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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: I3 M2 K E: T
globals[* }9 Y# f+ E) K
xmax/ F* A& |( @0 u! h
ymax7 {. \* ~" {9 \
global-reputation-list
^9 w* q) U: s# I! _/ N3 x% d) b" d
, V5 N- g. i9 ^1 i ^6 C;;每一个turtle的全局声誉都存在此LIST中
4 I* Q& u# W9 \3 M. m' Lcredibility-list
/ s1 v2 e$ Y+ D3 C& {& ^( w( N& W;;每一个turtle的评价可信度' F% e, _" a) l1 ?& z$ @
honest-service
1 U, I, k y0 g; \( Kunhonest-service
3 |- }' ~0 y$ k" ]- I! h1 xoscillation
& i+ W! C9 i% q" ~$ [1 Y6 trand-dynamic! z+ I. E% D. u0 w
]
0 T" G# V Q* o% w. {& T/ {) g o( n3 G9 `6 _& J: |: K
turtles-own[
& U" t6 L- [6 B6 h/ n" D% Utrade-record-all7 r6 [# z, T* P% p. w
;;a list of lists,由trade-record-one组成
0 r' ?7 s$ Y3 K. B5 L; Mtrade-record-one
4 q6 n# D! m) p% K( A;;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* A4 L' [9 V& S' h. V
4 E) H- V1 i3 K7 Y! M- n8 j4 q+ [/ o3 K;;[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]]7 q5 E r3 O! z" E' T$ _7 p" C
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]+ c. o! i4 Y" o$ |- I/ g/ D7 f8 a* j
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& y' f5 ?; u" x5 _9 C
neighbor-total! a6 _/ W p2 R" Y, F* ]
;;记录该turtle的邻居节点的数目/ F. g( q0 ?3 m2 A6 ~
trade-time
1 l6 _: N, H; F# `;;当前发生交易的turtle的交易时间# C5 a2 J% W8 x" M! |$ Q5 D
appraise-give
2 P @$ Q9 {$ c' k9 S' z;;当前发生交易时给出的评价- V7 C' P3 p* l7 U
appraise-receive
+ p5 z0 w# I5 W' z. y;;当前发生交易时收到的评价1 s' Z/ I! l% X+ u& i. Z# ]/ y K
appraise-time
: L: C7 y0 Y2 e) s;;当前发生交易时的评价时间
7 i8 d8 Y2 |, W2 Tlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉' [# D, n, o6 p* J. E; p, J
trade-times-total9 I4 z s' [. ^" X' T
;;与当前turtle的交易总次数5 h8 C7 `) R+ l+ | L, i
trade-money-total5 @6 o6 s; n. q4 g/ W: l7 ~
;;与当前turtle的交易总金额
! _; D- B- B9 V" M8 N5 |local-reputation
# t' V6 |; M( l4 A# Y* d8 [global-reputation w: r0 ^, h$ q h. |
credibility8 u# o% n- }# X% ?& A7 [" J. j4 z
;;评价可信度,每次交易后都需要更新. J+ D/ x0 h6 \' g; h. K
credibility-all0 _" T& }4 G- Q- c- @. A9 B* `# h
;;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5 T! k: [* M" g7 V1 W
8 T8 s& r* J4 ?+ H+ u
;;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0.51 ]% b; F1 w8 s$ f! m6 ^% s- P( S5 V
credibility-one7 b) A2 S; o: ^7 N4 X1 k& J- F" s
;;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
0 h% P: ~; u* @, lglobal-proportion* w D1 t0 z& d
customer
5 l. x7 j* h4 Wcustomer-no6 s1 ]- ^0 Z8 V" B" F
trust-ok9 W( |; V8 [2 _: G
trade-record-one-len;;trade-record-one的长度
: L ~7 h/ O8 K; e+ q2 k]
9 n" g5 {, I! e- n7 O1 v7 O6 Y. v' ?% t* u! _6 ]( x. T, r
;;setup procedure; P) U3 \( r5 M7 t# I4 U4 u
`) B2 v3 A! v8 Q, N, _) U
