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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0 |0 L8 r. C8 M0 w# u
globals[) M8 M I+ p+ x: O8 j: S m7 F. Y% U
xmax4 ^, M) p! ^: ?% Y
ymax. W* q% b; g1 M# v+ ` m
global-reputation-list
9 b3 Z! C7 O [$ l% V2 T1 H4 O' e2 d5 ?* O
;;每一个turtle的全局声誉都存在此LIST中
* e9 I8 O$ l# i8 ]* ? v/ `8 vcredibility-list
" l6 `. L. E! I( z7 b;;每一个turtle的评价可信度
" t" E. Y1 K3 Q0 @honest-service
5 G( y+ o8 N4 I& R/ U* s9 }0 @- Hunhonest-service- D2 n3 W) e7 e8 l3 d$ d
oscillation }( }1 b8 Z+ ~. \
rand-dynamic
R& m* G! C W- G1 Y5 C/ {% e]
5 S8 j2 t* V+ s% M7 _8 X/ ~' R5 W% p% y! |
turtles-own[
- o. |7 a4 @: W& j* ^trade-record-all ^/ V4 ?# ?) m& {+ n
;;a list of lists,由trade-record-one组成
! q7 H* b# ~- L+ Ntrade-record-one
$ J; {1 L3 f0 U( W0 `8 d0 q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
5 u& a& |0 }, S( D" a/ o7 A
/ Q4 v1 u! ^1 b5 l6 S( [;;[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]]
0 z. i8 m3 y. W( q9 v4 N0 ttrade-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]
8 J2 d& i5 k t3 ^. N) {* Z* @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- R/ m R2 W6 T0 r
neighbor-total
% k3 E& m2 `- P. k5 O;;记录该turtle的邻居节点的数目9 x% D$ L8 V" I
trade-time
: p5 Q+ L, ]' ~& b! Q;;当前发生交易的turtle的交易时间
$ J) E! |; R: Z; M1 V' Eappraise-give
4 Q- b/ Z/ t) [0 I8 C7 b$ R) w;;当前发生交易时给出的评价
8 n# S4 C: O1 f2 G% P" U& aappraise-receive' ?* L/ {6 r7 s6 v
;;当前发生交易时收到的评价, ^) u) _- E2 j4 [
appraise-time
6 S3 x7 G2 J( r1 Q2 ];;当前发生交易时的评价时间
E7 \# ?: @/ |3 I' S! o+ t% |! Nlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉8 C3 _2 u# W- O2 R6 ~
trade-times-total" u, V: a5 p( y3 A" G
;;与当前turtle的交易总次数
r( p; T; M1 Z8 U# `- vtrade-money-total
1 g" K' u# e9 X# S% J* m* @;;与当前turtle的交易总金额: O' ~* V7 b% l
local-reputation
5 ]1 G3 h6 |" f. S& U5 t: bglobal-reputation
! x1 t8 C X1 z" J& dcredibility
' }# r' N5 E5 c4 k1 K7 V0 X. V;;评价可信度,每次交易后都需要更新+ d# Z+ G8 z. q8 A3 c
credibility-all
+ Y1 ^! X Z6 K# v* O& J) w A+ 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, D7 ?/ p3 E' ]& h' D) F' @
4 [9 k( Z$ a. N0 N1 w- m;;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
/ A& o. H1 x3 q# hcredibility-one) x5 y1 B+ ^: m. Q+ D+ m
;;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 r% b* {7 Rglobal-proportion5 l5 v3 H4 _" `) c6 Z: Y3 g
customer
. B% L% `' p$ t b Y# A* n4 Jcustomer-no
/ r, p# R% P( z* v1 Xtrust-ok
; M q9 n, ?0 U$ S& l( K8 utrade-record-one-len;;trade-record-one的长度
; K0 Z9 S9 t4 A1 ]]
# k1 c, B3 E0 l- G2 }, V- ]& w0 }, B+ v+ ]7 V! Z) z3 d6 o
;;setup procedure
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# h+ V$ q5 c, k6 w J! w }$ Oto setup
