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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
6 F1 |: j. P$ c, H" Gglobals[6 J, W+ D% m, d6 X. W. n
xmax
, l3 S3 P d% H5 v9 a# @- cymax
1 w: W* S2 O; y' w; Bglobal-reputation-list
( [* g) _0 b. T3 n1 y, \
2 @, U- w( v5 y6 a* J;;每一个turtle的全局声誉都存在此LIST中
# `* C L' ^9 k! ^" R/ lcredibility-list
- x) \+ @# y* h3 K9 a;;每一个turtle的评价可信度; b F. B6 [0 a1 U8 \) o
honest-service* [3 Z7 T t2 L6 Z# h6 E6 f
unhonest-service9 O, h4 [% j% U* s4 E p$ i+ ^
oscillation
9 X2 h0 o9 t/ v! W1 L% Crand-dynamic
9 M/ t, Y- n& e: U& ^0 X]
% z. r5 a0 ~# a0 {4 b T$ c& I. h9 ?* {0 z1 T$ d
turtles-own[% X: h: {# @" s' c% {+ _% u
trade-record-all
( v% ^) [ r( h1 W/ S;;a list of lists,由trade-record-one组成
5 G0 F( t& w6 c0 S$ W; \6 L, X8 [trade-record-one
8 N1 \- Z5 D- L5 \' L;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# E! ]5 b' X4 V4 t+ v/ Q* ?
% N: R1 a4 H$ x7 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]]& o* M. F, O# X
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]
1 f! k# ]4 L+ A# i5 X' m* ?2 @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list8 [& C3 E/ q5 l( W$ l. d# Z5 v
neighbor-total
( v7 g+ J8 w7 w. s( P;;记录该turtle的邻居节点的数目: S8 g4 B( W0 j& ]8 L0 L
trade-time
2 C' \* W: x* j) i" y;;当前发生交易的turtle的交易时间- f% ^$ }$ u) }! P
appraise-give
5 m6 L5 F3 h6 r' j/ G3 F* X;;当前发生交易时给出的评价
0 ~$ v! g2 w, [( ]appraise-receive' @8 N S! G6 q- Y* V1 W8 Z+ b
;;当前发生交易时收到的评价
4 W1 x) s) ]: d& uappraise-time- |5 w3 m* J0 r6 Q; H5 a
;;当前发生交易时的评价时间0 l. V. S' Z* H; V* c
local-reputation-now;;此次交易后相对于对方turtle的局部声誉 e" R b! {: T' }$ y
trade-times-total2 h' q& v. k) O" [+ @1 K/ l& W
;;与当前turtle的交易总次数
3 m$ [6 D! \. Q+ i | X5 Ntrade-money-total
% S, P( [6 G7 e8 P;;与当前turtle的交易总金额7 T: ?& I8 Y6 {1 e3 m: n% X
local-reputation
8 A1 f1 K! j6 Q2 ]global-reputation
$ O" V! N: R( Icredibility& e$ P: r& Y. @
;;评价可信度,每次交易后都需要更新* Z! H1 o# E, I2 H" o3 V
credibility-all
3 y, G4 _. ] d |' B) l; G2 f2 q;;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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; l6 s. @) {( n5 Q/ L* ^& `;;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
! ]$ w- a* D7 Q. q! H8 ` ucredibility-one
, g, l5 d5 j$ |% |;;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
8 E$ o, K$ f9 r+ w# C; O8 zglobal-proportion0 r( B* H* `& Y* X' s
customer1 [6 G2 J; Q) R) C# p2 r
customer-no
( C7 U9 l* Q( U5 U' qtrust-ok
% m8 q! [! Q, ttrade-record-one-len;;trade-record-one的长度
% n) R/ ?4 q2 j1 \; |]$ H* R ]1 j, f- j+ N( w& n
2 G c) s# _5 V9 a
;;setup procedure8 Q- k, K: `; e, N. [. @: {
8 f+ o) m: ^# ?2 K1 g P/ _1 @3 W, k: Gto setup7 w: N. l4 F0 V8 R: @7 l
, U: U# F% P4 [$ nca
' W- a+ p$ `. n+ i+ W0 d: ^
