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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$ @! R4 J; |- ?# q0 U
globals[
9 z3 O2 `( [7 p: Z8 Vxmax6 ?" _1 ?" A' L+ k5 _; t. M
ymax
0 z& ^1 S. ], h7 |7 bglobal-reputation-list
6 }9 B; V: d- |. W5 s/ [# a9 J
9 H7 O8 P L! c;;每一个turtle的全局声誉都存在此LIST中
0 P( _. U3 \; B7 S$ B4 K% `credibility-list
: N- }- u) K: N7 Y2 e* V3 a! L9 V) x;;每一个turtle的评价可信度3 X# i4 ~& |3 K9 S! u ^
honest-service
# D9 }, o R' ]; Z) Ounhonest-service
, O5 S; `4 ]2 z$ Goscillation
0 B" [( ^! x* y" d; grand-dynamic- E8 z' _. E6 [5 H+ p+ t
]; }2 D5 N m; w! A. B
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turtles-own[
" Q) l$ o! P1 q5 C1 Dtrade-record-all: }1 F" R& H7 w
;;a list of lists,由trade-record-one组成6 X+ E& w+ I) z$ A
trade-record-one" [# C7 M/ \1 N0 d+ O6 _' 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! C1 _& J3 t' T6 c E: s
/ ^$ ^4 \% O7 u
;;[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]]
) b4 ]4 J% C8 `% ?0 w$ W0 r- e o/ Ntrade-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]2 U0 |# ]9 q2 t# f b
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
3 ?. r3 w2 N% k1 y. n0 Y# x* hneighbor-total" K6 X8 x! @3 H. A2 P+ J- J& F4 a5 g
;;记录该turtle的邻居节点的数目# M! m7 g1 s( e @
trade-time/ L0 O* m* {5 ]/ I( Y; a
;;当前发生交易的turtle的交易时间
: ~- [$ [8 Y" F0 V) d F% \5 G& Gappraise-give; Z' u8 {: a8 k
;;当前发生交易时给出的评价
8 n2 [, u; N2 X% @7 {; @appraise-receive
* r5 ~7 K( t2 C4 @* T0 h7 U;;当前发生交易时收到的评价6 f8 g2 v, ~' N( Y* u
appraise-time
+ m$ N; y+ S0 m$ c6 b2 x; ^7 a;;当前发生交易时的评价时间
/ m( O* d- g8 Dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
% P: c( K z% _trade-times-total+ f! m' W# ]: q/ ?" G
;;与当前turtle的交易总次数
4 g* T0 L/ E) }6 T- @% ~4 Qtrade-money-total4 } |5 c5 B" E! S
;;与当前turtle的交易总金额, ]; w3 p3 M4 X! \1 ` f0 I
local-reputation
5 E3 Q5 K0 @1 e I5 A/ dglobal-reputation' B& h6 O3 D7 O s l
credibility
6 I/ Z6 T! S! b+ ?;;评价可信度,每次交易后都需要更新- x9 o0 v" u* C7 ]* y8 r/ l- |
credibility-all
! v, `8 c" E2 e7 }* s% H# B" 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
7 S& U( V: ~/ \! u/ f+ [- x
' J% a, m1 R' P% J N9 w;;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* o- e' h5 z$ r4 w1 V, Y6 j% N
credibility-one
4 z/ x7 j: V R) ~;;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" V: v* u$ t( E6 W
global-proportion. ^/ R8 T `! y1 g. p) u
customer9 J! X2 V, O' |8 c! I2 ]5 y
customer-no( |0 |# @" D8 e5 s
trust-ok2 H6 f2 C) l+ _4 x
trade-record-one-len;;trade-record-one的长度 Q! V! ]. U5 k( @& \1 c2 ?$ M* U
]
4 k* G: r" w+ t8 P* l
1 s( c" J8 e3 A% A% t5 V) ?;;setup procedure
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: `5 q1 n) I8 [to setup
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ca% }# @$ T! [, N$ _& y
$ F( p! W4 @+ l9 Q/ @8 l
initialize-settings
/ t4 j U" y/ O* v, x0 n _, ?