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1 [: _% B9 A- I" h, Cca+ g) i* K# i+ O
& p* h: p. P ^% M& {6 `initialize-settings
4 q' n+ N- V& T% r _5 J7 Y# {2 V; }8 @0 q$ i! p/ e, }
crt people [setup-turtles]" ~" P1 _: d+ r" o
1 C, l9 ]( N* v; f% X) m+ \ ereset-timer
/ T" X) a) f1 v6 k* c/ D5 o# C7 c4 t/ l0 b
poll-class
8 Q" s: e+ _" K3 t. V9 H. L) H& P4 ~& z
setup-plots
3 ^( u, L7 M% F1 ]! i% A( r3 G9 @" t2 ^% R
do-plots
1 j4 k q' g4 jend
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" J1 i5 u) I" z8 M5 }) b' ?to initialize-settings2 y0 P, u/ A, N! U S4 x
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set global-reputation-list []
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9 n' A* ^% ]9 a# V* P2 n2 J- fset credibility-list n-values people [0.5]
; g0 h9 f; ?* I f
6 X, Q6 z7 z3 l' F7 `3 F7 _2 ]6 Zset honest-service 0) q% X+ S* b3 D0 q2 c# t
$ a3 m) b9 I% I" Q" G. }set unhonest-service 0" k4 E0 s( C9 @. U [) F O
" |' u) l9 R! [ i5 Dset oscillation 0$ R3 p: j9 J* D. V# ?
! \1 F! a" J" j7 @( c, Z7 |set rand-dynamic 0
: Z) l% }9 h$ F$ O9 m& n8 k2 [end5 |- M, R9 m! D; n
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to setup-turtles
' E# R: ?$ Y# W3 n: I8 P4 Wset shape "person"
0 Q1 h% X5 ^1 K9 lsetxy random-xcor random-ycor+ P- D, ]& p3 l$ \1 J5 i# J! b
set trade-record-one []
1 N5 p7 ~& C1 n1 V7 U$ u' c1 ?* q$ `$ f; L/ [& y3 @
set trade-record-all n-values people [(list (? + 1) 0 0)]
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) K( t* u. ~; B3 b+ t" Xset trade-record-current []% x- S3 g/ L( f8 U& t
set credibility-receive []
. u5 S- i$ M+ v( b* bset local-reputation 0.5
' N0 l, o4 |+ D4 vset neighbor-total 01 Z$ y1 U$ o8 Q
set trade-times-total 00 e+ p1 K( ?3 G% k9 a3 i! m; s
set trade-money-total 0
$ z9 a& ~8 K5 `) Zset customer nobody
) L! z1 i6 V: Z6 zset credibility-all n-values people [creat-credibility]
( I) J: H5 O+ D5 Wset credibility n-values people [-1]
+ {. e4 Z! @& Mget-color
; @5 c' Y' I- a9 \# N% d! y; i+ y3 i0 I5 W$ u( H
end% x2 e2 ]) g8 M5 X7 K! k9 b9 i
$ ` B Q3 t$ d. W% w8 J+ L2 m1 j
to-report creat-credibility+ u: l0 N/ ~, E
report n-values people [0.5]
$ @+ R- g" ?/ h' P7 J6 N% Yend6 c8 h* S- t* P
; N9 p: Z! e' a8 a* ito setup-plots. Z5 \. S' g3 \' b* r' q q
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set xmax 308 z2 L2 ]( h$ r. w, ~ g5 L
1 |0 O5 o: y- q. G" Z' c' @set ymax 1.0
& J( s$ {, O( t) [- g* ]; L( @
1 p4 b( |8 F) ~7 e9 M5 Aclear-all-plots
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setup-plot1
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8 Z2 Y! o L1 O/ Q$ {* w5 O0 |setup-plot2
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0 [7 {: K7 x& A. W: {setup-plot3, `3 T- Z8 U, }3 ~+ U; Q* N
