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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
: B! E$ r {, k* }' T5 v# p4 uglobals[9 @) \$ E/ ]: [2 o! B, e
xmax' P; a& b' S! I7 ^+ U2 l
ymax3 w9 T& |/ y* A7 B4 c' p
global-reputation-list
$ p1 I8 W, ^# a; v+ o
7 j7 c) {3 z+ V X9 O# x% \8 L) n;;每一个turtle的全局声誉都存在此LIST中
% {4 O: d0 ~; c2 A, K& x+ Scredibility-list
/ X; H$ K$ c4 Q8 I;;每一个turtle的评价可信度2 C% \' i- J& c6 {
honest-service, O8 @' ?. W( c; I# i* r
unhonest-service
2 m$ e3 [) F4 ] W6 d! G+ Doscillation
: `4 _: y j* |- [' G8 @- A0 \8 j4 Vrand-dynamic4 g; `9 E( W a9 y
]
% s, [3 Q0 e, L- h3 l6 d0 p- H' g/ q% E# _6 `- _0 V9 m- F- H3 U" t j, T
turtles-own[
0 c8 Y; J( b# Y* J Q8 |. Etrade-record-all
$ O6 l* ]! K- g" h' ?- D- z;;a list of lists,由trade-record-one组成& Y; I! g9 I! T/ j
trade-record-one
: a& s3 j3 q6 j% c& r) f;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* ?3 G( d8 B! h1 D
$ [: ]$ G; v# 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]]
5 q# p7 W* k0 [9 \* M( Z7 ftrade-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]
3 s$ c1 x& m) |5 r$ e0 Xcredibility-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- O7 W+ I6 O$ B; ]0 g
neighbor-total
l1 M, k! _0 v5 v;;记录该turtle的邻居节点的数目
9 Y6 H1 M' Q# w7 F4 S! u7 mtrade-time6 x- n& } M0 P
;;当前发生交易的turtle的交易时间
8 h" `+ Q, f( P" W+ P5 m( oappraise-give! X7 L5 t* l: m8 h: ^; ` N
;;当前发生交易时给出的评价
- I9 @8 K' ?: p$ Fappraise-receive$ X7 K, q1 A5 p$ T- s
;;当前发生交易时收到的评价
" V0 b: X. M: U, `) u% oappraise-time* Y0 h: R0 i( _1 p5 ^- K
;;当前发生交易时的评价时间
/ C, T0 G: P0 Ylocal-reputation-now;;此次交易后相对于对方turtle的局部声誉0 S; i+ i2 I/ C
trade-times-total
+ m. c: ]9 q5 L z" f;;与当前turtle的交易总次数
# J6 b) o% M8 \- a5 k& vtrade-money-total0 _9 P3 u5 `- { |8 A1 l# } u
;;与当前turtle的交易总金额8 g( M) S. x4 B7 x* U. i" k' u
local-reputation
2 t* b& P% \5 a T& |6 ], A1 Dglobal-reputation
0 R* n: Q( Z+ v& t e, ?credibility1 s4 P3 V: B" g2 k8 }/ m
;;评价可信度,每次交易后都需要更新0 z2 [# s* j: i; h5 {% \
credibility-all# i- z& l, {8 ~
;;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! j# V% ~7 ~( ]( S2 m7 R
5 C5 R) ?2 _ `$ o# v0 k) a
;;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
. R; s: m! U+ ~" R% lcredibility-one. Y0 A4 K9 E0 |4 o5 V" F
;;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& {" S) T5 p# F- Z9 q
global-proportion
, C4 ?& X6 w' j7 Y# o# }customer
& u0 K) A! h6 I2 v- ]customer-no8 P% o, e- F4 z/ |7 T- R/ ]
trust-ok
1 e- P) E% u8 T9 m& I Ytrade-record-one-len;;trade-record-one的长度
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: K6 v* |# D8 c( F3 w) V
;;setup procedure
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to setup) w. E' A/ A( r H/ i7 u' f4 S
