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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' L6 w1 p# d0 a, ^. v- ~8 _
globals[
4 N4 j+ E2 l7 ^3 Q: _2 \5 R3 [6 I3 @xmax
$ `1 k3 @- E& X1 ^0 {ymax3 G$ W- T% d. `& e4 P1 l
global-reputation-list
9 T# Z G1 R4 Y/ B1 t- A6 g+ A) a2 w4 C2 {- S1 X7 C0 u: U5 D1 d
;;每一个turtle的全局声誉都存在此LIST中9 g$ W. B8 T5 o4 h# O5 ~4 b, K2 ?# o
credibility-list) ]( w+ R f6 v4 k, _
;;每一个turtle的评价可信度 D) P0 J% A6 }+ k$ q" x
honest-service1 i, l7 u/ `6 V6 e9 {1 T
unhonest-service
* @6 `; Y8 ]2 J% p noscillation! Y* ~! s; L) [+ z/ B( k
rand-dynamic
: B( S3 G/ {1 Q- a4 I8 ?0 m9 J]6 N6 g S7 n: B6 h
4 C! m9 F6 F( e& p1 o2 b
turtles-own[
8 ?4 Z4 ~6 H" t0 M. @! }6 ftrade-record-all
4 m) Z( F1 P: S8 g5 W1 {;;a list of lists,由trade-record-one组成% u4 K V5 j& L- z! f2 t( T
trade-record-one
: k5 ~4 G" t+ ?* Y7 C6 ?( 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+ m6 `( u; w4 ~2 G* z7 z
# {4 z1 G- g& z0 ?8 B4 C( 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]]: @3 h6 b" J3 f- S
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]
) b! _7 v4 \) p7 u l* {: Qcredibility-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: D4 z0 b1 t. i) w
neighbor-total
* p, P$ \8 [3 S5 ];;记录该turtle的邻居节点的数目" i. y3 H6 E: l# p$ W6 N8 t+ n4 X, g: ?
trade-time
" E/ S; e& ^- l;;当前发生交易的turtle的交易时间
/ F" K6 ~1 o3 W9 ]# w8 v) Qappraise-give1 B/ @# s+ k. z2 A4 Q4 O
;;当前发生交易时给出的评价9 b! I7 T* [6 d' e
appraise-receive
; q f+ V8 o% O& i;;当前发生交易时收到的评价
; Q6 }2 Q; z0 q1 u- ]9 K3 q7 aappraise-time8 w. n* l3 N0 s! V5 U+ E
;;当前发生交易时的评价时间
! J8 w; }8 _( {local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ s1 O. W U- |. L _$ W+ x
trade-times-total# R; |5 R2 | v, D" v8 A0 {$ Z
;;与当前turtle的交易总次数
3 ~; W0 F @' v& k( \trade-money-total
: _9 b$ D3 R6 A0 T4 I5 ];;与当前turtle的交易总金额: W/ k* P7 k! g2 |; y4 U$ O
local-reputation, `2 y# O6 s- A
global-reputation
% h1 h }" A& k& X& ecredibility# W, ?$ V4 c" g: w9 a
;;评价可信度,每次交易后都需要更新: f! H! N9 s3 J: s% t7 Y
credibility-all
8 w7 w, u. J# P( S* R* P( z3 @;;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* n) i" z; e E
9 E# R- ~! E L2 \4 g
;;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
$ j+ g5 p1 b }$ T) k" Zcredibility-one
- \# x3 W3 b4 A! @;;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
: J( l( M5 L3 Y8 k9 D+ ^global-proportion
% O; i( P3 v1 O; F( r' L3 p: Pcustomer
( F& N2 X/ Q: N" fcustomer-no
: O) X0 |" W6 Z, Htrust-ok
$ h+ M# H! D0 d4 p6 Y @trade-record-one-len;;trade-record-one的长度
' {. a8 e5 H |8 }# P+ M2 d/ |! C]8 Y1 |2 I" e- f* r. \* c7 h
5 b( v( y# _8 O: u% W3 a6 @% N;;setup procedure
3 a, t8 k- d* ^* @0 h) a: p4 b& q( f) M, m1 _* ~