end
+ a+ c ^: H) W" T2 V" C9 W' X: |% V7 {) i! y* Q
;;run time procedures
/ V8 V Y2 v) J- Z3 E5 v" E8 f- s; g" i; J* `# t) `( J
to go- u0 G- _% ]; i: ^! z2 g
x4 b! I1 @! ]$ ~3 |2 Wask turtles [do-business]
/ Y6 [& S/ J; K# x8 Send
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to do-business
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$ g9 E- b+ y1 ?6 G; J- ^7 S( m$ T9 j8 J% l! e
rt random 360
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fd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
+ Q2 L2 _, H+ o1 w l! c3 i$ |6 j( b* X7 t8 D
;; set [customer] of customer myself" y1 _3 @7 I3 R3 E; ?3 n# S1 Z
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set [trade-record-one] of self item (([who] of customer) - 1)
- Q$ ]: g. n% ~; M. N[trade-record-all]of self; d( D- L3 f7 C Y/ k) K. n3 `+ k2 R
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* L }3 E% E r0 v! r3 X
[+ A5 K7 ~: C. n4 qset [trade-record-one] of customer item (([who] of self) - 1)5 d2 E4 _' v7 Q' f( C
[trade-record-all]of customer- @6 V+ K# a& r4 B" q9 Q5 G# c, w3 r
* n# ^: \# X8 ` e# z) Fset [trade-record-one-len] of self length [trade-record-one] of self
" m* u9 G5 ~* r, J" `% ]" S) X0 I' {3 L
set trade-record-current( list (timer) (random money-upper-limit))5 R- m5 k5 E7 ~& _
% U$ A9 S9 Y/ ~. V. Q
ask self [do-trust]
; z8 P1 `& V7 t. d% d+ s;;先求i对j的信任度9 R0 @0 k L8 Q3 G; [/ q0 z/ Q) \+ Q
* \6 Q* L1 r6 l! t/ v% iif ([trust-ok] of self)
+ h8 T5 m/ b& p" ~2 L3 ~7 C;;根据i对j的信任度来决定是否与j进行交易[2 n5 g0 A, |2 l: Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# Z( b& z3 U$ P8 H* T
6 L* j% s6 j% R! X0 o6 T4 h[5 b |& ]4 ?% K% ^+ Z. a/ A
% _6 h7 v6 z( B# _( ?& ]0 r) v7 u
do-trade0 }8 Z4 x# O5 p9 `8 w6 q9 W
9 n2 e( B# D. r( R
update-credibility-ijl% s0 u: u; R5 D! F
* y) H6 a& A' U8 S' r+ ]
update-credibility-list0 Q1 [5 S- x4 W1 K6 Q8 u
4 ~5 e6 z1 ]2 X7 J1 h/ x4 j: c0 e2 ^! d n0 K
update-global-reputation-list: }: u4 R' v. l" O" I
6 u# u: F2 e0 Jpoll-class/ _3 I! |' @" Y9 F H5 ]
1 l K. T' K4 d; m$ f4 A
get-color. I2 q5 z/ l4 [' K4 |# o1 Y
/ K0 r* `, l; |9 `' o
]]
8 A* K8 c3 b9 p1 {, {4 }/ y; Z0 H3 r( `
;;如果所得的信任度满足条件,则进行交易; Y2 a2 U0 V6 s; e; k. x+ F* O' Y
* h% b3 Y) u* t$ W% y5 ^+ e5 |
[# E. {/ ]1 \! x) \( c t1 G U
# y4 C- w8 R. f3 ^; ? E1 h9 \rt random 3600 Y/ \# X" j! q3 x
5 @7 P8 A3 k) m8 y0 b! ffd 1
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end
: K# a" c% |1 V
W- {% U% i4 \7 C5 Q3 pto do-trust 1 s& {: O# `, J7 Q! a0 p
set trust-ok False
- I4 r) k# }9 L4 T- k& y6 I! I& O0 y) q( }: e
0 V; ` Y! |9 h8 @4 {let max-trade-times 0
8 g J0 Z. T" U2 N7 c) Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" S7 x0 U i) V; i0 y