; B! d2 s' Y6 D. F* }& T6 Pcrt people [setup-turtles]
, w' ], c: |3 O! j. x, ^; m3 q! Z. k1 A8 s2 I
reset-timer
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poll-class
; t% Y" W7 E. u
7 f0 O' s9 u1 ?- n4 Nsetup-plots# \. h0 n( f# D* a
/ q D+ H: s2 B4 T! ddo-plots
& H, f8 O: T- Tend( g, s1 s" o9 L @2 T& Z+ P6 _
9 d/ Z# \2 q0 h( _; h
to initialize-settings
- Z( K: w* {& U3 v8 a( r$ w1 T
0 M4 b2 {/ {% _1 T$ s0 d( Pset global-reputation-list []
6 w& O+ `. z( g
& m0 Q( o8 t( `4 {. e' C0 oset credibility-list n-values people [0.5]
2 P. `5 ?2 v5 a: J+ p. E3 [
& O ?7 O7 Q+ Oset honest-service 0
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set unhonest-service 0
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set oscillation 0
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& F% i$ l1 y, Y' Y5 Q' G) Dset rand-dynamic 0, E8 Q/ `7 `- ~" x6 ~/ }
end" u E7 q# }4 w' M+ V) M
; `3 k+ ] h2 i) H5 U2 n; n& E) Bto setup-turtles
" `: B4 Q) {. Wset shape "person"* V e/ y" Y' \) p. \2 ~. i& p! T" r+ g
setxy random-xcor random-ycor
9 h- Z: Y" J& m6 |& M0 f' wset trade-record-one []
3 {0 T7 ~6 U4 }1 {% ]6 Q
' [0 F% j, d0 n$ Yset trade-record-all n-values people [(list (? + 1) 0 0)]
1 j" }- t# R% i/ d6 ~7 j) c+ L
- ?. ~% k5 m6 z, ^0 b- h% ?set trade-record-current []$ x- M" c. i$ w0 R8 N3 j( P% w& Z/ w2 R
set credibility-receive []) q' U) _) i' Z1 [0 T. E+ G
set local-reputation 0.5
! d; q( w+ B3 p( kset neighbor-total 0" {0 e' S E1 v+ T9 T. w! J- ?4 ~
set trade-times-total 09 T" @% y0 m; m7 x) J
set trade-money-total 0' m8 _$ I @* h- g$ }7 j% D, H! \/ b) V
set customer nobody
; H6 ^( W6 s/ P+ n/ Q) ]set credibility-all n-values people [creat-credibility]
z! K! B0 k: R7 U/ P0 b1 Gset credibility n-values people [-1]
7 s! r3 H ]# N U+ f Eget-color
6 @( v* t- ^4 V( l+ u8 r- V6 c; H5 F; P% u/ l: W
end
9 N+ c7 ~3 m8 b) \* E( B2 |- t2 G, x& Z0 u
to-report creat-credibility
' V5 s; H/ p: b" P2 d$ ^# qreport n-values people [0.5]
( R; |! V; B& n3 T/ X- G, O3 }end
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to setup-plots
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set xmax 30
& ?* @; X2 @7 I9 |! \2 C3 i" Q C
set ymax 1.0
$ x, e3 u" d Z+ a8 w9 Z9 B& }6 t' H, F5 X( n& [
clear-all-plots& G! ^; [( `! c8 C; L
. M, ?; O8 Z" b6 G& Qsetup-plot1
: T. e* o: _$ l1 `0 O
+ P# |4 R" P2 W9 u- Asetup-plot2/ Q$ Y3 c4 F5 `1 N9 N' C
8 q8 [2 g( v9 j* G% f" y; F/ Lsetup-plot3/ k( ^9 f9 \, W" A2 k, @; f# ~' X( I% `
end% l1 z3 X9 A: v) n3 \
" P% F1 l8 o, U, ?
