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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 j3 Z6 C' ^4 T( w( a0 z- R. G7 ]4 K
globals[! M9 n- p% H( t. t
xmax5 P5 M" A3 X4 @3 [$ h" q
ymax
' Z2 H3 j# M: @/ I6 K4 Sglobal-reputation-list
. e3 s5 W4 `8 a) p, P, h9 ^% W2 |5 _; W% o+ [1 y5 T) C
;;每一个turtle的全局声誉都存在此LIST中
& @7 K9 h( M6 y v+ y, o. q% Ncredibility-list
: J$ N3 o3 j4 \9 y0 F2 P1 ^2 w. m;;每一个turtle的评价可信度
( u' s% y5 D# U0 a" S/ bhonest-service+ m5 j) Z3 ]8 j/ }
unhonest-service
1 i7 w) I# I- l5 A7 ~oscillation6 r0 U$ i Z! r& r, d
rand-dynamic
5 z1 R6 @% k- m& X]6 V( m- [; G, r- b, X
; ?7 \" H2 b4 q( r5 w% sturtles-own[) i8 N r0 [2 L- |" a
trade-record-all9 x3 Q d) r( l; d3 A0 e
;;a list of lists,由trade-record-one组成4 M% D' Q. n/ Q6 k4 s: ^. U
trade-record-one; j% h1 P' ^+ i
;;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 a: f* ~$ W, B/ O2 c5 ^
3 r6 d) |# \2 k6 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]]
# r2 M8 N; q6 g, y' g0 |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]! O. A/ T5 u$ J1 X5 G2 y8 Y
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
/ `/ T* P4 d! m% {/ `* j1 y% F5 |neighbor-total. K* [5 O e6 x- G/ W+ X. j% `2 N
;;记录该turtle的邻居节点的数目6 e1 d& p, C3 R' ^
trade-time( [$ v5 N4 t# ~. n
;;当前发生交易的turtle的交易时间8 S8 Z* f: Y/ \$ D
appraise-give
' [5 @* j& U I3 j+ _;;当前发生交易时给出的评价& A2 U3 k- ]6 h+ O7 W
appraise-receive
# z5 I' V9 N7 Z;;当前发生交易时收到的评价
6 N0 A5 z1 i }$ G5 L9 @) wappraise-time5 _: _; W8 }. `) d3 a& ~4 T
;;当前发生交易时的评价时间
' b/ } D' r4 {local-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 _7 R. u# B* Wtrade-times-total8 l, D o1 J1 m: x
;;与当前turtle的交易总次数9 O5 C/ }' q" d& m$ E# q j
trade-money-total
" C, J6 b7 b" W9 P: O: N1 V; @( e;;与当前turtle的交易总金额
% R: _$ f( L0 n8 }local-reputation* w1 `7 P9 H3 S/ } r
global-reputation
5 ^3 n8 S; M* B6 E5 e \credibility0 x& r0 O7 j( p( S$ q+ O
;;评价可信度,每次交易后都需要更新9 I6 L/ N" R9 L# o
credibility-all
6 w( r* `, B4 J+ |# q3 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. R; X2 t: }- x- [& D5 Q8 N
; b3 b) n3 [2 j z
;;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. S8 Y7 M: M; m/ @
credibility-one
; u- D3 M2 d6 Y- g;;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1 h, i# U ? ?) O( s2 L$ g
global-proportion- `- g; e) Z) c2 b1 u* [
customer
% @8 k6 s+ j) x1 Gcustomer-no. O% {: E2 F4 X n1 Q: n
trust-ok
7 N% t$ h8 O5 qtrade-record-one-len;;trade-record-one的长度/ l, X$ R" D. S; M/ ]4 o' U! L
]% q( W! p- R3 z* @( t. s5 P3 b
6 v& i8 W1 A. E# h* C4 k
;;setup procedure. t. S, R. ?* x
; G# g: A8 y0 }* K# N# ~3 tto setup
A7 c1 r5 Y, m
0 U+ G# K2 F9 Z* U# d: R' rca
7 A% B+ N( W+ r# z; x$ V! Y6 T# l5 E/ M
