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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 G% T) s x- x
globals[2 R5 B; u x0 T& s: w/ Q6 {8 b
xmax+ l' ]3 h+ n0 }9 y4 q# _
ymax+ \( i( g% [4 A% g+ X# e! I
global-reputation-list
3 h4 Y& S0 [8 V! I5 B4 g+ g8 Z
7 L3 t* q$ _- \: H;;每一个turtle的全局声誉都存在此LIST中
/ D" m% ~! x/ @credibility-list7 Q% Z: `: ?! W) p/ A: D
;;每一个turtle的评价可信度- O' ^* L/ u z! q1 t4 i. E- E. f0 m$ X
honest-service. N: l! p# ?8 T7 \: l5 x$ P1 }
unhonest-service: X7 M; }. \/ s2 m# Q, H( Z4 T
oscillation
5 R* \/ {( L& L/ Zrand-dynamic
- r% O) J( t% O! u5 v2 o, z]
. _/ q, s5 M) @4 w& E, T6 X/ G
# o5 i8 y- n- L3 ?3 m! t, Q$ Oturtles-own[0 o* p. a; `0 _2 D. G2 M% A
trade-record-all2 G8 r2 u9 k. M! g/ N* f7 h4 `
;;a list of lists,由trade-record-one组成
# E/ w6 v3 w5 ]+ ntrade-record-one9 D. w B: P+ [9 W* k3 Q0 C r7 u
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! {* D, U5 [4 T' x4 x6 X
3 Y! C! x7 q4 h# W2 @+ {, T7 i;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
2 S6 l4 \) s$ 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]
$ ]+ `0 }1 ^7 j: k2 z F; L- M4 Scredibility-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
p& h+ s8 @. J8 ^4 @* jneighbor-total
]0 x5 t9 B( ~) l( h;;记录该turtle的邻居节点的数目. ^9 r8 c- c0 w2 v# u* u* M1 H
trade-time
. H: B* S, {. J;;当前发生交易的turtle的交易时间% ]3 b3 z# a4 E1 |8 d% h. {
appraise-give! R; P+ R% v q5 s. R
;;当前发生交易时给出的评价6 R9 |' L/ Y5 _; h
appraise-receive, Z+ _, z: d5 t5 s' Y( J. \7 q* Q
;;当前发生交易时收到的评价
& |- B Q* ^" ?0 Rappraise-time. j, O8 h. b9 |6 g% Y' M/ H
;;当前发生交易时的评价时间
/ ~9 r7 o. S. }0 B( U+ F$ clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉7 E9 S2 W0 C0 D; D7 @! w# D
trade-times-total
1 Y% V; D. F. Y7 I$ q* U& ^;;与当前turtle的交易总次数
( o! o" p) N( n) E. C$ G/ z9 Qtrade-money-total
( g7 J( Q3 R: e. x- D;;与当前turtle的交易总金额
, [$ Q* H! H {8 V4 y7 Slocal-reputation
+ ?4 k0 J) l, Z4 q3 o7 g; dglobal-reputation2 v: r W* } k8 a0 q/ Z7 W; w
credibility6 e3 x+ k2 m5 C8 r5 @
;;评价可信度,每次交易后都需要更新4 {4 @" w9 o9 n1 p. ]( g; v
credibility-all
' k) f; i+ o. [1 c;;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
+ d" @ `6 W U1 J, H8 `+ Q a+ h6 I5 M1 d
;;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- d0 b/ ]5 n- W. d% v+ C; N$ q$ {
credibility-one. e' e# F3 a" k$ b2 B9 S& t
;;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
* Q2 t* z9 R0 i$ {( a9 ^# x1 e% }global-proportion1 G7 `! |6 s0 W1 w+ Q
customer( z7 ^8 P/ _$ Y/ Z
customer-no& L, n+ E4 z6 C, k+ l9 a
trust-ok( l4 Z. N% U9 k7 ]
trade-record-one-len;;trade-record-one的长度0 }. j5 @4 O) J4 U% a& k