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ca' w( G8 J3 \( P! z6 j2 J. M( U
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initialize-settings; i3 C9 E3 n8 I R1 y/ o3 G. B
: w W/ X4 p" g0 ]8 _crt people [setup-turtles]
3 I# i( g' u$ f8 n
9 U) R& d1 Z( w+ m2 t( `reset-timer9 x6 y# |. \0 w m5 v
8 Y* ?6 `4 G3 Ppoll-class
" x( M4 _" S \. A8 ^6 b! }+ q1 @ X5 I+ U
setup-plots" |* b8 T* t* m U; C2 X0 @! a
* O( t) m, j0 v* I8 C/ Q" F" | y; kdo-plots
1 W9 x! V: K) T, X B- j4 L/ p. z6 Uend$ ]0 N2 N6 V5 V& ^3 H% f* Y ]
) i, p5 J W* h8 n4 k# q( K
to initialize-settings1 f$ l: H" q ?4 V/ n- H
% C5 g8 k2 u e* A1 i/ i* Nset global-reputation-list []
5 H4 F ^+ z# J0 O( u
0 G0 O9 k# S6 c- y" |' `4 iset credibility-list n-values people [0.5]
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set honest-service 0- V" f, z4 S3 @) _
) L0 q' M9 D. q1 M' O4 Y5 cset unhonest-service 0
3 p3 c' ^3 x& I- e6 |* A
; Z% q, J7 W: ? I7 [ b5 sset oscillation 02 K! o+ O7 A/ K1 C) C. l
# f6 s- Q4 \: m
set rand-dynamic 0, V p( w9 p9 a+ I" q
end# K6 f! S2 o& a3 K" `; s) J' j) u
3 e; j8 f5 {$ p: q5 {) X& Bto setup-turtles ( U- F* D- i/ C$ v
set shape "person"" K1 r6 A4 h' y
setxy random-xcor random-ycor
4 B2 `9 e F1 Eset trade-record-one []& d! A( ?8 h3 Q' |
7 j. }6 q* F7 t7 c, l
set trade-record-all n-values people [(list (? + 1) 0 0)] , Q$ {" B' {2 e/ ^
# ^. y! w$ q& ] T& z9 Y* c
set trade-record-current []
( G3 c( G) {- u6 H3 _set credibility-receive []9 I/ H% W: m! N& Y% W
set local-reputation 0.5/ W: A1 O U& M- o
set neighbor-total 0
7 X: Y6 v4 n; b% Y# aset trade-times-total 0; a( g s2 Z( F1 Z) A9 z9 i! W+ M o5 n
set trade-money-total 0) ]7 G$ V+ W/ v/ X
set customer nobody
Q4 K$ L2 \" w$ V! N; Dset credibility-all n-values people [creat-credibility]
+ a8 o4 M+ Q6 L5 `/ _set credibility n-values people [-1]
- Y% _& z; z& w1 gget-color0 k! \) q7 A% |4 V
( Q" Y" X1 I, n) f. \
end/ {: U$ o( i5 Q7 k& u/ f0 y5 R
/ g) v, o4 o# n' ~
to-report creat-credibility) v3 N2 r/ o$ ?& V4 L4 U! j, K
report n-values people [0.5]
2 V$ I0 J6 {' e1 J4 _/ M( aend% Z' a9 S2 H! Z# k! e! t- \! n
! g7 t7 c* i4 z" Y
to setup-plots
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: L6 a) ?5 z9 }7 g" T- J, Y6 Hset xmax 30' ^- a/ O$ A% {: ^
: g* O& X( G! x' B5 Q
set ymax 1.0
5 }$ h! [" k) M1 b! k/ P9 K5 H' p1 q# g2 I- O( r( t/ w
clear-all-plots
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setup-plot18 y5 o* a6 b5 l8 F0 V8 `! R$ k
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setup-plot29 K7 l" @ x! _5 d- ^7 C
+ U/ G/ L' x( l; s: p
setup-plot3
; p1 N/ e3 K: o# |: xend
9 y9 ^0 s' l8 P( J; m
! [! F5 ]$ R% m a) g;;run time procedures+ m4 ^) w4 h( G. v
3 J3 W; u8 t$ A3 m2 w8 F; fto go0 |8 A0 ~) Y R3 y, |5 `1 @
& p& S* e% ~% N