;;run time procedures$ Y& ]2 Z, H+ U# K. U1 }, T! V
0 d6 _" x$ y& U/ \3 s) I2 Jto go
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ask turtles [do-business]$ \7 R- Q8 P) y7 @5 m
end
% d/ T* `9 t+ c9 v1 m& `( N5 ~: v. R _- T+ H* H/ o* L
to do-business 1 C6 Y; q1 [ a3 c, A o
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% a2 \" v8 [$ K9 |- B
rt random 360
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8 C3 ?: ?( E7 `- I6 x1 lfd 1
% M9 i: x. y" c* Q; V" s% c: ~% r+ i( z" c0 ~7 H
ifelse(other turtles-here != nobody)[+ a% n& M% n8 f
- a9 h9 K5 B2 P9 h: w7 e' i
set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
; `; a- W5 d5 K/ {% y4 _[trade-record-all]of self
" l: Y6 x# l& m+ P;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: `" A6 X/ ` |: F, b% O
) b+ h. @: B4 E: g3 Rset [trade-record-one] of customer item (([who] of self) - 1)
+ I5 M: O% n5 ]% a* e! U/ U( H4 B[trade-record-all]of customer
/ i v+ F1 C. U$ I
' _3 \! b0 X# f* P( E6 j9 Qset [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)); ]1 Z, z1 [( I9 S' F7 k
* @5 ?1 K7 B* D/ a+ G8 |ask self [do-trust]
* N% P% m/ F$ Y$ Q;;先求i对j的信任度
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if ([trust-ok] of self)
9 I4 J3 s2 {; ?. _9 O. G* `1 K' T; Y;;根据i对j的信任度来决定是否与j进行交易[% C' i, _; X4 b& a# u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% n# J4 ]; R% g) T, e0 |
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8 c* D+ v7 P, w- ?/ Odo-trade
) S' W1 h: A3 S
7 m+ p3 W& ]2 B8 A& q+ D2 |, qupdate-credibility-ijl6 N7 Y* I" ~- E/ [. E
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update-credibility-list
n9 X- o; e2 P* \5 |' X4 T" q; }/ W5 D4 O' y8 X- P5 p( {6 O& w/ y
' `+ W% s, A2 ~/ {4 ^
update-global-reputation-list. w! K( t1 e1 o* |# a: {) G
, R4 d6 _! x4 N s* A
poll-class9 u; h8 o. K" V' N
& Q8 o$ t, ^/ Y1 e/ K4 t
get-color
$ k1 K/ t3 p/ \, I* _. T6 k
+ i; q5 F1 v6 j. H; g5 ?]]
& u7 J6 }$ J$ Y2 V$ L, c! L/ K1 u6 i$ D9 }: O/ S( x
;;如果所得的信任度满足条件,则进行交易
1 ]7 E2 ]# _' ~- [* V
, ?9 p+ l% ]9 ]% O+ f[
- c7 b& a9 C7 N. e' c: H- T, ^: f1 J. _3 w
rt random 360& S# b2 T D5 T- f/ c; O9 I' A d" A
; X7 ^# a! p( K. f9 X5 _
fd 1
5 V# u( T( z% u" u
" T; {% r7 S3 }/ f( W9 e]
5 C" Z, v1 o( ~' F: N
% T# y' k) B5 zend
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to do-trust
* [3 L, F" x' f& O5 i* V. Fset trust-ok False* y2 q/ G* M' y0 }- Y
8 i j- E1 Z3 d8 Y& d0 p6 k
5 U) ^+ x6 |6 d! n2 O1 q
let max-trade-times 0
' m( M/ W* q c7 h5 O; s% zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 i6 _+ `/ I7 [' q1 D: J u+ v& V y
let max-trade-money 04 p+ ~* f9 \% Z& L
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. {9 q* ]! \ ^; F" h3 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))3 d7 ~9 K [" d2 S
* ` E# ~# _ X6 _
- ^8 y& M: j( Q. gget-global-proportion* _* y, w" A7 r) m
let trust-value
& j( B) C* }& R( @1 g" Qlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