], l/ m! W/ @* R3 U5 o0 h% F
0 {- X i2 c- {- e X3 e; k;;setup procedure5 N& S' _7 i) X# e6 N
|( A& L9 ~. z3 z! Q) Lto setup
" }4 _0 a4 i* z
: q, l$ M& }; N+ R$ Wca1 x% {3 N5 E/ J+ z5 h# x
+ C7 l# C% J o. F9 ]7 Xinitialize-settings
% [3 b3 G! i( ?; \) K, c8 @) ?& L/ K, E8 d
crt people [setup-turtles]$ Y1 l* x3 A# `; r: Q
& ?3 T# a; O; I5 ]4 t, ]
reset-timer
1 }# b0 o! X( j" j2 X( w& M( Y: F/ _. `# l
poll-class
5 F3 V- ]$ Q7 [9 m- _2 A
2 I3 T- {# R( csetup-plots
: Z4 Q6 d) Q, C) W: _ |0 Y. D) M! z1 j, a9 L
do-plots
b2 w2 u( M8 ^- {) K% }2 bend
1 i& Z& H3 z, T7 M$ ]3 R R" P" G4 }2 y7 w# Z
to initialize-settings9 c8 ]1 ?& y, k" t
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set global-reputation-list []
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$ k* N& p' l! y3 F8 ?! r: ]set credibility-list n-values people [0.5]
- z% P6 f h8 }5 f( i8 ?3 |2 B& V' g! M( j2 @( A$ A! L
set honest-service 0" V5 q% L T- k2 T
2 X/ Z( Q; X8 i5 h( R
set unhonest-service 02 z( D: |2 M, A( V
$ c$ c: I3 q. u: Z b. U2 z
set oscillation 09 P$ o; _8 r4 K3 A% ^
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set rand-dynamic 05 o" a X1 g. x( u0 o8 V4 N
end/ I9 q1 ]/ E4 Q4 [- w0 ^8 f1 V$ W8 l9 w
8 G) t6 p0 ~& C/ @
to setup-turtles + |! \, M) L- s
set shape "person"
: V# H7 M; x; C! e& |setxy random-xcor random-ycor8 r7 q, [, O) z& W' P& d B
set trade-record-one []8 [+ [* W, R+ s" V) ~6 y* b! \4 h
1 W. k4 t* E, O' c4 b/ ?
set trade-record-all n-values people [(list (? + 1) 0 0)]
6 W8 p" ?+ P j1 b8 r* p1 ^$ R' a* s" _
set trade-record-current []6 U1 P, s1 F7 ^+ q" P2 |/ r
set credibility-receive []" _5 p8 X8 J: U& a, n* ]
set local-reputation 0.5
. e% F0 \$ ^) I( _set neighbor-total 02 _- G9 z- `7 n8 C9 g- B
set trade-times-total 0" _$ N; Z+ |; W. l
set trade-money-total 0
" @" ?( z( w% N6 }- F8 s9 cset customer nobody+ k( ?' T* K/ e# o- O* ?5 ?$ c8 J
set credibility-all n-values people [creat-credibility]
9 L# n+ r. \3 ^. yset credibility n-values people [-1]
, a0 Y; K' |: |) A4 ] |- N! I/ _1 ]get-color
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! q5 H( m% z, _( I$ ] nend
+ B$ Z8 L( }( F# b# T% }4 Q: @9 D* }) j8 W$ b
to-report creat-credibility- j9 D; U+ u4 K4 |8 S0 b
report n-values people [0.5]
! [8 [# w/ A' P$ {, `+ \6 k' f8 ]end
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to setup-plots
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set xmax 300 t, s: u( R3 ]; n+ m
9 c' W' C/ u, R
set ymax 1.0# w' C) f$ J* M6 s1 w. C( L
6 J* X2 j% e. ~ s( u- P1 Z+ kclear-all-plots: J5 G# }6 k" b. C
