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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 J6 U4 C+ M0 J3 A' g: z* Iglobals[
2 g8 t8 |; [) f8 W" D6 K) c2 Exmax
- c. R( g, U6 yymax
- k) |! \$ b/ t8 l- |' Kglobal-reputation-list$ ]. |4 j% A! T! t! R* t# g) f
l- K% ]* \, C0 B: c( b3 i;;每一个turtle的全局声誉都存在此LIST中
, u& C" c5 C. V8 ?1 v& Dcredibility-list
M; t, {2 ^/ h. ]9 \;;每一个turtle的评价可信度
& E6 P% ~9 o1 q& vhonest-service
+ q' S/ a! {) p P. C! |0 iunhonest-service
8 j$ ?: ~, H7 K- loscillation' ^& M% {: @ E1 y6 M
rand-dynamic
) N; |: k' m z6 a. r]1 O. d. q# j" I6 z) {5 W( i+ B( s# J! |
7 ?6 d& M% J& L mturtles-own[
6 N4 Z- j+ @3 y/ s j2 i* M1 ftrade-record-all2 x( E3 v$ j2 M; E+ D
;;a list of lists,由trade-record-one组成
! C! Y+ w, Y) J) v) _trade-record-one2 b B2 d0 E0 `4 y
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: u6 p7 l& T* V
' }) X3 X" j6 [' Z, Q;;[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]]$ g: T/ x8 D; u3 K5 y0 t
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]
Z5 @& ?: d& r9 q8 y5 [# s5 tcredibility-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
; ]" y' v- l6 W/ m1 Jneighbor-total& U. E+ x% T- e# h8 s
;;记录该turtle的邻居节点的数目7 v9 C: a5 b$ {$ V
trade-time
; |! ]- X$ }' G9 B. X8 Q;;当前发生交易的turtle的交易时间
/ A# k9 ]4 e3 D W# z: A' Xappraise-give; A& O0 C& p9 ?) Q& b0 I# G
;;当前发生交易时给出的评价. H0 [% b$ Y9 E
appraise-receive1 L6 S0 M0 X; k- W4 C
;;当前发生交易时收到的评价
0 L' m9 y# n9 t1 h% Z. W$ z5 a' Vappraise-time5 ~5 J6 G& W, w" g! {! j$ k# Q
;;当前发生交易时的评价时间8 W$ E* ?9 @4 P ^) ]* ~# F
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 b- O. S. E; Q: e( t; Gtrade-times-total9 |. S* G/ e' L
;;与当前turtle的交易总次数
; D C) o- b. X! c5 F9 C F: Jtrade-money-total3 X, U; Y% l0 ~, \- u; `$ [- }# U
;;与当前turtle的交易总金额
d2 R+ r4 n# O) ~% u p: S6 ?local-reputation/ s5 r2 w" q2 a, _' b
global-reputation' f5 T- e5 p/ [7 J& ~
credibility2 W' w9 f! O$ T
;;评价可信度,每次交易后都需要更新5 g P0 b; h B" [, M) M/ m
credibility-all
% ^- i" [( A- W2 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! Y* s' M- ]$ k/ O
' b$ c3 h4 {4 D- K' 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! c6 E6 ~5 o6 a) ?) s
credibility-one l0 O+ T# v( ^% d# L
;;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 _0 @& _7 h* b" Pglobal-proportion. @! q* ]' Q7 H, Y5 s8 [
customer
1 q2 {+ I; @4 z0 i! a) Ycustomer-no
& _! T; N2 x" C3 x& b' [2 utrust-ok0 {+ w- p3 n6 H9 C: w r% F
trade-record-one-len;;trade-record-one的长度2 z7 K- C$ l1 p* [* d9 [" D) v
]
( Q+ H; R% p* p( Z+ Q5 S6 ?' `! b4 s. ^
;;setup procedure
" [$ Z# j8 _+ D3 H% D4 ^8 z! u2 {: w0 }4 o+ Z, ^2 S
to setup/ w" {( G T$ k9 w3 ]
$ D5 f( K5 v* `% |& X
ca
6 y( Q# }9 `: E7 B1 x
5 l+ N+ N/ P S" A# m1 ainitialize-settings2 y- u5 m. x8 \( I w' d
1 n. P, J/ t( I8 ]4 ~' p$ i# R
crt people [setup-turtles]