to setup) Q! f7 q, z2 O0 v4 z
; h: s- V9 J4 ~( k
ca
' {- B1 W$ J" L7 N4 `5 M& M+ k" m5 y& y& n; E3 ?/ c# z
initialize-settings
" F. j- Y7 H5 L, s' p+ `
4 x K* l' ?- ]' gcrt people [setup-turtles]
~1 z/ g" Q5 w: j9 c
+ _. D6 I/ e& j2 J/ `' wreset-timer
2 H X- W/ d# _( I7 n+ K
/ }2 b/ R9 f8 B. }( zpoll-class
% Y+ B+ a4 D; A5 ?. _0 Q _/ d g3 y, C
setup-plots @& l$ o d% i; q
& h# K( @% W3 ?; U% W1 ado-plots: ]0 s9 Z- M* y
end
4 B- ^+ ~: s U% w1 _; W+ r% L
6 X; j; I! ~+ zto initialize-settings
7 k) t+ A# c( i k1 W1 r" Y! S# H# X' ^
set global-reputation-list []
3 i% I5 t# B3 W) N
) v/ |& X+ \# E- t/ Oset credibility-list n-values people [0.5]
6 F: @$ t3 }1 x" ^
; b0 r2 S e' P; @set honest-service 0; `4 v$ @; ^1 x& T" e1 a/ h( H* }
F" a! @5 @- I% G: V! K2 J
set unhonest-service 0- m; S: \1 ~! Q* p: p
2 F1 y( r6 L0 @1 t) \1 w) H2 a
set oscillation 0
3 C4 T; a7 t# r+ d+ t
2 d7 X3 B8 I3 X% e4 B2 v( gset rand-dynamic 0" Y s1 g$ a$ T0 O* l5 D+ T* N
end
& `# f( @" d- ^
' r3 S) y( u# Y' h. U+ W) Gto setup-turtles
6 w) C5 k3 J; Y* s3 _set shape "person"* N6 y( M; N) j: [5 L& p7 S. T! X O$ c0 j
setxy random-xcor random-ycor$ k, j; L- A, E& ?# v) U
set trade-record-one []
0 H5 s4 G. m! @* J1 c4 l: w: p5 I2 d! K9 z6 P% ^+ Q
set trade-record-all n-values people [(list (? + 1) 0 0)]
( z2 P0 n$ E A4 [6 B3 o U: k& c9 ]3 Z7 V6 z
set trade-record-current []8 X$ d. z% g$ b5 t
set credibility-receive []6 P* N o3 w R8 E# T: N
set local-reputation 0.55 Z) H$ U' E7 p- M4 E
set neighbor-total 0; Q+ D9 m+ r& ^3 g! x% Z$ m
set trade-times-total 0
( P! i5 o) Z0 Bset trade-money-total 0
3 e8 z1 t/ t# R6 r% Y7 X+ |set customer nobody
5 \ T6 H* Y8 J! j9 i' ?5 Rset credibility-all n-values people [creat-credibility]
; u( C" W! {: |0 |# ?set credibility n-values people [-1]% n/ ]! l, n& a' y! G( S
get-color
9 |: y7 X( [; O7 N: I `) _
1 K9 s4 l0 ^- t, _; T1 g* r# X/ V, t4 S, \end
' s" b6 I& U" v! g* ~" @1 ~. e) X$ y9 V/ C
to-report creat-credibility
1 D8 y! ^# O: A8 W. p4 Jreport n-values people [0.5]
4 T% A/ f1 o9 \& Y. X% @end e- `# I% ~$ ~+ i m# T- |* d/ P
9 A# m$ f4 `4 }$ ]: \
to setup-plots
/ Z* U0 h) ?3 Y( g/ D3 [( E+ o. z/ V; R- {4 ]
set xmax 307 e0 f/ ^8 k( M1 B" [# {
7 B+ |% f1 \2 B% j+ C `1 S; X, ~
set ymax 1.07 d8 r1 ~3 t- n4 ~5 J
, B$ a' c; |5 J
clear-all-plots
+ u" h! b1 J0 b* M% \- K
! k c7 B- Z0 T9 c& ~& Xsetup-plot1 Q! ]+ w! d1 {$ x9 A- t3 h
, d p+ C5 I( isetup-plot2! z/ Q# I9 R n: h% j
$ K5 ~9 O; u: X4 W# msetup-plot3! B' h8 [- U- G+ D5 W7 o+ L( l& \
end
0 w( g1 i9 ^9 n6 W8 Z
: K3 m* _+ j& E" ~3 }; F;;run time procedures
* |7 G7 _: T9 h2 P; _8 Q7 u; g" V$ i+ J) C! W( i/ S ~! j2 H
to go
+ D5 L, _& F+ f
; C& {( ^7 U6 ~3 o l7 V# Fask turtles [do-business]