7 q! S H0 I: E6 R% Jinitialize-settings+ k$ {( R7 `3 W# D) ]' E
( }0 i; Z7 E+ O9 t
crt people [setup-turtles]
2 l3 Q: V3 ^+ ^+ s8 J4 `/ _- _5 J# E" j+ d
reset-timer
3 M4 T$ `+ N. G7 \! Q% `5 I
. A9 S% u4 l: mpoll-class8 ^& K+ d+ M# F
+ g' `2 L# V4 c0 _: {setup-plots9 s8 R1 ^& C" w! {" m# G* ]
/ U7 H \: r: j$ i
do-plots8 x4 ^+ \! |5 S
end
) i0 X7 _7 r* q$ _, m
1 E% |( q# \& l# sto initialize-settings
" I8 j( u' R$ m0 E8 Z4 M- s2 f
) _$ D% |) _+ [/ J3 G. v/ x- h) s: B1 iset global-reputation-list []
: w Z) i1 Y l/ }- \5 f' C
& K2 K1 Y2 m) i9 g% G5 Pset credibility-list n-values people [0.5]
! { h5 H2 a, O8 p2 f( @, R" q1 s {! @
set honest-service 0
9 S& ~. E+ }5 Q+ ~% Z V6 ]% U9 J( r: _5 ^" `- c; q9 H( S+ B; b: b
set unhonest-service 0; u; |5 _8 A7 `% ~" o7 i. G
7 M" N3 W% L; s2 c, ~
set oscillation 01 s7 e; S- w- e
" }4 P1 b9 D6 t/ M
set rand-dynamic 0
6 p) @8 t0 _9 ~5 Y3 yend
5 G# @3 _8 [ I! C) I8 n2 }$ a" ^4 m4 L9 w& T4 I0 f6 l
to setup-turtles
+ \, B4 X; m$ g7 f1 m/ Hset shape "person"
0 m- f' |, u) M/ o/ x/ }setxy random-xcor random-ycor( a! ^9 o/ ]/ V4 ? }- S
set trade-record-one []
6 h( V. c5 N- }, G7 ^
: N9 _/ P2 P& P5 A" p6 ^( uset trade-record-all n-values people [(list (? + 1) 0 0)] - n9 e2 X, k/ r( k' v* _% Y
1 u1 W& v7 ~; W( F
set trade-record-current []
0 w' F) p5 Y, v' K+ r* D/ O# L8 Jset credibility-receive []
# M; K) I5 X7 F; N* b) H# P) lset local-reputation 0.5. H3 ~0 {$ p" L+ `# p! }' w
set neighbor-total 0
; H3 g- D% } o1 w/ v& gset trade-times-total 0
" z8 R1 ?! ~- O6 S* Pset trade-money-total 0
' Z, H) f! t0 R" _$ `# oset customer nobody. H) C" B& L% B2 E/ V# L; |& e) v) i* T
set credibility-all n-values people [creat-credibility]! o6 z" ~; w4 ]( ^
set credibility n-values people [-1]
4 g9 A# ]4 |- g. bget-color
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end; \7 p3 f0 s2 t: _# v# _2 f
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to-report creat-credibility& S1 U& k, ]- y/ w: y
report n-values people [0.5]
5 r; f2 J) S/ ?- Qend
- ^! D3 D. Z' [. M5 n" E$ ?; n: |: i* C
to setup-plots
8 Q, Q+ Q9 O2 p$ S6 W. G2 n. H) L4 A/ [2 D' M
set xmax 30( O; H) b. T3 F( R) Q" |" U
( k8 w# z! ~" `! j( g
set ymax 1.08 `4 L. [. p3 c, L9 I
! y% s1 d/ n9 U) `
clear-all-plots
. b0 v8 L- E1 `0 t0 U3 C
0 Z5 H. j! g% R: o/ ^setup-plot1
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setup-plot2
/ T5 R* p+ f2 H \6 d- F( }
! y1 A$ [/ E2 o) Ssetup-plot34 D' t: p0 y8 O
end; g# P* w: _* Q1 j7 l0 V
7 F3 N4 X+ [7 l. Y+ G+ C- @
;;run time procedures/ D8 z4 I0 g9 R
9 |- Y3 u0 v6 A9 Q' h! Dto go W5 P, c: w7 W R- x( e1 [: U
# F& z: Z& Q2 W+ R
ask turtles [do-business]
; j5 h( I, ]- l& v6 cend
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to do-business
