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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
2 l) O" Z( ^3 e1 M8 ?! Fglobals[$ o* p3 v0 @- o, b- J/ C0 z9 D
xmax4 l$ S% p/ X9 Z: e* d% m
ymax4 l- S) @1 A. {6 {2 W/ ]! {
global-reputation-list
" f8 t& O |) `& W: }6 ^: I) ^; t
;;每一个turtle的全局声誉都存在此LIST中5 T e' ^" o! G
credibility-list9 P- o2 J, E6 H6 V/ u) Y0 K, c
;;每一个turtle的评价可信度
1 T* M7 ~* u9 W+ r* \0 I rhonest-service: x1 X6 L/ V: u
unhonest-service: q: C; ?& e1 ~& A8 O+ D
oscillation
1 }2 t" V1 \8 R( Urand-dynamic
3 C w4 I' `% J0 E; M]! W+ m9 [# r" e/ p
) \% o3 F3 u& `" K+ T
turtles-own[! R, E1 [ w2 f9 P' w3 Q) L
trade-record-all
3 O+ e! [* |0 J9 V! i3 ~1 V- M& \8 W;;a list of lists,由trade-record-one组成
8 U2 \" s* `1 L" S2 ytrade-record-one
: U7 S+ s0 \; A; b0 n. Z% g$ C/ T;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
( H/ O) Y; Q$ a0 E& ?9 Q
6 i' R1 A$ \8 X1 G;;[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]]
1 Z( q7 g; R' G9 h9 B& z' Ytrade-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]" V Q; U) r" M( i: ]0 z4 ]4 d
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
1 n g D+ a$ V9 r# X* Rneighbor-total
4 H! k) O# F `$ j; p;;记录该turtle的邻居节点的数目! V2 Q3 L0 E1 T! Z$ P; ?9 {" X1 W
trade-time
( I5 u% s3 ^* R8 s;;当前发生交易的turtle的交易时间
/ v9 K7 B3 U* S% Q! S# Oappraise-give
! H7 S, C# L: X+ _3 _6 L;;当前发生交易时给出的评价
% a9 {& K1 y, ?- n; t8 X" h4 J: Nappraise-receive
' W& w! d: z0 @; @ A;;当前发生交易时收到的评价
* a) R: b) i! {& Y1 eappraise-time/ Q4 i2 \" p+ S* R4 S. n
;;当前发生交易时的评价时间7 n" S- E& O' s) E9 L1 |+ k
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 [3 B+ z! Y% O1 _# Ytrade-times-total1 S% ^, H# D% J) Z$ L2 J) g
;;与当前turtle的交易总次数
" ]4 F& h1 w1 O- V! @; r$ E' ntrade-money-total
; S! Q/ A3 r f& \;;与当前turtle的交易总金额
0 o! U5 n, o+ K5 K3 N. alocal-reputation
' Z1 K' l, |3 u! v u6 z& Nglobal-reputation, H0 A8 w) C5 _/ `
credibility9 d r5 m1 S0 c2 ^& z7 {
;;评价可信度,每次交易后都需要更新
8 u: I, p1 P5 t$ mcredibility-all/ `/ W4 V$ h# H: C1 J% w
;;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
: w8 m, V4 ]+ a/ q* S0 U& i [9 _4 e. B
;;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! ?( k, p. A, e
credibility-one
! b2 r2 V9 ]; b6 {) {' ^;;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
2 r& t' H9 [" O& P/ m6 U: Qglobal-proportion
5 d! Q3 _' B: K' Hcustomer5 Q- C5 k& a0 q. E5 v& ^! J
customer-no
4 X7 W0 z9 J) z! M8 ttrust-ok6 }6 z2 z$ S/ H p
trade-record-one-len;;trade-record-one的长度
8 B7 X1 I$ h+ p$ n]
/ x9 u6 }. u( e( [. g
4 ]4 {5 a1 D6 y5 D( \;;setup procedure4 @1 o0 o! _" S, z; Q, n
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to setup5 i! ^2 e- h1 z& G, |& ?