6 G- s1 e6 W, n$ u9 jif(trust-value > trade-trust-value)
D8 p" I" q/ B, u5 f; h[set trust-ok true]
, E1 O7 Z K9 d- ]3 Y6 Jend: Y- V+ p( q1 E6 W- @% z
! J9 x5 @/ Z3 X, k5 hto get-global-proportion
) T! t1 |" U4 N+ Y% R, T7 U* \, C" Pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' k" u0 [8 F& @7 S# ^' @[set global-proportion 0]
3 L& z5 E9 R, ~+ }[let i 0
6 e8 M5 C' ?0 o0 N+ k3 A- x) Qlet sum-money 0* y7 d( z9 b+ o6 |8 o9 L/ P
while[ i < people]
2 m2 B) a7 }; { O( t[
; a7 q6 o9 E# W" b) gif( length (item i
* r% O# {* Z3 {/ G& |+ u[trade-record-all] of customer) > 3 )
$ ^4 h9 ~' Z9 z4 t5 v! t[
5 ?' G+ V! L1 z: [- Y8 B* h0 Kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))' ]- D/ K) `; @+ W. c$ [! u; P! R
]
+ o& h4 s! s9 g0 ?" S]" K6 V1 E9 L+ W% ] r1 Y
let j 0
' k9 ?" ~% q _- x# a6 Jlet note 0 C6 K/ e4 t( K
while[ j < people] J# }3 |( Y/ `- Q
[
4 U% j# C3 g2 S/ @3 l! pif( length (item i. P$ E& X; Q) U: n
[trade-record-all] of customer) > 3 )3 l* _* m/ e+ N, o8 E4 B
[6 T( F% x; e7 ~) H
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' h" [+ v/ {2 Y: |8 P$ t4 ][set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 c w$ b$ c; g% P" P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 x! }( I Y. l3 m]* ^2 ]. N q- s L8 r
]7 K3 T/ \ k& s5 X$ c% c: Q
set global-proportion note
7 p/ B4 q9 a' m, O) V2 z5 F] U; C# v( l- F
end# j( G; ~7 A- j l+ F1 b: l" W
' ]' u; K7 l& Gto do-trade0 }; D& g( D! B3 i2 F; P& @) G
;;这个过程实际上是给双方作出评价的过程8 c' o& X8 h, I! O; S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 d6 v7 O* f' T4 r& Y1 K7 ^( xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" P- S7 g$ c S" O& w `& Hset trade-record-current lput(timer) trade-record-current+ p8 F( z Y* E9 q5 U) G
;;评价时间
, U( W: U6 S; y# | m& p0 J Bask myself [+ {, a, o6 K$ Q0 I0 U6 {0 V
update-local-reputation
/ y; I3 V. y+ G4 [8 C( Jset trade-record-current lput([local-reputation] of myself) trade-record-current
) Z) g5 M2 ~3 o. y& I: I. |+ X]7 n, G N/ v: u2 Q' A/ O
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ o/ P# K) N& A;;将此次交易的记录加入到trade-record-one中3 ?4 G8 Q0 z" j& p1 @& H
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& U3 ?- X+ R% N; K
let note (item 2 trade-record-current )
: s# P; z' G" U& ^1 k' Nset trade-record-current
. E, r5 F9 P. u# N1 s(replace-item 2 trade-record-current (item 3 trade-record-current)) F, X) d6 V- A# |: F; L
set trade-record-current6 F) N$ f3 e: J$ n( M
(replace-item 3 trade-record-current note)
* k2 O1 K; m. f& A& K9 q# D
& p; r$ ?* E1 Y9 I
3 `% o' T: ] `* u' d( Oask customer [
0 B, y E/ M/ z% D) p* W" o( Qupdate-local-reputation3 r1 a d3 j' N8 u% c. i
set trade-record-current0 `( X2 h% U+ q! a& ]+ k
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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2 J0 z0 D+ [0 M; @
: F3 x% a; X+ q3 [3 Mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% w( J+ Z# U2 @; `8 }* P3 d$ h, y1 U- m }/ c. _