- a$ F5 N7 `8 y9 W1 o1 U) s* u0 \. }3 W2 F
$ G' s! j: d6 J, Y/ Jrt random 360# Q7 Z( z/ O5 V
+ w( X3 L# q1 g5 A8 E5 ` ^
fd 1
8 l5 m8 V- J& ^/ Y* z! C
/ n2 f+ Z5 n+ v0 P- `% q( [$ iifelse(other turtles-here != nobody)[
Q! E9 ?9 I) l4 b5 _% C6 n [0 W5 Y* ^0 @0 _: U# n
set customer one-of other turtles-here9 B. z7 ^) \+ c' T! t
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;; set [customer] of customer myself2 Z2 e' M) k6 G* J
8 {5 Y2 u. A! \# L& K0 C# D+ ^set [trade-record-one] of self item (([who] of customer) - 1)
8 c( C9 T5 p0 z# I- z; P, K[trade-record-all]of self* g$ N8 @2 N2 X$ r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' B/ _8 q6 ?- a; j
, c' }7 K. ^9 C) e
set [trade-record-one] of customer item (([who] of self) - 1)4 ]* K8 O P$ I
[trade-record-all]of customer
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- K& ~5 W" h9 V; F8 i Mset [trade-record-one-len] of self length [trade-record-one] of self! q/ m' c6 P5 v& W! L& z
9 O7 f3 j A2 }, G9 j i9 s5 k
set trade-record-current( list (timer) (random money-upper-limit)): x2 d- P Z5 {6 a# v, w- X! w: c
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ask self [do-trust]7 @7 Y8 E, x9 ]. s h* a
;;先求i对j的信任度
+ a' a( o5 E2 x% t
$ t7 y0 o' J k( _1 ?if ([trust-ok] of self)6 k% W' Q5 z' ?+ d. e
;;根据i对j的信任度来决定是否与j进行交易[0 F, `" d2 P q7 o; J
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& H$ L2 m; C- o% E( a% L3 J1 \! @6 _
[- t& i6 c1 \* v4 q5 x. z
& O$ B/ w; ?7 J3 v; i: s
do-trade( I$ k9 Z2 V) L, [/ }4 A
2 a6 _3 d/ K0 ^4 |$ d# d; v& T3 L9 X
update-credibility-ijl
0 w4 h# N" g0 |9 V7 R
/ w6 w( p7 w3 L, U! }, S/ z% i5 ?update-credibility-list; Q* P- L6 z, `5 _! f
( W$ ?6 E* {: x( U n1 P+ k6 C( g; x+ ]6 X3 N2 @
update-global-reputation-list
' ^2 E- b$ C, W; {5 @) W! t9 t- B: v9 R W2 J
poll-class4 H' D# L4 y: Q, E
: A5 W7 x3 `4 \2 P, A/ F( \5 aget-color
7 J, a, j1 i. z* c: M3 F+ U [
8 }) W7 W8 [. E$ {# p5 I0 F: O]]
1 h# U& O1 D ?$ V2 v3 t8 C! l. W' n& \( ?! ?: h# {7 P
;;如果所得的信任度满足条件,则进行交易
8 D2 R, _6 {( C* ?* L6 D8 L$ I @# q
[
7 b2 i6 o. X# I1 i' J8 U/ }" L! s+ F% L# F2 L7 z# J
rt random 360
) \4 s) y n/ d" z- d, u3 w5 u; B+ s# ^, H0 ?& A
fd 1
5 t0 m" H) N6 F% s. J) s6 }2 U3 }, G: g
], H* k& w7 q! p1 W& y9 R# q
2 z9 H8 Q5 _0 B+ m& fend8 ~: \( j t! u0 C; Q
N. R3 X% I! i4 d5 Y) kto do-trust
* [% R+ _% \' E* c# l- [! hset trust-ok False1 [/ p: I% w( H9 ?5 ^( ^3 C7 C+ a0 }
' U9 {0 l% [: _6 i" E! e
# X4 c5 n; ]& W# b, b' Z
let max-trade-times 0
8 b, R: X/ C3 O3 D4 c. p- P6 Uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
. H' O4 z5 }5 F$ G' ^let max-trade-money 0
; L6 w4 L3 Q h8 G m% k* Uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( g/ S* J3 \; h" K