7 \/ G0 n( h' _9 H* E1 x% ^. Wend% h- S. _, A U; d4 O6 s# P# t
% H' ?' Q4 Z) I& |* A! m7 r, R
to do-business
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0 v3 e# |& G; E4 m' Z5 k- D9 ?7 A9 [6 ^. a& n4 K/ c
rt random 360
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8 ~% O% ~* x: m; ?2 vfd 1
6 K/ M: M R1 R; S# e/ @) i, _4 r$ J* r
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here0 G+ y& L2 m: V5 F. Z
7 f0 g; B4 {( }0 W3 j2 V% G
;; set [customer] of customer myself: y, V; Z0 p' N6 b0 e5 v7 J
$ s0 f; J1 D8 \5 T3 n+ g
set [trade-record-one] of self item (([who] of customer) - 1): s! c. L' J, P2 D
[trade-record-all]of self. v1 \7 c" L* s
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( W6 V5 v ~- }9 r& N; Y
4 R* r7 }9 b3 g7 \' Oset [trade-record-one] of customer item (([who] of self) - 1)
: I( }) I1 s* M: n6 A[trade-record-all]of customer
7 z' V/ R' ]. c4 N6 G4 q- E. D+ K6 Y# g1 f( e! q
set [trade-record-one-len] of self length [trade-record-one] of self
, a, A5 ^0 w; |6 A
3 x% j/ q4 \4 }set trade-record-current( list (timer) (random money-upper-limit))9 h5 d% O( {0 `# D. W
$ r2 J6 j7 [6 W7 | x6 xask self [do-trust]
7 c% s9 T& P7 R' Y4 N8 x O5 V" j8 Z;;先求i对j的信任度
( ^. I2 Y+ i/ _: P/ N* G: K/ \: t& N/ @2 F3 y
if ([trust-ok] of self)) g3 R; b( u4 i
;;根据i对j的信任度来决定是否与j进行交易[
( |! Z5 Z% V! W! H' Lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& m1 j% h5 b6 _) P( m7 g0 _
; _+ r1 z0 D/ R[
! a& X8 O8 \3 g- S) O7 }% e2 ]& Y( d. m
do-trade
6 p1 ]3 r% l) h! R% r4 E$ W6 H0 s1 X x E5 I# o
update-credibility-ijl
% p/ D4 [+ [/ k& O
$ m1 M" j9 K5 J/ f* I# C6 q* U1 Jupdate-credibility-list8 S" m7 Q9 G8 W" ]- P+ j
8 P9 p: U# R" g; V! r
4 H8 S9 t- p; W& n6 p( R7 Eupdate-global-reputation-list1 | `0 c, D/ h8 s( G
! x# a) _. k8 I L9 f! F+ R* hpoll-class9 @+ ]+ _, U/ b
' M; u: H# Z' q# g5 g
get-color4 q3 Y; b* N' `% p1 v8 E
9 a9 N' u) D% Y) v]]
1 R1 X7 q3 \8 k2 O
. D4 e# ?$ P b; b+ i;;如果所得的信任度满足条件,则进行交易; o/ u! A" g& a
8 i% x6 Z9 f B& `0 a' k; Y
[
. H W. m9 n4 V( j+ a' z/ ?& v$ {5 V: b/ o# _+ E
rt random 360& T, I a# t) Z. t0 ^. f3 x
8 a2 t5 t# m5 q4 p' J+ h9 {# b. i. efd 1
# {! Z/ {/ L/ F8 m$ B# A/ o
% {: F0 c Y3 x& I R4 x! _! j]
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end" U( C9 t/ e. M5 @0 g, D/ \5 @
2 a" p0 E2 z \to do-trust % k5 a" _3 Y" T B7 s. _4 L8 [
set trust-ok False) ]& N* U3 g; H2 o6 s
4 x3 h/ T6 z5 b& b: F/ m& g& G
: T" d0 D% |2 m5 z d0 L4 [2 r- Y. Dlet max-trade-times 0
# U+ t& f; ~8 R* J ?3 Y _* Zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, i; [! x' L. {/ G. Klet max-trade-money 0$ ]( g/ \0 v2 U2 s+ \
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]/ ^5 ?' T" e1 t0 s* {% 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))3 }' u9 m! o, d' u