ask turtles [do-business]5 h0 o# t. G. Z! u y
end
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; {* q6 i( i9 s/ M( v* k) Uto do-business 7 `! g+ l" \1 |; W( g: r# n
, d( K: d1 c2 |" c7 m2 p+ [* S; L
+ A* x9 }5 m3 g% S3 N, `
rt random 360
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fd 1
$ Q1 d3 j9 L2 S0 S4 }
5 C, I2 w; [: x4 K! O, H3 F9 yifelse(other turtles-here != nobody)[
7 i/ O1 R" E0 S# w3 n, T9 \8 ~5 b( J* q g
set customer one-of other turtles-here- ?1 A/ V+ d/ s( G( {. G5 |+ c9 D
1 d% Q1 w) i# E;; set [customer] of customer myself' S4 `1 o, v, v0 t8 C
1 j# Y+ {. m5 U1 ^( z2 Wset [trade-record-one] of self item (([who] of customer) - 1)
: C: B I4 H/ `1 ^4 H[trade-record-all]of self B4 e2 T- A' o
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 o: Q+ [ s# q
; E, l' ]9 c7 c/ Sset [trade-record-one] of customer item (([who] of self) - 1)" {8 D( w# Q) E$ a8 c. d! M
[trade-record-all]of customer) @ t$ I/ u1 K2 c: I
6 w7 _: l$ D7 q6 p5 F
set [trade-record-one-len] of self length [trade-record-one] of self
2 |% F$ s9 B3 X i
9 i3 a. ]: s1 A9 wset trade-record-current( list (timer) (random money-upper-limit))
$ V8 g& F. P: t- s0 }. a/ x, O: K, Y8 W1 U3 ^! I+ d5 [
ask self [do-trust]
( ^, S' i7 Q- O, E;;先求i对j的信任度1 f) S3 k- ^* [; D* w5 t
. @2 y+ ^: x5 _: t7 ?$ d' e+ Y; q. L
if ([trust-ok] of self): m7 ?! G/ ?8 M: V: r* x F
;;根据i对j的信任度来决定是否与j进行交易[9 r: X* [7 h# F) [% `" }( W, s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
E. |" m$ f; D' h3 \% D' o, E* o! R! F9 E1 f# d! `$ J
[6 p9 V" A- t2 g! _
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do-trade1 o9 b) v$ R) m9 h2 m
+ \5 p6 j$ C! M2 xupdate-credibility-ijl
( l* V. b) p, j1 S/ W, v6 S
' [$ [9 Y8 x' h. F8 t7 R2 [update-credibility-list& z8 P: R( M- I
# J4 O# n* R( C* s2 w- V: E7 p6 x+ O& w
update-global-reputation-list; s: c+ ^/ P5 I4 T! P" A
0 A( A2 n2 e/ g, b9 x+ Y
poll-class9 h1 q7 W3 |5 t' X
9 p# h- P9 u" b% t
get-color
* X4 {8 Y7 C1 K' J& d& N0 M6 P8 ]" F8 \4 v: M
]]
% h( @0 z0 g, I2 t3 j
; l) U" V! J! |;;如果所得的信任度满足条件,则进行交易
; \" l' \% N0 K9 K* i2 A6 S2 _* S
[4 k1 w" n7 a" _& }. d
# D3 u7 N+ E3 r# P6 q' ~$ L( p# Ort random 360
0 y: L* h+ x0 j( e, y$ G# j% y# O, R" n
fd 1
% U' C- y+ k) D
! u) K' Q: k, k/ z- e$ p]
8 d! H2 {' s& M3 ^( X( w
% I: v/ P. d8 [+ n- Yend
/ p. L4 C; m1 R- H U- Q. j! E/ o7 g2 D- @ @9 J
to do-trust 6 B8 ~+ _- B# E9 ]9 I
set trust-ok False7 t% Y g, x# S9 J* f# z
- [) J" h# V& k5 Z, |
& y1 j# t& p# g- Q/ ^let max-trade-times 0& C% L9 C q& N4 v/ Z4 I2 g
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 z9 M+ h' B( S9 I" Dlet max-trade-money 0
8 a2 U, C: J" ^3 R0 t3 u3 D5 Eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% O8 F4 [2 E# ?7 w# c9 _, s( ?, z& |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, O. r: Q% A. ?0 N. @8 W
