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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
# G5 H* C9 d" ^globals[
. X; |8 `9 _" r3 ^; \( Mxmax1 B% @: o2 M) f" a5 T$ w$ H# ?3 P. I
ymax
! ]% X! Z5 U6 ~9 H/ pglobal-reputation-list
0 L+ Y' G y0 K1 z k+ {+ v6 `0 w9 {1 j }1 v
;;每一个turtle的全局声誉都存在此LIST中
/ N. C, O) y- B4 Wcredibility-list' S5 p/ T0 y7 S6 I* H+ Z" h( Y
;;每一个turtle的评价可信度) ?3 A Q" [; M [
honest-service/ E8 |5 C% J4 ]9 k! x1 P4 x) y7 n
unhonest-service5 a8 l- R2 a# O p3 P8 n, a
oscillation
) k9 x# H5 s+ v% H& `" \' Z* I: p9 Vrand-dynamic
0 e, u* [" ?4 R9 @% n( I9 R* ~]
) P/ y! [. H& P
3 E- `+ C6 S; u6 j: W( Uturtles-own[
' |- c" B& W0 `) t8 ]7 _3 ?6 mtrade-record-all
1 e1 g- C1 O9 o% A;;a list of lists,由trade-record-one组成/ D$ [& ?) U3 d) [
trade-record-one$ P# j* m# {3 x; `( k
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ Y: \4 X; H. u8 N1 T/ Y& T
) d' u1 o* {; |. D. L8 D' c8 l6 T* [;;[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 G1 r' B7 T A0 g& g2 I e/ Jtrade-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]6 F5 _! K3 {% T! f4 N/ N& 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
% g; n. o9 |4 W7 Z& o$ c: u& \# v; Xneighbor-total+ t1 T) G9 K5 q1 U, T! s9 R! q; i
;;记录该turtle的邻居节点的数目
; _! S) v3 S0 A7 vtrade-time
@6 Y y1 z( i+ p' @;;当前发生交易的turtle的交易时间- n( h2 \! j* R4 z; p( Q' X1 M6 M
appraise-give
# _5 S; _: z: Y$ W3 E% ~) r; `;;当前发生交易时给出的评价+ c4 ]/ f% M, v: o& [
appraise-receive
# y- z% V- I. T9 {8 ]: ^;;当前发生交易时收到的评价
0 c! b& P/ P' R& y7 S0 j8 c' k5 u& O: \appraise-time
7 ^* h) {6 @3 F8 a( E* };;当前发生交易时的评价时间9 `5 W+ P) ?2 i/ O: r' p9 J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 A# y7 w" R9 |+ ~7 j' k0 Z% Ntrade-times-total
5 l) L& ]. n: N- ?# w) E# U" x( ?;;与当前turtle的交易总次数
! g- V! B( _8 u9 ~' c2 p! Qtrade-money-total# \( B) L/ ^( ] b! Z+ L
;;与当前turtle的交易总金额
& p) X' ~- P& v8 d, klocal-reputation
* S( Q2 W* t, M0 y& z: Zglobal-reputation) z& [$ k* C! x) z
credibility
7 B1 W! U8 m4 a1 ?) c8 ^4 O. ?;;评价可信度,每次交易后都需要更新/ Q) ^8 T% E8 [- O
credibility-all
3 X* I% g" j+ n) `5 l$ u;;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- r, K! S( Q1 z5 W7 L
e ]) ?( q- ?- M( j;;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
7 c* R4 Z7 N4 ^+ |3 a+ ]credibility-one
+ w. z+ r$ k% q$ F2 ]- r6 y; w;;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- N& x' t3 k, K( N: O! D6 g
global-proportion
4 c4 a- k% a+ qcustomer