3 X3 f2 L3 z# [* Q& A/ m4 }! w
: K( v$ @1 p& B* Zget-global-proportion- ]3 L/ B0 i6 U. u
let trust-value
. L/ L5 b; n# ~/ ?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) t. E8 |/ G& v6 q
if(trust-value > trade-trust-value): ~6 l) D1 u9 s. h4 I2 Y
[set trust-ok true]
5 n, l7 k/ S% H* C4 W1 Zend
: h, r5 ~) U, O& g0 i0 S9 t9 t _
7 M2 ]$ D: q! Z6 |2 c1 O# h4 Wto get-global-proportion
2 ^0 I4 P# }" n! pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& C5 T+ k* N0 o$ W) K s5 k[set global-proportion 0]: f& ~8 A4 T" t- E
[let i 0! a) X7 h; p- {. m4 w& Z" l2 G
let sum-money 0
9 c9 ]& r6 f+ H* ~6 d7 ]while[ i < people]6 N5 i) p" c1 _0 | `( q
[6 v+ C! w3 i0 z' j1 U% S0 d
if( length (item i p2 ?( u5 e5 F, h
[trade-record-all] of customer) > 3 )
+ m8 N }' J" `2 D[
, Y* g" i% ~0 q- xset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
% A0 X3 p' [2 j( r: o' S]& Q7 ]+ a+ K% s" @/ |+ h, c( B
]7 C: Q# c ?6 K0 d
let j 0
* H; n; N |2 O4 O( @: Q& _7 Flet note 0
2 L% E! f& ~0 F8 Hwhile[ j < people]# I5 C# f: Z: T6 q( E9 ~9 V
[
2 M2 I6 F9 r/ ]if( length (item i; S' u2 R. S* n; H. N+ V/ a2 E
[trade-record-all] of customer) > 3 ); {- f0 i$ H$ ?$ ^! X: Q; e* T
[
9 W) s4 Y; K; W. n. X% @, k, jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 }5 P' o& {. a8 v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 L8 @2 J. r: k0 u/ y7 `- y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 v8 _# x: t7 F) f; S# ?* y0 w] Z. T, s0 c8 u) p) d
]5 r/ K& h7 L9 n* b' `5 {4 Y0 R
set global-proportion note( k- E6 c, Z6 s/ W$ t
]9 F- B, ]# U) @
end0 R6 l5 ~5 L2 h/ S
4 A4 j& E2 s4 K! t; kto do-trade" F1 v. F% Q' [) s: h3 K4 I% V
;;这个过程实际上是给双方作出评价的过程% G) I& [5 `) c O9 p- o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ Y. m0 L* ~% z/ r8 c5 I$ e1 ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. ~: C1 i9 H8 }# t. M! [
set trade-record-current lput(timer) trade-record-current5 J" d& K# j* r# |
;;评价时间
& v8 |& J1 C& C' t" o' a7 Bask myself [% P. ~9 P( Q6 d6 F* ~
update-local-reputation- o7 u( L, A3 C: x* ?# U* [- w, N* D
set trade-record-current lput([local-reputation] of myself) trade-record-current
& x; v( R( @9 t]$ H7 k2 W9 z( H+ n
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ z0 G. l) J+ D( I7 ]
;;将此次交易的记录加入到trade-record-one中 X6 ]6 b4 ?- c
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 o$ u, f1 N, m
let note (item 2 trade-record-current )0 ?. }7 E2 D, d _+ U
set trade-record-current
. [& v' T1 n2 {' `(replace-item 2 trade-record-current (item 3 trade-record-current))