4 P* g' R- R& V [- R
& _% K' ~# a! e$ q% Lget-global-proportion
& R: ~9 R: A6 u/ V8 P' Llet trust-value8 r9 n0 T9 B5 z9 w0 x0 M4 ~
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)
* l8 b* Q" n* X9 P4 s: Vif(trust-value > trade-trust-value)6 L4 v: s" H- d5 V+ Y: m
[set trust-ok true]! b2 G p, m/ V' t& I! T
end6 y3 R% U, ^7 t8 c6 P3 N
4 o, D' C) f4 A$ Ato get-global-proportion% ?+ U; V; I- d" }% ?8 I& O
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! Z' Z( ~4 A; E" j! f& R6 l$ o+ D[set global-proportion 0]3 E0 }! C; c. s8 B
[let i 06 |" k) j* Y, p6 D7 ]* G. k6 V
let sum-money 07 E: ^1 Z- `3 V8 y, D* s, h. X
while[ i < people]
% z# I' x; ?2 v) ]) t( `2 p[& D0 L+ Z0 B$ G; w9 ? I! y& B
if( length (item i4 u7 s. L$ x. p) P
[trade-record-all] of customer) > 3 )
7 h% N3 [1 y1 i5 B8 G/ Y. O[
n8 Z- q! Y" J$ o) yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))( H! M& [& j! I4 R" m+ R- |! R9 e
]
/ l, {" D7 `+ q2 a]
1 i2 [' h6 N2 u' Mlet j 0+ `" ?1 s% X: J
let note 0+ ]; Z _: N" o9 h
while[ j < people]
, P; K- `% Q' t* y! C[
" d9 _" v% [ u |6 f$ u3 @if( length (item i, D; X+ T9 o. S! b
[trade-record-all] of customer) > 3 )
- c% p0 @# W: c* K[
+ R: @2 L; l) R& @4 w) `- ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 V9 l- i6 M6 D3 c+ ]9 A* x- G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. K2 W2 [7 m# |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 j a5 G" O6 J, @2 W6 a+ q
]
- c/ p" F1 [3 Q" i) {; Q]( r2 I4 a5 ]$ H. y# a! M
set global-proportion note
! f% W3 O$ a [* N* ?: |3 z]. L. _: @, }% O' R+ Y
end
; B3 u! Z: D3 W, f! n( n6 |# M
( W4 c" \; b3 g* V0 t0 kto do-trade9 r0 \! C, e8 p
;;这个过程实际上是给双方作出评价的过程9 O5 S3 ^7 J/ e H3 `+ }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 L! ^$ u5 a! K; \3 p) Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( D1 j/ U( Z( X: j; B' w7 l: Z/ b
set trade-record-current lput(timer) trade-record-current: T2 v: W& T/ ^" o3 l! g6 x; G& o
;;评价时间
; I- ]! t- X5 Q) X e. s$ E- g- q( {' task myself [7 ?( i3 d7 m& \; @2 y, u3 }! M
update-local-reputation+ z0 I3 h2 ]% j8 U
set trade-record-current lput([local-reputation] of myself) trade-record-current
% a; v6 } L( d]7 Q7 }3 t; n) V; D% {6 R
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, @( E, [2 t% o M;;将此次交易的记录加入到trade-record-one中. P' {! L% B: u( U9 w: }% u2 a
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' w" M. ~/ ?) F; o3 E! k2 Ulet note (item 2 trade-record-current )
# n; t' _3 P) S2 x) Yset trade-record-current/ m1 _) k' r a8 z; A3 c
(replace-item 2 trade-record-current (item 3 trade-record-current))6 l {# m1 \1 F: g5 b2 b' E# M