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ O9 M8 ?) z, \# A V
;;将此次交易的记录加入到customer的trade-record-all中6 \* Y1 h, k# p8 G+ [
end; R, [& t8 m* A" U6 J
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to update-local-reputation
$ F( W& N. B }2 z. C7 o, [set [trade-record-one-len] of myself length [trade-record-one] of myself
* H1 c9 Z0 S) v
5 S! W/ t3 D& f" d& g9 q8 X2 |1 A% O4 J+ Q* H# i
;;if [trade-record-one-len] of myself > 3 % H$ @, H+ }$ ~: @0 h8 g
update-neighbor-total
0 `% E7 d) C: T. I6 t' U;;更新邻居节点的数目,在此进行
& ~4 E# ]& W" `let i 3
7 s, N5 P9 ^* T7 [7 G! f, Llet sum-time 0
2 o: I5 E& ^7 D1 ~) M) `while[i < [trade-record-one-len] of myself]0 A. g5 X0 ^; O+ s5 q
[* j9 a% c$ h" Q1 b. d9 \2 T
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); V2 Z D' Y9 m& ^: _ W2 `+ o z
set i
2 J: V2 ], E+ p/ W1 Z* l% ^- l, f( i + 1)4 E9 r% _8 {7 O5 |
]6 T0 n9 G( R4 M! L
let j 3
: ^" _$ l1 k9 U) `. Elet sum-money 08 i) Y, a' K9 D/ d. u0 \
while[j < [trade-record-one-len] of myself]
; |7 s: W8 }2 ~, j: p5 C[
4 n, u0 ^ ^+ e1 vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)# C! e5 y6 R" O; Z6 F( b+ _6 V
set j
1 _ ~; q/ E+ ^) M( j + 1)
6 u2 y$ F4 z: r# V" o]
% a+ }/ o! H( U4 z/ E% B4 Plet k 36 P, M/ @* c/ {6 U! A2 ]( U0 O
let power 0' D" i# J0 W2 U5 a
let local 06 l$ k0 ?; @1 z! d$ z; Y
while [k <[trade-record-one-len] of myself]
) N6 @4 w+ n7 w# f- |' q# I1 [& Q[
4 q4 G) F: c2 j0 Mset 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)
5 ]* q+ [. i$ @3 v8 \9 c, Hset k (k + 1)
; F7 k' G& y( O8 p; ]5 r( M) C]
* l; n U" K. l$ H8 J# _2 Pset [local-reputation] of myself (local)3 V1 I4 Q, K# |9 z
end
9 b) x9 X+ E* O9 g! z! t
: j4 ?' s7 j3 V f9 H4 mto update-neighbor-total
- ^ U/ z2 U- j Y3 O+ E3 F( f) Z
" k# T! l! T5 B9 ], ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: X( M' j& [: v& E! E& F5 c
7 `* H! l7 T- q- b
# Y% u/ }0 e' I0 Kend
+ d/ [4 @9 r* H5 d* \0 u& _* J! {+ G1 W( b1 B
to update-credibility-ijl , \. ~4 N7 m0 F) @! y
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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。
1 i8 K7 W, e# U' ^let l 0
0 A1 r- c6 I4 K2 c; xwhile[ l < people ]
2 M$ v" e" ~' Z6 _0 P B;;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 f3 X1 ^" W) p3 A8 O: D
[
" @! B0 z# M' E3 I' ~5 ~1 O9 ^* I; rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 h8 _( P3 T$ I
if (trade-record-one-j-l-len > 3); \% K J# O0 `
[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
7 ^- R4 ~- _; }3 c d# Olet i 3
& o9 u/ G3 w, Z& Alet sum-time 0
0 p7 f+ R2 S6 m3 Bwhile[i < trade-record-one-len]: @' d6 K }2 [8 T6 R$ s
[% l# k; [) L" k+ k# y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
+ G, R s! o& y s: X- Aset i! z" \2 d6 W, D: e# \3 Z9 i
( i + 1)$ T- @/ l6 q. v) q8 u
]
: F. e. Q0 p2 S9 slet credibility-i-j-l 0) P2 |0 S' c+ e8 n, I) c
;;i评价(j对jl的评价)+ u* Z9 V" O- z* Z( }+ b
let j 31 l% X' n, z. @. \# F9 `! Z: [
let k 4
5 |8 o% U( d" q) _9 f" zwhile[j < trade-record-one-len]