to setup" Y3 ^2 i4 f9 H: l' t
7 J9 f0 u C3 e# t0 P* lca
, f: a* O6 U4 b$ B/ N+ i8 v8 B. c5 @
" t) j( V/ e U' sinitialize-settings
& i7 I2 B5 H# t' m
* j t- ?! H' h8 C+ H2 Mcrt people [setup-turtles]
" ?8 S& }+ u+ A0 f4 s' T8 w3 I
4 t$ R( H3 {0 ~) {# w* ^reset-timer9 ?, ~2 L5 R+ r' q; e# H0 F
) b( y; A: h) j1 b" m4 P
poll-class
4 c2 C' S. j) z: ^; w8 e+ j! {% n& L/ J
setup-plots
4 h5 l8 I3 R5 M, A* V& {! U# |' d
0 R- y& t3 `$ y) z3 N- M) Ydo-plots
. d- w; L; j2 N0 v3 }8 L% Uend
& g5 N6 r' ^9 Z" K N h0 S( s6 g+ A/ p) L) n5 {) t7 |" f3 T8 N
to initialize-settings8 P2 ~( J6 K1 D. }9 [- I
6 {5 O$ x$ S: U6 d* q9 h% Gset global-reputation-list []
: \% Q, J2 x! w, z1 y" `/ s+ {, b0 M! D7 l' _
set credibility-list n-values people [0.5]( F7 D5 A) A8 J! `# f
# s7 j: {+ V+ K6 d) H% iset honest-service 0% Q6 e8 x9 }- f
5 d0 J4 O" n! A. ?1 r0 f- r
set unhonest-service 0
' g& N& n+ l+ _$ f: {! G& L: q: E
set oscillation 0
. n8 {) Y4 P; ?9 }+ N9 r
# d7 a( b+ u0 }8 E6 s. `set rand-dynamic 03 o d7 o' s% Q3 o M* l$ y; u
end
2 M; N& {4 D: t/ N* J' B8 L( P, J, E" W
to setup-turtles ) f, n( E$ S; P3 `
set shape "person") d# s" j3 V/ t
setxy random-xcor random-ycor
" k7 ~' b' l. [+ Sset trade-record-one []- [7 R) Y$ u+ t# h* c, {% G0 f
6 T4 t) p6 L$ F4 y9 rset trade-record-all n-values people [(list (? + 1) 0 0)]
, e9 d, l2 L R- | q F y$ z' X% ~& r' v" y4 P9 k$ h- M
set trade-record-current []
3 X* U6 @0 U$ j, n" P8 b6 Cset credibility-receive []
( e+ g2 \9 N) Nset local-reputation 0.5
6 z" f) ^3 l" S( [% j( l; Gset neighbor-total 09 C2 h! O3 q/ {1 ^9 ?& w6 ]: q
set trade-times-total 0
$ G v( @4 d( n/ p8 g Vset trade-money-total 0& P9 m% v; x I" e3 u
set customer nobody
1 Y% Z8 j$ y" Q6 D; X0 Fset credibility-all n-values people [creat-credibility]
" I# f2 V) W2 E7 S n6 k* Uset credibility n-values people [-1]( H, j$ D# Z/ @$ A) B% Y0 f& h
get-color, B/ s% ]5 m7 }0 Q5 h. i1 \: m
8 L& [; u+ ~+ f4 y! a! f# ]- Wend& W7 \5 h7 f: D$ c9 u6 O8 k
! U" F' ]: d \+ V/ ]' Cto-report creat-credibility
8 W |$ N2 q1 c5 O( y) Jreport n-values people [0.5]
7 W0 E6 h4 L2 c# H# \+ ~- Xend
- `* ]0 j' D7 P+ b8 l* d) X% \* A* o# o5 i [' Q0 Q% E
to setup-plots7 |) i/ E0 O8 l$ M: t
/ A9 D Q: o9 ]
set xmax 30- x; @: l0 @& d/ A0 p
" a" z: J$ L8 q
set ymax 1.02 }9 ~- _) Y8 s7 z
' R3 g! z- X1 Uclear-all-plots4 V4 L E# n3 f% ]( s
' `" H9 g* G O: V5 L
setup-plot12 z1 u5 P0 E0 M Y3 E
7 M* m L! a6 l* j$ q" Hsetup-plot2
3 [5 v/ Y: Z- ?' c' q0 x# x- n) ~9 z R
setup-plot30 j g- O; D. f% |) Q
end. J$ o8 n. r8 ^( W. E% W+ ]
+ h9 b- r0 W" `3 W$ ]$ q
;;run time procedures6 z. x8 S l* {5 J4 w7 G1 V8 \