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
t8 ?' w0 ?1 N5 C) h" M N% C" s( N
! u0 w) ^( g2 }: P' t
get-global-proportion/ s+ Q: e1 Z6 d% A' c1 C
let trust-value6 q9 s* p8 K2 Z* G6 }
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)0 D3 v+ L# N; D5 R# K
if(trust-value > trade-trust-value)
9 T* o4 s* n( [# X6 x[set trust-ok true]; o3 M. {; k9 ^* e
end
; H2 C1 z$ I; [3 n3 Y9 `3 n& b
' L( r2 f4 H8 }- I/ wto get-global-proportion
) ^/ y9 ]* P& ~! w4 c6 Tifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& h, G8 P# h6 k- w) z, ?# t[set global-proportion 0]0 K, f7 i" _, b8 ]* I
[let i 0
1 L# G$ J, F3 N/ ^let sum-money 07 ?* J( y4 X. Q
while[ i < people]5 F* j' M! ~5 p% S6 c
[
; n# G$ v0 C: ]5 I) rif( length (item i; E3 R1 N$ M. T+ l
[trade-record-all] of customer) > 3 )
! s+ C$ q/ h) p8 D- \( B[
) |3 S% M5 d. S) tset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 ~) Y- s& t/ s1 A]
; Y& P; F" `! a1 G]
$ H2 W' ]- n7 z0 _" U3 Plet j 0
* }& N7 w) A8 r/ C2 qlet note 03 U. k- o8 f: F0 ^% d. i6 u
while[ j < people]
& v9 r- [" U( n# o7 \8 _8 H8 i0 s[
3 s2 Q n6 Z" I5 f8 Z6 a# v e5 bif( length (item i
: Z1 s- Z% ?) Y: o[trade-record-all] of customer) > 3 )
; {" M/ R: J9 R$ k, `: d[
9 e0 R3 Q3 C; Kifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). U n: M) D2 u, W3 W8 X
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 p$ K) N+ f4 S
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 |, d0 m& X& q5 Y: N \
]2 y3 b# Y' ^! r9 _. E# o2 K' m" A' h
]8 o% k4 @9 Q. W
set global-proportion note; |; n1 m) G% d, K$ S, K
]
0 I( K8 S; h! s# P- q, lend
3 \0 j2 |& U' d- y- P' T1 a1 L1 D4 u
to do-trade! `/ s$ X- g/ }0 U# C( p
;;这个过程实际上是给双方作出评价的过程2 n" D& g+ V- F" R$ q2 l3 }; k/ l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, V0 y0 y, Z+ e. w+ Uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 K9 D/ g/ O. O
set trade-record-current lput(timer) trade-record-current
1 `; L3 {# f" N8 y };;评价时间 e, }4 V% C( i, u2 E& K+ s
ask myself [- t9 h, R% ? w; p" ~' C
update-local-reputation
/ `4 f! j7 R3 dset trade-record-current lput([local-reputation] of myself) trade-record-current
& {" N$ X z4 U]
8 I4 L: G& W' r' rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" G& y+ V- R) W& P; f4 H4 N0 b;;将此次交易的记录加入到trade-record-one中 G! B0 S. k* Z. q" y, Q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
8 y* ^1 J, v/ I$ G blet note (item 2 trade-record-current )5 H! T3 T+ h7 o1 g, {8 x5 }
set trade-record-current1 p* j/ `! X# C6 d! T
(replace-item 2 trade-record-current (item 3 trade-record-current))5 Z/ z# Y$ B" _. n
set trade-record-current
. n0 H' G2 l! n9 i! K(replace-item 3 trade-record-current note)
# A2 n3 `6 M U+ b) M9 ?: q/ X( _9 T- B0 s; n1 k
0 R% \. M/ w# S% v. Hask customer [