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, b, W A) ]* K3 ~2 Yreset-timer a& O& c0 T& u" k) V
* H8 f6 _9 Z' W* I% F! w
poll-class
! X- j. C. U0 u8 I8 {. s* H4 B4 k5 Z+ l
setup-plots u+ j7 A- @4 ~5 c
Z3 y$ G4 u4 xdo-plots, l9 z# ?( _; Y
end
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) r, d$ E( |+ _, `to initialize-settings
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; K5 X* ^2 E" ^# kset global-reputation-list []/ F3 v( n) Q- E: g9 d
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set credibility-list n-values people [0.5]. ~; e7 d6 a) I" E @
1 t* @' j, T' c! Pset honest-service 0
3 h3 D5 m( j% E! I2 `% ?3 L9 B( Z: O/ h' v! d. p& ]8 ]
set unhonest-service 06 v7 v7 g; v1 [3 s3 i; O% o- H
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set oscillation 0: U5 [, a9 y' g/ a
2 { F! F6 V ^set rand-dynamic 0
5 H4 [9 }0 G/ t, R1 F) _5 z- Cend
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to setup-turtles 5 {) k, {, _# ?$ `$ \( L5 a: c. p5 H ]
set shape "person"1 x6 J9 @& N& L( q
setxy random-xcor random-ycor% B4 @7 G; X' c# n9 e0 r7 x% s- \
set trade-record-one []$ v; H* i0 y9 p" R8 y. {
" b! o. S k" |& w7 a' L$ E$ E' u( `) p
set trade-record-all n-values people [(list (? + 1) 0 0)]
8 d0 H. c2 p, y( B0 }+ P# e# o% ^$ `( F$ V% b% T3 Y$ Z2 `: k
set trade-record-current []
9 w( |! i$ U1 a- ^) H5 eset credibility-receive []
* {4 O' P; z, P6 n! M% Iset local-reputation 0.5
/ U7 Q. n$ V: W1 i: G- ]- Dset neighbor-total 0- R; G }+ ~0 b. i9 Y
set trade-times-total 0" e) u8 ]- q& o& p/ _
set trade-money-total 0' y3 ]5 ~% V2 v
set customer nobody
% q1 V& H) m* k# {, U6 gset credibility-all n-values people [creat-credibility]
( n, o8 G9 D! S% I% Oset credibility n-values people [-1]. B( r+ I9 y" p. \# i$ Y, T
get-color. x0 y% @) f& E* q; r8 o
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end
6 ^2 [ b- z0 X# a/ ^' x- ~9 Z
, j/ {5 h. a! W. I8 v/ ?0 ato-report creat-credibility X: N: t! J7 m7 l/ k0 U
report n-values people [0.5]8 u5 e( d, z. `5 c y! [& v
end2 a1 ^: }4 |. S" ? d( B
c2 F( s% A; ~: g6 n* d, q
to setup-plots1 Q! o$ i' \! m9 m
* M, F, z. G7 L' m1 hset xmax 30
$ M2 w! F `) f, k
0 w& D5 Q a# Z2 b8 Hset ymax 1.0
* V7 o- w4 ?/ r( b7 j' w
4 l' N, d; E( s3 G- `, \clear-all-plots' X4 P7 X8 b1 O7 K
8 c: H, X, n; e8 [! {% s R' b
setup-plot1+ U/ I& P. O. o% P; p6 S# R2 Y
+ _' x- N: J! U$ p4 x4 A- P% ? x& rsetup-plot2
# e; {! `, ~5 N5 @) \0 B& Z; g: _$ i2 D; Y
setup-plot3) [8 p- k( x) @' b8 |, {
end
4 s* L3 u9 q7 j/ G; Q/ \' h+ n w% `* l
;;run time procedures8 d0 F2 c/ N$ S" x# a) [. r
5 S+ [; V" e h1 f- @" m, Rto go# K+ Y& Y1 D) B0 `# d; T
7 z. O, t4 B& qask turtles [do-business]# u0 Z0 j; P d6 @. Q0 C
end
' r6 s$ y# N7 J7 h8 \% x: z8 d- ~0 p/ `* a# l$ y# |: ^) s$ m- {
to do-business
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9 Q" E' }7 m5 I& R" \3 I) n. h% f" M' b b3 y' ?