/ J5 ^& n0 i0 W3 u+ `' p# B1 ]+ Tca
3 f b. p! o& N/ ^- x# s3 X, [) Z" s
initialize-settings
! [) v. q2 |$ W+ w1 F' x x- z9 k( d; O- W
crt people [setup-turtles]2 ^+ v! A7 L l' U; v* t8 _
( H4 f. c' q. W3 y: zreset-timer+ E8 G3 l: t" e: o9 {4 n9 m
: ^4 K4 r' i4 p* T
poll-class4 I" _% F; l" r2 N8 Y p
2 s3 I% T6 H$ q( H
setup-plots$ g( }3 q& D8 o) h: v
7 s. H* |9 S+ ?- @/ C3 ^
do-plots$ a: U* Y. F: s5 Z6 t
end! ?& V" D: W( u% X
& J5 c0 k+ i) o
to initialize-settings
1 s* t$ S7 \0 r6 Z4 ?* T& B1 V5 T# I) x1 s; J9 K9 W) ?0 l, x
set global-reputation-list []! `2 Q7 B, Q" n0 L2 N
. i4 U p9 p7 P, vset credibility-list n-values people [0.5]1 B8 {# d5 U4 B* p( R
3 H( |! [) t' c2 E2 ?" Q+ y
set honest-service 0- E1 H; R0 N3 J7 r1 I- y# A
" w0 Y% z) M( i- W8 Q9 W
set unhonest-service 09 R: V4 [% i% ?
{3 }' J, G$ o# C# r) T8 d
set oscillation 0
& ~, ]' h! s+ N2 J1 o; A: N$ a4 u9 \+ o) U# x8 ]2 O7 |
set rand-dynamic 0
8 E. F1 @1 j& q0 nend- u+ |& x4 M9 X$ b4 I- P
8 O, p; s; X! wto setup-turtles
: Z+ F# I- l. b/ U2 R/ Sset shape "person"
. O% R$ I: Q4 ?2 @( Asetxy random-xcor random-ycor2 F8 E) m8 f5 F
set trade-record-one []) I8 Y9 E: Y+ u* b" z1 M
( v+ u* t, S& @( ~
set trade-record-all n-values people [(list (? + 1) 0 0)]
8 e9 Q4 a) `4 P' |% k8 I/ M
R$ B" t+ }1 A v* Xset trade-record-current []
]2 k; a {4 z+ e+ e$ kset credibility-receive []
6 J' ]% t: ]' R ~0 T* F4 Tset local-reputation 0.5
1 z, R0 r9 f) V' n+ Hset neighbor-total 0
+ S3 \1 ?* M3 ^7 w: ]4 uset trade-times-total 0
( p% a1 E* o' p% [set trade-money-total 0
0 J! p& a+ s' n, C3 Aset customer nobody
1 h( n4 |; g' P& x5 |5 I% t* p- Bset credibility-all n-values people [creat-credibility]! x+ i1 t& h5 H5 f. t! Z- s9 W