* M% y8 w! Z9 l4 O5 iupdate-local-reputation5 w- ~4 b) f# X) R7 s
set trade-record-current
' J! _- W$ o- @$ ^, l0 X. }/ F" x4 c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : K7 V) i! ~2 _: H0 L( u7 P6 y
]. ~ T$ w2 E3 H6 B+ H6 x
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% \6 s: d0 i" v7 H. e$ B
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 S. }( n, T* y Q+ F* n
0 l: h* c- ]* I4 q6 Yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' V' V; O$ N# G
;;将此次交易的记录加入到customer的trade-record-all中
2 x# O1 e4 ?* T' s5 T" xend3 U. ?2 d+ l# l9 _" S3 Y
, f6 r6 k: R) \# E) d# [& Ito update-local-reputation5 V3 U. F! C* r5 H( j: j
set [trade-record-one-len] of myself length [trade-record-one] of myself2 p8 D3 R4 n; w/ A6 l- g& V* \
: o, m# c3 X/ ]; `
; r1 D% P* I' {4 M8 N/ x;;if [trade-record-one-len] of myself > 3 ! P+ q. f$ M9 y6 |% a( K
update-neighbor-total
! n9 [% R0 }# ? y5 s9 H2 ~;;更新邻居节点的数目,在此进行
$ a& X+ u. `# Mlet i 3 e: w( C& `( `. w( v! q
let sum-time 0
Z. X; n! D) K" N; A$ C' Qwhile[i < [trade-record-one-len] of myself], w |: P: B! y7 u
[, x! _8 X! o$ g2 k$ G% E
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): z8 [! I, F6 S6 w. b" J
set i6 h, t% R/ c- J6 e: x& {
( i + 1)* N8 w2 x! ?$ B4 }
]
7 ^9 C: W$ \+ t8 b; W# wlet j 3+ D1 P L( _% ] Y
let sum-money 0: d1 S" G8 A; V' l5 a* S
while[j < [trade-record-one-len] of myself]
9 }3 M. u! @ l" M7 c3 `[$ ^7 \1 m0 K+ d* S' J j
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)) F( l, \ e$ v; P! M. ]3 D" W
set j
4 x ~3 [% n- W4 U( j + 1)
" |6 m; N$ c0 S9 B a]4 ^: F7 o5 p8 J* e
let k 3
* N/ l; k4 G) L+ m4 \8 R J Jlet power 0
' u4 w5 B$ c& t5 n& F! g1 Tlet local 0" ]4 n6 y, P n( u( h9 T( D3 U
while [k <[trade-record-one-len] of myself]7 R6 j# e3 J0 [, W
[* l' D& m2 H. R1 d, A- @3 z
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) 2 }: r3 h+ a( B- s- `% i% \
set k (k + 1)
" {5 i: f7 t/ G& O. h]
3 [4 ?1 a- g) S0 f, j/ Mset [local-reputation] of myself (local)- U/ i( Y$ e8 S7 q4 g" o6 g
end, R9 F) U, R7 k
& g$ s, [& \" e ito update-neighbor-total
- u) S5 d) I2 {! W' R4 m
* W$ G( X+ k0 c7 |" B" ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" o+ A m. b& r$ K
8 e& c$ Y' I2 t3 F
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end6 H# G# w( _5 `' {
8 I4 N/ d& N# c( d) [to update-credibility-ijl : l9 E" p2 |0 `* m8 r
. s% ^% V7 v( Z+ S7 i
;;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。
' U' I# J! S% a- y( Glet l 0( ^2 Z M5 |& r5 M* k
while[ l < people ]7 l8 u0 S3 m6 ?) S v* U
;;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
" v- [/ s2 _; T9 T[
2 X4 ^! }* L% ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)- p: @2 F8 v: c* X8 K1 B3 n, k