rt random 360
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- j. }: Z0 }2 E2 H1 @fd 1
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ifelse(other turtles-here != nobody)[
$ G8 _+ p/ v, m* d5 ^' S7 n$ M1 ?) e# m0 Q: c9 k3 J& @* c
set customer one-of other turtles-here
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6 i- W! P( m4 V+ B! p7 h;; set [customer] of customer myself
) B8 W& l& p% b% ^% F0 \# n
/ Z- _% [- Z9 c" a4 v7 Xset [trade-record-one] of self item (([who] of customer) - 1)
$ _) \) l% }. `9 W/ M3 U[trade-record-all]of self
. L2 b( S: D- K; n0 r8 w;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! y5 u8 e5 u. _3 m& x
) W# Y5 |) P( U* K; o, J
set [trade-record-one] of customer item (([who] of self) - 1)( p! e. ~3 K( R. C& q1 i
[trade-record-all]of customer1 M2 u( e$ M+ w7 l5 x
4 F0 `/ W; B5 L" ^& y' H8 gset [trade-record-one-len] of self length [trade-record-one] of self
_1 _4 c# A8 F5 C. a+ Q* U2 p6 D( A( S: i0 R; r& C
set trade-record-current( list (timer) (random money-upper-limit))
7 ?8 y( \* V. _, \# d' L q2 O, L! R) Y
ask self [do-trust]
& E k# N: A1 L6 n' ];;先求i对j的信任度' D+ \( `! p9 q6 E; E p. |1 W
$ _8 p2 I1 ]; bif ([trust-ok] of self)* s3 C! |' ?6 H5 ]: g" C' y( j
;;根据i对j的信任度来决定是否与j进行交易[/ B ^3 ^# o) i$ p9 C# x d) J; L
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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5 M/ a& b0 A: T[
3 m8 d+ w7 ?$ z, l! t. @
: n+ B" h# h# u* T2 q, @4 Jdo-trade) [1 a8 W* P2 D i
4 D8 [% K$ |/ `, ]
update-credibility-ijl
! \7 n J: ?# S, O9 T
8 G" \+ f$ n+ U; Lupdate-credibility-list
; ^7 q8 D0 T& A# V1 ], `2 u Q- x' } a& e1 X3 d
2 e, j3 o N# C+ M: M+ v
update-global-reputation-list
7 V6 o: S' V. I
8 P; g- k( x" G+ e5 T1 x; spoll-class
0 X/ k9 H# D! n0 m% q0 ^4 u' [! z" \; B
get-color
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* V+ t. }: C$ e- v y1 `5 }]]8 d, P5 @+ w# k. H$ l/ V
7 r$ d" Z% A! r
;;如果所得的信任度满足条件,则进行交易% s# c- p: c/ h
7 ]; [/ Q$ ]+ f- x9 |0 F8 M[
! A8 g" m6 i1 l- H/ e- ~4 f/ Q. G7 r, z6 D, Z
rt random 360+ O: A0 j8 y/ T3 O
t' m1 k8 y t" @8 B% K! R5 g
fd 1) ~; H+ N n5 K% o
3 x% d5 `+ w* F9 v]. n( |# d' c6 G$ n0 @
/ h/ q" G! @* U' c) U/ o
end0 m9 u9 C( C' J( ^% N
) y0 p, ~* i/ Q: {! F" ?/ T
to do-trust ; U9 ]7 k0 W+ v7 g3 b
set trust-ok False
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+ D( x* O$ J5 t# alet max-trade-times 0( [5 l( P: Q) Q$ K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 ~% E! R# ], w, ylet max-trade-money 05 L/ H$ ~0 g$ |8 }
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]+ e6 n \2 L' x* S
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) k) z% |) Z* v' y' |& y# @
* f' `/ I% a- o% B# X! j0 j# w2 N+ y8 ?% s+ F$ N( }