let max-trade-money 0) f7 B# |# M5 n7 @8 X
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 `/ D0 r. n# Q f) R9 o5 x# b" P- `
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 D- A0 R2 S( Q( ?3 Z- @" t
, O7 {6 v' ^6 U4 T
6 B0 X0 y9 [& _4 _! ?% uget-global-proportion' B- P5 w4 z; A! s% i+ d6 e
let trust-value
$ j. f2 O6 x* Wlocal-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 f" \ \4 I- C3 H2 n; ~
if(trust-value > trade-trust-value)1 I. a( u0 Z- i9 ^9 o* x+ f% c0 a4 C
[set trust-ok true]
. J/ e8 V$ R# f* A* P; Lend
! g2 o# A# a% g2 D, ]4 A# D. U% ~" m% o5 a' C
to get-global-proportion
8 J i# h2 b1 mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. }! G8 m+ X' J& l' p[set global-proportion 0], R' i% S( m3 M2 L; f" C p
[let i 0
0 L8 q% A! K* I2 |9 Q( {let sum-money 0
+ A g1 [& ~3 ~# {8 l! b: l4 ~4 Gwhile[ i < people]
4 x1 c5 g4 g' Y7 @7 G: |[
3 e' _9 ~: d* A `if( length (item i
( w2 ?! E1 t e, f2 ][trade-record-all] of customer) > 3 )% J0 y( g4 v( Y& [& ~6 L
[( R9 K0 d% Q4 \* B$ o5 r" K7 j1 C2 y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! w# ^5 i( c' y8 h2 C7 `4 g) p]
0 {* r$ R O- W" b* g]
' j1 P; K% U1 Nlet j 0$ f( z6 m! `$ E1 c% P
let note 07 e5 \: n, A1 Q# x" i N
while[ j < people]9 u9 L* A9 W7 C+ h: X" H6 v
[4 x: f0 d/ X+ v; B! W
if( length (item i
0 X$ U" ^; w! |' U7 @[trade-record-all] of customer) > 3 )
4 V' i5 a% d- u" O[
% ~, p" X" u+ b& wifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 e8 ]* {' m% ^[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) T& Z1 K9 G. L I, h1 p
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% g, `, }4 \) ?- ~ J]
/ t$ X) p% [/ q' x L]
0 s3 Q3 g H. Z) P( w' M F" Nset global-proportion note# M( k2 c( Q `- v
]
! R8 L: D; ?( Oend
# G0 ~1 W# g* _; q
9 N0 n6 N7 ?0 i6 N. oto do-trade
3 H4 f) |5 A- t3 d0 I6 P1 K. h* P;;这个过程实际上是给双方作出评价的过程
& i# A6 K: t% K$ c. N% Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& T/ h( U0 I' b0 ]+ J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, I8 f ^4 E4 ^) [( R
set trade-record-current lput(timer) trade-record-current
5 y6 U4 L3 B, z/ v6 A/ ~3 _;;评价时间, ~. O- A5 W0 j5 G) ]
ask myself [
1 X( y# L$ }. y3 j& S, O- e( ^+ jupdate-local-reputation
3 L& W4 V( J8 A. V7 fset trade-record-current lput([local-reputation] of myself) trade-record-current
$ }9 ^2 t3 H! d$ N0 o* t2 K]
5 U; @/ ^& w6 Q$ g% Rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, f8 x" }1 _5 j1 Z& k
;;将此次交易的记录加入到trade-record-one中
# J1 a {' U& g0 Eset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( L+ X7 a! q; L( c
let note (item 2 trade-record-current )/ `+ s5 V& g5 ~% G! C
set trade-record-current1 j! Z- G0 B6 S& R5 W5 o! U5 l