set credibility n-values people [-1]8 X N1 ?& X" C# U: t' f: w/ x
get-color
0 A" E- y3 }" a1 x( Y$ W
- V- ]& Y0 e3 p! p( H6 pend
, u+ }4 J. ^. V" |- M" D
% q5 n5 K5 [; F! B. ito-report creat-credibility% n; d5 o4 \3 c O5 J
report n-values people [0.5]. [, d5 p9 N- _" o9 b$ Q6 W- p
end
; n7 T5 U5 ?6 z8 h% v
) w$ L0 v" T& M# R+ J2 x, t7 C: tto setup-plots, p5 t2 D& n, N* L1 I3 g
7 F5 K4 w* u: _4 ?
set xmax 30
" t; P! a0 @( @& d' F2 R. `
& _$ J- A2 G6 }set ymax 1.0
3 ?* i8 _3 \5 ^2 n( b. S! `
1 d9 `/ |; e: A' M! ~& W; {clear-all-plots+ K. t2 z) N5 l! T, ?( q, g
0 @6 s6 w$ b) O6 f4 X2 z' u) fsetup-plot1- C6 n1 M. q& E( w3 O
_9 p/ o3 a3 e% ]& F; t; tsetup-plot2* P; ^" y8 R, t& _ X
" P, }4 A% V% D Q3 y
setup-plot3
4 E5 ?+ C( G: r( A4 N5 \9 @" v3 Kend/ G& X0 x" `. f* O4 u4 c- c
* a3 v( a3 X7 b, b0 U- A- ~- O( b
;;run time procedures; y/ O2 n& z0 a; j7 o! O3 G. I2 K
4 F, \" I8 Y4 m4 V; s8 n/ J
to go1 D* i4 K& i; r8 K# M z/ N7 L
1 l( u6 D! i& `ask turtles [do-business]
" W( \% G- V( ~7 d$ S" a/ gend
4 q* [3 \: b( ~+ g6 b9 c, u3 }- g1 o7 ^& Z8 Y8 Q
to do-business u+ s4 Y$ {* P! `* _( O+ R1 }
! L& r; u/ x6 G/ g9 c9 {- w5 a7 L: m; {8 o2 M
rt random 360$ m" e* `. t8 H6 I; T
3 }8 `2 E+ [3 t kfd 1
& Y6 ?$ D$ s% t; n2 P) W) e
5 D" _" H/ J% P7 zifelse(other turtles-here != nobody)[$ K: U* u* e. h
% K6 ~, M7 H5 a$ iset customer one-of other turtles-here
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;; set [customer] of customer myself/ y/ W4 ]9 w: q% O( v" |
' y. |' Y2 s \0 h* u( }
set [trade-record-one] of self item (([who] of customer) - 1)3 j, ^: }. J+ Y- S
[trade-record-all]of self
1 t g8 f: {* u3 U! w3 |5 r7 f;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* Y* h2 V2 A" M8 ~/ E7 y
( y6 x2 T+ |+ i0 H# Rset [trade-record-one] of customer item (([who] of self) - 1)/ Y& C5 U8 V( A$ W2 \- L! D
[trade-record-all]of customer+ C3 F: M7 ~& B1 o) b6 R6 ?# [! x
- u2 F4 \1 y7 Z
set [trade-record-one-len] of self length [trade-record-one] of self4 ?9 p; `7 d4 l9 R. G7 A
. F; @+ b. Q }$ m! I7 B
set trade-record-current( list (timer) (random money-upper-limit))* v* w' g6 P- y
7 S$ @$ x. u* f5 u" s3 Oask self [do-trust]) a) H+ x1 Y, G4 @
;;先求i对j的信任度
$ }+ j9 h4 N0 ^( t( F
' [9 O' d& Z. x' t j: E+ U$ `if ([trust-ok] of self)0 m- f0 p C* D+ ?) h0 ]* p Q
;;根据i对j的信任度来决定是否与j进行交易[
7 r. a; i( p* Gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
9 i! b9 i6 r8 P! |( k3 j# n1 J3 \3 A0 ~! Z/ a# `
[
; @7 {* ]9 J, Q, `0 q
& X# n* h) A6 U2 [$ b% xdo-trade
7 K" S' i/ ^- d1 b' x# h1 k, B% d6 _1 t" U
update-credibility-ijl& }* X$ D4 g/ N' L y- @% {
% I8 ^1 j2 h/ Y4 B: r% E; O9 Bupdate-credibility-list
* I) ^8 h) [" I$ b H1 X# n4 Y1 j, d& S
( @: w R; v, z! x) y: X# ?