9 L, R4 U6 _( y$ @# n7 e) Zto go5 k+ p# {- L' F8 Y2 O( ]
. W/ G0 e+ n! }" |6 gask turtles [do-business]( k R+ t- h/ C+ w5 W0 t, p6 f2 J7 Q1 q( Y
end
! i0 i. a) w0 ]7 W: M
' |9 |& ?! R3 B T5 dto do-business
6 s# [$ m. [" k7 @" f" W# ~/ h; t4 e$ E6 F
, r; ~0 Z4 K5 Grt random 360. q7 @2 ]1 I. h0 B, r) H
4 _0 ^+ W6 @( c* H% T- c& t% k. gfd 1+ e9 z% k4 T9 T5 L A
G& q* m8 n+ b3 }ifelse(other turtles-here != nobody)[
4 q! C, j9 u# }0 \ Q2 X; c! ^ a2 J, A# v) M% ]/ }3 @/ V
set customer one-of other turtles-here
3 O; v9 |9 q! `& Q' W/ A0 e% f) P1 A/ `6 b% U1 C
;; set [customer] of customer myself
1 [. v# J# c, W( p& P( [, q, L/ M) o, _1 ^3 ]: u8 Y
set [trade-record-one] of self item (([who] of customer) - 1)! ?+ a! [# M. u6 Y* R
[trade-record-all]of self
7 y# q& Y8 ^ t' r5 p0 b. l;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: T. t8 `5 ]/ `, W8 ~4 P+ q
1 p5 A* `7 |8 S& E+ c% R! h
set [trade-record-one] of customer item (([who] of self) - 1)
4 O+ x p# e q( R2 Z* I[trade-record-all]of customer
/ x8 E! x) s6 _9 V1 }) O0 l% X! F" h$ }7 [
set [trade-record-one-len] of self length [trade-record-one] of self
+ n6 Q: q Q# m! i( P& b$ m' b+ d$ P# ^6 z% [) y& W4 i0 e2 A
set trade-record-current( list (timer) (random money-upper-limit))* v) L+ B0 {/ z) U- W6 e S
5 m" g: J/ `6 Qask self [do-trust]4 Z/ B. u. t8 Q
;;先求i对j的信任度
/ ~) m3 ^% `. g# A+ s# H' j6 _; P z( n# d& w
if ([trust-ok] of self)# }) [2 z2 ]0 \( C
;;根据i对j的信任度来决定是否与j进行交易[
) U" h/ } U4 B1 X9 u, jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 ~8 G. L4 e! `" S' q T5 ]* z
6 Q0 y2 [' \" G& h4 |
[
1 G7 a2 E3 I$ ^ d! R9 U8 x
$ ^, O0 h1 x+ x! z) fdo-trade
" g2 o4 E- e1 O( o# `( c Q
2 u5 J' s: w5 B$ Z! {* C3 }2 w8 iupdate-credibility-ijl
; a4 r% b. O! g2 c0 P4 K/ ?1 [8 t/ X& h/ K1 N. I4 L
update-credibility-list/ m/ W9 ^& L" T1 z
* E4 w3 E! f$ ~7 B' Z- y
" G" z% c* F; O* Q' L T/ [, wupdate-global-reputation-list
0 W4 f! y, \/ z# Z# f* `7 h
8 s2 v( H5 n+ J9 } l2 u% tpoll-class
( }& O# l d4 j) _4 o0 p) U/ f' C' W! w, _5 r! D7 x
get-color1 ~3 M, r v ~& u
# b% l1 P U1 P1 C/ P, M]]) X5 {# H7 M( B1 s; A, B) P
3 K$ a/ ]6 ^, H2 ]; r8 T4 t7 @
;;如果所得的信任度满足条件,则进行交易 m. n7 |& e/ O
6 g4 W7 {- N) E/ p4 ^( k. C[9 t N7 Q& T2 z' G1 v
- \: X# s7 B: M0 w
rt random 360
# b5 X* z% {8 X' `# `: Z+ k3 T7 z3 Y; T2 i/ o6 U, r
fd 1) y; P4 j/ K8 P
, d9 D1 g$ e4 s5 p/ {% t/ a
]" E U. k+ v9 D
$ C1 @" s6 v+ @0 Fend' E. s |- l) C) F. s: C: A# A+ Z
+ }: d; T$ y4 b$ P4 r* G
to do-trust ' g4 s* t. |$ c8 i6 e
set trust-ok False
- p3 w5 v- I$ S7 @9 g0 M3 | ]% m0 A- C1 p3 D! \7 ~1 ?9 M: i
/ L% S' f) ~+ a* S$ ~let max-trade-times 0