! t5 M* R; h9 [# x Ysetup-plot1
3 X2 p7 ]. H) v: E4 l: C# Q3 K; ^+ C: k; a: k0 Z
setup-plot2
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setup-plot33 x' [% I# c# D
end V6 N* K, c3 V! e/ d
$ @# }6 f- x6 O+ C) J
;;run time procedures8 A8 b: H/ h, N* _8 }
% D& h/ |9 X- F7 s
to go
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ask turtles [do-business]4 F; F1 P4 k6 D$ B; n
end, v4 `6 g* V1 K- c; w+ r& H3 K4 X
/ i. D6 k' Y- [5 y3 c; Nto do-business 9 c, ]( S4 s+ M) c: t
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) @9 z; X" b3 `9 V
rt random 360- q1 V3 l( X' l& {: @# n
5 b: N1 o' U7 q! u8 p: ]
fd 11 G3 g/ Z }8 M! V; q! H9 I1 C, a
3 u W4 ?; ~3 ^
ifelse(other turtles-here != nobody)[- g* Z8 G* o* j9 ?- T
2 E4 y4 N& M. j9 j- O" ?. Q2 N/ Nset customer one-of other turtles-here
6 S3 F* M% q4 x. ^4 @/ O' L j. t G: w( i, {/ Y J4 z
;; set [customer] of customer myself
4 f2 i E$ p7 Z7 N$ D/ T" @
8 o1 v6 h6 I0 eset [trade-record-one] of self item (([who] of customer) - 1)
7 E+ `8 v; ~" E* d2 f" r4 g1 l7 l[trade-record-all]of self+ { T6 @7 C4 `6 _
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) }) z$ z$ _& O0 z9 v
7 M; G2 I% B" ?) v- ^9 d. b. pset [trade-record-one] of customer item (([who] of self) - 1)
. u( y5 u" R3 V[trade-record-all]of customer- T8 m; Q$ L( M7 f3 u x' r
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set [trade-record-one-len] of self length [trade-record-one] of self
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+ c- F( `, J- h+ _. rset trade-record-current( list (timer) (random money-upper-limit))2 z% ?$ X: P( a2 B& d& \
3 W# f& C3 r [5 q3 x Q) B
ask self [do-trust]
% _% I: t( Z7 ~$ K7 ]- Q;;先求i对j的信任度
* {4 s6 ]3 R! Y0 ~; z
( `& e( O* U1 b, H8 `2 o+ t% u2 Zif ([trust-ok] of self)
# z. g+ [; U! n1 _) ^! P0 h' T;;根据i对j的信任度来决定是否与j进行交易[" U4 J9 W' s8 d' g
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[' ?9 U5 n; Q, L3 w7 N0 w3 V' u
$ F5 x' V* L0 `; Z. [. ^+ Tdo-trade
) u, c- ]4 l' c/ W4 s# c" G0 e- r# d( q# g8 c+ d/ }9 a5 X$ I) T
update-credibility-ijl
# {- e7 T3 Q# G* F3 B9 E8 B S4 E: L1 N+ @% T- |+ Y
update-credibility-list7 x$ u5 G+ v6 Z5 r* }' t
& a0 q2 }) F2 e* f
. a5 ?2 u' C) a ]1 _/ G1 L% iupdate-global-reputation-list
9 \% {& _% [( T2 d* P! J$ G
9 g" B4 d% F! T! C# |. Bpoll-class! \- Z3 a6 h' {
! l* r4 y N, t L, \" F
get-color" x; Y+ j/ m. T0 ~0 f
9 L& G, e. K# Y3 y7 d' ^]]
5 [$ M! O8 Z9 J- v
0 |0 C+ J5 l7 ^9 ?2 ^! y0 K# z;;如果所得的信任度满足条件,则进行交易
) ?; }2 u4 a% P( M2 u2 P- a7 ]/ B" O& L+ u
[
3 U% y, Q* O' K' O% Y( q1 I* b5 Z: X8 N2 G# U
rt random 360