update-global-reputation-list
" O: A2 E; q! n6 E# K0 @0 H) m. d J7 d. D: Y
poll-class
k$ @: o9 c/ b* X, p5 A% j s
9 P8 Q* r8 u( T3 ?get-color
; l$ E# j' I5 o0 i- g. f
: E( V$ S3 _) {+ J5 _]]
) \. V4 p5 e6 X
; h* I! E* E3 k8 o% m4 X- L;;如果所得的信任度满足条件,则进行交易
5 `) d" a2 L) C h) I+ @- v
3 M6 ]8 T3 C0 M6 A- P[
1 y- `# j* ]) U. B2 L+ L+ k1 c6 Y1 {% q8 n7 i$ z
rt random 360
: M( ?8 a1 A8 V! ^ `
@( o2 E6 Q4 n- d# }fd 1
; p5 X' | V3 e/ h* V; u0 m- Q, C6 ^ v# w- R
]* g4 ~3 u! P7 H$ J8 [3 N, N3 R2 v* N( {
* y# g( M5 }9 b1 u) r C+ fend
' G( k" o% [% `; s9 A; o# J; }, E% V _$ G7 u5 o7 J
to do-trust 0 m& C5 ~3 W" }6 ^1 m& z4 g6 d
set trust-ok False, H( H1 ^+ z E" Q# |4 E
0 h6 X% R6 Q. |6 ~& f5 x6 Q, B, M' j# U
let max-trade-times 0& ], H+ ~' h6 V
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 i) o' @2 a# W" d: B* O8 Y) j
let max-trade-money 0
: L, }8 {& C$ fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 ]! J' T5 J9 P2 S+ c, z8 R
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 P1 n9 z! X4 f4 G. Q7 k
* \! @; D( m# J, H; u
! m6 Y2 m* y4 ^0 y5 h1 P3 Nget-global-proportion
* i! v$ [! r& K) b# Glet trust-value
; j3 ]7 C+ O, i% f# _. U1 u5 Slocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' m8 W6 q, x7 j, L" v
if(trust-value > trade-trust-value)
0 n* ?2 I8 @% T9 f+ t[set trust-ok true]
2 N+ S, ^+ @# ^) x1 |9 mend/ x0 K& V; K9 y5 u. h" d
: o) C; ?+ D* `& b, N' O' ~+ v% ~to get-global-proportion. _( C$ y) R4 ?, g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
{8 i8 Y( t9 ^3 P9 b" w4 e* B[set global-proportion 0]
' o9 h0 O# x) s+ R$ l[let i 06 i+ b' y* t% h* j8 o" V
let sum-money 09 J! Z; ?( R$ R- U4 h( Y _# @* n8 w+ ]
while[ i < people]
; \. Z8 p1 O: n) {3 F[
6 z6 J' X3 S1 L1 v+ g$ Tif( length (item i
, P Z3 i0 W" t! i4 ?- B[trade-record-all] of customer) > 3 )
7 C$ f: f$ |/ j& n! }[
8 i* P4 r% p" x0 T" F7 Vset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
" w/ @6 ^; F N' h4 a. m]
, R9 w* f* _3 N3 b( F2 y]3 f# J" S3 u, [) ]( n+ j. W
let j 0, g# z' q- ^+ u! T9 {
let note 0# i+ m- i- g3 ]0 P+ p
while[ j < people]
, F4 e- I3 O+ p[
) i+ Q4 O6 h- F4 x- S! }if( length (item i2 V( Z: X+ i) u+ t6 O
[trade-record-all] of customer) > 3 ) }. H! u9 a. E* }2 J: Q
[
! w2 {8 C, K( Q! Q# @$ hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
! ]( c- R# E; x* f" }' d/ b5 D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 J% U. ^/ x4 y4 g! k0 e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 K. H- t7 q' f$ h1 f0 ]+ ]
]
4 d5 p. S: Y& e, a8 d& A]
6 B5 _1 K" Z3 M$ eset global-proportion note: }% L" c5 B& |: t
]
$ k/ X( F2 [( h4 z+ Send
1 G! s! }4 m- G4 E7 K* |! z& A: M2 b' B
to do-trade
* S. z [2 k5 X I2 r;;这个过程实际上是给双方作出评价的过程
/ C( R' ^0 |( q4 M) H$ d- [2 v% z7 A+ Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
2 \' Y2 V7 ~8 I* X0 M$ K: X! O6 Z, Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: A7 o5 c% e: ^1 V7 e N% m a* M# d
set trade-record-current lput(timer) trade-record-current2 z3 c( E5 [3 p7 Q4 ] B B6 b
;;评价时间
! L. k& S5 i" @$ {: D! E" p( Xask myself [
( R5 i4 E7 T3 ]9 w' O* supdate-local-reputation
) r3 W. K( E& H* Z4 c2 J1 `set trade-record-current lput([local-reputation] of myself) trade-record-current
' [6 ?7 _! k* k3 F3 l]* C+ g- `9 g9 g# I* }) U
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, U6 o/ F" x z& k6 E' |1 |;;将此次交易的记录加入到trade-record-one中
; V- b9 L, H; x# ?" p8 Gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 l7 S' W K7 L& Wlet note (item 2 trade-record-current ): [( u3 d1 C: y, @
set trade-record-current
0 P2 Q6 }% m2 J7 z; K(replace-item 2 trade-record-current (item 3 trade-record-current))
+ Q; L+ K3 P5 T$ n2 _. oset trade-record-current+ I$ m3 _3 e" Z" L( ?