if (trade-record-one-j-l-len > 3)+ ^* h5 _4 H; H! j7 F8 d' |' F" C8 c
[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- }0 b$ J1 P3 N. G/ Y* k; r
let i 38 H5 F, W# F8 {# _
let sum-time 08 h" t- V5 I, a3 A
while[i < trade-record-one-len]1 W1 \/ c d+ a5 n+ F% |
[2 a7 N8 \; p0 o# N' ^
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' y y$ |8 p% n# M: z* uset i
, }% @% c2 ?4 f# q# L0 n( i + 1)
! V& c+ P Z. t5 Q2 e" G]3 d$ O# z4 Y; A6 }; z1 i
let credibility-i-j-l 0
" Y3 S& l' t1 L- }+ Y! g2 g* j;;i评价(j对jl的评价)
% r$ J1 B/ w/ ]' Z; plet j 3- m0 c; X6 a3 e) V8 \4 T
let k 49 N( L) I, u. ~2 k) @8 z: ?& a* f G( \
while[j < trade-record-one-len]+ n! P. ~' O# s1 M
[
( U d( r6 a: Awhile [((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
) K- I# j9 u( Uset 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)- @. F, H4 }, ^* e4 M, J0 Y9 S& X" V1 }
set j
+ H7 G6 ?$ p) O- |: T0 j# \( j + 1)- ]: S* A ]; F+ A1 N. T6 G2 s
]
* N8 K7 B9 S* r( ?' [* K0 bset [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 ))
* x6 v# K: s/ ?; q* T* z
7 K( r8 O* [" n7 u( o% Z( K) D7 ?! w3 u5 p; }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' S: H5 Y5 T7 y) P, O$ L5 h
;;及时更新i对l的评价质量的评价9 M. \5 ~6 f7 j$ |) [4 C" h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ s9 \8 s3 {6 t F' Q! a7 J
set l (l + 1) o9 [% q+ K7 m/ T5 d* z& i
]: r& L, d L) E2 h" x* } N* t" F
end' p# c: N( u" n: U2 Y
! @! }# i" [- \" {
to update-credibility-list
; { h/ J! n7 O w f0 ~) _let i 0
( P2 C7 s( ?7 D7 S( Gwhile[i < people]
' I0 h9 [$ d& { d: W; L+ |[
/ i- i- T; D% x) N0 klet j 0
6 e, @9 Y# Y/ h( @6 X4 klet note 0
8 n. s1 J: o% {3 r9 b- E7 ulet k 0: C2 {* M" G, P
;;计作出过评价的邻居节点的数目
n- j5 B# G1 `3 X/ [1 c! Pwhile[j < people]
( m% Q V J$ q" ?5 J/ q[
6 J: {; {- P3 U6 h5 w! ?- dif (item j( [credibility] of turtle (i + 1)) != -1)
6 K: e2 _" Z5 D# o;;判断是否给本turtle的评价质量做出过评价的节点
" r- r: G3 Z, d# E2 v. M[set note (note + item j ([credibility]of turtle (i + 1)))) E' k$ t0 S6 V5 a: \# M
;;*(exp (-(people - 2)))/(people - 2))]( C1 ?6 u) r. X+ ~7 k
set k (k + 1)1 O- @$ [( v9 @# Q2 l+ I: M% \
]
" o% r) \% j @" `4 y$ [% cset j (j + 1) d# D- J$ D1 R5 |( T2 k
]
: J' c" A% `% I" j" W @; aset note (note *(exp (- (1 / k)))/ k)7 x% C* [$ H5 R7 p
set credibility-list (replace-item i credibility-list note)% C( X2 ~3 N, ]8 T
set i (i + 1)! t) ~, r) U; f: S; d9 M! F+ ^* x2 t! z
]
% Y2 k; L; `3 }& d# i# _3 [end. f7 [1 \# f2 q5 c; |' e1 V9 j& j
; f/ k+ |1 H7 n
to update-global-reputation-list) @2 ]9 y' c3 z3 \3 n P/ i" I" O
let j 0
# F" t. l# K% B& v+ N7 x% r! Zwhile[j < people]6 Y5 C# {' |: F" m! N9 W
[
1 v+ d F6 }& T7 H, I0 i& B( i1 Plet new 0* _5 X5 _/ V5 B: O) o: W8 l$ J
;;暂存新的一个全局声誉
c4 M3 E" f9 P3 f! _3 O2 b: Ilet i 0, D4 }" T7 {+ V1 h6 @+ A