. Y9 A' |5 g7 C) Wcustomer-no
: v/ L Y' {( r; V* ?trust-ok( M7 N' E* d1 a9 }: b( ]7 H
trade-record-one-len;;trade-record-one的长度
' ^: F, ^8 Y% Y8 K- J% W# x]
4 I" ^% ]$ e+ p$ d: B1 v
/ m, o6 e; v( \: l;;setup procedure* _4 [/ q6 N* @' v1 V& z
' {% N( k5 f+ |* ~0 g# l- n
to setup
* Y7 w7 t. l; W' Q
, V. V0 A" E" Q+ n. _8 eca
! G0 K) Q. C. p7 Q! v+ J1 ^3 e1 q5 \# f! Z4 r0 n
initialize-settings9 P4 r5 p' k- q" R
2 j6 Z2 r5 s( R a- k' vcrt people [setup-turtles]& W# V- Y) `. ?5 C8 y w- d7 `
9 |/ v2 Q, d7 O5 Wreset-timer
/ G# n0 H7 S" l7 z4 J, m0 u. D- M) {+ y. ?" ?+ p5 c+ B
poll-class
8 \3 R0 v8 |, w6 N* @/ a& x* S3 z% ^$ F- e
setup-plots
1 O. K: o3 H( O' k' e3 Y: N6 t$ N1 S! U* y5 \
do-plots
2 ^" R2 N E5 A/ p9 jend9 W& R7 I8 m/ Y1 W/ A4 A! n, O
# b9 B5 n! g6 A" g* i: z
to initialize-settings
8 z# J5 f- L3 ^0 m; ]/ ~) j5 q
( t/ j! n% Y- k8 Z8 ]set global-reputation-list []
* |9 E- d. Z$ C* c8 a8 M: ^( v
set credibility-list n-values people [0.5]
8 x" _) B$ f' O- m
2 z' ~6 @0 C6 l9 y9 X( ?8 |set honest-service 0
0 V+ d& U* u1 s7 K8 A$ o! w/ [# @6 r5 m7 d
set unhonest-service 0
) s1 S7 `+ Q: p, z" @0 q# G8 X% a* @8 @+ y& o* S
set oscillation 0# _9 O6 a4 d: w$ ?
3 k0 b& i# V) j, c+ P. |/ i; Mset rand-dynamic 0* r% t, E% g7 \9 f* `' ^6 d
end
' E9 p" k0 d: D M
+ {' g, F3 G5 A# r$ bto setup-turtles 0 O( {1 F% e" }# x" Y/ K+ d; k8 `
set shape "person"
/ ]3 ]% b. P" x' G: F: Rsetxy random-xcor random-ycor
/ Z- z5 D/ Q/ z* Y# Xset trade-record-one []
0 y8 n8 N, X/ O: n8 f; o
% w0 M [& E+ r m; D# uset trade-record-all n-values people [(list (? + 1) 0 0)]
( w) w3 `1 f7 D/ `# o3 n! q; C& Q" _: \" w1 T: g6 E* q" T
set trade-record-current []
4 \- r, j6 j* g) ]set credibility-receive []
5 `/ |: H5 h8 S* z* mset local-reputation 0.52 m' ]5 _! F1 K( i5 l A
set neighbor-total 0
* L9 {; l, X& F3 R; |% A, @set trade-times-total 0
: U( n$ T! Z2 _! C3 Hset trade-money-total 0. B8 P4 Z' {: a) [4 X
set customer nobody
( h) d, P6 k, k$ o7 W" Y0 Nset credibility-all n-values people [creat-credibility]2 T3 g$ |8 W! z* X' N
set credibility n-values people [-1]
1 }, {* N6 d6 T0 U6 Q% Q: c$ l+ aget-color' ^3 D' O6 I+ n2 Q# r* V' a! m4 x
. R6 u. Q4 ~/ P; F& y: d" Mend8 b& O4 z3 h+ Z- x- l
3 y$ L) f: J3 ?; r
to-report creat-credibility
7 r" e7 P7 N) p$ W+ vreport n-values people [0.5]& X$ Y% F5 s3 k
end5 l1 E0 z" b+ @7 M# `
, V" X" W+ |# X4 U6 _. [$ ?. g
to setup-plots
t! _. W: r& f) A( }" |) t Y* [) [! Z7 e0 E6 ?