(replace-item 2 trade-record-current (item 3 trade-record-current))3 c/ m& l: l- \) B, h9 s" y
set trade-record-current6 O; t0 }5 [ F/ a1 C- ^ F( x
(replace-item 3 trade-record-current note)
6 @. b' D( a& ]# I
/ w, t/ V# M7 I+ C2 w
; Q6 P D) r0 S0 E9 Hask customer [
2 K! \+ D- o% }( K, U& gupdate-local-reputation* y" N; r' x' O% N
set trade-record-current
) h' m8 q6 o2 Q(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( F. [ z0 ~7 X3 y* { @$ `]
, b/ r) `5 e, ]. U" a( X9 x( U0 \( a8 B* C) ~
/ H& d `( ]# c+ Y6 K S! _
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, K) V& F+ v: K. T- W9 v y
s, |; M# F) y4 z. }* N
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' n9 x! `6 K v" [. Q;;将此次交易的记录加入到customer的trade-record-all中
8 x1 i$ a8 j& b$ _8 Dend( Q, |) @6 a: a( D9 u r
$ s$ U, L- L2 O" r; R: g$ W3 y
to update-local-reputation: Q$ ]$ |1 p: @1 ?6 d
set [trade-record-one-len] of myself length [trade-record-one] of myself
/ E2 b' d3 N, B/ z
9 }; U2 A0 n$ w6 |! n" l& B4 F
' _, \5 I. M% s3 e) m8 L;;if [trade-record-one-len] of myself > 3 + o/ M6 q& m' A
update-neighbor-total
1 T8 J: y; u+ T;;更新邻居节点的数目,在此进行: _9 A! n, J; l/ i. r
let i 3
$ R5 y6 ^( B7 r/ G. vlet sum-time 0% D8 Z7 K! T0 F
while[i < [trade-record-one-len] of myself]
2 D/ Y0 o9 a' g[4 K% T: p5 v% _7 C3 \- q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- f, o6 y) O+ [8 F
set i9 w7 W6 j/ g1 P+ f2 i) L' o
( i + 1). O% i* Q. e6 [# T, g+ A& d: L# u
]
, g: J' i5 t$ A+ V, i6 l2 olet j 3
# ]! ]0 m2 ], _# v$ I! qlet sum-money 0
( a6 ?2 i. ]8 j5 }3 J) h6 M- Nwhile[j < [trade-record-one-len] of myself]
+ d, u$ q& T1 o* U, O* s8 [1 y[
( h5 t) q, {8 g m6 }% I: F" L/ \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)
0 ~& D5 \: ^) G$ h4 `/ u$ N" Uset j# c7 Y0 R5 V5 n2 }9 V% {
( j + 1)
2 Z5 C8 }% ?/ Q P% r& Z]( c T0 Z! \$ p. F$ q
let k 3
" K) K0 |( y; V& {; l1 hlet power 0" j2 I* y& L$ K2 Q7 H0 c8 d7 P5 _
let local 0
W1 `3 H4 X/ B r6 ewhile [k <[trade-record-one-len] of myself]
. ` `! V3 }" k: Z( j[
, \- R0 P1 N' J3 rset 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)
1 s* n0 S" Q p( g7 g5 |% X7 Lset k (k + 1)/ M: d/ C6 `# P
]
) W8 B5 M! \ n( b. Nset [local-reputation] of myself (local): I& U# z6 ]% U! ]% i0 m2 E, J
end
$ l4 h! }- B! S8 w( z
* A$ X% E" d1 J5 qto update-neighbor-total8 z/ g& N' u/ I% h7 u
# n& b" D5 I! k# O* rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* j; l* d8 I9 [& ?" i7 j3 N
+ t( L" J7 m' w! e
Y/ t6 I' L% e; p; ?end1 L' F" L/ n$ Q: i
% N9 g1 I4 R, ^) M; O! E& D2 Sto update-credibility-ijl
9 j) e; L% e4 R8 u
5 Q1 j/ F) l6 m" w4 P- r& m;;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。5 f) D* u$ V8 v5 t& a5 l* \
let l 0