get-global-proportion
6 b, w; g$ j: N8 t( clet trust-value
; I1 g# N5 t5 I3 w1 ?+ [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)
1 ?1 Q6 o0 K% }: \- F; Y* kif(trust-value > trade-trust-value): T: v. f! r4 M' d: h8 h
[set trust-ok true]
. R! } H- N5 f% [2 a8 x m' Fend# G5 L4 Z0 r7 q# `7 q" C
' W* x- Z. R2 wto get-global-proportion5 }. L& f, \1 J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
+ g% x8 [+ k! O. D9 H[set global-proportion 0]6 G5 A) o2 {- Z1 C/ n4 `+ p! l
[let i 0 z0 B0 v+ j5 w! p6 }5 D
let sum-money 0
# U& k2 f5 Q. q7 D& L( W3 f+ H2 w+ Lwhile[ i < people]9 u8 Y2 l A4 Y: ~6 T+ g- a
[1 A7 B% x/ f7 J/ [
if( length (item i
7 u1 S8 w4 V5 i/ l; x* G0 Y; a: J: D[trade-record-all] of customer) > 3 )
" F/ v( \% p( x' k" x5 d- F( L2 J[
5 z$ j; Z: }3 u) o0 _9 [7 H# Gset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 b* k; {% s% L5 L4 \3 L) f8 a]5 C w: w1 Z* V! E: H1 L5 d l
]
0 k" j( T' k: Z0 H+ W2 g8 }let j 0
% W( y* n0 G# J$ O1 J+ A( mlet note 0
6 y3 z7 i3 |* f' [* t4 Twhile[ j < people]9 P& I/ x2 A: {# E3 ~- m2 o
[& u! T8 {; s( Q; v9 X1 f( M
if( length (item i6 v$ Y% s4 Q! j8 ?" d( B/ q) Z
[trade-record-all] of customer) > 3 )! C& M" Q! K, Q; e; M5 z! V
[
7 [* R) _2 K! Y4 X* x1 F/ O7 l, K: O' ?ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 V0 d+ {6 s! N3 I2 P[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 R1 o% V* \9 y& O+ J% }. t
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 O) m& u1 B: _8 u/ `
]
+ _3 z+ J. ~2 C]) R% i c* C* P! {& G8 A
set global-proportion note
# z) e* m I3 j' e]
) U. n% X' N8 i' M# Tend6 z0 m7 `$ r& n v5 ]4 B+ R
1 @. \, D( [. A+ k9 U' }# i. k) oto do-trade
8 l$ W1 ^8 |( X- o! m, k;;这个过程实际上是给双方作出评价的过程 `( n7 M; Q& b' Z6 ]2 N9 ~
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( m7 s& m5 Y& g! ?8 N D
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. R) c/ x1 ]5 q1 T' xset trade-record-current lput(timer) trade-record-current
! ~/ j Y( q; M7 n O# Y;;评价时间
$ S6 J8 X" E8 F" A- |ask myself [
3 T+ Z0 `% x7 Z$ o# bupdate-local-reputation
; j x! j C h6 q) Mset trade-record-current lput([local-reputation] of myself) trade-record-current
2 R4 q" s7 ?/ G0 A- @]/ K$ |6 y* R- z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" M- A# c: L. Y+ G- S7 H8 k;;将此次交易的记录加入到trade-record-one中. s2 S0 S% h5 ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 F; K/ U L7 d B) olet note (item 2 trade-record-current )! L% J1 J. j2 d- \% {6 q. f
set trade-record-current
& B8 H. s5 n) J6 [(replace-item 2 trade-record-current (item 3 trade-record-current))! S4 P0 e5 D2 k2 [8 ?: w1 z$ M
set trade-record-current( b9 v" \' ^, e1 ^! ~3 e+ F
(replace-item 3 trade-record-current note)