set trade-record-current
3 q! _- d* d, `0 `7 W4 H(replace-item 3 trade-record-current note)
! E I* @% k8 ^ B7 y) [
5 `1 w& t8 O* {" S4 N
! v& c; ^: k0 f8 T$ eask customer [8 W, n$ E$ F" H: z& v* W, i
update-local-reputation
7 ?7 O2 ^9 E9 b6 D; i. uset trade-record-current
`1 R. R( U& t% z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 T. }) I5 j5 Z0 b V
] Y8 S% C$ f$ h3 K. |- v. f! u
8 c9 ^$ R8 P$ r% p. P6 D2 g
" ?& e8 E2 m, p% q# `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ {, @! c. T4 ]+ s: J6 w3 A8 p
) K) e3 O& m' ]6 K: oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 i8 \+ Y) x/ Z ^, S;;将此次交易的记录加入到customer的trade-record-all中" `4 w$ [0 |. r* b
end
; |" g" N- A7 Y8 [# p' G
! k4 F3 x0 v' }! F( x. }0 M$ R* ~* hto update-local-reputation0 v8 k3 I6 D1 y3 U7 S) s. W8 P4 W
set [trade-record-one-len] of myself length [trade-record-one] of myself
# s5 N+ u( y# \9 f5 @7 J, K2 `4 K V8 t) B" _* L$ A( i
" A, W, W1 w1 b3 d j6 T;;if [trade-record-one-len] of myself > 3
+ F* H8 X5 C4 Q( ?2 s: _2 supdate-neighbor-total0 ?" ~$ U. T" s( j
;;更新邻居节点的数目,在此进行/ U; l( H$ s& H! @. d1 n: P
let i 3
?2 p- ]7 d9 {- d$ klet sum-time 02 y6 V1 m6 Z/ x3 }" x. S: z) x" v
while[i < [trade-record-one-len] of myself]: N5 C' P! a) B& i1 V$ P
[* [; g" y8 L" r v- ?
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% v, F2 j6 Q* p* P6 S: ]
set i
( u" }. R. i) v6 Q% |4 A @- c( i + 1)& {- D3 h' z7 G* D- U! K! ~" n6 ~
]6 ^4 i+ e* u& ?
let j 3
8 E2 j0 S4 {) @! }& U( U* jlet sum-money 02 I y4 z# ?! N0 s( M2 t
while[j < [trade-record-one-len] of myself]
) k8 e9 p) Y9 v$ M[
7 n% ^- Z; m: f1 Iset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)& X4 O6 L# w2 W$ ?+ X! u
set j
% v9 M7 }8 G9 i9 S* X( j + 1)
" J. R. _/ ?: n! h& K8 r]
/ |; W1 c! i7 q- m elet k 3: `, M8 q/ V4 Y7 p7 _$ s) A
let power 0. x7 O+ l5 l% d5 u
let local 0- ~# @! d8 l% i3 i/ p
while [k <[trade-record-one-len] of myself]
) C4 ?% ^; u% ` B% L. ~8 x[8 Q: q6 ~1 M H; J8 v7 G- R
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) 0 N7 E. n2 z( }2 j/ t
set k (k + 1)2 g/ G& H& B% K3 H
]5 K1 p2 S2 j R5 i# ~7 `
set [local-reputation] of myself (local)% `( x7 m1 Q3 n- i* {' n
end. H# x: N% I, {
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to update-neighbor-total
6 s/ U5 a. _+ K2 M
2 ~1 Z3 r! o2 F# A ?if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; ^, y) w1 J# Y
# r9 t$ d5 b! ?0 t& t: i
2 S/ J2 E1 y, B( F( Y+ _end1 t; a/ \0 e7 F; w. y/ f
; d+ s) e; `; w
to update-credibility-ijl ) L8 K/ D1 c" s* ?# \
. _8 Q L% h1 t
;;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。
! L% h7 X" F* q* w' r) |) \let l 0+ k" Q# _0 y" D+ \' m7 R# X
while[ l < people ]# U5 t% z' z; h8 \1 Z