(replace-item 3 trade-record-current note); m$ O1 t: p( v( w
* h9 h6 T" u# Z7 n! F( L5 A2 W2 T) L/ D7 a
ask customer [
+ I1 e8 n+ ?2 ~5 h0 @+ \update-local-reputation$ Y* a8 U. s8 r: m- j3 q2 H
set trade-record-current$ K# ?6 H0 W, J' Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, J* v3 Q3 Y5 l7 a0 J' N- G]
! C3 B2 `# s$ r1 f8 K& d/ ~% U: Z4 ^. G8 G& {
3 D3 P7 C) j& [! o5 e! e- Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. v1 {# }. l. q6 |/ e2 v
1 `+ t. V! {, q6 v" hset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. {: E- N" R% ]# p' G;;将此次交易的记录加入到customer的trade-record-all中
8 R* I5 a& r% a6 ?' Rend
+ N6 D9 K3 u5 e( d' r2 s' ~
1 A+ X* F1 ^' ^5 j5 u* _to update-local-reputation
; s1 i7 M! A1 P# Aset [trade-record-one-len] of myself length [trade-record-one] of myself
2 M+ ~! ?- }) Q0 o! V0 e9 g2 B% g+ `0 C, Z3 O7 U+ o) L. i ^. h
; V2 d* J' ]$ e/ L- v2 ?% o;;if [trade-record-one-len] of myself > 3 % ^+ c/ h0 Q1 o/ _, B! O9 x
update-neighbor-total
! s, j, |1 T& B;;更新邻居节点的数目,在此进行$ O2 F" M1 O4 y l! \$ a- d( c
let i 3
6 q8 R2 T; s' I$ \3 ^let sum-time 0
) L C- z# B; Z/ x5 Z7 Y! Jwhile[i < [trade-record-one-len] of myself]
6 G: X; s: K2 H& t1 P( q! m$ C[; [8 n0 l4 M6 T
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 |" \4 \5 u( f& C, M" [" b
set i
/ s. E) `) P% g- t( i + 1)4 ]2 w; |$ u, M3 L
]
; V7 g4 d' G; c. ]* C# xlet j 3" W: I) z) i" O/ L; t6 y
let sum-money 0
& Y( a, ] O3 @' G$ Z. ~while[j < [trade-record-one-len] of myself]
4 Z1 Q$ v4 }1 H/ g[
/ E4 r* @: G$ D) g& [$ ~) F) \6 G% v1 \4 oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
; n9 _( M2 s, S) Q' F( Sset j; A$ ?) F' n R
( j + 1)
0 }" J( W& T# N3 a( Y# y]. T" d+ g, l0 I; ^
let k 35 n7 C0 M, ~. ^, |# v
let power 0; h. S3 O4 q& ^) O% O# D
let local 0
) D/ b! y/ {: E1 W0 ]while [k <[trade-record-one-len] of myself]
- l, c0 a* E8 ?2 k2 g5 ^ K# o[
; D9 ]3 C3 A5 Y5 Yset 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) , H1 `9 Y: U+ n+ d
set k (k + 1) \7 a0 @( E" B7 A- e
]
9 z9 L9 {, g+ q) t7 ?2 b! kset [local-reputation] of myself (local)& w8 ^1 a0 N5 ^
end4 _5 D4 H) o' J# I6 U# u5 b0 U# B
6 F" j: H: k0 ?" z% Ato update-neighbor-total
' w. i. \. c! s7 Z! E, A5 L0 ]2 F& i) w ^5 `' T' ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ c9 w# |2 |" d; _2 G' e
7 E: D% m% a) o( O7 Y0 a
% K* O7 l5 ^3 b# y6 |end5 A& l' i# s$ ^; P" [4 N" l
/ d9 X" @5 _ g( z8 \6 gto update-credibility-ijl
/ j7 f0 I1 S' X; S
6 j/ R' }2 I$ C0 Z+ z, p# @( s;;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。
) U# z$ Y% ^" }- F. D* elet l 0( V! a# h- t5 R
while[ l < people ]
8 @! }2 c: h; j3 W+ ^+ 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2 T2 t: Z0 x3 `; y3 J