" K9 f% U+ f) M( D' ~4 I! k! R& z6 v6 @; z; U
fd 1: [7 D {& z" w5 U
2 {+ o) U( E# w l2 y" ]& \
]
5 Z0 f! z. L, @" j
I2 y* {* W! O# Q* K' Zend9 I8 {; U. E1 U( }2 u* _
& {5 D! H8 d- Y, \4 J
to do-trust ; @9 m2 s& k* j0 I2 F1 Q. w- I3 g; K
set trust-ok False
: w. C2 O8 j4 N- a8 W7 x
0 |. \( l# p5 j" ]" |# b% N# J4 ]1 [9 y
let max-trade-times 0
) G; I7 R1 m, g4 s& r qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% _( |; m+ O" R8 V5 e0 j: llet max-trade-money 0
9 _+ B! x+ B- O& o. n! sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 |7 Z" z" U6 \0 m% ~* ~8 q
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
$ U5 \* S) p" J+ ?! p. d0 W& H
) p# P$ N, [; s+ m/ M- P2 S- S$ R$ c+ C
6 d ^1 q' T, T. \/ ?0 w$ qget-global-proportion
, @2 Z0 {9 q* T) rlet trust-value7 {& n" S, B; s9 ~# E4 }$ X: N6 K
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)
; ?9 t* e# E$ V) cif(trust-value > trade-trust-value) j% m; l, _: ]) f) G4 V$ ^2 ?/ Q& y
[set trust-ok true]) L$ e1 h8 @9 o1 C
end- O9 y# F$ H K" H ^
+ ]2 K# T7 Q: G5 Tto get-global-proportion1 O$ d8 |& O2 b" i4 m" i( k q5 `
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
) z. B. t! _# m: q% r( K& K[set global-proportion 0]
7 ?' a' U) W; U# V [3 }[let i 0
9 i6 S+ L) d+ I) Hlet sum-money 0% ?' r m6 g! W. T# B V
while[ i < people]3 \0 q9 P9 ?2 F- F3 _! ?
[) m! H, O& s5 k, z3 _- `
if( length (item i
3 K1 t2 n" f( s; V' M[trade-record-all] of customer) > 3 )5 x/ }$ b0 Y, r/ ^% Y0 K* O( \: ~
[ l8 W% T/ X% l5 z2 K$ g) M# a
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 x2 T" b! l3 i( ]) c R: l]" g" E; k, @: {6 o/ }* j
]$ T' C# ?( |3 o+ D
let j 0
6 a y% S8 S& ^9 O$ |+ k; I& ?let note 0
0 I s. z* H+ |9 l- mwhile[ j < people] b: E) t- N" y' M
[
& ?5 _" N- n6 x2 E; H n" k& ?if( length (item i
( k5 [- |* T0 Z& m* e; V1 _6 V[trade-record-all] of customer) > 3 )$ W9 I0 C2 c7 u: H# x, f
[
2 [' j; R2 h5 ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 h' F/ c- z4 O% w3 J* r
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# M0 z& ~. E! l
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# {" F0 C" O A; U) Q
]1 R. M, }9 S2 c. T) g' k6 b
]6 U! \: D h4 f0 {+ ?5 t. [
set global-proportion note# ]; J: W+ [# s3 |( C
]. q" \. i" A6 l* W; \' T
end
+ ~# N" g2 q# y+ o I5 J
8 @, V8 }6 s+ w! C7 ~" Vto do-trade- Q+ s& O- X- J# a3 f8 I
;;这个过程实际上是给双方作出评价的过程
; Y( c6 {8 |& }9 @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 T& k- [& t6 W& R/ x {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& x( n; y: N/ b2 W( p! W