set xmax 30+ r& K3 s5 G B3 \& ^
" T7 \& g" ]6 b3 o
set ymax 1.0
5 y6 x" { e7 g3 y! O. I
& {7 D* _8 Z; I" \6 _% u3 D2 @clear-all-plots( s- w; I! J8 X) b& T2 `5 D
4 D1 I# E* s4 X. M) ^1 ^2 U8 }setup-plot1; e% b+ v' z1 j% [6 h5 ?
# v9 ?& P N; F% ]. u9 i
setup-plot2. S) T% @9 b; [% c
$ u7 D8 Z: `6 _
setup-plot3
& _ p/ s [. N6 n K$ m( ]end1 _" C/ g. d2 }; t
8 O5 Z' c3 h% M. j' K
;;run time procedures. y$ y! {: b, ^( V1 j
& m! P. p: d$ U( d2 P# Y" [to go
+ B% c& Y6 y. \! m
' M8 P3 N9 w# m0 F9 |8 y' {1 L5 K _ask turtles [do-business]) ^: q, A9 v/ }7 q# V# X& z4 U) |
end3 j) M1 b. J, R3 k$ r. d: f0 n
n' c$ }2 J5 X- M
to do-business , p: t- T+ y: Z" _* @
8 b. t L8 W+ X9 j9 G, ^6 |
2 y, l3 M/ n. P0 lrt random 360# h4 ]% ?& F0 [- G. }( a- K
2 O3 {; N; a! d- J; {. E
fd 1
; U! |! a' f# C0 c2 F. v
9 q# v& p0 K; {) z) Pifelse(other turtles-here != nobody)[: n' i% x! q( U& t
1 W% G. k( G& l' d* Qset customer one-of other turtles-here
* j c/ I' N- Z/ M& `8 n0 H; {
;; set [customer] of customer myself0 m @, H, [# c4 X
( m7 b3 h) n5 T* W7 S* F
set [trade-record-one] of self item (([who] of customer) - 1)
* u' v/ o% z! }8 o[trade-record-all]of self
& E, a$ W' u3 r* Y; Y, Q: i;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
3 _ q" o: g: G
8 }! a0 V' N9 \. `% N% yset [trade-record-one] of customer item (([who] of self) - 1)5 Q: K7 g$ W# @ L! j
[trade-record-all]of customer
4 y6 H! Q+ t W0 F) F- {. q9 [( z2 [: ^$ t. A
set [trade-record-one-len] of self length [trade-record-one] of self B; ]- ~& I9 l, r& I* }
: a, n9 J# T, k+ J; U; M! ]set trade-record-current( list (timer) (random money-upper-limit))) ?( N8 `/ A( \5 Q+ u/ k' C
$ B" e/ y1 h+ j1 k, w! D/ q
ask self [do-trust]) _: t9 H) K- {9 y8 E6 m( {
;;先求i对j的信任度
# P/ b& B* [) B' A* v9 R2 e) d' r- s6 N) y. {; O
if ([trust-ok] of self)
, R; U v# K; E- y;;根据i对j的信任度来决定是否与j进行交易[7 _) D8 r' S" ^& Q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; [: U9 Q, w0 D
+ l! z6 V0 o5 m8 n- [[* F5 q' S' I- R( q7 b `# D1 m% s
" K2 }! z& y8 f; e- ?( V
do-trade
0 [3 }6 i* M4 N; G+ n. b! B5 |
( e+ v* p$ ~& U/ i8 R( i% Dupdate-credibility-ijl
3 b f& x1 `) t( n1 k! t
' L8 n! r0 Z. |5 R9 u* i" P" W2 Zupdate-credibility-list
! K, t4 G! A( S" I6 m: `
L$ h! ?% k- C9 q1 d: @$ c) Z& ]( G. c# X8 y
update-global-reputation-list. ~$ Q% S, l4 O' G7 z
+ p6 g. D% L. G: Hpoll-class
( b: |! ^( n8 z7 [5 e+ ?% g/ N3 @5 n: X- F: P9 u
get-color9 N/ ~ T' v+ O
7 c+ R6 N0 H u1 N( h8 x. S6 O]]
4 e* V+ J, O0 F- P9 [2 s
7 N$ v1 @5 g" t6 q# A;;如果所得的信任度满足条件,则进行交易$ ~% ^% }% l" ?2 r+ C& L
6 l e5 {! ^+ n! c, C- z[: P$ t; J& @2 h+ a
. c2 A6 G$ I' F3 `1 [
rt random 360( W- F$ a. e0 q8 d
* k3 M- Z; v" M# w; S1 F& z8 dfd 1
% o! \4 k: i, Q, v3 [+ _
4 V, \6 o1 ]. F. h0 \]
9 M$ e1 X" `, L5 r3 p
4 ]$ B/ f7 W7 X8 c9 a- ?- R- q' w# dend
$ h. n& `* e4 l+ C# k