let sum-money 04 D+ E3 M$ ]: h" G. B
let credibility-money 0+ ?7 q! D0 c0 U+ G. S& t
while [i < people]
9 ^* q/ Y* q' s& N, v6 }: F# W[/ _( r% s4 }3 o9 z% H$ \
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 W9 I& l+ G% e- C7 t7 g5 D" i, {+ w% w
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. X( \/ x$ ?9 J) H* \. `/ Hset i (i + 1)
) o0 `7 v% p' G2 ^]
) ?( i4 R" j, `) S# }. K/ u4 d5 l$ y2 ulet k 0( W* Y' N- M2 Z4 A" o& S7 [2 j
let new1 0% n: s5 l; o; T8 b
while [k < people]
! a/ S0 x' Y; W5 h* e" @6 e) G[
) ?3 r7 Q1 B6 y+ z4 m8 F% r; l3 S. j. [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)
E) |! `1 f; l, K" W7 Iset k (k + 1)% z6 Y7 I1 T0 `
]0 I% f3 L0 _! ?$ Q: |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 D- a; `( `7 iset global-reputation-list (replace-item j global-reputation-list new)
9 M9 i9 t7 F2 n0 p" a1 [set j (j + 1)
/ `5 e" ]2 \7 W( p% j- G$ a+ E$ e( N] @( m7 m! |, |9 L h4 v# B- Q
end
* M( y4 \5 j+ E& t+ D/ c2 A
6 ~" q% e8 {4 W5 W
$ c3 j9 r. C/ `! K1 Q! W4 N7 W7 e4 x% g
to get-color
1 U8 c# V$ J5 o1 c' a4 E) j- Q; ~8 l/ f7 L/ M! s6 z& ?; f
set color blue
1 ?9 t6 S; P. F5 oend0 W6 C0 Q( f. I3 q0 q* j) c
$ A( d. R- j0 N
to poll-class- B+ `% {& v) f+ o W0 ?
end
9 \9 x& }) ?- X
, Q6 T5 \8 s e$ A* ^4 ~to setup-plot1
) x" _- R3 \% h. G7 s: Q% n. ~9 P" k- E* K- `, o4 \5 }
set-current-plot "Trends-of-Local-reputation"7 V: |4 O8 u, ^1 [2 C9 A" e$ T
$ D' _2 k: y* g6 k: y- |$ g0 c4 X5 Pset-plot-x-range 0 xmax
9 Q+ n/ H- P, }7 R2 d% H* F5 d5 g% r |( S, m$ p) @
set-plot-y-range 0.0 ymax
2 _- X r& u9 \7 C+ W. Q6 Iend
" g) H& @, G1 V" v
; j, D* x, O2 a3 H' Xto setup-plot2* _: i' e# J1 G7 S3 ]2 \
" g y/ \/ c& F( v7 ], b: x% A: A
set-current-plot "Trends-of-global-reputation"
9 J, Z: {% q- K: Z2 w' r% }' e) |: h N1 k% N6 ?) ~
set-plot-x-range 0 xmax
8 P; c4 K, I8 I) f# P: G7 R) x0 c) o, }: w) D, U( N/ W
set-plot-y-range 0.0 ymax- t' Q8 j' u2 `! q8 e% Z
end0 `) ~0 E1 k% y8 E6 ~, C4 Y0 |
. x. _1 ]% }* {7 o: |
to setup-plot3
7 x9 N4 `/ c6 G: M+ e+ _
# M7 D s; x+ X" G* u J* Bset-current-plot "Trends-of-credibility"+ D c" ^& j4 G9 _$ F/ I" ?: y% p: |
$ f5 ^ s) Q9 F& ]! j5 h: c/ H m; Gset-plot-x-range 0 xmax
& R# j: d$ L! ^+ f$ d. b
k2 W3 l5 b: t6 p. E0 f, J/ |set-plot-y-range 0.0 ymax9 u- k+ G- k0 t9 N' q9 O, w4 g/ i
end
2 u; h8 B: F1 s+ o
$ L, h: h2 A( d2 n+ o) Cto do-plots. B0 i7 t# q' I. c) Y0 Y
set-current-plot "Trends-of-Local-reputation"
# y6 ~2 x7 {) Y! t. y# }7 U- H/ F$ Lset-current-plot-pen "Honest service"9 J. I: H/ D% u1 `" E9 u3 f
end
6 a9 o' p, N4 k( Y% U% T# \' ~6 c
! i( d. E1 Y: n4 ?) h5 J) q* {[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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