set trade-record-current lput(timer) trade-record-current7 |! p% i! N( ] U! U5 {- ?' A2 U
;;评价时间
7 _1 T1 {; k- |8 w" Zask myself [3 `- L( z8 ^7 |. ^' [
update-local-reputation
9 P% F7 }, Y; ^- E$ }+ r+ @6 `' Pset trade-record-current lput([local-reputation] of myself) trade-record-current/ d* U# F: _% \9 L
]
, a$ Z6 H, L# L2 j. R/ cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. `( b; w b( `$ k: h;;将此次交易的记录加入到trade-record-one中 Q2 V) M4 T" }" a, A: n# l+ B
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( x8 K, r! P& e5 L
let note (item 2 trade-record-current )% O3 o* w( W- d
set trade-record-current
) @! q/ a+ M! Q8 [/ \1 C(replace-item 2 trade-record-current (item 3 trade-record-current))
. Z; t! K0 p- fset trade-record-current& [4 ^3 L" R) D; A& \
(replace-item 3 trade-record-current note)7 Y1 m1 s% E- s2 }5 r1 q( T( V6 ^. B
" P4 j+ `0 U* c2 F* q$ w
; M0 g5 {! u) ^& r! e( b0 H- nask customer [
" B, p- x& @2 z/ _$ Lupdate-local-reputation
" z1 b8 d u# yset trade-record-current* t: C2 g. c9 i4 s$ {0 q- R
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' v& ?* q0 u# n, F- s- X
]
: [. W) T; U( a5 Y: G) h6 X6 _8 b4 j# |; P. e+ H+ f
: w0 V+ \: p7 |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
) y' {+ p2 t- |$ A/ m+ j6 \: E, L% h0 `4 z* @
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 @# _9 b( ]1 E7 P- l( q
;;将此次交易的记录加入到customer的trade-record-all中+ a5 q& [. t `- Y( E
end8 o! c+ B# w1 S4 A5 \7 M3 Z! v
; F# G$ e7 I+ {0 H9 t" Uto update-local-reputation
+ U9 x4 w! m2 c( ?9 a" a% {* V: yset [trade-record-one-len] of myself length [trade-record-one] of myself
. E3 q) f" s5 o+ W+ W8 E
4 C6 n; D$ G" H2 S
" K7 X8 l& q. B& W. R$ A;;if [trade-record-one-len] of myself > 3
6 }0 J) @/ ?1 Dupdate-neighbor-total
, x) F6 S$ }+ B8 U;;更新邻居节点的数目,在此进行$ v. w, E3 \' ~# U0 ^ B& ^
let i 36 m9 N5 J7 {6 R/ H7 Q
let sum-time 0
2 f! X! U- d* K' ^7 P8 O5 uwhile[i < [trade-record-one-len] of myself]
3 e! k Q$ O7 `[
X. I; M* A# @; K8 F5 ^& Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ L: g( p5 b2 b9 y, y
set i( m6 l3 r( b8 \ c
( i + 1)- F. V4 z6 ~1 T# p
]9 g6 K) U: v n `- _) ^
let j 3% t' V. T' z5 m& q
let sum-money 0* u( E2 J v+ r% N7 |
while[j < [trade-record-one-len] of myself]
% W$ k; {, M, S' K. J[# X+ P2 Y% Q8 @; e
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)
3 \2 y* V, q, V) y$ eset j* ?: M' w( g2 _1 L6 _' Y
( j + 1)3 t) `/ }$ B% V/ a" _
]
" E2 Y& l& \$ U8 ~' {7 i9 y, Clet k 3. U, o; u# B6 b3 B) p: A! J% F" N
let power 0: s$ G8 i) P. K1 a2 T/ Y2 h w
let local 0* K! h! [: R$ [0 P
while [k <[trade-record-one-len] of myself]