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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
# S) E7 o; @, K$ d! E; h% k2 gset 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)5 `! i' y/ G' V0 G4 r5 v$ k; q
set j7 }8 @3 f4 K4 }6 c) A& q: K
( j + 1)
5 u5 S/ V( j! N& A4 v& N( ^$ O' V5 u]
9 R$ {8 A' b( R+ gset [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 ))
' V" \0 m1 f) m1 O1 P8 ^0 E# l/ g, O
9 p' t$ ]# S6 m( ?7 Y
7 B Z1 H+ A+ O* C3 h4 O( p+ Glet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
, O" ~% `) Z+ `# H/ _;;及时更新i对l的评价质量的评价; M2 \. Z: k: J4 \( Z4 \' R$ O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ O/ p9 {1 ^7 U% _
set l (l + 1)
2 p& e9 A& J: o. r5 _3 K]; B3 j5 L3 A: N' Q' z1 n
end
: j% _" V1 r+ h6 p. G0 v7 V0 p
/ I; z5 ~8 [8 d$ C+ Vto update-credibility-list2 g6 y3 [( H, c1 j8 q
let i 0) X* r8 N) L8 F" t7 d9 T
while[i < people]
5 V. T0 E, f4 `' u4 k1 q[/ J& L% Y' G4 @$ D& P6 X8 Z5 U
let j 0 x6 A" Y* g" K5 b5 C
let note 0
; {' y8 X* N% ?( a ]& `let k 0
w! @- ?5 l, o. n1 p* k' ~2 S;;计作出过评价的邻居节点的数目4 `# i: E9 `# [: J0 i4 w) q
while[j < people]
' \$ [/ n6 z/ f5 H' W+ R[
; s1 k" M! d& b( R9 G) oif (item j( [credibility] of turtle (i + 1)) != -1)
: r) H' G0 E- h- _/ t;;判断是否给本turtle的评价质量做出过评价的节点) W0 y; d1 M3 k/ M# }) F4 C
[set note (note + item j ([credibility]of turtle (i + 1)))2 m6 v/ x2 n) ^" B* U& N
;;*(exp (-(people - 2)))/(people - 2))]
7 F1 c- D5 k3 ]3 [1 x* p( Kset k (k + 1)/ D. _ ?, w {7 x8 l' K& ]
]% k3 ? R1 K3 r( D# P, `) A
set j (j + 1)5 [4 f# w' P4 g7 i' A- O, d
], A; P6 Y% @' Y% Y% A9 b( X
set note (note *(exp (- (1 / k)))/ k)+ s& v9 I, z4 {" b2 {1 L
set credibility-list (replace-item i credibility-list note)
3 f5 z7 D r' P* D7 I( b1 X+ hset i (i + 1)& `3 J$ n/ Q3 O" _! Z! \
]9 M& d) F- X* ~% V
end
! M( e1 P' _2 v' N5 z
% T; a, I1 {; K8 Wto update-global-reputation-list
1 W6 a8 \, P& slet j 0
1 E& P1 b+ z: _) T$ wwhile[j < people]4 D' D/ ^- F( ]' z+ p6 H! L( C
[
, d! E$ b3 L6 n; Plet new 0/ P; m/ K; c4 o! r9 a; V
;;暂存新的一个全局声誉
4 R$ z2 `9 v% k3 Hlet i 0
6 z5 s" N: W" xlet sum-money 0
1 N. R$ n6 _% F3 Flet credibility-money 0- A: F9 c) }9 [1 {4 l
while [i < people]
, j+ x4 y8 l" ~$ z: x[
4 Z' b2 O! u% H, @set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 \, Y+ Y) \, i
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 W) t8 v# ?# n, P
set i (i + 1)& O3 `5 F' p+ G' V/ b* W$ G4 O
]5 _! N7 n5 O* ?& s' ^7 Q8 ^% ]
let k 0
9 W- I1 h$ `. W0 M. m/ klet new1 06 Y9 S# }( K6 |' ?% b
while [k < people]
/ M9 R/ z- }% s/ c[6 ?9 Q* c3 r/ 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)
& t9 ^# A2 S% s8 h# ~) s2 Gset k (k + 1)8 e/ [; a1 U/ e$ [! I, @% X' `+ k
]) P" H8 x# g0 S+ p, H0 R
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) p! o6 Z" S* v* z X& [. |" X8 Nset global-reputation-list (replace-item j global-reputation-list new)
, l1 j3 W0 {" Q* A7 d" Oset j (j + 1)
3 ~9 Z8 S$ t4 t: {]