# H, F: S; u8 |! [! h; mforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
Z% @2 T! V3 ^3 Q' U8 L% d% A5 hlet max-trade-money 0$ |) }% F) U! @2 y9 w- {0 ~9 @/ k
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- Q' H$ }8 Z }' M: a5 z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# h9 `, N- |1 V: l/ Y1 L5 m
1 l( f# e) O! b7 O* h6 G* x; W2 M' b8 w0 e' F
get-global-proportion
, t& ]. F& y$ q! O6 Xlet trust-value" @6 q9 @: u& l/ R( ?. F' b" g
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)
5 f/ U. w! D0 v1 \% `if(trust-value > trade-trust-value)
9 X% Y5 J8 T8 Z- K[set trust-ok true]
% A0 k. o6 H9 \% send
0 ?5 d9 R$ u+ M+ x
4 r/ g3 \ p5 Z8 S: bto get-global-proportion
' l$ `9 h, P1 s# x8 |$ iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
+ _% ^3 v. z2 u- j[set global-proportion 0]! ]% t9 E7 Y6 R9 w
[let i 0
1 V; ~* _) `$ U" `( mlet sum-money 0& c$ Y" X$ M6 H, Q# U# l
while[ i < people]
! f6 K0 ]/ [" f4 {" P+ N, {% j$ Y. c[
/ f) }9 R1 t. W# b! O# Lif( length (item i' e! |4 K' A1 H- }- }
[trade-record-all] of customer) > 3 ); ]3 e- V" [- L2 b# u1 f6 B/ n
[4 Q9 ~1 L1 F+ Z$ v, P' S
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ T8 F& b9 ], k% ~* g: i; X) h2 O! T) }]
y! a4 E% l' Y8 u2 g3 Y]
. C6 K/ V3 ~! P$ C& |" U5 `% glet j 0
) _) E% t* U! v3 d- Ylet note 02 z f7 E% c2 T! y, P1 ]& J: n
while[ j < people]0 x9 P" ?6 s& a2 P$ o6 x* ~1 X- j0 A
[
q# |% z" l) I+ g0 Sif( length (item i
5 Q, |2 d( l! t* i( X[trade-record-all] of customer) > 3 )2 w$ Y: {- c Z8 h* ?+ t% H! g
[
, i1 _& V( g, }; y$ W& B Pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) S- C2 C% T0 @) f' j+ r( U; Q
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ K5 y# W8 A! Z1 x8 r0 ]$ j
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 K- Q" d; a. |1 f) s. h]0 J8 A. N! D9 [- {( p
]
4 B+ a) ]0 v0 Lset global-proportion note
* J# e3 D) l3 [* p( T0 K]
. H5 ?# m2 o2 B! {, \& Pend
8 `$ n" ^. G3 N1 P
" y4 e9 b/ [: z4 b# i. g6 Q3 jto do-trade( B' X) H. }: F$ G
;;这个过程实际上是给双方作出评价的过程
9 a5 K. k6 H" |2 i! R/ iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! e2 N: ^) J" W% ^4 pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, N: z% n" L6 m) a* E2 s
set trade-record-current lput(timer) trade-record-current( E* }2 g0 r6 A6 l) `
;;评价时间
% Z9 k2 D: L9 `" K6 J A5 ]ask myself [
4 J' t0 ?1 y. Y5 f6 [# n4 i* \7 m; v, cupdate-local-reputation, ^1 r. q$ |1 A* p2 _3 Z3 c
set trade-record-current lput([local-reputation] of myself) trade-record-current
$ h% }/ B5 p/ q* l]
2 b" A. `1 N/ fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself J" t( n1 w( J0 R1 V! n# W
;;将此次交易的记录加入到trade-record-one中6 P5 @1 C- ~9 \