& v( z! `2 S) y4 n6 c3 i[
5 C2 D: H$ v1 l& a4 `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) i4 _/ J( F# G8 J9 ?
set k (k + 1)
& \, v4 _$ H1 I0 [3 u! o" |1 F]& u: W$ s& W( K* w+ y; O
set [local-reputation] of myself (local)( \! Y: X7 I% `/ L* V" w% i7 Z
end
& |3 ~ i" B T1 c% `% D8 W
! Y5 J" B9 r4 \! `: `6 Fto update-neighbor-total# ^7 `1 l3 J0 w v* v4 W/ I
% P9 T* a5 L" W0 Nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 L( t, Q7 P* V, L& f7 h& O1 S/ n4 R8 l* i- N0 u
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end% ?* i" h* [6 k* \
) {2 o' v( ]7 s& A4 R1 k
to update-credibility-ijl
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2 z( C4 K, D4 j0 M5 S2 e;;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。
( X! O. r2 N' E. A0 R: J: @let l 0, Z7 u* H# `# [2 D& C
while[ l < people ]: D5 A2 l2 |$ k" L. y, w- z8 n
;;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* s4 l: r! |) s ~
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 n$ n9 e3 U* v! `if (trade-record-one-j-l-len > 3). H$ e+ V3 m4 m5 [/ R5 p* I
[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- v6 f) B$ |. l$ L! D3 z3 k6 p
let i 3
% ^( i3 S, T5 p2 a- Elet sum-time 0
- L Q" u! V" W P$ y6 V1 i6 v4 Zwhile[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 U# B N9 C/ b$ uset i
' @. e: K. Y, U8 K# l( i + 1)
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let credibility-i-j-l 02 Z _3 T8 u& f& B/ E- K- B) \
;;i评价(j对jl的评价)
5 q! c3 Z; K1 X8 D" A! J, P5 {1 jlet j 3
' w v! j3 e2 K G7 y- e! ^: X2 plet k 49 v8 l4 }5 v2 q/ t
while[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- {/ Y p# x2 j4 n" N1 S* o6 V1 D
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) |& x! N7 u# X' M# |
set j
4 k. s" L% Z9 n( j + 1)
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% Z9 p2 Z0 D6 ]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 ))5 m. P7 u8 X9 I- J) g5 L: S
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). f- E# @0 D" M) w7 {9 N( S
;;及时更新i对l的评价质量的评价
1 S$ R) S' ~ e: U( d8 z3 sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
0 u1 _3 y) Z# @, sset l (l + 1)5 o- R' b0 l! z. A! @6 t1 x
]
1 _4 K+ {( a% t+ O5 c: iend
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6 P! L5 y' a: o) ~' ~to update-credibility-list
% T. _0 W! ]: ulet i 00 H+ H6 V! c8 L0 h, y, d
while[i < people]/ s: i+ o+ Q6 z9 Q8 ^8 m# `$ _
[
" s( P3 t9 J4 W7 {' \- @3 j7 _let j 0* c) L. O- ^ ?/ \/ L
let note 0
S8 X7 o" X# G9 zlet k 0% [( r; ^9 P3 |8 M8 Q: Z7 s* d
;;计作出过评价的邻居节点的数目+ K. u) G: i' g1 o. D
while[j < people]& \: f' D, `5 A4 ` H- ?$ v) h
[
2 f- w1 a0 J6 K5 H- kif (item j( [credibility] of turtle (i + 1)) != -1)& [- a- e6 x2 o; N7 o" T n z
;;判断是否给本turtle的评价质量做出过评价的节点
2 q# V3 X* z' G8 R( d[set note (note + item j ([credibility]of turtle (i + 1)))% u \$ O; d( n7 ?$ X
;;*(exp (-(people - 2)))/(people - 2))]
7 `) b q- J6 ^' h1 V% Xset k (k + 1)* S1 [: {7 m7 ^' u8 `) k
]. R8 {8 p3 l5 Y; A1 G8 ~+ I8 x2 d. C
set j (j + 1)* x9 p5 V' }9 ?2 f1 ~9 J G
]
' U' k* V$ g2 q: g$ U6 Zset note (note *(exp (- (1 / k)))/ k): P% Y4 c2 U5 N$ P' k2 _
set credibility-list (replace-item i credibility-list note)
! p1 {% j: i( V( M- [& V( Y$ }set i (i + 1)
$ @; F' T0 v0 t) U# C]% p/ g9 E# y ]$ ]
end
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( @# v- q2 A1 t# L+ B% h) Z3 n: M* Sto update-global-reputation-list
c/ ^; C7 X" ]) Wlet j 05 f5 ^( T- ]" f3 P! S: s, z0 H/ @
while[j < people]# P; S6 R+ q; K, p9 x# J, ]
[
% \5 N6 h( L7 G# x$ h% Flet new 0; F, R( ?. }/ d, {5 a& v0 X
;;暂存新的一个全局声誉% s* s5 Z2 M- C$ Y, b2 h6 ?