[
4 G9 t& r( [9 Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" t4 |1 _- q; w: B& T+ z2 s9 `# qif (trade-record-one-j-l-len > 3)' W9 C; M/ Q$ @* P" r
[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
& X' y$ _" U. s v! `let i 3
2 i/ z1 O# q" \; H3 X9 b6 wlet sum-time 0
2 [# x" a5 O4 M0 Y wwhile[i < trade-record-one-len], z9 T* Z5 a4 F& S5 S0 c5 Z
[, c$ U1 D* V7 w4 i' \& j1 p0 X
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 v- y( M' g8 a! ~4 B' u+ t/ l3 P
set i3 w& C; c& d2 M' b/ v9 P u7 h
( i + 1)- d3 b1 q& {5 \9 y. \4 F7 [! h
]& S; {1 v7 f# s8 B* B9 v1 j
let credibility-i-j-l 0
- B3 f( h/ n4 M$ o q;;i评价(j对jl的评价)- c" F/ I3 ^ k! {: N
let j 3
, @6 M! F! Q. o# vlet k 4
7 r$ g! J" z8 A. j3 \4 zwhile[j < trade-record-one-len]
9 Q, T5 A9 l" W3 |2 u N[0 g$ Y) x) J8 w9 ?, v" r" U
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% J6 [: x% ?" T) i$ x' y7 p
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)2 O! |" R# m# G* T
set j- Y' ~' w$ G7 r. s$ ]0 n; b
( j + 1)
8 S! i# {! r9 H% ` U]
, V' F- ~$ r% O: t+ U: }5 H" j6 l5 b5 J! ?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 ))! J( h& B2 a9 r9 _+ U4 ~% F
8 K8 B% @4 F% q% \. A2 j* g: l; z3 d8 L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 c$ H( i/ }( ?. I+ w;;及时更新i对l的评价质量的评价+ K6 }: M+ M9 N W2 m7 f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
6 R# H; C; G U( B. ?& {8 eset l (l + 1)
" W% c# E8 K) t M" S]
- n; H) b- B) j; I$ O, Vend$ Y' e3 a. t( X$ R" Q& b/ V
' t/ k; N! O1 T0 v1 {* q' a
to update-credibility-list
, Z8 f( A5 ?& a$ N( F" u. _let i 0
& c4 d7 ]( K- h1 O! ?: p) E3 Q$ _while[i < people]
' f, Y+ t# A. A5 U" m[& K4 A, O" Q: M6 T% S. d# Q; |
let j 0
8 X s1 N# `+ {let note 0% k d* [2 U- E# y) h1 t
let k 00 @1 G2 A2 R. e$ R( p
;;计作出过评价的邻居节点的数目1 ?2 \. @3 a) r! v1 ~
while[j < people]
% h& r) K' h+ K[9 {% T8 `3 I u, @( S' s' L
if (item j( [credibility] of turtle (i + 1)) != -1)
3 P) C, e0 O& ~+ f# w;;判断是否给本turtle的评价质量做出过评价的节点
; f4 W$ [ L, L[set note (note + item j ([credibility]of turtle (i + 1)))
J2 [' O6 H. l# y: L. Y;;*(exp (-(people - 2)))/(people - 2))]
* t% J3 C0 Z- B) M/ V; Hset k (k + 1)
- z2 S* b/ U2 F]
1 x( u3 ? I" n X4 s+ y& @2 Lset j (j + 1)
2 f4 v4 R2 B- a( `1 c2 n2 Q]
: {8 A& W m6 s2 J6 t0 x8 jset note (note *(exp (- (1 / k)))/ k)
8 Q3 u- |9 H; w, _$ Lset credibility-list (replace-item i credibility-list note)7 o1 g5 z1 @, ~$ H( g
set i (i + 1)2 a, `! [5 b6 s0 c' s: [$ ~
]: ^( }- a9 o) ]' [
end
! `* x. F( y* w$ x1 [% ]: Z, d4 U
# T& m, G' W) w( A' v! S2 {4 yto update-global-reputation-list; _6 u; ]6 {' n4 U$ J- \8 y
let j 0
+ X- y# w# f* Rwhile[j < people]
# G* R+ M- q5 H$ G( T: d: x: Q[5 e8 _5 ~# Y. {1 K+ b' R6 g R
let new 0