' w: W* Y: D6 c3 K* Q7 y6 \- Z1 D# r4 Oto do-trust
5 R$ E" L; U; l, V+ N2 M: ^7 c6 V! m+ Qset trust-ok False# a% X2 {& d: U W# m# L6 I
. Z$ c* V0 Z( v9 W' s W& ~
9 d" ?" t' T. ~2 b3 f/ M6 `/ c
let max-trade-times 0$ W) s+ a" Z4 J6 u3 O
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, C& G' p5 M3 J" y, g1 llet max-trade-money 0! O0 G9 D( _; a2 Q0 H0 G8 `+ R8 k4 l" U
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 g9 u3 r: x6 ?0 U$ A
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 S4 V8 @* X! k/ t6 q, s/ l
( P& {1 t4 N% b! a% E+ |: N1 q
* Z! K0 T+ R. |get-global-proportion
. E& |4 I+ \) `( t: }3 Clet trust-value+ K% M' J. p0 z 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)
9 e5 f2 \) b9 M* m0 vif(trust-value > trade-trust-value)
& b Q: d: f' I8 u9 b7 }[set trust-ok true]2 m) u3 z6 B) x* @- x3 |5 O
end
: q$ n$ X1 b1 A: d/ l, l1 h3 b% U, b. w" g
to get-global-proportion1 g% X0 {7 w: I; E( ~
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ y4 L$ N: a, p# ` T
[set global-proportion 0]! U' k. R7 [2 Q: i& h, e. s/ n
[let i 0
- |) Z3 s% F& P1 h' \let sum-money 0+ e& Z7 l' g' r) Y& {0 \/ a
while[ i < people]& r3 Z; z( A7 p' A. T5 @ G
[4 ~( d$ h* \- \# M
if( length (item i& f( K# h, [# }% g, j! B0 j, U
[trade-record-all] of customer) > 3 ), X. J* M( s# y4 [
[# f2 l% U2 z2 a- R
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ ^: M! @( n* O]
& }2 W. K7 }* ?8 c1 N2 E3 T9 I6 c]
& M" D, }$ c/ B4 L8 Vlet j 0
8 S# w. U: w( b1 }6 i( v/ i% _3 Xlet note 0
. d; a: {( a8 T- g$ lwhile[ j < people]4 u" q$ y+ u9 p/ j0 G3 T
[' Q0 a$ _" ~! q( F7 f' z8 E1 u
if( length (item i3 l" e3 c. M' ?. H
[trade-record-all] of customer) > 3 )4 P3 }) |" A7 V8 m% H' p0 c. {* ~
[* j6 F; m6 \2 M) H
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). @! {9 \2 v2 x7 ]" C' |' C
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 u, @! L+ A! Y, _6 y8 D0 L[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" w7 ` Y# `0 U]% t: V& g4 d& K. ]) u1 F2 A
]
. {' O' @# L& Qset global-proportion note' x+ {. Z2 e A0 V0 i
]' r/ b" _: ]4 o3 G" O
end
/ x; | Y1 l1 f0 z
9 D1 V! w, a" ^$ w6 I4 Zto do-trade
: A% d1 d/ ]. u9 q. I8 K;;这个过程实际上是给双方作出评价的过程
4 X5 M7 v" S( G1 o/ wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
( u* J! B# Q" t" F6 i, Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价$ s1 n/ M! e; w9 q
set trade-record-current lput(timer) trade-record-current
/ i9 Q2 c/ u) V# V;;评价时间& ~# I3 f O. w& K
ask myself [6 e) j# Y* E* B2 c9 i, i9 x
update-local-reputation6 e' z u5 ~$ Z: u! N1 Z: }
set trade-record-current lput([local-reputation] of myself) trade-record-current
6 N: o' D) z6 M' p0 T9 ~6 p]
4 p, V- Q" A6 c& Nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself! q# ?4 w9 S% n2 c% C
