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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
* |. N4 P/ e! S/ v4 ?: {8 L& r% Wglobals[5 s% M; A* x1 k3 f6 C# x
xmax
" X) S: F+ y% \2 rymax
& W3 v0 w9 r1 h {" X% I* |global-reputation-list* m3 L1 q/ K' n# |. J( x% `
( ?7 D6 n3 |& ]! [
;;每一个turtle的全局声誉都存在此LIST中
% F/ K: |4 v' wcredibility-list, t0 B# g; L6 Y
;;每一个turtle的评价可信度
) {/ w: |- h2 Ghonest-service
, ^4 t( \3 R8 |/ Ounhonest-service
! Q* \. S T- L% ?$ `! r9 Boscillation
. v! z) o, L2 z# p @" prand-dynamic8 K3 a# f: ?! o' a' C4 n' Q
]
n1 C% r# q' j5 o) W6 }- Z1 D
/ l2 i- ]/ w1 Q& d0 O2 lturtles-own[
# Y: J! k' J& P* {trade-record-all8 R, `, d! v. u) z( F" |/ O6 d! s
;;a list of lists,由trade-record-one组成
& _1 u' w- h9 S9 V p h% O' qtrade-record-one. K4 J: K E# E9 z
;;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! b9 \' D9 F- G" t% @0 l3 e
: W$ S5 `5 M4 _/ W/ y' `;;[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]]
8 x f+ i- {8 u3 b7 H! p Y, {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]
% U4 {1 n& ]) B4 h- R+ h% c o) O. wcredibility-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! V9 i8 ?, z1 T7 H$ ~# _
neighbor-total7 E( ]1 {* `; @- {8 x
;;记录该turtle的邻居节点的数目
7 ?( ?& L; l* j# o/ f: Jtrade-time! p% i; P4 e# K' \
;;当前发生交易的turtle的交易时间
9 y& S2 a, Y9 t8 o& Uappraise-give S4 W$ P% z1 a+ e C; C: U# R
;;当前发生交易时给出的评价
. i( D; ?5 T- T. lappraise-receive9 u0 s# X) Z- I, d2 D
;;当前发生交易时收到的评价
2 H5 j0 g" H+ m" w6 J' N4 Q3 l4 jappraise-time
& S9 s8 E- |) y% f; F3 ~" A;;当前发生交易时的评价时间
7 y7 e* ^' u4 a# [; Xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉8 i$ g n0 K6 G, I
trade-times-total( t2 Z+ y$ s1 q L4 v L
;;与当前turtle的交易总次数
! [% e' }4 \: Strade-money-total2 u N& j) f0 j# R
;;与当前turtle的交易总金额
5 s. q8 ?: r* S+ Glocal-reputation) u: T2 O) Q1 m I
global-reputation1 E7 a/ V) Z* n
credibility( ^) Y( y& B3 w: I
;;评价可信度,每次交易后都需要更新: n9 m5 u- F H1 W" C
credibility-all
8 ?. G) f( q$ A;;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
8 e6 r8 j! q! K2 M5 D! u9 I, _. u( W8 }! ^# q% 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
9 [: ^* H7 y/ v; G& \' Kcredibility-one
% v( i& [/ T9 S& u q5 w+ E;;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
, y3 t- _' a$ ~% r6 eglobal-proportion3 z2 h+ O+ Z/ w5 S* \) O
customer
* J3 f( m! y- p& F3 H- S* Gcustomer-no1 l8 m+ X. s5 h
trust-ok
z! g7 f' i' ^0 }+ P, i" Strade-record-one-len;;trade-record-one的长度
% J& S3 T# {5 S/ j7 a" M]
3 ~, X) x% i( m& I& A4 S2 a+ |) n! w0 r/ e( k9 y+ K
;;setup procedure
5 U7 u, w0 O* H9 @1 u
8 L: v! S7 h2 m7 ?to setup
1 g/ u, h: E& s: V% j7 ?! M& b% l$ X
ca
3 Q' |3 E, B; L" _7 \$ r, i5 N5 D2 ]* T( ~
initialize-settings
* {; E: j( D, x# l3 A' n$ r! j+ T7 K( R; [, e% s. H% \% M
crt people [setup-turtles]" Y- ^+ N4 \% w$ G
& \- S% X" R5 L" [reset-timer$ ?/ w- s' y+ a7 n
4 Y1 {. b" q6 } