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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: |4 @ j2 A4 p2 b9 J# p
globals[" h! W. h7 u0 [- Q# R: b
xmax
3 L) M3 A8 D2 `; ?+ t% D& `ymax
4 E9 ]4 y" |1 j: H# }global-reputation-list
5 j* ?2 Y: d- Y2 G3 r5 j' X5 M8 D8 s+ \
;;每一个turtle的全局声誉都存在此LIST中5 C: p' e' V6 G7 q, h6 z8 h( E
credibility-list
5 Z& [& n; J( |" @ Q;;每一个turtle的评价可信度1 L5 l A J" s! [# R& J
honest-service. P! ?, T( y' R; L4 O0 M8 ~, ]$ |
unhonest-service
( i/ j, }8 a2 Xoscillation
" k! h2 K0 h: L- K5 ?' ]% i+ `, `rand-dynamic
' i- `! e& B& D. W1 Z& q y]5 I* `' K. |. f1 ?3 h1 B# n
8 w8 Z1 i% x7 Y, ~ w
turtles-own[ K* x, S) L! p T o0 H
trade-record-all& G" q) `; Q2 R! T2 k- [6 |
;;a list of lists,由trade-record-one组成
) j/ c2 h+ {- Strade-record-one
6 ^9 l8 Q. i' p5 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# f* i; t5 \; x4 y
% s# k ^- Q% ^% @' M( T;;[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]]% ` v. S7 D3 r) X; o! y
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]
: X+ l. p' K, z8 Jcredibility-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! h% A3 b* @% k& lneighbor-total2 t; m# x4 @: X7 e. l
;;记录该turtle的邻居节点的数目
4 u6 F. H0 \6 {3 Rtrade-time$ H% e0 W. o+ s) n
;;当前发生交易的turtle的交易时间2 `5 c: n2 h% L! j# T
appraise-give% c2 Q! H4 J( l7 |, ^
;;当前发生交易时给出的评价$ r4 c* k1 x; R7 U$ ]3 d
appraise-receive/ B* K l* \* V2 H7 O
;;当前发生交易时收到的评价& \' K' Z. ^/ y4 a; b
appraise-time. R+ X1 m8 I) q
;;当前发生交易时的评价时间! R- } D- q. S* _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 w+ V& L; }7 utrade-times-total
5 i$ T0 [5 ~: ~3 R;;与当前turtle的交易总次数9 l& }1 ^* K$ [+ ]7 D0 u
trade-money-total8 l1 ~, \' M/ Y" T1 v
;;与当前turtle的交易总金额, K3 N) }( ^ m8 |( Z+ X9 z
local-reputation
, r6 w5 E5 f0 {3 N; b" lglobal-reputation
: X) a* ?: S( U) C9 } N4 Wcredibility* S) j% K$ }8 E1 B; p" ^4 q
;;评价可信度,每次交易后都需要更新1 Q% A3 U4 _4 ` E
credibility-all
1 ]1 y, y" v5 w" f2 ~;;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9 c; ?8 l/ C& i
) b3 N! r" c3 a1 `$ {;;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, ^6 A2 O" Vcredibility-one
- w7 \! C& q* n+ o {;;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
: V1 G9 S4 G4 x. qglobal-proportion
# H4 s, r! f0 `0 [customer" `, n5 x! i" V3 m
customer-no
1 |8 i. r9 H1 k0 b5 Gtrust-ok# k) t6 ]8 A1 d* T0 A
trade-record-one-len;;trade-record-one的长度9 q' L5 J. u. f* R+ h
]# G) V" f1 ~! }+ R$ C/ E
# V0 [4 F5 b& Q* d
;;setup procedure/ o k/ i( D0 h" N
9 a% y% p* w8 @7 |/ nto setup
6 m3 D* i9 Z+ W0 u' W. g& n
# S2 M; Z8 ~/ x% u4 Y5 V8 mca
3 f8 i5 ^9 T& q, \0 n
/ g1 u; s1 V. ] j- @initialize-settings
/ s7 r- L0 n: {) E3 o# c* o
, W; |& Q$ h6 |crt people [setup-turtles]4 h* L( x ?$ V; f! J) Y
3 @; E- p/ M- p/ t, p
reset-timer
; f; F0 b! X1 P* v/ Y' N2 V3 z- l( s
poll-class, G \8 _9 t* y( ~6 O
4 g9 g8 U$ t6 d2 i
setup-plots" J5 q/ w# [; M, |$ V+ W( `' b
! [% s5 Z0 B5 B \7 F6 W
do-plots) `( U! y& }7 I4 y3 g
end+ P) A1 x+ T+ C
# D, }0 n2 d/ R4 k& H& V
to initialize-settings
$ k6 L7 {% S5 _& \
* B6 g% z8 h8 F" nset global-reputation-list []/ K/ I8 C8 H s5 m9 B" v( F
9 w: ^' x: r3 Y
set credibility-list n-values people [0.5]
: R7 m2 ^5 O3 R+ X2 n# P8 s# v- i7 C2 f5 B: |
set honest-service 0
5 ? ]* h' K1 p4 C# I4 Q
' O- l- ^% U; `( _3 z& y8 oset unhonest-service 03 k5 o; c' k! N1 A& Z* e- Y
) e$ k2 U; \" x7 r4 U5 j fset oscillation 0
. u6 a3 T3 i4 r* {2 {: C% k
# b/ ?# F) m3 ]+ jset rand-dynamic 0; @9 V9 C* C# m
end9 C) W& H8 u8 g: E2 i
* O+ M( T% u9 Y4 F) S/ S
to setup-turtles
7 c7 t Z7 A$ n2 U7 Q7 l _set shape "person"
, V$ {' v# w6 T9 o. rsetxy random-xcor random-ycor
( L) h2 K; T2 v( h+ Zset trade-record-one []
/ L# {/ U2 ]. h7 Q- S& w. k0 u7 \/ [# K0 I0 q4 `) i1 G
set trade-record-all n-values people [(list (? + 1) 0 0)]
* f! u" ^3 E/ F: }1 L5 x
; s4 r7 ~: g' nset trade-record-current []
4 I X t, O! s5 F- k5 a. I) R$ Q4 |set credibility-receive [], E* g' n( Q! [
set local-reputation 0.52 F4 N* D% Y2 J- p1 e* O) E# k
set neighbor-total 0
* F" R; S$ z R, w2 t9 dset trade-times-total 0
+ ]! {+ T! W g7 tset trade-money-total 0
/ o+ V. P& d% C5 d- {0 tset customer nobody$ S2 T2 ^" T- ` D8 F7 H- p* b
set credibility-all n-values people [creat-credibility]
V6 i+ Z9 J4 r1 F9 t9 Z; b vset credibility n-values people [-1]& I) |- F& v+ \" s8 n
get-color
) f; A* W, M; Z5 @
$ }; v* k; s' u; C4 d8 @ w& t* jend
; G7 G- e6 l; j8 w# I# F1 U/ @: F% }+ K
to-report creat-credibility
: @1 k# k3 w3 ]report n-values people [0.5]
: U0 ^; {! ]) yend5 p) Q3 z; u4 F' n: B! r' h
4 n" {9 m) m y/ ?4 l M' T! t
to setup-plots
# W( g- U, c0 M. q7 v7 d+ |
+ h. t6 H: ?, V$ O' zset xmax 30. H1 h# V H9 q( J1 x
; u/ m4 {/ I3 f. @/ j
set ymax 1.0& \$ E1 ?8 w8 B* ?' @
O% G: B+ O0 P/ fclear-all-plots
8 t& [6 v, x7 M% c- E; W
% h' f3 e$ w- F+ G; hsetup-plot14 ?! X: ^: I A; a" |( i
C+ B0 B( i/ @7 p! q! gsetup-plot2
1 m4 F& t" @8 A; s. ~" C Q2 y8 R- G) `2 f* b, o
setup-plot3
7 l% D- U* c7 I; j. hend- k2 A4 A9 y- t$ r$ [
0 g# S# w1 J9 x0 B;;run time procedures
3 }. j- y# F V4 g @5 v" O3 x e7 v8 Q& F. Y- F- t
to go
0 h# P! y& W9 V) t/ x' {
& ?# J) ~9 J% v7 Z Z9 qask turtles [do-business]
$ e" w% r$ j/ E) j) A: Yend5 W& w) A/ z6 s: d- O) t
1 W1 R$ d. |3 A0 f- U1 U F8 R/ P
to do-business ( p7 F) j( C: j5 z7 [" f
* j- @& k! I& C, m/ S# Z
7 C* w8 ^) A1 H- z: \rt random 3609 _8 H0 F; |6 d& h
8 N5 y& _" O9 N* B% Efd 1: o; X" h% r0 a. d- J
# D9 C8 i s z# x6 e7 c& s
ifelse(other turtles-here != nobody)[- R. @( N l( s8 p
% w' V/ c. M9 X3 d9 H( `* o( Z3 Fset customer one-of other turtles-here
! h& Y3 C) L: M. l9 o* Q6 f8 V/ j6 M
;; set [customer] of customer myself( ^9 {& v- t7 D+ N3 l: I. s
' V% F- o0 p# ~) B9 K$ }set [trade-record-one] of self item (([who] of customer) - 1)
% p3 O5 p* M5 R" Y5 u: G9 x[trade-record-all]of self+ ]3 q# O, h) b! e U$ O
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 F$ j0 _" N0 W
$ _8 b* J2 e% Z/ X( Y' U
set [trade-record-one] of customer item (([who] of self) - 1)4 f' \+ B+ O1 d. g" u4 @
[trade-record-all]of customer, p0 t# \, j+ N [8 `( p
, Z1 n* f( p3 _set [trade-record-one-len] of self length [trade-record-one] of self% x+ |, L! i, ?3 }9 {
( j) L0 r5 d/ q F4 W hset trade-record-current( list (timer) (random money-upper-limit))4 i, e* o7 ^" M3 }* o1 [+ u
) e$ T9 Z* E1 ^
ask self [do-trust]
9 C; ]- E3 O0 N3 A;;先求i对j的信任度
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if ([trust-ok] of self)
8 y+ C' n3 y9 a# O/ Q5 O0 ?;;根据i对j的信任度来决定是否与j进行交易[! k5 N8 s! T9 v/ L
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[. |2 Z6 d0 q0 H
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do-trade
* p* p. f2 [- G, t
. R, r0 Z# z, M2 b: `update-credibility-ijl
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update-credibility-list
6 \( x. g$ y0 m2 T/ q$ s8 o) q& A) h) W% t
2 s; A! y& G8 R# g( H! N) yupdate-global-reputation-list
) G5 s3 s( p7 z" ^9 E& o( z; a, W5 y$ h5 ]- c5 w
poll-class
8 Q, i" V. Z# t: ^1 A, O' n# x* A% J- w5 U
get-color
1 H" V9 s9 F4 O- j% \" i0 O3 X# i5 b+ P' G6 P' G- p2 I3 y
]]* j$ |) V% h' y1 R( P! z( O+ ]
3 k! u* M; c: W7 P% a, x;;如果所得的信任度满足条件,则进行交易1 G6 d4 e% ^. i% ^& u
7 J1 d& Y' @' \7 g i+ z
[
4 n, y4 B; l8 n" p1 ]
; |% ~& I4 n% M" u! ^rt random 360
# } |! s5 `6 [, C5 J' L+ d& j7 `8 K5 @, o9 |
fd 1/ J; A+ L# Q+ ]# c. X
# f: U* O. _$ {], U& ?$ y; h Z" i: S
+ `) O" k% V) aend: g# i8 O: P. p+ {% l
$ [' E* t! m" C: mto do-trust " D9 ~+ |4 Z% w: g" v7 M
set trust-ok False
/ e+ f0 U$ k, P' R# b* F- J/ x% `4 ?7 T- w% N: i% \
# e1 H, o& ?: [, @
let max-trade-times 0
2 [) n8 f4 d0 j$ V& X! Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 l7 G# m" u7 x
let max-trade-money 0
/ K" D" q9 V2 ^6 g" fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& z% f9 n! e9 ~! ~0 `5 q( X" ^' _let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 e; e" ~! E7 Y+ [ B. U2 K, x) U D) S' z1 s/ K
- T9 O% X7 H3 l" l3 T3 S- ~ N
get-global-proportion
' ~- u! S; c1 {1 \# u K, plet trust-value, i2 S2 [* y% \, f2 |( u
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)2 m# M: \* W. ]" y. g
if(trust-value > trade-trust-value)
; f+ ~" w5 r2 j! v[set trust-ok true]
" u. P( T. h- i5 J' u% Bend2 `" V. Y4 q" T! |5 y5 P
]: J+ l9 g( c2 B2 i
to get-global-proportion6 G2 W& @" R5 t/ t& Y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) G3 g8 ]# f/ z1 k+ n6 M
[set global-proportion 0]
; e1 d' n( C5 s9 O+ d8 Q; s[let i 0+ Z( s& b3 e8 `7 P1 H1 H$ h
let sum-money 07 J- ~* V" D2 ~* O
while[ i < people]
' _& [0 G W7 z: a- b[7 @, r0 L9 p1 t* ]3 n: G
if( length (item i) e4 Z5 t( _$ I6 G. d+ f- `3 f# X7 \
[trade-record-all] of customer) > 3 )
2 D# P& S" e- l' e: j, z[
* w S, p8 l( c4 A" h$ [2 ^set sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ o, L- j4 Z7 o. R, I
]/ [; {. Y/ z. j! J5 o" g" b
]0 f2 b! }7 `8 S: f7 t3 U% n, A
let j 08 K$ @3 I. i+ `( [, v3 _
let note 0* r2 f1 O2 j" d+ B3 `
while[ j < people]: J/ A5 t. {) y! W( k/ P# o5 M
[4 v3 E e z- G: T% w7 H. n
if( length (item i
7 U' m' m7 t+ h+ ^) }9 e[trade-record-all] of customer) > 3 )3 ^# n- H- C) y+ h; g# |" v
[
4 I/ | `$ }6 J6 C1 s) Hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
- |5 J) T# q, K5 O( z( H[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; |6 S" R1 a# f m" N[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]5 L0 [; |1 V6 F7 ^
], V; V& w% \( B$ n7 c! Y8 b5 [, `
]' Q8 E% Y) F0 r4 h) }
set global-proportion note h. y0 y; p; q/ D* h9 [
]( B9 S" b8 x: i9 I. H6 ^2 k) \
end* X) `0 h2 G/ R
8 p% `4 N) e8 u% gto do-trade
2 M: \: N2 E# T5 d0 L Q;;这个过程实际上是给双方作出评价的过程
$ U: o* `; i! u* ?& E4 Q" Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价! F* r! B- F0 `' I( w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ F* D! W$ o* H7 fset trade-record-current lput(timer) trade-record-current8 m" t8 H9 v. Q% E5 N
;;评价时间
9 s/ X3 Q' S. [9 Z( e" ]; Q6 ?* Vask myself [
* i3 L, u- t; y# X3 Zupdate-local-reputation2 I0 v9 r# v( \6 I% I5 W
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 Z) [0 Z* M# d2 b. @' C1 b]4 {" w- W) v2 U: m% o! w" B
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ ~0 u! M/ z* {6 e0 f" P- [
;;将此次交易的记录加入到trade-record-one中
2 t$ v- C2 }, c# G& gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( C6 T9 a( L0 p2 t `0 X1 U
let note (item 2 trade-record-current )/ q3 r, J; C8 e" ?6 o
set trade-record-current
7 f: c6 K* j1 r$ e(replace-item 2 trade-record-current (item 3 trade-record-current))
+ E# v( q7 Z( t! f" }( d" D6 ^set trade-record-current- t3 {( L) x( ~( O( @2 w
(replace-item 3 trade-record-current note)2 s8 E( ~" d0 B3 f% U+ n
$ [2 Y0 y7 G" m% r4 s; {5 m" x) I# B2 K+ m- ?5 d
ask customer [
/ [$ k) `! {) R( @/ {update-local-reputation
6 c, ]0 P" x! Z# f- X: sset trade-record-current6 Y3 S6 M4 T& B) P; ?- O( ^0 r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
+ p- k# m% y$ S2 ]4 R]7 e7 k' g% w0 o2 t# O3 O
. ?- Z, b8 [* }7 |# T% V5 A/ U( t6 X f) f! q1 H3 I( k
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; `. b% y# s# n" e+ O' y, A1 k% c! ]7 \
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 u1 K* s/ [9 E/ a3 S;;将此次交易的记录加入到customer的trade-record-all中" f1 W. u, i4 w' @$ m/ a1 P, _
end
/ Z* m3 m- W5 o- Z+ p" F9 D ?: T' p; r+ L
to update-local-reputation
: o: N" M; }( r ^) ]. Mset [trade-record-one-len] of myself length [trade-record-one] of myself
, P+ n. U c7 H' b- e1 S) Y$ j' I
1 T- s: A" T' b$ ^0 H0 g2 w+ ` z }0 D) _7 u
;;if [trade-record-one-len] of myself > 3
! J2 v9 |) B# {* ~( Jupdate-neighbor-total
" ?7 u2 Y9 V+ m8 V' y;;更新邻居节点的数目,在此进行
6 `7 L: a. @' [2 }8 e+ W, L2 j, r4 @let i 3
B4 o. D* l1 y& U9 d- f1 B Qlet sum-time 0% l; \2 M0 L: A/ j5 R
while[i < [trade-record-one-len] of myself]
& {1 J7 A" k' A3 X. ^[
u: e1 z+ n5 h- K8 ~" c2 mset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )* b& R. ^* D$ U; C. e! s0 \* @+ ^
set i
7 _- `7 R6 s1 c) {( i + 1)
/ m% D! y; t r2 H- q! t]. Y5 J. G7 R& o, a
let j 3; G1 N) H' D' p% H/ m" r% T7 O
let sum-money 0
: ~; @: A% \$ uwhile[j < [trade-record-one-len] of myself]# S3 |% A3 l; N1 [8 ?$ I
[
/ I% s6 n) `* ^; \1 }+ Z, W! a& Uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)4 r6 R# A9 P9 F+ \' X
set j
! h/ C6 W# e+ @' d( j + 1)
I2 b f6 j+ f3 }* X5 l]
8 r3 E$ q9 v6 \' Olet k 3
! l5 W8 D* y' t& b9 N9 Alet power 06 L, P \0 R) X- E" Z
let local 0$ X6 h0 A: }: f
while [k <[trade-record-one-len] of myself]2 [$ |( w( S; j+ W: m
[) s' v' J) }; i+ S6 j5 Q1 n
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) ' \# [8 b; j6 x! `# t
set k (k + 1)
; ^: ?$ i1 d p9 M7 b5 \) ]]' @5 H9 @; I# m, A! J- I, m s
set [local-reputation] of myself (local)
8 s; N ^1 I) k7 i9 e. gend
8 N/ Q$ P' E; B) S! d5 g( r1 r0 A- T2 i
to update-neighbor-total( }( K h1 l3 f/ x0 z6 t S
0 [9 S6 o- }% ~) c! [
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! w/ c) c# {7 ~
; g) V0 ]2 h8 Z: J( I
9 x; U3 y E$ g: x7 V' l( x3 |end0 O6 @5 {6 }0 u7 ^8 F- D
+ ?1 K& N9 H+ r; j, Z( \
to update-credibility-ijl
# G+ L( T. ]; E9 K* P% B$ `0 p9 B, W. F
;;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。
$ j- ]( S4 I! N6 \% E& ulet l 0
/ U1 B- u( M+ `, Hwhile[ l < people ]0 v$ O9 k! X" X# 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ ` x! N: R6 M+ \. M2 Z) K
if (trade-record-one-j-l-len > 3)
' g4 k0 ]3 K* i1 v' R2 o[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
. h" W; S9 U4 U( D( ~let i 3$ e- x7 B7 S$ C# X0 l) E
let sum-time 0
3 L; G _% u8 p! {. _$ W& fwhile[i < trade-record-one-len]1 N) `& _6 r) Z; [( T
[
* B4 e2 e y& `9 B9 W) i5 u, @ s sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# E# r( a" u8 M) \
set i1 }, \$ s6 ]3 {4 ]9 X" V
( i + 1)
2 O' j7 F! o, p4 @]
4 G$ i# o0 A' |- Q9 [( e, W1 Qlet credibility-i-j-l 0
* o v+ Z" r+ y; M;;i评价(j对jl的评价)
: g" }' u+ S$ X2 Olet j 3" u. D5 j) C3 z' |8 ?) c+ V2 b
let k 4
/ T. s- [! J% d/ x9 `+ Fwhile[j < trade-record-one-len]8 M2 e& g2 g: ^! B' }) i/ s
[: d: G5 e# J2 G3 j$ l1 G" c; H, v/ z
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
* k+ Y1 C7 U u* c5 I7 u" tset 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)
; Y5 f1 Q! E6 ]4 V; Qset j! x; I5 v7 I3 D6 k0 j. I4 ]
( j + 1)
7 a% B! `0 m' [7 I5 ~0 K]
9 {& _1 S5 y% w, Mset [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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0 x' y/ }) k. S1 J. e
3 v# H4 x% J4 V7 S4 ~2 {) Z% glet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( ^; Z8 Y9 h( \" L4 D3 S0 q
;;及时更新i对l的评价质量的评价
( E8 l/ W, x; ]1 A! L# aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% M/ @3 p. |! G# n% N
set l (l + 1)4 c; t6 K5 o: ]8 ~/ N
]( W$ @, D4 i- j, Z* I3 A
end
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to update-credibility-list
8 a! J5 M" `# X6 u/ Flet i 0
3 E. W( }: }: g9 [while[i < people]7 e0 j8 y1 g7 L7 @) g8 z
[3 A6 a" ~6 o8 q: S* n0 m6 y! \/ Z
let j 08 { W- \$ v! _1 E
let note 0
- y! ?- | H: {) ~let k 0
9 D- F# F+ B6 H& H+ b;;计作出过评价的邻居节点的数目
* P) |$ B, q. B5 f( h7 h: z2 ^: Q. Ywhile[j < people]
2 u4 l/ r- P' P5 k7 v3 p: j: y[
& w: q7 J; b8 D+ s% q: i1 Kif (item j( [credibility] of turtle (i + 1)) != -1)
* A4 J2 d8 R: H7 s4 i4 Y3 Q+ I;;判断是否给本turtle的评价质量做出过评价的节点
0 P4 b5 m, F4 A" a* X4 I* t[set note (note + item j ([credibility]of turtle (i + 1)))6 Q. o- f- D! U5 W+ V# f
;;*(exp (-(people - 2)))/(people - 2))]
9 h. q2 u% t. V/ v3 hset k (k + 1)- k2 o# V% `- ]
]
. t% G) R5 c: T5 O1 rset j (j + 1)
& T4 t# ?7 j; r' b( P; R]4 a$ \% D/ Q3 _. `0 i
set note (note *(exp (- (1 / k)))/ k)7 m s- p, X" H/ f' e3 X) t! ~
set credibility-list (replace-item i credibility-list note)' N. {4 z! t% N( A
set i (i + 1)
% E2 i( S. E: J* c* q5 W]
: H$ t0 k& s; {! I. r7 M( O; F( aend; Z0 h5 C8 |4 F2 y7 V: g
9 p: [* K. o6 N, i' j" `3 d
to update-global-reputation-list
* m# J* T9 Y. x6 X# `1 u' J e4 K) R! ylet j 06 `% A2 N4 y5 T, D
while[j < people]
+ R1 C+ @: R4 o) \9 J& K" ^( e4 Z9 v[2 \/ |2 j3 ^7 n3 s
let new 08 {7 Y o9 V8 w# w/ d4 P
;;暂存新的一个全局声誉( ^0 a; k. H3 ^ L ^
let i 0; B1 v; y8 J* @5 U4 e& ]* |
let sum-money 0
+ ?/ V* _; A) D. J" blet credibility-money 08 K+ y) Z9 ?- K8 l/ }
while [i < people]) _8 T a8 m e- x
[+ x; Q7 S( j9 i& y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
% A5 V5 L; z" j7 fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- z. U- H; x" @* Eset i (i + 1)! v8 ? y5 O+ s0 n- b6 O' L
]* K8 U5 h. Q7 S2 q/ l3 `
let k 0 A( B2 a; k) Y: l
let new1 0% W8 }6 j0 A9 u4 n, x
while [k < people]7 u7 {3 t1 v7 ?" p2 ^
[
; o6 Q- T. w7 `0 O/ Y2 [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)
5 n9 \& N" n, W- H# o0 i# W% Iset k (k + 1)5 B% ^0 j6 p" E, j, V; q
]
; ]( _- M" R3 ~1 b8 kset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 M I8 v) l% n8 I x+ xset global-reputation-list (replace-item j global-reputation-list new)
6 o0 H$ G3 ?6 Tset j (j + 1)+ g) ^8 ?/ P% F8 w4 X7 K
]* h& B" j, k6 a: b0 R7 B8 `+ l, X
end
# r; L T. ~: s7 r z I7 S+ |6 l3 |% V2 a$ H& h' X
4 G% M. V8 c& m5 U! e+ V: C* f8 @% X+ [9 B& q+ h7 l( N/ a a9 `
to get-color
0 n4 n4 r! ^6 y; B9 S' d& [; Y. s( Z; D2 a9 d
set color blue4 o y/ k3 W( l
end
4 T+ ~5 p; R: E0 H* ?8 D& v- J
* ~. k& v+ R: Sto poll-class# t' u* s# @4 F: ?: Y
end2 Z5 m2 Y9 s5 ?5 F
. e( `9 H( ^% Z. @& p F9 Oto setup-plot1! Q/ t$ j6 h2 N2 L6 K/ o
r3 T# Q5 B4 I0 k
set-current-plot "Trends-of-Local-reputation"3 O+ e( ]1 g6 S9 U! j
/ g+ \! E. K# K9 G* ?7 ]
set-plot-x-range 0 xmax
3 Y N1 ~- u! \ Y( f* p* G- U; [2 ]1 ]% Z* J) V
set-plot-y-range 0.0 ymax
8 Z6 B7 t; a: w0 Z: |% s+ J Q: D0 C send
1 R7 U- j) E, Q: B0 F2 E
# \8 {# s$ @* S' Nto setup-plot2
0 L6 K* {. j7 h) v: K' U- N0 Y$ Z! x {5 h* P
set-current-plot "Trends-of-global-reputation"$ E( C6 L# g4 N
# v* a# F: h q/ S @1 L7 z8 C
set-plot-x-range 0 xmax2 ^% `2 S/ [* C {) D4 h
0 `. v1 i# {' F) i
set-plot-y-range 0.0 ymax
+ T; ^- |1 k7 `7 R- v- v. l3 Send
* k5 O. k, g* S. y" ]3 m
! F% k3 [* R9 }to setup-plot3
5 e8 f9 j! J1 A
+ W1 B( j* f( f! C( Xset-current-plot "Trends-of-credibility"% P* P# ?# l7 d
+ v% Q1 Z+ v' B8 I1 L6 W" I/ W( Tset-plot-x-range 0 xmax7 r3 G0 n- Z; |6 z; g( j
# N1 k7 t! }- ^( P! r9 n
set-plot-y-range 0.0 ymax6 y. k. c/ u4 D; d: C- ]+ \
end3 J6 e$ W) \2 a
, Z/ ~$ l$ _7 R: R' a- Nto do-plots
% o s3 q. \ W6 Q8 n$ N$ M4 Oset-current-plot "Trends-of-Local-reputation"
, |8 J8 V0 c1 [4 `& z8 m2 nset-current-plot-pen "Honest service"! z" l0 Q; O' \' G$ B
end, ~) W$ `/ t. W. k e9 Y% s% a$ t
; p# z- {2 ]5 m5 y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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