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 n( E( N1 S& s% r4 llet note (item 2 trade-record-current )
) \( z* I; ^* C! L' }set trade-record-current
7 x' }9 Q% `; r' u& j/ T( Q8 u+ n+ k(replace-item 2 trade-record-current (item 3 trade-record-current))9 J/ X6 h4 W U( a7 ~) _5 t- G
set trade-record-current
R1 Y+ G: G9 S8 F/ f7 y+ s(replace-item 3 trade-record-current note)2 l( a4 L+ k9 b; c* B# M& L
8 c- G4 I+ J! D* e( c) l* d; b
6 h; D. e4 G; I: a7 O: s! A0 X6 Iask customer [
2 U# ^& h" |: wupdate-local-reputation3 c7 }% e" j$ a8 w8 @4 H* S7 I
set trade-record-current
4 W' ^! R+ U4 r, I& i(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 `9 Q1 u% S0 v) H7 a
]
6 K g& V6 Z5 Z% T. R! o0 `6 X) p
( H( Y' T2 h6 D) F# p) O8 f0 g/ ]' w' @# |% \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 n3 A9 j7 e$ N4 Q7 p) v+ M
7 [& W; I3 ?: U* g% S+ a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 K$ | q* A( h5 h1 v: F1 x. ]# O;;将此次交易的记录加入到customer的trade-record-all中4 l% d" S/ a8 q2 ~, @
end
9 q/ x0 i0 z$ N' K* w
5 u1 B9 z; c7 `" R) M" Wto update-local-reputation; e. e+ V$ k0 i% D
set [trade-record-one-len] of myself length [trade-record-one] of myself
7 Z% s. U, U; R8 H' x0 O$ }0 a* \3 [1 [! c! H8 ~9 w' f
) I" D3 b/ J6 K" u, m0 \;;if [trade-record-one-len] of myself > 3
! @6 A2 d* {: _; Iupdate-neighbor-total2 a$ u# \3 G! m3 @- E
;;更新邻居节点的数目,在此进行
- Q& u% v) e! i$ o8 B: r6 Tlet i 3
8 u3 l. L( S9 \! T4 ulet sum-time 0
6 F: g: a- V8 p$ \9 `2 o1 Zwhile[i < [trade-record-one-len] of myself]" Y$ p1 y; u$ Q: u
[) ]4 h8 {1 e0 d1 _2 {
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) q) t$ e( s; W- T9 B
set i5 [* h% X. L8 k; r; [
( i + 1)1 U2 r& s) w9 T, l8 \9 Z
]
7 `( u' T. h" n+ E6 q0 ~let j 3# j& `: j4 Q( l& W; H* B% P
let sum-money 0
. G9 l1 c9 B" G, y' Xwhile[j < [trade-record-one-len] of myself]0 M9 s4 X2 I+ D: n! ~; @# F1 m/ A
[
9 f* S3 T, ^& f4 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 g# Q9 e$ f: u6 @( d" \7 v
set j9 p, Y" K* N6 o6 M
( j + 1)/ d: s% j' ^4 O
]
! v9 B( o; o8 Z7 b/ ^3 P& Mlet k 3! ?: ^3 Y5 ^2 y. Q
let power 01 Z" F8 k2 x, L2 `
let local 0: J# G+ E4 s2 g" d3 P1 i$ b) y
while [k <[trade-record-one-len] of myself]
* p# ^6 w, C3 t, ~* }9 x[- A4 k' F7 [! z! v; ?" S4 q9 T, \) 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)
4 c4 ?/ |: w/ n, b5 E7 Eset k (k + 1)
! G) ~7 l0 w2 U% {] v, N! H5 w+ f% \' j1 `
set [local-reputation] of myself (local) X4 [' G& ]" {
end# }/ {9 ]& f& [) U8 t4 S2 G8 e
0 t$ x2 h+ {- F& l
to update-neighbor-total0 k9 s) |: V; `! S9 H
: s1 b7 ~" L3 a1 eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ i. O( l; `( p1 g5 g0 \/ ~' A. g1 q- U+ T) ?