7 c/ |) p4 s+ e1 Xend
. L9 K% D/ a* U& L
5 E6 ~( u4 B8 U4 L: Z/ j. ?
; s3 ]( Z: k, |+ H8 ^" c- L; J0 F5 Y6 |# ^2 i% p C4 z
to get-color
# j* H5 M, T9 h1 w0 B" M4 {: o2 c$ {9 x- S
set color blue
. M" O' D. n( h1 Gend
9 m; x% r5 ?6 @0 w. Q# }( s
8 ?- u; ^, u9 w: [to poll-class4 U) I: G8 Z/ H2 V+ ^: R) A/ R
end' X( e$ L. z5 H/ ]: r3 j2 l: K0 v
) ~2 z2 Q' i2 ^2 [+ Eto setup-plot1$ y# f, X# h4 ^6 M0 _4 q7 g
4 y! \" I/ _1 h2 v1 m8 Z
set-current-plot "Trends-of-Local-reputation". ~# J2 a: r* W: w$ \ V. B% B
- @+ W4 X# B, z$ M+ ?" V
set-plot-x-range 0 xmax# F& i, X& Y2 ?: o/ r3 z
r( Q% f" \! S$ F1 m3 z- x% Q3 `set-plot-y-range 0.0 ymax1 U) L9 S0 x* ]8 w; n0 u" K+ r
end
3 Z+ y8 L% N$ N8 `* h6 x5 E% O8 g: _
to setup-plot22 a4 U+ c! \0 ?: C
! X* i( k1 m' x+ O) ?set-current-plot "Trends-of-global-reputation"8 m. r4 f% L+ J: {0 A1 q3 {
- g( f& U3 n8 c* w- G( D( @, W/ ?set-plot-x-range 0 xmax2 O9 W) }1 b6 p
- H" r4 ]5 X/ hset-plot-y-range 0.0 ymax+ y- X2 X. c& ^2 i z
end
4 j. j _. `# ?: C. Y2 a5 u. x9 [0 ?( Y
to setup-plot3: ^. n) H6 q p7 \( i
z, X' C1 x/ I2 K$ _* I
set-current-plot "Trends-of-credibility"/ _- m2 A' ]5 R! p
( o |0 X p$ }; M* j; r5 |9 ]6 x
set-plot-x-range 0 xmax/ e9 s3 |% e- c
, S3 U# F. r Z kset-plot-y-range 0.0 ymax/ O% t' F4 Z4 Z% h% E; ?% ?
end3 g+ t) H8 J$ @- j3 a. q
e6 d, O* }& Bto do-plots; f0 }9 T4 _0 f1 o, J. z! h a [
set-current-plot "Trends-of-Local-reputation"4 B% H8 m* ^& t6 }$ Q; r) s
set-current-plot-pen "Honest service"
& R7 q7 k+ w4 v- t, `+ i% |end
% ~: ^* ~ d" \* ]: y; Z: e9 p
% `1 q! ?5 {3 B$ @5 h% N4 _[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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