;;将此次交易的记录加入到trade-record-one中2 R/ d* ]. h5 _' U9 E* @: \" Z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ p3 y, T8 h( d* ^7 F" q; Elet note (item 2 trade-record-current )
+ g; M+ t2 Q' q6 l [. w5 Pset trade-record-current
5 ~7 o: a* C1 Q I) _2 J$ N. X9 f(replace-item 2 trade-record-current (item 3 trade-record-current))6 s% ~) x0 ~ i+ }& S" Y. o, A2 S) l
set trade-record-current7 J- K" B. ^$ C2 F1 x' z. I/ T. Y
(replace-item 3 trade-record-current note)' \% i6 c' S! l" `8 M" w; f
) w& m, r2 ^! B* S1 T2 L* _4 \; R+ G7 ~6 |$ |- ]/ Y" z. Z' R
ask customer [
1 v8 K5 m* d0 z$ X5 kupdate-local-reputation: l; H: c I; w0 Y
set trade-record-current& h$ `8 {% M) o1 y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. D) j, r# O; a J6 R0 C]/ e0 a$ F% l; G+ I7 K5 i8 X9 N
( S6 ?7 C! c7 r3 y9 t1 V
7 B7 @+ x. P' p( c/ a% Z' w4 t7 }set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" G# {( S9 }) l+ R
3 n5 ]5 m) w0 Y( ~+ k0 J) lset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# S; h! D# g+ h- T. N8 `% A
;;将此次交易的记录加入到customer的trade-record-all中
- I$ E" W+ t" v+ J/ Fend. r3 A r. M# u; i3 |( z
. E6 R4 G. v- v$ ^" g. S
to update-local-reputation, \* |0 y4 T+ c& m; N
set [trade-record-one-len] of myself length [trade-record-one] of myself
6 Y( A; B" h7 ^( v- @% r1 j
: J$ c6 o7 ]6 X; o& Q$ S! h8 x, h( R2 Y2 a }
;;if [trade-record-one-len] of myself > 3 - L5 C/ w; m+ a/ V
update-neighbor-total
. Q2 M# D4 O* k2 i& ];;更新邻居节点的数目,在此进行) |, y3 X) }9 _; O6 I5 r: `5 m
let i 3
" k1 i3 [) x2 u3 j/ F3 b% plet sum-time 0
" S( E$ M1 i( z) Wwhile[i < [trade-record-one-len] of myself]
; Z1 {' ^9 l. r3 ^" L[
' y& X# Y7 X8 g1 B* s- cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 x" r) n W9 ?' _; f2 s
set i
+ T6 k: b! f: x6 L8 T" x& j( i + 1)3 \" y ^$ w$ }7 \8 ]5 O9 V
]
# I2 F4 w/ Q: j; V* |let j 3
1 I: O5 s+ @5 V- H& }let sum-money 09 Z. X* u, n/ V" i o D( d( z
while[j < [trade-record-one-len] of myself] @7 A3 P, L0 P; y9 L. P
[: i( P) F5 N5 S7 t5 M
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)
/ ^3 _- u6 f1 t/ f' wset j R8 h( l2 d9 d. P8 S3 u
( j + 1)
0 N/ r% h, {7 V" T/ { T]1 D" F2 n/ R; J) p7 M- K
let k 30 [8 a: O% [; m4 n. J
let power 0
" J. \: t" t- @& E' S1 J9 @let local 0
# n* j2 M0 _/ X; [9 n y+ Vwhile [k <[trade-record-one-len] of myself]: T, n0 _% t! C# D' |
[% B) q# y6 ~ s( V+ r- W+ O
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)
; T4 G$ N/ m. f2 r0 hset k (k + 1)
5 r1 Y* p9 {) U% Z]2 j- ^3 A4 A" q ^4 q6 K
set [local-reputation] of myself (local). n8 @* D2 B3 g9 l8 w) z. V; o& |
end+ q' Z! l( a/ V3 l& L0 y' {
) ^, h: S7 ^/ |( |' d5 Q7 e7 k) {to update-neighbor-total! e0 ^$ J l3 D1 _; h
( ]+ U' h9 N$ @if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" f6 x, f# N Y" H& N
$ g3 ^, @- Y2 x0 o ?0 e. C1 M! M+ ~9 R
end5 X1 c1 O8 f9 B8 i1 H+ l