& \: a: F8 ~( X
end, O3 Y, y) r: f- x. ^
5 U% c* o5 o+ p, X ^* |0 Qto update-credibility-ijl
4 T2 M1 F. a& K I$ k+ V/ ^
- a* c* [" |1 W ?! q;;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! @7 P( h3 U% glet l 0
0 `# @# O" b3 {" {while[ l < people ]
! F; V( U8 }* w u;;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
' f! d T* {( s$ L! x4 O8 A[. x8 D+ \. j: K& K' D! u+ u. |! d5 d
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ ^$ |& C/ x3 X! b7 L8 R) d6 z( Eif (trade-record-one-j-l-len > 3)
* S9 i/ M6 O" ]( t+ W" `[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
9 U- l3 D$ \- f/ A! ulet i 3* {' c. I5 B/ I; R5 m A
let sum-time 0. L% ?! ^5 r, Y1 K* c
while[i < trade-record-one-len]" e5 P) y* x# _7 j2 ]5 L4 e
[- y. r: v, s/ [( C
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) b/ u: c( E* `7 q; T! n8 d+ Y
set i% u" {. v$ F3 s- n5 k: V3 }
( i + 1)1 ^6 D* c. q- z
]
8 D5 U( D/ d+ L5 Q y4 w. Dlet credibility-i-j-l 06 h" }* ^8 ^- v' v; z
;;i评价(j对jl的评价)
; t: | h% A& a1 |5 X8 R" Plet j 3
1 p+ z+ B2 `4 A2 \5 jlet k 4
, v5 L1 n Z* Xwhile[j < trade-record-one-len]. r/ M# O1 `% z* B2 H, Y
[
* M: x3 E, i0 U5 _8 W$ Iwhile [((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; k8 ^: r5 X$ U) r6 _ l* A6 @
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). H5 H4 Y) x8 }$ b
set j
: y+ s9 Q, z8 R2 Z; V2 C$ }& @/ F' |( j + 1)+ t. o: [. H& y( e
]
) P5 ^, w& `; B; cset [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 ))
& c1 l/ w: J/ G8 u
: B' m3 b1 s: U, h3 k" c: c& X4 L7 E- h( ]& {8 u8 f
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" v( G0 {1 }5 W% _& \, r;;及时更新i对l的评价质量的评价
. B+ w; ~0 O( hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 l) S% d6 W A. e+ ?2 I
set l (l + 1)
4 _) u9 O! A3 r% f# V- }% {1 d- H B]
- n# G* P2 m. G. K2 B" qend
( B6 s1 r- M" {; @0 Q8 c8 G
: \, }) U) l4 \4 F0 m$ ?1 F5 s- kto update-credibility-list* z! a6 \" L5 p- ]: |; `6 Z
let i 0
! o9 t) l4 y, s/ C0 Swhile[i < people]' {8 J1 N! U% q8 O+ f
[9 `7 ~7 T' d3 v8 `& }3 h' K
let j 0
: g* L' t A- u2 K1 ~: `3 glet note 0/ Z! n) U+ ?+ f
let k 0. ? }. o9 q" Y1 b9 {# X
;;计作出过评价的邻居节点的数目
- @1 x, _( _% g$ uwhile[j < people]
- Q7 L3 d# p: E[
# O: @" e) e' S8 B8 fif (item j( [credibility] of turtle (i + 1)) != -1)
, e/ K* g3 h; n+ F; l( r& T;;判断是否给本turtle的评价质量做出过评价的节点% [( x: J, Q0 r: @3 L
[set note (note + item j ([credibility]of turtle (i + 1)))- t. Y0 ]) B) V
;;*(exp (-(people - 2)))/(people - 2))]! G# C. x" E a" s" m
set k (k + 1)
7 A C0 B3 D+ m+ d q4 V2 a]; x& r) Y0 l+ L6 q
set j (j + 1)
& d) d( ?2 g8 r( }9 `]) E% {0 J4 K2 W" O t' Q9 ~
set note (note *(exp (- (1 / k)))/ k)) M* O7 r' c: [' u
set credibility-list (replace-item i credibility-list note)
7 A, G4 I/ I! _1 _" rset i (i + 1)3 C8 j' V6 K5 j4 W; C/ L
]1 ^, g3 F0 E/ m+ R1 b
end, M( C& }. n0 j1 X
# _$ P% m. B. H6 a
to update-global-reputation-list
( G# E8 ^2 ^ v% _$ c$ blet j 05 E" A2 W+ _- O1 @2 o1 x) D
while[j < people]" G. X% L- r* A' R
[# X% D3 c5 w# S8 N' Y2 z
let new 0+ o# D; R* `: U- |7 x: o
;;暂存新的一个全局声誉
. J5 B2 V0 t' J% Slet i 05 h4 n% M& g$ K }( }
let sum-money 0
. A3 i" s& G, @) X" l* ?3 rlet credibility-money 05 G* M: |* @2 x! f g) `- d {
while [i < people]; F, X/ g7 @0 X: W6 A8 K3 I
[
8 R( i6 j8 q+ P1 x" [set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 p; Z: d& C0 M1 { T1 B
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))/ P1 X6 o* m) G5 b H" ?