P# a3 L9 i7 q;;暂存新的一个全局声誉
( f4 \9 r1 g2 H' B- ]9 D1 \, elet i 0- ? z; v. H- { }0 Y9 B, I
let sum-money 0: ^. D/ B( U! o: q0 n
let credibility-money 0
T9 V- _" r( \8 {' t2 P, Bwhile [i < people]6 g# ^! b2 o- r
[
+ x" f0 w% J& J' _# O( hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 G' d7 ?( i$ _ ^' M; Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))0 Q9 M7 ?+ S! u- }6 W; d) Z! r
set i (i + 1)- i/ p! L2 v+ y
]
/ i8 [: v0 i6 ?5 s- @" ^; {& Mlet k 02 W2 _- W# S9 ^1 i
let new1 0
6 g3 A" p- }7 i' T, m$ q6 a& ~, gwhile [k < people]9 [% d- w: H, {: f
[) c) S8 Z" p1 z2 k! z0 L+ I8 `
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)
) ~; H6 A5 H0 o" l( m9 mset k (k + 1)- R7 D" @( C1 g* U
]
# d4 p, r s) T$ o" N/ o& H/ ?7 R# cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( M: h$ r( F: M9 k# Q. Y( aset global-reputation-list (replace-item j global-reputation-list new): g. [! W! h# x2 l, Z
set j (j + 1)6 ^( Q3 x/ r/ @) a ~: y. z, V
]
& t( P) b' R h3 Y- B9 H5 j& cend% C+ ]1 B# m* U1 M( k6 @
( b/ P; }4 d p2 Y$ u7 _) m/ h( z
' {. X1 H7 Q* g7 {# K" ^( j& P! j3 ~" {& Y n* z/ I
to get-color
5 l8 c/ z+ B8 @- R( R& R5 o8 W9 y3 i, L, u3 G. W$ _
set color blue
% T8 ~9 c& Q! {7 c* {( |$ K. t! nend" E# {+ s; F3 E) d( p0 a
% V% x1 W, O; U; P& j& l
to poll-class
4 \1 J7 c/ \9 b% y9 d( ^end8 r" `& s9 R! A' D+ p- }0 _+ D
' t5 m: J a: S% \5 [4 P$ |to setup-plot1
6 u2 V! X& S! L' ]* ~0 \7 P' v" L; ]7 T# w) S$ @4 h! K1 v* c
set-current-plot "Trends-of-Local-reputation"" s8 Q; B2 u- A9 o
/ U7 M9 b& m5 [5 _set-plot-x-range 0 xmax
4 z# g# O" \ b& @2 p- t# C8 h I. n8 g6 i$ L/ M6 ~; J' i' J- c
set-plot-y-range 0.0 ymax
, H- _- F' l3 N; q r/ r$ _+ Eend
, s- q3 X. e. P( ^8 o0 z4 b/ u+ b& g# y) {7 L8 D1 H- T! J
to setup-plot2
! }, S( N* D3 P/ x# Q( S, r8 l1 n- I" @8 o, x1 y8 c
set-current-plot "Trends-of-global-reputation"
% {6 u% j0 @# B! m* i5 x1 |% Z3 ~ @, l0 n% \
set-plot-x-range 0 xmax
/ i( l: Y" v$ k) k; n9 v9 A
6 _7 v. \' [8 }% Q2 L' w3 U" q$ I/ f: Oset-plot-y-range 0.0 ymax
- I) ]3 ~8 d; rend! Y2 }6 ^5 b' U" t; W
S4 f9 U1 f3 q l
to setup-plot3
( ^: H, ` M$ a
1 w i0 K* ?5 t% L3 hset-current-plot "Trends-of-credibility"
_. E$ ?: E0 ?
: R# K; b7 K! P7 ?2 c K1 Vset-plot-x-range 0 xmax
2 W8 H1 p J) o; a4 A- t+ H( d9 N& O |
set-plot-y-range 0.0 ymax
2 q" ^9 T% N! Send9 R" B% B* \! K" D2 ]6 Y
. e2 J6 `- c+ D6 t$ D
to do-plots
6 Q- L/ y8 [0 Q' o$ p" t- K7 nset-current-plot "Trends-of-Local-reputation"
7 J8 d- n1 t# ~6 wset-current-plot-pen "Honest service"+ E# W. `. n% O3 n) G! M5 X* L
end8 ?5 |# p3 @8 b z4 a
5 a: y4 t' v( l" X% Q9 z$ O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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