;;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
5 v6 T# R7 s! @; F/ D[1 P7 O* p. ~: X$ h
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 V0 L! ^* k& `. C% rif (trade-record-one-j-l-len > 3)
" c* I* {4 E5 Q- ^; @8 h. C5 H% N+ 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-one
$ X* R3 ^+ t" J, \0 F( ylet i 3
8 r! l$ t c" I$ Plet sum-time 0# Z2 g3 T" |7 F& t' ]: w
while[i < trade-record-one-len]6 S/ r4 o; V4 M3 h% k! l0 D
[
- q" W& q- `6 G6 Vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
5 D7 Z1 G7 k& K8 ?+ h0 }) sset i0 a* J# m* ~! A* ^6 U( M" h$ M
( i + 1)
/ `; ?- I) u% u; v+ Y1 |]
1 X6 f0 M: h5 u0 @2 K' xlet credibility-i-j-l 0
: ?! D1 z( a; s& E& d9 u;;i评价(j对jl的评价)* h( H- s/ @& A, }$ T
let j 3" N& @9 |+ C% R& }
let k 4; p6 k+ C$ o" u2 K
while[j < trade-record-one-len]7 r: `" I0 C# P
[
; w$ G1 d8 y, j" O' {- D& C3 U$ i. mwhile [((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 M5 _; z9 x' {% Iset 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 S$ J- m$ J; R' o& U( x6 j1 L/ R
set j
6 `& _/ Z4 [. b3 T+ q* O( j + 1)2 J; T$ q0 l$ H9 y/ l
], A& w- J7 i! h8 D9 J2 x& u
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 ))
9 V3 }! [8 P0 e. `' r
8 D1 o M$ @1 u: O/ G
! U5 v' u7 l8 H" z S9 }- blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' D, D9 \( j m! [% f- j* A5 z& i( p;;及时更新i对l的评价质量的评价
. b- p; g: L9 s- mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 v; i; Q- e3 `1 S; P' {set l (l + 1)! e4 a% m2 s) o, D( L1 r0 [
]: x. c2 }& |! c! k8 E0 V) G
end* F1 a% ]5 _; O/ S) }
" X5 m5 w3 U$ ~; F& {* L/ _" r# }
to update-credibility-list8 y1 c" s* G) `( d$ {! A: H
let i 0 n" R* _/ r b: D m0 ?9 t
while[i < people]
3 k( K+ H$ {4 V4 a[
. ? w! S0 e* V# k. rlet j 0# @8 e* G2 @: d% `' V- ?
let note 0" Y h3 w- b/ M; K, A" ~
let k 02 J( s8 r: T6 |
;;计作出过评价的邻居节点的数目
: o3 @& y" {! p5 jwhile[j < people]1 u# I3 [6 j: W; v; M( e( l, ]
[5 g, v2 K) {& O9 v
if (item j( [credibility] of turtle (i + 1)) != -1)
/ |4 w7 k4 _& s t/ i;;判断是否给本turtle的评价质量做出过评价的节点
$ N2 b% x0 s! F. \[set note (note + item j ([credibility]of turtle (i + 1)))
2 f2 Z% V3 H5 _' X& a5 J+ n% ~2 F;;*(exp (-(people - 2)))/(people - 2))]
& K. G, g- M0 e T" eset k (k + 1)
, v! {" m& g" R8 I. B( u]3 g& G% W; i( b) x' u f$ {! l) s
set j (j + 1)8 d; H0 y: f# F: q0 l* b
]% J9 L6 }( m6 g: D, H) K. V
set note (note *(exp (- (1 / k)))/ k)
/ M6 S* H& f% \4 }3 d) tset credibility-list (replace-item i credibility-list note)" ]/ _- R0 Q$ u3 ^& _
set i (i + 1)3 z7 n% v0 T" u- C# O3 ?* w
]& j' l1 y, @5 _2 L- ^* \0 m# O
end' ~- o( y; ` o5 W% m
# A8 a( J; v% N8 q/ L# T$ W
to update-global-reputation-list
: `* C5 W7 p8 W7 s' V6 Olet j 09 Q6 e- Y) v2 i1 R5 @# ^
while[j < people]6 h6 S7 q) r) B3 o9 ?
