)6 B$ ^* u# n( a3 P q
]8 t/ F- O7 v! Q! A7 Q" V/ Q. N7 a) n
set j (j + 1)# f+ n5 N- a2 y/ h' L+ z P
]
+ U' i, Q; [ ~# ?5 Q; G9 G, P, nset note (note *(exp (- (1 / k)))/ k)4 j- U2 ]: }* F% y
set credibility-list (replace-item i credibility-list note)
7 N5 j/ ], P4 u4 d1 S3 h- xset i (i + 1)0 i* ? O+ V4 g! \, o
]. E+ a R+ V8 `+ ?8 R' z
end9 r- W: Q3 G" o% U6 D/ o
2 O- @ e& O! M, V8 Uto update-global-reputation-list
2 ^, N2 w% ?/ g$ X3 F- b8 \let j 05 I+ c2 a6 j: V# ~' Q
while[j < people]4 W5 L% U/ }$ v6 b* I% w* U0 I
[' Z' K. i+ b9 a. d' ]! r
let new 0% I6 U9 \) r$ H- Z
;;暂存新的一个全局声誉
- F" R, }4 j) d) H% A! N) Q X7 [7 k0 _let i 05 D5 e5 S$ x* S' `! t& V" R
let sum-money 0
9 }/ L; g! i5 @2 J `4 Y% H- J0 olet credibility-money 0
3 s) J* p2 \9 f/ Twhile [i < people]
6 E8 i1 d0 n9 d5 f7 O/ M[+ T; U. _( s; g+ ~+ A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
3 f, x! }5 a* b! e( u( zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))( \9 E( ]! }# C% r! S# I
set i (i + 1)
6 X" a8 h5 T" \% ^]
# x b0 i/ l2 a7 `) q" Blet k 0
: h5 c' W8 Q, a* s) @+ Nlet new1 0! w T+ k% m, L
while [k < people]
! e7 s" E/ r0 v4 x% x% U2 \2 q[
) k. X- C' O( X- [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)
4 @5 u; W8 k5 G% f4 |$ r6 s1 Gset k (k + 1)
- E2 M0 O( D W L# y: [( J) O]' s9 @7 q7 n; L
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& A* w( A7 @( Z9 Aset global-reputation-list (replace-item j global-reputation-list new)
# k1 m/ N* B% {, mset j (j + 1)
, Q# y, b2 \! |6 E" I5 U" N1 V]
- ^- X1 k8 U x* Kend5 @8 y/ u: e8 [
4 a/ }5 s# s2 y- q& q! m
# u; |8 N9 A r- R6 _- D: n5 Q5 s* x
to get-color$ J" f+ W W) i5 d7 e
1 a. L; l, A( Y1 P2 X# u/ R
set color blue
S9 |; m9 ], x" \/ j* bend
0 d0 ]8 ^! C" x/ y! x4 L; T& S+ [2 g2 a8 e$ T+ ?
to poll-class$ R9 ?0 s, Q; g$ c6 T
end$ v8 y! z1 `$ L) B
* O0 I7 p+ Z9 f& y6 Gto setup-plot1+ i: g6 p3 l, H! x
/ h/ q; M; Y) T+ G9 ]
set-current-plot "Trends-of-Local-reputation"
& L! e3 Y% d& j8 K% Y# z. E
( i" B9 \# w. F! B( u9 a$ Lset-plot-x-range 0 xmax8 M- @; |$ i" ?5 N* Z8 L& F
/ j6 g9 R0 D6 d; s ^% \! ~set-plot-y-range 0.0 ymax: p8 ? y) P( P) a
end
6 G/ d3 \ A4 R5 ^
4 x+ l. w* }! ^" \3 \to setup-plot2! D* T$ }* w$ S- h8 S H8 M
" `" x$ E( f3 ` i+ w
set-current-plot "Trends-of-global-reputation"
( I. G& z4 v/ h. E$ ?4 X# S! d9 F0 ^. U- [# Q) @* K, f W. b$ i& q g, x9 m
set-plot-x-range 0 xmax( _- R/ g8 ~2 E; T
H# J( [; F# Z; h' |set-plot-y-range 0.0 ymax; c/ Y: d% ]2 D% _6 ]' m0 C" ~
end: ?5 L0 V; `4 \6 a o) e7 G# d
& F L) ~: L( t7 e4 Yto setup-plot3
$ h' f' ~. x( o9 C7 ]! }
' \& x" g: j( R5 v1 |3 Q) o; e c6 {set-current-plot "Trends-of-credibility". Q/ n `3 Q# y# n; g0 ?' D* ?+ C
% O! _) m/ ]0 m* M. t+ D o
set-plot-x-range 0 xmax8 H/ v) a+ d" [' g! \9 e' I/ K) n
" r( A- P# M" P5 H, U7 V; b6 t
set-plot-y-range 0.0 ymax, h6 Z6 R8 h. p2 M! F& f" F/ L- j
end
1 G/ x% F* {/ ~2 ~ G* c; I: G9 F |) T8 p) F) d+ m7 {
to do-plots- c( Z7 _9 m4 V" J4 C6 ^
set-current-plot "Trends-of-Local-reputation"+ p: G& p5 q( c. p5 S
set-current-plot-pen "Honest service"
+ S5 R- p0 T aend2 m+ ]1 o0 P1 W* r% F3 o
4 J6 C5 S# v* _7 p: @$ O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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