initialize-settings6 W. e% C5 i9 ?* w" H z# V3 T t9 w3 X
4 x! T7 d( J) K
crt people [setup-turtles]2 {' h% e8 d% f6 r8 q" z& R: t
V7 v' t1 V& E/ \5 C) i3 Y' s9 L
reset-timer \* M) `) M7 O$ h q* m
7 x) z8 c; j5 _* N& [- r% m e Vpoll-class1 f, x, O$ y7 L$ P8 D
. C; V" ~" N* V
setup-plots. _- H. i5 q' F
3 Y# k( A' P8 P3 L6 Q: R& ^do-plots
: Z0 t) k: a5 ^) Send, k) {7 t1 J6 q( N8 H
! I0 E& l/ h! I g2 a) Xto initialize-settings9 l* }( ]5 R$ _' Z% b7 P" F# f( c
2 G* p" y8 X: C3 O. y4 dset global-reputation-list []* e; G' ?' h9 I J- R u
( Q) p* h; T# p* P, h
set credibility-list n-values people [0.5]
* ]7 l( K" `) U+ f5 w7 H H1 D! K
( |0 |$ B* l1 Z' [7 A+ O# dset honest-service 0
8 v' ~& f) q/ |, y# ]' O& _/ w2 Q$ n* X! x8 W. ?* ~
set unhonest-service 0
) v7 J; A8 |7 X% n( T: Y6 ^
* n6 U+ L6 y& b6 O- kset oscillation 0
# A- [3 d& I7 m, H. {$ z
6 D" L/ e2 V- O6 Z! O# {0 r% nset rand-dynamic 0' ]3 h! S5 j8 Q
end4 c7 U0 `# ]& c5 H: F1 N$ U
% L8 a4 j$ Y# W) j
to setup-turtles - B+ Q0 _% T$ g
set shape "person"
8 X1 y+ o0 e4 Qsetxy random-xcor random-ycor
, D5 M' V/ T9 X! ?set trade-record-one []
0 m6 L8 j2 v4 w. V0 s" r4 c- M' m
6 u: d# W, ^) s7 fset trade-record-all n-values people [(list (? + 1) 0 0)]
8 t* G8 m# x `6 f+ a
8 _( E0 W0 \% a( w" h! Q8 oset trade-record-current []$ ?6 Z1 A4 u. P# i: {; F" h' k
set credibility-receive []9 N& Z& J$ @* H1 \7 W( ]
set local-reputation 0.57 }+ ~, F! {9 B+ D4 x
set neighbor-total 0' d" N/ y% O1 ]9 q
set trade-times-total 0
' }* K% o5 A I# m" M. c* lset trade-money-total 0- N8 m4 x1 |* Z5 _
set customer nobody% C' d- W7 l& Y7 g* J- X" c# H
set credibility-all n-values people [creat-credibility]) ~( a( y1 [+ }; l- P2 z6 u9 T
set credibility n-values people [-1]. a) V" k9 ^- ~
get-color
$ Q8 o" A: E/ ~. a0 I, w9 x
- |0 N6 P. [2 K: c' A2 lend
% R5 b8 w; [5 E. l |
/ Q6 P# @; N3 [, x& bto-report creat-credibility! v( j E" ~7 v: F: x i6 J
report n-values people [0.5]
/ M6 d& T7 z3 `2 [$ ^7 \end
& @- T4 \* D- t# N8 ~( W, `0 J+ X" h# y+ ^9 Y1 t
to setup-plots: E' F: V' B: V: R5 `
6 m, _1 \+ q: S7 R* k4 K
set xmax 30# g* |; S' }( u7 y
i! {. R+ ]! d
set ymax 1.0
: R# w( X/ M* O5 l' Z# V
; j) y/ v( N" E+ G. j* Z/ \! Jclear-all-plots
$ w7 B6 a" u* [7 m0 T+ R% M* W3 Y) i9 g: a& b! Q
setup-plot19 n: c4 W1 T. ^6 N9 r5 R
" m- ?3 [; q' O& W0 y7 Y7 ]! |setup-plot2
# t" J3 ? N" \ ~ b/ w# F
2 Y! a# i) H* F& Vsetup-plot3
' V- {8 N5 N* w* a1 {( b* c3 G. Yend _: Z5 A( q; i0 I3 F
- C. `% @: ^' I# {
;;run time procedures
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to go6 `4 X$ X4 G1 Y
* L; [3 b& y( k x+ E2 D. D3 G* y
ask turtles [do-business]) T+ y2 R2 s! M; R6 w4 D
end
% i0 D1 z6 Z2 I6 I
2 `' U) p, M" kto do-business
/ ~& H' A- S! t4 Y7 R! e
, g2 [# [" a; c' [
! l* t M9 c# ]1 \1 Lrt random 360
# Y4 I' u! e! S* g. R7 j- k% K, w% Q
fd 1
0 l4 e- U3 A. F& z% L
8 Y2 J5 v s' |ifelse(other turtles-here != nobody)[
- B$ ~$ P: K& [( I" j: G/ [# f
6 c1 X1 r3 Q6 Z' T$ zset customer one-of other turtles-here* K9 [# Y5 T9 L+ } e0 F- Z
4 A9 l. v5 z. G4 K& j;; set [customer] of customer myself
: {9 I" v. u7 \7 @' k% k" v) h4 A* V: v, H& B- H& m
set [trade-record-one] of self item (([who] of customer) - 1); _6 ^. [5 A9 T0 `1 J3 h2 Z) Q
[trade-record-all]of self5 H3 w! r: W- l& U0 j
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! _4 p5 d% y2 x! m0 a$ }
2 ~: W1 B: _4 r* Y( v: ]set [trade-record-one] of customer item (([who] of self) - 1)
Q: H% o ]2 f9 x' O0 [[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
% Q* ]; B9 F) u' M1 C
; f5 G4 N! @: q- @1 \4 M6 h, qset trade-record-current( list (timer) (random money-upper-limit))1 n8 O# [5 u( R, r! N
- B$ a$ W1 `! q: P
ask self [do-trust]3 ?+ X/ g. E! s3 F
;;先求i对j的信任度! G' r$ z5 ^ l! G. j* [( W
2 w# Q- A6 p3 b! D5 o" Fif ([trust-ok] of self)) O n+ M! P2 h( x& Z
;;根据i对j的信任度来决定是否与j进行交易[* Q; ~3 l0 b) }( X- s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself$ T9 h& e4 l, }8 g& r2 h( L
, n p3 ^9 L4 T8 c, G4 \! T
[
/ ~3 I, U4 z7 V% |# C
! R: f/ U! a2 Hdo-trade
( Y. M2 x, ]6 Z4 D) U9 b4 L( @4 i5 h1 X% [ n. }% c
update-credibility-ijl
5 G7 b+ @' q5 b, g) \) G# D9 v; ]) t! z
update-credibility-list
! b+ M K* u. o! ~8 ]: k
6 {* Z8 Z9 P7 k. ?( r# p6 k# Z, ]7 y8 U. J% |8 Q- K
update-global-reputation-list
0 Y: n$ l/ Z' g' C9 i$ d
$ _% S7 N" D/ _. m" S' o& [3 |poll-class
0 a' n. i! D4 p7 e5 x1 r9 Q7 S' t4 o8 J1 L$ r2 L& y2 M
get-color4 g7 c0 ]" E4 G/ |, M
1 t# e4 h3 t; E; A$ u; ~
]] q. y' ~/ i5 f/ o' P: p( V
! a/ g! j+ E* Y7 a, ~2 g;;如果所得的信任度满足条件,则进行交易$ z" v; x1 p2 }* ]/ e
. F* w4 f6 l, e8 p% H[! X) H6 _) M9 L: ~
0 R$ R5 q2 M }4 E0 |rt random 360
' j( ^+ N) R D3 j& t# d% [" [; a# c h' W( F
fd 13 V2 ^3 i! ?: d7 l
& {% u7 o" n" s0 ~, |/ d4 _4 k( g
]* c7 f' @' b; r2 u( }+ i* K% _
: M' t4 l# K3 Z& w0 Y6 `0 O
end% b& h/ j( i- X, u3 ?8 b
: O0 |; \0 D2 I# uto do-trust
: d% g* j+ s+ _0 x0 [+ x. p0 v' Dset trust-ok False
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1 _. K% p3 T! r, a) h2 T* U$ d1 ]3 y. U+ a# a" x* G
let max-trade-times 0: h7 B% L* K6 N6 {( U
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] A9 i( E3 y* B! M% ]. ^, Y* |
let max-trade-money 0: t/ w( j% ^( h/ V a2 r+ @
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 \* z. c$ L9 f. {$ e. G+ ]' m+ {let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ |1 |, ~7 B5 k
8 i! X5 C# {, ]2 Y, ^. b
* B2 H* n1 k% l- z9 Zget-global-proportion
3 }6 Y- g. L; B: B5 ^6 l! ]let trust-value
, q; m/ D, a& C, U) Ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 N4 ~' e; f- Pif(trust-value > trade-trust-value)
! S, z5 x1 Z* H9 D* O3 h[set trust-ok true]
, L, o( r) X4 s2 p( {) y# Jend
& P, M* n6 N5 Y- s) K6 f* a' e, M
to get-global-proportion
) O6 D0 a: L% m5 i/ u9 Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3): m' G7 h$ \& u! v; `
[set global-proportion 0]1 i, T' u2 p0 c3 |& H2 i6 |
[let i 0" b5 V7 \0 v$ ?* d: J9 q" a& B
let sum-money 0
9 \& x6 ?$ P' k X: N! K" zwhile[ i < people]% j/ D' M8 f7 }0 V) |+ _: O9 v
[
4 \& a9 i' E8 g) j( `if( length (item i1 w. a5 N" Z5 Y4 ^
[trade-record-all] of customer) > 3 )$ z5 c* |! ~7 e2 [
[
; y* F9 m9 y1 f" Kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))* |* g2 G/ A: h9 H4 {
]' w- ^+ |* c9 D
]& P1 g7 m+ |" L( N3 I# I
let j 0& C& a' @# T. N6 P
let note 0: D4 b8 n; i2 Z! c
while[ j < people]) B- j1 i& J, p/ b& E! S! B; h' y B
[
3 o4 S& R8 H/ Z- {! T. B5 Aif( length (item i
* o" S S% ^* p( i' x[trade-record-all] of customer) > 3 ). i2 c1 i$ P, @- i. u& G+ e4 e
[
: i1 L: V) s8 ~/ T' ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 W+ t o0 c- o* Y" n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& b: `. W5 r7 x[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& K) t# r3 O' s]
I* r, ~7 d! I0 W1 [$ Y4 e]2 C; c5 L% `/ `1 m {; y' f8 Z
set global-proportion note0 _5 X0 s; D: Y& u6 }$ x
]
; _8 Z8 U- S# @8 d& |& t* fend7 u; P' V2 z* z0 r5 A
0 B3 Q$ }( w2 b Hto do-trade8 W. B0 K0 I* H7 w
;;这个过程实际上是给双方作出评价的过程% J+ Y4 u/ ?- E; }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价4 R0 w8 S: K/ I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 q5 _4 }, k! w( v& q1 _set trade-record-current lput(timer) trade-record-current
; x4 \3 e1 N+ I! S3 ]9 W# u. C;;评价时间
/ G- ~% q$ Q) u% V) C! Iask myself [
6 e5 b# l/ L3 k$ a( u2 z2 ^9 `update-local-reputation+ {3 F6 `7 x) ] W% T' o$ w
set trade-record-current lput([local-reputation] of myself) trade-record-current
$ O S; \1 n: n" s6 h5 H]
' |5 T: S( M! ^/ ^4 F5 Pset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
_2 O5 t* K% `- W# q' o# T x;;将此次交易的记录加入到trade-record-one中, T2 p3 L# L9 G2 S
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 S, E7 @" v1 ?* ^* W" D \
let note (item 2 trade-record-current )1 N; ^* U' E% S$ u) X1 [( |! b
set trade-record-current
; w E5 M! y! y5 O(replace-item 2 trade-record-current (item 3 trade-record-current))) W9 y9 [: J2 p* m* v5 I3 J* o
set trade-record-current" e9 e/ }; y( }" G
(replace-item 3 trade-record-current note)$ @2 F, A# b( \! E \0 T8 k
+ r V. {5 n7 f
0 I; |, q8 Z& \4 }ask customer [# z4 m+ a5 W* ]4 t
update-local-reputation
! F+ A9 s4 j6 L( t7 M8 \set trade-record-current
4 `, l$ T1 n) ?8 h' V3 Q' o. _9 I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ t: `$ i, p5 ^]! c+ ]0 p b: V3 p! n
( Z. W3 k' I) g& [# d' G' L
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 U3 h+ N5 x% E, N8 {
4 {5 ^- S5 v1 B0 Y0 E& {6 k' G+ [set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 J6 _# D' I# T: S! N4 y5 e; f;;将此次交易的记录加入到customer的trade-record-all中6 x4 T$ ?3 Z4 [2 L3 f/ Y
end: N/ J" a, Y7 t2 D2 G
5 n Z/ p# \" p0 [
to update-local-reputation
! V& B$ V* e' Aset [trade-record-one-len] of myself length [trade-record-one] of myself& h6 n& i: Q) `& E w* o, D
, ]; t Y ?2 P- q
8 ^$ @; }3 c5 T5 @. R' l' l* O;;if [trade-record-one-len] of myself > 3 9 e0 U; p0 G4 D ?9 |) C
update-neighbor-total! @1 ~* n5 G* O" |1 |8 s
;;更新邻居节点的数目,在此进行
( M' \. h+ |7 |: olet i 30 z$ C: k" ?* g1 k
let sum-time 0+ `. ~" ^, p0 I; ~; n9 B
while[i < [trade-record-one-len] of myself]9 ~; M6 ?7 V5 n4 H
[
9 a G, n8 M' h. J- ]0 l7 fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
4 o& N+ `4 j n& u$ l1 M5 Yset i ^3 h( `" K+ x; B1 Q: [% t
( i + 1)8 f+ y' t, C" \: [! e& Q5 J7 T. w
]* e$ C0 @1 [% Y5 W# _
let j 3
5 Q$ D6 N( v3 v1 u: Plet sum-money 0* @$ d2 m6 F: H
while[j < [trade-record-one-len] of myself]! T# _# B ?+ o& l- F
[
8 l E0 A \9 [( Q+ e6 qset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)( H! E% J! K3 W" F3 ]# J; p
set j
# j I* s" O U9 ^$ h/ ]" P" d9 p, J0 o( j + 1)
) d4 K. d3 P$ b" y. c) v8 a]% N$ U/ Z! m, V- v" f3 t8 S
let k 3
" I0 n9 T% i5 p) R7 M* ]6 blet power 0) Q: b' w% W1 F9 B
let local 0
1 }% O1 ] c0 P% R5 w' j+ }- T1 xwhile [k <[trade-record-one-len] of myself]
" g9 W3 P/ L- t6 S, ?; O- {- s[2 I6 ?2 l+ m* W; U4 x
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 Z) H4 i% }) xset k (k + 1)
" P- v9 H# \* \, \; b9 E; A]3 w, e! ~- N2 R- H! p4 k+ W, ]7 q* \
set [local-reputation] of myself (local)
/ m1 `. s4 R; R6 d. cend4 B& W, L4 n6 b) M9 J; c5 o
x2 l' G( d) C# A0 o% cto update-neighbor-total
! A1 Z" i% U& f9 k% _, w6 ~' B$ q/ o% m$ D+ K7 b% {& Z- G O
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( i1 r7 [5 ^6 m3 a$ n* a) L4 `, k6 @5 ~
' J! `$ T- ]. K
end
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: C t( ]' h0 r% E9 _4 N' e' V% Yto update-credibility-ijl 9 P& u2 Z8 }+ b3 e, I! I& u$ B! E- p
$ H5 n- b2 D9 q8 w1 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。3 Q) C' N$ P9 p
let l 0+ L, h0 h) S; n% x7 K4 q
while[ l < people ]- ~. O' [6 |# ^/ R1 z3 ^
;;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3 X* l9 l0 v' T. M/ i$ _' F
[
- p. t4 h C: ?2 N: Y* y0 |let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( i% @+ b. K; sif (trade-record-one-j-l-len > 3)0 g6 M* ]+ p+ v6 P) }) V
[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+ T; ~- ^0 {- o6 p
let i 3& H; n' d$ R! L! N- S, X
let sum-time 0
5 M+ [2 }/ U& S0 g7 v: @while[i < trade-record-one-len]
) I6 g/ n! N+ i7 l[, x0 _( u: \0 Z3 i0 Z" q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& `" m" r* C$ Vset i
4 ], ~+ S8 f R7 z" N( i + 1)
; }5 H1 D/ U+ Z- @& [& Y1 `] P' y$ J8 q& S* z6 Q ]
let credibility-i-j-l 04 t7 P; A. b* \" S; d, A
;;i评价(j对jl的评价)
3 ?, ^5 n) o! U9 xlet j 3
& q) y2 y, E$ M, [! y, Glet k 4
3 K& W3 i6 c# p6 ~) pwhile[j < trade-record-one-len]
( J9 Y" j6 L3 C3 T W F+ ][9 Y$ S7 L }/ o5 \2 i% }
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6 c% L0 |. G" A$ d1 B2 F
set 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)4 M( p- v, \- D. u9 ^4 i$ q
set j. @& p6 L; y$ M5 k: H
( j + 1)
h6 ^( Z, K9 u! K- X/ N]
' `% L" `. S& i- P# f; j4 jset [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 ))$ a7 u/ h% z' R, |7 `% I
+ I# f2 K2 g6 g1 k/ ]
' U0 ` X: l; vlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! F2 A' ?- A! k! ];;及时更新i对l的评价质量的评价
7 @, ?; C% j! ^9 Vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], x+ k$ v5 v! D* q* Y
set l (l + 1)
- y8 ~0 \$ ]1 Z+ ^]
2 ^: e, o) W" \3 t, Z4 eend
; i* _8 B0 Y6 P/ d' L
6 @& m4 s" ^4 D/ _+ [to update-credibility-list
1 g2 |7 N5 _8 r. W# W- t4 Zlet i 0) K) h4 @, r5 c
while[i < people]
, ]% ?4 p8 c% ^+ y, _: I[
5 g: Z$ J" T2 Alet j 0/ }- W0 w. I; y2 b' X" U+ e
let note 0- l D. j/ l5 j) P. W4 W% [% \
let k 02 ~; t$ ^6 t) D, O- C& f
;;计作出过评价的邻居节点的数目( d" ^+ L* F5 n# V5 T
while[j < people]4 @0 w8 j- {) J3 J4 ^
[
$ N- E! d9 }3 @; C4 ^2 {if (item j( [credibility] of turtle (i + 1)) != -1)
! ~. q+ [+ h2 \;;判断是否给本turtle的评价质量做出过评价的节点3 t) v% K7 h! o
[set note (note + item j ([credibility]of turtle (i + 1)))
7 C( M2 U8 L% ]* a8 v/ ~4 ~;;*(exp (-(people - 2)))/(people - 2))]7 M( J& J, s( @5 ~
set k (k + 1)& B& L) T' K, E; t% n+ Y" H
]
9 k% S4 {7 q( E0 e! }" D+ ?! f& zset j (j + 1)
! e8 b/ ?# b# T]
. [: s# I6 V+ m7 s8 c# dset note (note *(exp (- (1 / k)))/ k)
n- [0 u, c0 s( F) W# \set credibility-list (replace-item i credibility-list note)- {7 ?6 Y( x- Z% k$ H
set i (i + 1)
3 z% C% u7 u j5 ~]
! K+ r/ g/ f+ tend" J; V( ] D( U% ?0 |
* }# U7 r4 j0 y5 Tto update-global-reputation-list4 x2 n* h1 G; T, M5 r
let j 0. }1 r7 j; W6 s' d! V4 w" _0 |
while[j < people]
' c* f0 k- \& m# \2 e5 U[* f9 t- b( a% {+ `; z
let new 09 O* D! T* z8 X
;;暂存新的一个全局声誉
( a0 t6 q- X3 y; h9 Q* j4 vlet i 0. p% Q6 V, Y; |$ S' ]5 K
let sum-money 04 W% T% V* d1 G9 E t2 M& V' _' P& q
let credibility-money 04 R/ D- R& n a! \% Q. U1 N4 I
while [i < people]/ [. K H& R$ O4 ?
[
$ n7 I' O- }1 u# {8 ^5 Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, P+ z& L% x$ K% d2 z$ C- Y$ pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), _9 u& Y( Z. u% Z
set i (i + 1)
! b# e3 R- D* V% S( J) B! J], q: K* J3 j5 m2 U7 }9 g: }
let k 0' G. I# O" m8 i6 n5 Z2 A. [$ J
let new1 03 r+ n) o, I0 M( ?: J4 X( w
while [k < people]
* W3 E$ s$ ~! j2 R) E$ e. v[5 k8 J/ s E* r# l
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)
0 }9 O2 r5 V; N4 Q# yset k (k + 1)
$ @3 i" r( Z+ b% l2 T]# ?+ }! L& U/ a' Z0 B& y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 G$ g7 U2 f: l# R& Q0 M3 y/ q) Gset global-reputation-list (replace-item j global-reputation-list new)- @1 A, c3 |0 ~' C# ?/ H3 ]: k
set j (j + 1)" h( z+ q4 d- f% D+ g7 w
]( Y& v+ \5 Z# _2 d: Z% `" I( p
end
. v6 P5 \- \6 a* {* ~/ v5 Z- Y2 s/ E2 ]/ {
3 |& m- {) H" H
5 x0 x; V {, z
to get-color
) _4 z: }; q A, F' Z/ r
3 `3 M: W% b& kset color blue
K( ?3 \3 o: u" Iend
$ f* L: F* o1 _$ J4 `$ F) F6 g* [% O& `6 m
to poll-class
) {( q( k7 ~) E, [end+ ~1 s& _% j! H6 e( q1 `
+ I! r" K0 c0 l) V4 k; H7 tto setup-plot1
7 u$ q, G! I! {& \1 f9 m8 }6 o0 T
set-current-plot "Trends-of-Local-reputation" u( ~# z) N& _0 @/ h) A$ q, h/ Q
6 f0 N. r4 K. T) R1 ~! j$ qset-plot-x-range 0 xmax% m* b6 |; l5 g8 `( D% u, m
- | c# m Q' l2 a0 O( C
set-plot-y-range 0.0 ymax
, _+ n& f! u, P Y. `3 }end9 ~. @2 t/ t) [. _
. p B$ o5 a/ Y. S7 h) K: P- z
to setup-plot2
- D& c9 g0 x2 A! ^& m/ {- D5 v! l# P% o5 i |& a- Z
set-current-plot "Trends-of-global-reputation"4 c- G' O0 h1 C5 @! I `8 x% Z7 o3 Q
7 b& O2 b& ~+ Z5 Z9 j) oset-plot-x-range 0 xmax |$ \$ r3 X9 d. {8 e5 ?8 E
2 q; f" A2 E, q5 G. ?6 i1 Dset-plot-y-range 0.0 ymax
& A7 T. w% k( O% Y; x" _end! U3 p4 X' \2 ?+ U! g& H
5 T) H1 R# m8 L6 \# y6 z( w
to setup-plot3
, k* S7 |2 J# e
+ a2 o5 |8 s; v: {$ Pset-current-plot "Trends-of-credibility"+ L7 B: w# n4 Q6 H x& v) ~! F5 ^
# b: y7 N2 F- t1 f0 z1 [/ F
set-plot-x-range 0 xmax ?! a* y5 s' a+ M+ R
0 Q7 A" N L% e" B* O5 t' Uset-plot-y-range 0.0 ymax
* O7 g& f: V% K0 Mend
8 d5 Q/ ^1 |$ \* S6 p
) H1 G) c; P. y% m& zto do-plots
7 `# m" i! R4 ]: f+ o. b! Z1 oset-current-plot "Trends-of-Local-reputation"* @/ O1 v# A+ O4 t& Z$ q R. o. k" a
set-current-plot-pen "Honest service"( a J7 E. R R2 @* f+ n3 A
end. {/ q0 H' Y/ u& b0 ?0 B; x3 }
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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