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6 V3 k" y! Q+ I- ^) _
, U. o) h1 M- \2 g# [ask customer [
$ h+ w# I \2 p8 Oupdate-local-reputation
0 u* ^) \- b4 k" C$ B2 y2 tset trade-record-current7 d5 K0 }: m* ^) K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 6 l5 D9 M) Z I7 b
]& b" ~) {9 y0 b
+ [ W0 j# [$ I1 V
. Q: Z/ N5 l% n9 X; C/ ^set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 v& Y# j! k* H
N7 U* m5 f* G& E% Iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* G( F9 p+ {' C/ a% Y;;将此次交易的记录加入到customer的trade-record-all中: n; s( J6 ?6 D0 |9 e8 |3 Z
end
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to update-local-reputation7 _* c- z3 _+ I5 M: w; Z
set [trade-record-one-len] of myself length [trade-record-one] of myself2 i. u, j$ f& J* J' o
/ c& L0 {3 N, I U: [- `
+ l7 q( K A: ^" j# O;;if [trade-record-one-len] of myself > 3 * P- I1 @! d& k" X/ V. T
update-neighbor-total& O2 d$ @& Y+ |- C# M; m: Q
;;更新邻居节点的数目,在此进行
8 d( k9 X2 _, {/ {+ Zlet i 3
! l# T! s. _( d' t3 ]6 ]let sum-time 05 I% w0 L' d! L. o
while[i < [trade-record-one-len] of myself]
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set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 c( M. R l- S5 @2 I; ^7 p. ^; o
set i
, `2 N }/ p% F4 d |( i + 1)
q- J0 ?2 ?7 d) N' d, f]
% N) t4 G2 _/ Y# [let j 3; ?- ~: h7 c* z) u
let sum-money 0
7 Y1 m! h0 {. f" i6 w5 }while[j < [trade-record-one-len] of myself]0 ?5 v, Y4 Z3 i( o- ~. c
[ A' l; s! _* p# R1 h: G
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). `! N% j% M+ ~/ ~
set j: |- m" c. q7 \
( j + 1)) i+ m. d# b, h2 d7 I
] V6 E6 E3 b0 l2 Y: c
let k 31 X1 F7 w- T- D& W9 _ @! w! }5 j
let power 0
5 G. R/ d; r* ?! Glet local 0; u) ?& | o& ^2 H
while [k <[trade-record-one-len] of myself]0 y5 s8 z) o2 f. X _
[
* E) s! f) d. q% xset 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) . G3 \! I5 _5 d9 S9 P* _6 o1 x K
set k (k + 1)% n$ v* g) W2 _/ h8 p: x3 w( D
]
% R( \5 Y0 j# V/ X* t" j0 q, }set [local-reputation] of myself (local)
: t; p. n/ U# F+ y+ ]" @" Uend
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to update-neighbor-total8 Z% g8 H. X( h: {: Y% ^- y6 L; }
3 Y2 D8 g. g" t7 o+ P1 _if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] a8 \+ l0 w/ ^0 L* T9 _
7 X8 a" \7 ?3 E8 W$ U9 \
% d4 z5 v9 O2 u# v/ `; Iend3 ~5 c" {3 g, {' t* X, @
- c2 B8 _! ^& p- i8 J- x
to update-credibility-ijl ( A5 X; O+ U, e2 S: L E' W/ T
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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。; R y% C5 u+ D; Z- Q
let l 0! c5 b8 H! g( t0 G( ~
while[ l < people ]! c }4 i. R9 C; L# {8 ]
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 I% P" d& [; Y$ q6 Qif (trade-record-one-j-l-len > 3)