' Z/ i* J' u- `0 U3 `4 nset trade-record-current" l! N' B7 Y2 g' _& ]
(replace-item 3 trade-record-current note)
6 H* ]% Z9 R' v" y. m& Y! c# d4 \. k* h" F6 `. L+ f) g
/ {( e- l" i' Q9 m+ M( z
ask customer [
: T0 H! m: _7 \! e& Z+ B5 j' p Pupdate-local-reputation
5 g/ ^, |6 w# @9 [& X& Hset trade-record-current2 U. B0 T5 Z4 h8 {2 Z/ V6 d
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) # _5 R2 ^% N" }) d
]
! s; K* _) N. E: i& F" g* C9 v" t. o( v! d+ o& d' R; P7 t
2 H, ^( H: X- K( {" V! oset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! s `9 |6 \9 d
, ^4 S U; |. l7 X! ?, k9 {8 xset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' L# q* h* X7 T! o: U
;;将此次交易的记录加入到customer的trade-record-all中1 o+ D2 x% S& y7 z7 l
end1 v" @* {* G9 C+ m5 L, D) D* _* I8 Z
2 I, j( n/ @" d9 \+ D5 \2 Uto update-local-reputation
1 F" f4 y: O O2 `, Tset [trade-record-one-len] of myself length [trade-record-one] of myself1 y+ S: n0 K1 x
# z7 Y$ p, H' ^7 z
# b' i5 |" n6 F$ {: @9 s# r
;;if [trade-record-one-len] of myself > 3
* ~+ R2 U7 \6 P5 g' f, qupdate-neighbor-total3 T6 c+ E/ h& B" X( o3 \; X7 u3 b
;;更新邻居节点的数目,在此进行+ v4 A# E2 @% B
let i 3) T8 F4 C$ Z0 Y* \8 _9 ]
let sum-time 0
9 ]4 i% p; {! f3 R8 d" zwhile[i < [trade-record-one-len] of myself]
" G. r9 m3 B$ i) D[3 \5 d1 }9 [; N& }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 k* @1 n' r) J1 Qset i z- p& M" F5 ?
( i + 1)1 f: T0 |& b' E' m" k K
]
8 {; G$ B, h8 X9 Q- k) ~let j 3
/ ~3 ?6 y$ o, zlet sum-money 0* s: i* j% }1 A' X! J) U
while[j < [trade-record-one-len] of myself]0 B2 N; J4 f' K# m+ z& `7 j) _$ t7 t
[
9 q8 v- v$ L$ d4 S# t+ A8 fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
- K6 E$ Q( h3 q' Q( ^ S( x. Qset j
8 G) `$ u% z: R X( j + 1)
' v9 O$ v1 H2 {* j( n' n3 c]
+ [% V, ]2 S6 t, Q, Ilet k 3( A/ k: ^% g S( r
let power 0
5 o/ h' ]5 z' d- T z) c8 Ylet local 0
% n' C9 Y+ h7 S. V. vwhile [k <[trade-record-one-len] of myself]5 B: \ i2 U2 M/ K" l7 _3 [, U& i
[
, r" a) K8 w3 @8 R& T1 P b2 ]* \7 e$ A1 Dset 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) . M- N9 z3 t# j7 c9 ]6 p5 _8 @
set k (k + 1)6 u1 S3 Q: A+ u, Y a; R+ S
]8 o: P8 n4 N& i6 A1 z+ Y2 u+ Q
set [local-reputation] of myself (local)
1 [1 L' |" E- G7 xend
: i. p+ c$ d, J* E* t9 ]9 n7 V, i6 ]6 } o3 i3 ]; P
to update-neighbor-total. D7 f m, G% h# z X; c; L
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 _% Q% p1 V! M4 [* S) R0 G$ o4 P. Q, I1 H1 ^' E0 |
. }( Q' Y7 B( M b) c. i
end
. i0 u2 s2 X( T, @
$ J2 r C. f, O7 x+ Ato update-credibility-ijl " h1 k# u8 J* h8 J* y3 T
2 Z/ ? z) c/ h4 c- i;;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 |6 e$ d- [( [1 @8 \1 C
let l 0