let i 0
& _* y# h) J6 {0 B. e& I! Blet sum-money 08 i5 A K* }0 }
let credibility-money 0! d3 y" C& c8 C
while [i < people]' x W3 g0 r$ p% _, M& ]
[
+ W2 u& f; o4 E2 Gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# U7 E) g- {5 |! F5 n7 O3 N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! Z! x8 R9 {, M1 a7 C9 m2 Cset i (i + 1)
/ k) |1 a0 S% \; M]( T1 z6 z) e; s! p
let k 0; T- V" g8 ^% f, H- |" h- Y
let new1 0
- m3 X8 D& ~ c( M9 Bwhile [k < people]
! k' d+ w( j; s; i[
! ]. B/ u: G: U% iset 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)
( D" q$ H) `" h$ Yset k (k + 1)
) e8 j; W9 g: u6 j. k G]
2 \ W* g' P: d' [set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( W) W1 Y9 K) g( L5 l
set global-reputation-list (replace-item j global-reputation-list new)- I/ B5 i9 d0 j, D
set j (j + 1)
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end3 y9 ?3 p1 A3 V- }; c; r/ M" k
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to get-color
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set color blue
: P* k2 h1 a) q. bend
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to poll-class! P+ L9 Y: a1 N7 s) X
end/ }& w+ s) e/ ?
2 g9 P5 Z/ R( I6 G1 R8 a9 hto setup-plot14 m% C t& o9 |" S5 Q
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set-current-plot "Trends-of-Local-reputation"
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* u& A4 D1 h" j7 S& d$ S( P! @set-plot-x-range 0 xmax. g( U, N4 H: T. t! P# T* u
$ V; Y$ C, i2 Q! z; ^
set-plot-y-range 0.0 ymax
+ A6 f& H8 u. K5 |7 i8 |end
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to setup-plot2( Y4 n# z' c* s& y5 N( e
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set-current-plot "Trends-of-global-reputation"
3 ?" G5 J# I* ~+ r- \' r6 F. ?9 Q
% p$ F1 h2 f) Q3 O) s6 Wset-plot-x-range 0 xmax2 E( p9 ~- K2 k/ a b
! P T. i; E* c9 |8 Zset-plot-y-range 0.0 ymax. _% i7 a& u% Z
end
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to setup-plot3
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set-current-plot "Trends-of-credibility"
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/ e! U7 D( v) b, x' aset-plot-x-range 0 xmax+ E; B3 }9 ~& _8 L! r
6 g# F( q3 l- t- F' Gset-plot-y-range 0.0 ymax
1 [5 b( d5 @. L8 d: k9 t5 }8 Eend* S D% U! g: ^! o# d, U, d
; t U1 A% q1 G: ~9 g8 kto do-plots
# ^. F- ?) }/ E4 g& M. a# Yset-current-plot "Trends-of-Local-reputation". U# ?2 [" y" M) b4 _7 U+ M) l; W* m
set-current-plot-pen "Honest service"% z/ i1 B4 V' x1 |6 J1 E( j
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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