[# R6 l! t$ T0 w7 e5 E- p
let new 0
o6 _; |% [8 |+ X1 r;;暂存新的一个全局声誉* J6 |1 o4 ~2 S9 j* X- a( i
let i 0
" L( z9 a6 z8 rlet sum-money 0
! I1 `3 _* ~5 ^3 J; g @* T, ]let credibility-money 0# z( [' m$ @. d! B3 ~+ t
while [i < people]% V# K9 e4 \" q0 C+ {+ S
[1 w5 l+ ~- b* E% ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), L0 _% J4 \1 Q( T9 k, s* [
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ C8 D+ O3 S, |, cset i (i + 1)
$ P( Y2 {1 Z& k4 M; k( V]0 Y& N9 F5 P- x, J6 X3 g
let k 0$ C# Z7 @ h+ O' g4 L0 u8 T
let new1 0" h1 J" b, v" W2 }# `
while [k < people]& b- r9 k" {7 b. \3 ^0 ]
[
4 z% E% d% D) q+ K1 E. K# tset 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)
' I7 }6 q) S8 [: W7 b" mset k (k + 1)
6 n: h' N/ c" a3 |, @# q: m]
- p# K& U7 F( G" U% G1 Pset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ c8 ~$ I- P/ d \+ Sset global-reputation-list (replace-item j global-reputation-list new)0 ]1 P& Y9 v2 @2 q
set j (j + 1)
" l# C! `/ y) V" x]4 y- H! k; L& b% U0 p/ [
end3 t9 _" D9 I0 ^6 b2 ~# _! v0 z2 ^* [
+ r. a* i9 K8 X& i% O# S% b& A+ P) a) M
+ p* \8 {8 U. a3 H4 }* Lto get-color
4 T2 F1 x/ }0 e
* _/ ^2 { z. b' K0 i" kset color blue
( a1 W: @( M" N# zend
+ x$ [+ m) G' A2 @$ j
4 T+ S, [+ t1 u. w; U# E' Fto poll-class# M2 v3 h. E% m7 u8 s
end. Q1 q( A3 ], M3 B4 C
$ X- ^$ x3 V! c. n$ R) ]to setup-plot1
& m! P2 C. a }# B. X- e! _, L2 Y6 V- g5 d* Q
set-current-plot "Trends-of-Local-reputation"
2 h% b9 a! F3 w6 W2 U/ c; S+ W( g
set-plot-x-range 0 xmax
/ k, ~- ` Y7 r8 y- ]2 Q( ^3 a
set-plot-y-range 0.0 ymax" M7 j# ^9 ~/ ~! V0 ^
end* { E6 W7 I; |8 s5 `+ }4 T
, V8 C$ Y0 s9 W9 |/ M+ Qto setup-plot2$ O$ {9 |5 A9 L' A
" b- U( d; V. U A0 J5 U; r% d
set-current-plot "Trends-of-global-reputation"; h0 [1 G( Q) N( K; _
: Q* c6 a5 b, [3 u) O) x- ~set-plot-x-range 0 xmax
4 z* B. O+ R3 x
1 {) D0 z. s$ t0 y! O& }* U+ qset-plot-y-range 0.0 ymax
" y5 X7 T! h- b: N! N6 Y* z& k4 |end
. [) a- p: n) K$ h- V4 k9 z; z3 ?0 r, J8 k( A$ D
to setup-plot3/ u- k2 z/ {. W3 s. L" J: ^1 m+ }
& b6 D ~3 q0 g7 I) Z* M2 kset-current-plot "Trends-of-credibility"* C/ M) ~9 p1 [
) V/ K2 M3 \- t! [& k6 H/ vset-plot-x-range 0 xmax
4 i8 @2 P8 ^, _' V# A/ w7 v( i$ k9 c, `: M, T8 E) f
set-plot-y-range 0.0 ymax
2 r: \: C$ q* x: ]9 `/ zend
% U' A. m& E' V' B; t3 |
: t2 x* _' v& `. q. M6 _6 wto do-plots C4 D: Q7 R3 s; S8 i' Q8 W
set-current-plot "Trends-of-Local-reputation"! Y) R* m! W( b; w8 P
set-current-plot-pen "Honest service"
' Z& m, J5 o8 M& v' F @. Xend
3 ~* `( t1 m3 e4 V% @4 B$ i* M2 m; R) Z5 P$ Z
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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