& @# ~ X8 Z) s( ]/ n3 f; ^' ?while[ l < people ]
* p# C6 p% n( u w- d;;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
3 @+ s/ S8 h/ s[7 W$ n& z! `- Q0 U* m
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 y1 }2 _, {( n$ t) Z( o& b# x; u
if (trade-record-one-j-l-len > 3)
* M1 e. u: ]. O[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; n. q5 f( @& B( z4 ^
let i 39 ?/ k& C3 @% s# g: y. W9 L
let sum-time 0
/ U2 b( Z% B# n7 [6 w% V: A, Nwhile[i < trade-record-one-len]
- H" Z k7 ~( t- \8 ]4 I[! ~% P* F& ~* x2 }! a" r- J
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# n. G; [+ w; ?* k. U6 fset i% c- O5 a/ L1 F3 @ D
( i + 1)
6 f4 S5 X2 P$ c# E8 t6 x/ d]! }3 C9 |* p' _- ^+ G! l
let credibility-i-j-l 05 i% l$ ]) U( } I" M3 u
;;i评价(j对jl的评价)# E& f2 Z+ p+ o# g" s
let j 3
, U& z; z7 t2 G- n" Xlet k 4
) j3 z8 c' `* Z4 P* X, {while[j < trade-record-one-len]
8 @% O: p% X6 G1 F[
" i8 V* g( M" o& y8 r( O1 l& {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
& r" r! C2 c$ X4 ?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)
4 @9 W: Y) L5 z8 q1 xset j1 d) n3 ~- t4 v# |; P7 u+ Y
( j + 1) G- n$ L9 f7 o) C- S6 o( s8 t
]! B% F+ K& ~/ Q/ W8 h" \
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 ))
+ y0 [ ^, m( H2 \" E/ w- t% e! B& w* c/ `$ m% Y/ C
* O2 s& [. x% E% d5 T! x0 }- clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! J# A$ P, r/ K( t
;;及时更新i对l的评价质量的评价) H& l( [7 m9 m! J( M' i
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]# o/ I5 }) @& b; E
set l (l + 1)
Z! f8 O* K* j8 ~7 Z; ]5 o]* L9 w( |: J' O6 S0 u3 _
end
" T# g ?2 n" E9 z6 l5 M# o3 `
( h n7 Y/ r' M: ~. a- n9 i9 {% sto update-credibility-list
1 z- F0 Y, l% l' q2 O% {let i 0
' F: x2 z5 j% B: D+ v4 d- Owhile[i < people]
5 N d; w4 j3 ^2 r( {; \2 Y1 F[3 |0 L7 H) i* l
let j 0, `: u% F2 L% S8 G. o
let note 00 r2 y( {' b2 Z8 E2 g$ @, h+ W6 ~2 X9 E
let k 0+ o% e$ x* j+ e5 x5 U! b
;;计作出过评价的邻居节点的数目
7 b9 O& x3 m$ F C6 Uwhile[j < people]+ H' a8 }# x' ^9 z
[
|. N; a% ~2 g' d1 `% Z( pif (item j( [credibility] of turtle (i + 1)) != -1)
6 J( B$ [: k: v4 x3 P;;判断是否给本turtle的评价质量做出过评价的节点
, ]0 v, Q( G) I, K3 H4 S5 c! J[set note (note + item j ([credibility]of turtle (i + 1)))
. @. N) z( M% G;;*(exp (-(people - 2)))/(people - 2))]
6 H6 M; `) q- }2 b/ }6 S: |( ^set k (k + 1)
7 ^2 d6 {7 l* Y A]
1 c% E1 u) U3 @. ^ jset j (j + 1)
8 A) Z0 k5 Y' z! K! K]
& _- }9 O* o' t! Q7 l5 `set note (note *(exp (- (1 / k)))/ k)8 g0 Z- P( x0 Z* G' Z8 _" L4 V
set credibility-list (replace-item i credibility-list note)) g: o' a! i# g @" e- I8 ~" r7 {
set i (i + 1)5 d& Y8 C3 s+ Z% J$ l0 ]
]
0 T: {' w. q) f$ z" o" hend
9 z1 `( P6 Y E' F( |9 U2 G$ ^5 m) s. a2 @) ?