set i (i + 1)
# h: ]& H8 o7 p* V9 x]
3 V- i( p# K* U) _let k 0
: H1 c* P8 s' R ], Ylet new1 0* _+ t. @4 j0 C
while [k < people]+ |* M6 t* i4 I+ X
[
7 u& {) M% }5 {8 Z5 b) yset 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)
7 b4 b1 S% E$ h9 Oset k (k + 1)
& G+ z3 E. u/ H a1 u5 {9 Y1 \; i], T3 U/ L, n. h4 G
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, e5 v: g# N' @set global-reputation-list (replace-item j global-reputation-list new)
/ o$ b4 V8 i, }" Mset j (j + 1)+ r$ R0 }4 c2 g2 ]8 s4 Y
], u- v" u: K4 H5 E. D6 H
end
; |! H$ S3 K4 \% V% x
0 z6 W7 h( m% E" w. l N9 O/ z. Y% @; m0 X( ]
- E E0 K: Z- P5 {, c
to get-color) [. R" ~5 G+ d7 z
9 m3 h- { @( c$ Cset color blue3 \+ H" V* b8 g* O' L
end
3 Z% {& [' h1 f! k D2 x) `) y& R- J) [$ ]8 E* E
to poll-class4 R5 N, ^1 }8 j* C+ H, j
end8 T- _& K3 j+ q
8 Z' H6 o" n8 n3 L
to setup-plot1
2 N& u' T& A, i; ~
G# z2 F( S- P. P8 k$ Qset-current-plot "Trends-of-Local-reputation"- \6 x( H0 n" R% K- K1 U4 G3 E
6 d3 f! l+ Z! T7 O2 S
set-plot-x-range 0 xmax" n$ X0 W* k6 A) R1 i3 ~9 }, g
/ N) g& B* ]! N* L; eset-plot-y-range 0.0 ymax& \2 L/ ^2 W( X
end
/ `+ A7 R: c$ {% ]3 o- T5 z2 `0 `0 v4 \5 ?1 O& E# F# ~
to setup-plot24 d5 ^: J: A& m. d8 W1 x1 _' P
4 V* ^5 |0 \6 }set-current-plot "Trends-of-global-reputation"# ^/ N! W3 e4 l" A: j
- L0 y* U: n3 Z- Yset-plot-x-range 0 xmax
4 Z9 E. D5 X/ f5 q9 z/ h9 g
, W4 e) _+ F$ g/ O, Wset-plot-y-range 0.0 ymax# D8 D$ F" V2 F' p$ o2 E! Y) j& v- n8 w
end
( l3 {; l, S. e
9 L) Y0 G- H5 oto setup-plot37 z. }5 H( R P% A& J0 K
2 L1 N/ h3 V* G8 B
set-current-plot "Trends-of-credibility"( P/ E( y) A, F/ [. ]7 Z
, H' H P( w7 K# L8 ?
set-plot-x-range 0 xmax; o( M3 h% D+ w
9 P& a, q* [+ C# ]* p4 Nset-plot-y-range 0.0 ymax; b p5 ]* j4 R, \6 U5 p
end
4 Y9 J9 V8 ]% O+ X: G& P6 m/ l6 r9 ?$ W) f
to do-plots( x5 r# u' Q% ]" q, o0 ^
set-current-plot "Trends-of-Local-reputation". k) ?$ k+ q' {+ ?, k0 M
set-current-plot-pen "Honest service"
2 V; R! O& p( _% v5 G3 e& kend
4 y0 h( |" q; a. e1 z( z6 N
( Z, _ \5 \0 y i# w[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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