4 ~- E, \6 G" E5 M& e0 u! Dwhile[ l < people ], t) d5 ~7 I- a L. k, [
;;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* S# @4 i1 j1 s
[
% v7 }- M3 }1 s3 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( L0 y; f7 l/ v f1 }if (trade-record-one-j-l-len > 3)
; l- @( J: a3 X. }, S[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
; {& j8 U, h" [9 x- mlet i 3
) F! o$ @0 X# `let sum-time 0
/ O. O: w) |/ kwhile[i < trade-record-one-len]
5 o/ e+ ~8 h$ R( O[% \8 `7 H2 F0 V# r- X
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- ^# ^! G7 d1 S- D4 R$ a' \: h5 eset i
; |9 t$ C: ?+ D$ m! \! G; Y6 U( i + 1)
+ U' a# y8 _$ K4 Q7 ` N/ x7 ^# Y' |]6 A& i/ s6 c. Z: @2 x" y
let credibility-i-j-l 0" r1 Y! \& ~1 i/ Z" t; m
;;i评价(j对jl的评价)7 w6 Q6 m2 j' p- O. Q# B
let j 35 g0 ^7 V- ^% x o
let k 4
7 ?+ Y2 O3 N* q2 l$ Cwhile[j < trade-record-one-len]
2 Z0 d4 C" Z( o$ E H" W[
+ B8 e) U( W( \2 g' Uwhile [((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( o& j! f5 c, h( z" f- T: `
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)
. v7 @" {+ B$ g; X8 zset j
( K: ^9 o* R* O$ Z8 D9 Y- {( j + 1)1 B* ]$ v) C" C' T
]
% Y# b8 k7 p" Q; N g" 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 ))* O; E: H$ A- P p
3 T n6 V4 y2 G" e4 L* f; Q
5 V8 |& I5 k7 r/ C+ P" N1 nlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- `. \) K6 r! V# B;;及时更新i对l的评价质量的评价0 F' L2 A- D1 z9 N0 j
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. e# E* |% r4 y% b6 a, K" Q
set l (l + 1)
( ]/ L ?. ^, d+ Y]- i1 f9 ]4 ]* T
end9 ~0 F7 a+ \/ L3 C
+ D4 }7 k) Q. b! g" wto update-credibility-list1 H2 O9 F( O# ? R/ ~+ r' ^
let i 02 Z+ L9 n1 ?8 V, n7 _$ L) u5 D1 A' F
while[i < people]
8 v/ y8 V. ?1 }% f" Y9 U3 F[
6 l; \4 t: I* o" ?let j 0: I' x# v, `6 y. k( a
let note 07 U" y" D* J" I) u
let k 03 @' R; M; z" K- s6 x f
;;计作出过评价的邻居节点的数目4 B2 H M" g$ o9 _6 ^' w9 U
while[j < people]* D6 U& H# q$ t: U: `7 {0 X
[5 O" N& B% l- M, K+ y' y' B8 t8 u% _
if (item j( [credibility] of turtle (i + 1)) != -1)- G: P: L4 |' {- L* [/ X- _
;;判断是否给本turtle的评价质量做出过评价的节点
8 v' m, X" b+ [5 T! c1 e! P, X. C[set note (note + item j ([credibility]of turtle (i + 1)))
7 v5 |5 g) V! a& X z/ x: T;;*(exp (-(people - 2)))/(people - 2))] E3 }# V1 ]8 m& V
set k (k + 1)
! B+ T2 n: q2 I z3 X) P: \]0 `& O; z7 t' W+ q+ ~( }
set j (j + 1)
* f! V$ _; v* o! d: j1 H4 S]
4 q. y# {- p% [1 {set note (note *(exp (- (1 / k)))/ k) _: U9 K/ R* q5 A
set credibility-list (replace-item i credibility-list note)
( M. `6 x. j' l1 O! Y+ ^set i (i + 1)
5 _8 y; h ]5 Y9 w( f]% A' Q4 S& d0 F
end
2 U6 k! g- Z& J
d( V5 R& C7 B" ~to update-global-reputation-list. d: v' N7 L4 |& a
let j 01 M6 L) T& W; T; E
while[j < people]$ H" a5 Q, A# H+ Q( D/ P