to update-global-reputation-list
% e. F$ G1 q3 b0 x3 c- F/ L: Jlet j 0
; X& d9 u. F0 W3 F# Q0 Iwhile[j < people]
7 @8 z2 I# C& v! D- F' p8 u[
3 F& r2 V3 [ E- X# {& D4 x9 ?let new 0- d$ Q1 E8 U( d. i8 l; M( l
;;暂存新的一个全局声誉" Y! b$ u8 `; w) f9 R
let i 0( `& U# V1 W4 j- G: b( _- P& ]
let sum-money 0' j! Y; o1 H1 X, r
let credibility-money 0
6 j4 f' }# T: \) B) Wwhile [i < people]
$ J* c) }8 z# s+ Z[
) S( X3 }' \8 m; `set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 {" F2 W. p- Y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
2 x5 @& L+ V" m4 Aset i (i + 1). v& f: J) H- O: M" I' I; c
]6 Z! y- S8 r9 V0 ?/ N' e
let k 0! n2 L- B+ a3 N9 s9 t& \1 u
let new1 0
( c# `+ I' `$ P dwhile [k < people]
4 }) \1 \3 V8 ]* A8 ? i[
! Z) ?+ h5 u* @; Tset 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)
, i5 G8 K V0 w2 Kset k (k + 1)9 p( u2 n2 ^6 k
]
, r6 _, ^9 t1 K8 K; }9 T) P: ^set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ n7 w! L: d; d8 H: O4 W* bset global-reputation-list (replace-item j global-reputation-list new)
& {8 y8 i- T, ~set j (j + 1)+ j6 a% P W! }0 C; O1 x! K
]
; e( x. o7 r4 I1 R7 Vend- H3 i F6 `% H( R
$ j% p( K2 ] p) c& B0 p
% N& k& j( ]( O1 M3 ?2 h" m* i: F1 h5 \
to get-color
0 K0 I! Q& ]/ u# q
; T& P# j. i8 ~! Vset color blue& L, [! }- l7 k& A
end
7 M, H/ ^- r$ U; G# M% l- v* f' U3 l: ?: _) \8 m
to poll-class
. q6 `8 C4 u! ^& a$ y- B- yend
9 L; }$ m# Y2 f- W' n9 E- n1 d- D& F# e
to setup-plot1% e+ h) P7 h9 k6 E1 R2 ^
3 ^ |1 N5 T: J$ K1 E% Y0 p
set-current-plot "Trends-of-Local-reputation"
7 y l9 j& K6 o- ~/ A* m$ l- f' h
/ _4 ^/ ]# M2 ^& y. q) X. I( xset-plot-x-range 0 xmax* W/ q4 |$ d# h2 X+ H' I* b9 X
) d7 \! S" w8 t3 dset-plot-y-range 0.0 ymax/ ^5 o5 r a) t q
end2 I9 B0 {+ r7 e/ k, N: L8 n. g
& Z4 c3 G" ~( ~6 i/ D5 x9 O' n3 _# ?0 [
to setup-plot2
% f. b! T+ m+ R+ |) C8 v3 G# \9 i# P. m* f6 V5 h* b
set-current-plot "Trends-of-global-reputation"
2 |' `0 m! t6 q; ~4 H* [$ Y/ ?
+ D0 m! A) S S& Q/ bset-plot-x-range 0 xmax Y9 W9 G: n9 [% Z
: n& t! @' V/ o: _% Tset-plot-y-range 0.0 ymax
. ?; E+ X; {+ u# |2 P9 Eend
u, y/ \1 \1 Z
9 g5 |# V/ Q9 \3 {to setup-plot3
" J+ s7 K* E8 i7 p& ?
6 _7 E* q) `2 N9 m( Wset-current-plot "Trends-of-credibility"
& F& o2 Z6 z, ^4 z) x" \2 ~% C; d8 B) N3 u+ b& z6 o+ z8 W
set-plot-x-range 0 xmax
& y t" F. j8 l! F4 m( @* j% M) u7 a! F
set-plot-y-range 0.0 ymax- X; t5 V9 u* M; f
end3 P4 O2 w5 i6 O3 X$ o
% e6 |- a Q' R- }; {! X
to do-plots7 i; `3 ^! G& y% D+ M
set-current-plot "Trends-of-Local-reputation"" S* A5 ^4 |- N" a
set-current-plot-pen "Honest service"1 s9 O+ t9 }' ^& _
end
% X% i/ v) Q% X- k$ G& r/ o
6 l7 ]5 ]% y8 v* ^; n; j, q' x[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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