1 J: a* H3 C+ ]3 f- y' k# |to update-credibility-ijl ! ?/ Z0 O8 m k+ @4 w" m; `
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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。% L) R4 b' v4 m) F
let l 0# k! M2 j _* \( v8 Z& ~! h( M
while[ l < people ]; b& S; f) w. W8 {% O
;;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
; }$ P& _" c1 i- b4 y+ ] `[
, A. O0 a7 x; F) j. c! l9 A( mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 u8 `9 Q0 p! o( Z! T! i/ L
if (trade-record-one-j-l-len > 3)
: ^ M# a3 N% M+ u! J[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) m3 k- U+ m! Clet i 3
2 F$ ], M! n5 q( d- m( vlet sum-time 0/ X; K$ i* Y3 w$ d7 Y
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
( F: k+ \% O V: Z1 P" {set i
" D9 m3 n4 \: u1 M( n( i + 1)( ]1 r; d3 P, z; Y n$ F, \
]7 h. d7 d/ e& h3 ]: E
let credibility-i-j-l 0% q" f% z0 _/ m, K8 J3 ^
;;i评价(j对jl的评价)9 @6 y, E1 O& E1 G* P7 C7 h
let j 3
5 }! ]9 s5 I6 T' [- llet k 4
) ?) i' }' z- R2 a5 J4 Z, bwhile[j < trade-record-one-len]
$ |# j" T U( T1 r6 ^* }[
2 {+ y. d- B0 M/ ywhile [((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
4 M1 R) \0 V' u- O$ G. l% u qset 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)$ f' T4 W3 }2 n5 X) K9 v
set j$ {+ H6 L; x: ]( Q. K' r
( j + 1)" q5 w; z2 G/ n+ y
]8 x# C4 Q% Z9 n) R0 z# p/ ?
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 ))
7 I8 L V6 g: J: n, m
+ \2 n$ f! c9 A0 m; Z( t
# T% ^5 `( x4 _& L3 A0 l9 Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" Q/ ^! U; A- D" \3 S& W
;;及时更新i对l的评价质量的评价
( Q# ?$ Z' c# E& T, ], {) a1 f; Dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: @5 n4 N* q$ ?set l (l + 1)
0 v# Y3 K r5 h5 ?]
+ E- |5 ?& P+ _* ~6 eend
4 K8 q0 w/ q5 L2 _3 ^* D- d4 ^9 d T ]
to update-credibility-list
; q3 s9 A% l9 N( w, Xlet i 0: x3 R8 G U* j E4 |
while[i < people]; u; k" I: }1 w% k( F; v
[
- ^4 n) [2 a# f7 {8 k( ^) elet j 0; M3 E9 C1 t; K9 H j8 _
let note 0
/ J0 x8 y' x/ W nlet k 0
6 x2 d, G) H3 S* L5 _ I;;计作出过评价的邻居节点的数目
9 K, F2 I0 F0 c9 ]6 Xwhile[j < people]
; f/ ^, D, K9 H; W5 E6 Y[
5 \" y6 }; p9 b2 N& k, \6 D. Fif (item j( [credibility] of turtle (i + 1)) != -1). M5 r& q# |. g
;;判断是否给本turtle的评价质量做出过评价的节点/ f- ? b- @1 u- M& _5 l) S
[set note (note + item j ([credibility]of turtle (i + 1)))# ]" h4 J( q! k+ E$ h) I9 E, K
;;*(exp (-(people - 2)))/(people - 2))]
; v* Z& h+ g7 _. Dset k (k + 1)8 j) `0 b: l4 g0 g/ V
]: I- ] F+ H3 n5 B: [0 P2 [
set j (j + 1)6 r5 W- m$ l2 c4 h- u
]
: E5 N& W" p4 G9 ^( lset note (note *(exp (- (1 / k)))/ k)
" a5 ]6 [0 M8 u P) J( ~2 @set credibility-list (replace-item i credibility-list note); r; N" r% F5 I5 l6 m
set i (i + 1)
: P1 t2 G( W4 `. v3 g5 x) G]
; C5 i; X& Z8 ]# N6 A/ Zend" T: w: `$ d! [4 E4 ^4 T' o1 O- x
& s2 j! L7 T- _to update-global-reputation-list
& `% R/ H. |) vlet j 0& k3 p K1 J8 o7 ?