[
% [+ Y+ R! q7 k0 @# |let new 0; q8 S) v$ L4 q J; e
;;暂存新的一个全局声誉
/ _; a x% s+ rlet i 0
2 r# ^' e, _! i5 W0 b6 m) w# `4 @let sum-money 00 s) T. P/ V- ^: y# k4 H4 Y3 k6 @% h
let credibility-money 00 V8 v( ? m- F( I6 A& _
while [i < people]4 h& Z- W2 v* }6 \/ F
[+ m+ }: l, T5 |& z+ b4 p3 V2 n
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ Q5 t: B, r0 q# `set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' P t9 J( t# \set i (i + 1), X# ~$ B( a) V2 J* g
]
( _' g! l7 Q2 V/ V4 nlet k 0 h0 ]) e- p% `; \% [, p7 {# n
let new1 0
5 a& f0 _' E! g- O) Q- _# iwhile [k < people]1 n0 u8 Y" g( U& [2 Z
[# S( r4 N I% h- q, I
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)% i" _( p4 I9 ?. e5 ~. x
set k (k + 1)) i# L" o, H3 S+ S! }( l0 w
]% Y/ O- a: `, G, j
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 v) d5 i$ o3 wset global-reputation-list (replace-item j global-reputation-list new)9 }8 |! _2 Z8 K0 S5 U
set j (j + 1)
7 r5 U& d, `# u' G4 ?) e) i] G# j( ~4 w" H. `
end
% l9 t& P: n n* J1 K! h; K% k4 \; y, F5 D& O
/ p+ g. n8 e; Y
5 x( Q; j* G1 f
to get-color
" k9 ~0 D2 Q5 o$ ^$ a' ^7 H
& @7 a7 t, F a0 Y4 @# Q6 bset color blue
( F, d$ C2 y# o- X, {/ I; Iend
2 t) y7 a" L: _1 M. D0 |" V. X" S" N$ P
to poll-class
7 I# @% R [1 _; \$ oend
/ u2 r; V/ q, N( d6 p3 `1 Q3 R0 t7 v+ z7 Q- Y8 |- Z8 Q" q
to setup-plot1( C* {4 ~% K: v$ G1 A8 K# Q9 C6 Q
+ b- Z. I; k7 F$ ~( N* `* _set-current-plot "Trends-of-Local-reputation"
5 I# Z# |- ~* z$ v1 B! X
8 X& J! G2 O# E: |set-plot-x-range 0 xmax
3 {3 u* E' O- ?9 U& X. @) A
* s: T4 ]: j8 W% E( ]! B$ q1 a) Dset-plot-y-range 0.0 ymax3 y$ }. ?9 L9 ~8 c% d
end% T3 t' c' s% J1 c
- `% C& h2 M) n t0 k) H/ d& Jto setup-plot2
, Q$ I2 x: V0 i$ ^: c7 F" F) G5 M& y$ U' n; m o7 v: M: W
set-current-plot "Trends-of-global-reputation"
' w' K0 ?7 [) D
0 |6 b- m) m \4 e( @set-plot-x-range 0 xmax" E0 G/ G }$ t4 L- R
' ~: U: m& z1 l$ x. V Kset-plot-y-range 0.0 ymax5 ~2 d* P7 D2 w6 p5 i
end
3 x( E) b- s) u9 b4 t' d1 t. Y4 j+ f- q# k4 i" [3 j
to setup-plot3
* }# X3 f% @+ @4 \9 r! S m+ w) C
5 L+ e. J8 j! w9 }* I. b- Gset-current-plot "Trends-of-credibility"9 A$ |% ~$ b4 ^+ }! n- }4 R
1 h2 B9 o: I2 R$ K$ E" cset-plot-x-range 0 xmax
1 S/ j9 \: E) k" q6 N# p5 _4 h" h5 i6 r. _ X7 M( e1 ^
set-plot-y-range 0.0 ymax+ T. w/ F+ W7 P' ]( f
end
# M+ H' n6 d7 R7 ]- p' ]4 c9 j3 n' u5 h* C( c
to do-plots
$ y5 N$ e) c6 G0 u8 j8 P; wset-current-plot "Trends-of-Local-reputation"
7 y% K6 m# v. ^9 iset-current-plot-pen "Honest service"
/ t3 `$ R& e3 U1 U/ L; D* Qend
- H& P6 r( F2 L- O/ K! c% _. @9 D. D4 m% u1 `
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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