% T# L- Y& d: f& Y9 ]4 t[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-one2 b7 Y4 T, c% I$ ?/ w
let i 3: \" K' W7 x/ D7 ~) F( [4 v
let sum-time 00 o5 C. | W" M0 p# V9 ]: k) g$ X/ ^6 R- u
while[i < trade-record-one-len]: w- }$ [7 v6 x W
[
; V7 H& {+ c) z2 v$ r* M& X% vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, i* _, t5 n6 C2 [set i
# c" z& v: h3 D. X& S( i + 1)* D2 E8 b+ M G
]+ Y' Y8 t; @# b3 m( E) x' n
let credibility-i-j-l 05 `& p; h# F$ \$ J
;;i评价(j对jl的评价)
5 e3 N+ u9 H% {- P% S& Clet j 3( f- X6 e+ H M7 N- p* A
let k 40 e& w& l2 ]3 V8 w! m
while[j < trade-record-one-len]
; q( d3 `, p' e( [5 u3 |3 ~[
- |4 o- j6 v0 f" xwhile [((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- x4 w3 @! y @6 l# }
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)
! _! W) k* a B0 r2 [& g& l( g/ Eset j3 u; H; K, _+ I- P" b2 Z" B
( j + 1)
' j5 l. X A! c1 U]* A) b% x t% L4 x6 O/ e
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 ))
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. O& ~; h6 ]& G, E [" ?
: o! _, s1 N1 O @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
m4 r- }' D; _3 u) p;;及时更新i对l的评价质量的评价0 {# ]: `9 K* j1 y Q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ R$ E. Z9 x6 w! X6 U, ~! I, n" P: D
set l (l + 1)
/ ~; _' ^5 |2 w7 x]
" |0 D) {; T! n6 n* E4 C- e9 @! m( Wend
9 ?6 _* g1 j& B7 [" N2 a4 u# x& y9 H/ e) n8 C3 f, ^$ t9 P1 Y
to update-credibility-list
8 T D) p; R: l) U1 g0 D+ flet i 0" L% r7 q& b% z$ f& R1 A' r0 ?! j
while[i < people]
9 F6 ~7 g1 ?# N* W+ G9 _4 j4 A. s" S[) d+ c4 s+ C- C
let j 0
* G( h! ?$ j% X6 g* C- _& p# }: o: Glet note 0
5 b9 s- F# I; z c7 Klet k 0
* e& G- [: e& U) x;;计作出过评价的邻居节点的数目
' ~ r& H9 {& K6 |, t" _9 W+ Ewhile[j < people]
! a1 [+ e, H- Z* h[
' N q5 d. k3 t. w' k* Sif (item j( [credibility] of turtle (i + 1)) != -1)
' u1 l3 y T9 M0 f$ ^4 Z;;判断是否给本turtle的评价质量做出过评价的节点
) l: r# R) ~" ]# G* F$ E[set note (note + item j ([credibility]of turtle (i + 1)))& |/ v0 H3 x& R* u3 b. J% Y% W A9 |
;;*(exp (-(people - 2)))/(people - 2))]
3 C# c* C. z1 bset k (k + 1)
3 F" [7 A1 z. s: O' L M, u. }]
' X; w+ U. _* F4 h9 H3 Lset j (j + 1)+ d4 N2 ?) @% p/ {6 b
]
9 j* q$ {" h* O8 e9 C/ d0 i% rset note (note *(exp (- (1 / k)))/ k): t6 z" I* t3 L$ G! C* V/ e
set credibility-list (replace-item i credibility-list note) g! ?* H" l. N6 l8 Y. G
set i (i + 1)$ [7 p- c" o& V, A; C
]
7 J* Q* x1 V; o pend
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( D. a* w0 H4 f/ p% b E; B0 j& jto update-global-reputation-list6 R. M k3 Q" p1 r7 _
let j 0+ S. u/ e# o1 _5 p
while[j < people]" J1 B, t$ h# @0 f- {! b
[
& I) c6 {6 p- ~( ]0 m* Ulet new 0' J7 y3 z- V) w2 X. ~$ b! H8 m
;;暂存新的一个全局声誉+ w, d+ E2 {2 ?