while[j < people]
- g& I4 e5 I1 B( l6 G) \5 P[$ l( ]# c! _- J+ S% Z/ b1 I7 _
let new 08 h/ S3 O, J5 O3 W) ?; U
;;暂存新的一个全局声誉
8 q6 T. J3 d9 j! `4 v1 s6 Clet i 0
' A' ~6 R7 }4 [1 F! mlet sum-money 0' C% C0 b8 R4 C! U% L0 }* I
let credibility-money 0
. ^/ w% h5 i/ K; x# n8 ^; L# c8 a. hwhile [i < people]
: C$ i5 C2 [5 O; ?! R, Z9 i- Y[
5 y) O5 _* _* T' D) c1 b# X# Rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
4 Y' \0 E5 e6 I9 hset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& x- N5 t# i3 S8 m' G' yset i (i + 1)
8 f2 z5 _+ S: e7 ]2 |]
- v! g8 v# h1 S3 c. I1 Nlet k 00 d6 I' E3 S" }
let new1 0
' b9 P. R% Q3 D: H2 g0 R: c& Owhile [k < people]
" u% [+ ~8 G$ i: x- U# L! r- ^[
, r, f; h9 q6 s5 nset 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)* x3 y; j; Y5 x; C# j9 l
set k (k + 1)
9 e7 _* b+ W6 W* J] J5 ]! t J) d) x
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 j7 W, Q$ P# Q s: qset global-reputation-list (replace-item j global-reputation-list new), |) k4 a4 K/ R' q" _9 q
set j (j + 1)
: d0 P* W- {" m. P+ X, Q]
" h/ N* @6 Q; |9 z1 cend5 e/ y, d5 o' m0 W. K
# t; n. E4 Q, j9 |1 ]
# z- l8 j) c9 H# t
; i, s/ {. O9 r4 z; g" t# Pto get-color( m+ w" s* P/ N% q: d$ d
/ |4 Y5 M( W, [2 w
set color blue
, z/ m9 B! e B# \4 p% Q2 pend* t# c0 d. y$ P+ r+ v: o$ r$ S1 h% v
! ^- g) C( X g
to poll-class: o9 `6 H, _, B7 [3 F
end% [. R/ K# b: T; ]* X: w
5 M; t) m, e" k, h( N# s
to setup-plot12 d* S7 D b: Y* k" T5 D
6 X* L. t/ w' V2 z- ]9 B) \
set-current-plot "Trends-of-Local-reputation"
e4 E8 g* n: a8 E( y5 J+ I: ~' t8 z+ `* m
set-plot-x-range 0 xmax
l2 ^4 l: a6 I! @4 A
2 u+ J2 ^% I; s/ A) M0 ~set-plot-y-range 0.0 ymax
1 E2 J* y/ _( y5 a$ Tend
) p4 ^0 D! B; g0 ] ]. o z
# i; ]( {, G2 `4 Q! ]3 ?) Ato setup-plot2; B' C& N/ l) @/ a" y! ~& g
1 ]% x/ Z6 Y& m' i
set-current-plot "Trends-of-global-reputation"! g2 p& f5 }5 k3 `
- V) x* f5 e0 J$ Q4 q' ]: T
set-plot-x-range 0 xmax
1 f# k: h( {" u. M. o
& w* w% J1 ^6 e# {4 u5 Iset-plot-y-range 0.0 ymax1 C. F1 j; p' p: z( |! g
end8 x0 y" t! e+ `& b/ L+ o
6 O+ K; [; A+ n1 F4 U: Eto setup-plot3
, R1 e8 I" z: C# Q3 R2 k. c6 D/ R( Z
set-current-plot "Trends-of-credibility"5 q5 E9 l' c0 i
* R# v! w P5 W- ]4 [* l
set-plot-x-range 0 xmax4 P3 w% L4 H7 }3 r$ c
/ s# b& r6 _2 `! h. Kset-plot-y-range 0.0 ymax
@/ m" A, q$ _$ c3 L2 v4 B# _end
) _3 s- x2 t0 h: S% V8 Y- j: u! E; }4 q1 r, q2 l' Q% C4 S
to do-plots
) y' y* P5 }% u( \set-current-plot "Trends-of-Local-reputation" l) ~7 r$ a9 c
set-current-plot-pen "Honest service"
( h+ {: w% R0 u& uend: L) x; l& f; `# ^7 _
0 O- S: x1 i0 r1 v: h[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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