let i 0
$ M4 } r7 d( N: F6 klet sum-money 09 S% r) q" `8 `8 [
let credibility-money 0
1 k; E4 O( S) h9 xwhile [i < people]
- O- M7 Q* x* g6 h) e[3 a+ k2 h, e6 a& g" Q
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ Z) H! `) G+ oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 e5 y) A& I8 t k3 |9 X3 Vset i (i + 1)
% D) U; I' e, m! M/ I# d]4 \! ^; L- p/ O% v
let k 0" F- w* x$ V6 I# a3 N# X* M6 F
let new1 0$ r; S9 Y0 Q3 E$ Z4 V
while [k < people]" |5 M2 P! A0 B/ x% S) x. B$ {9 @- |
[7 G/ K- o' v& Z% m( }
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)7 q/ ?1 U5 b; [ I6 }7 H/ W4 u& r+ p
set k (k + 1): h" k$ K' ]4 H4 v/ P' V7 @+ h' H6 h
]
" U8 h! ]& f1 T) `4 F5 @% Tset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 B% l9 S3 w: k& ^( kset global-reputation-list (replace-item j global-reputation-list new)
+ u1 Y6 D0 C. m! s; W* U$ t! Sset j (j + 1)
* g7 f0 ?# Y- g) L]
: t$ T' n" A+ {end
! f7 c* @7 ?4 e1 \8 o3 }8 I" F% K6 t @7 X2 S: { t% i
( c- i( ]: w" z w! U" F; O8 K1 u" [+ ^2 Q7 j( o/ G
to get-color
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0 O% _! h2 j- Mset color blue
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4 u# v( ~3 e0 G) D& Sto poll-class1 l5 c8 h" M4 P% G3 w$ }0 T
end
8 ^; `* p- D: G" H$ E
" }0 g( }3 I3 A8 ?5 d! |3 y3 c9 hto setup-plot18 W* @3 |3 W' K# ?! Z: t/ s+ b; f
! n9 r. k: j, C/ y b2 L6 q& yset-current-plot "Trends-of-Local-reputation"& m& \" h! A7 |0 v5 @% K
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set-plot-x-range 0 xmax2 n- w3 a0 \# o% ~, T% {
8 @0 l* H3 \/ v6 T, ?( Z5 B3 G% f
set-plot-y-range 0.0 ymax7 z# d6 b, F( @- a0 z
end; D8 ?3 \- N6 ^& c6 C
1 I! g$ [) b. Q+ g! v* a+ b* ^0 Uto setup-plot2
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) G+ ?- h' S @" g/ R6 F; N) m3 J6 Jset-current-plot "Trends-of-global-reputation"
& B L( N6 x3 h) E y5 `* }3 V" p; R# ?
set-plot-x-range 0 xmax
4 u: H! p% f+ C& T/ n5 ^- |& o- x+ u& V7 F' G
set-plot-y-range 0.0 ymax
( Y3 ~) H5 O* m3 L+ }3 g3 b z0 Rend
+ T8 [- @/ f f! z) @8 g% m
9 e) E$ q- m; ~to setup-plot3
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set-current-plot "Trends-of-credibility"
6 J9 b7 @1 c! H$ {8 [
8 s) c' X+ {9 z0 p7 l9 v/ {; w. ? gset-plot-x-range 0 xmax
' X: Q9 f. ]6 }2 @# S2 O4 V: D4 `. [
set-plot-y-range 0.0 ymax; v$ H/ o7 M2 i ?' [, x) i
end# P' F. o6 x% Y0 T- i& b! d& P
8 C z9 B7 E: O
to do-plots; u" `' R! n- h/ ~, G+ e" _8 Q
set-current-plot "Trends-of-Local-reputation"
$ C% @2 C0 k/ ]0 u1 ]set-current-plot-pen "Honest service"
# @$ @5 a" m3 ?# q* X5 mend, X9 C* S5 W- k) q/ r, ^# |
" O( p B& h, N0 O8 {
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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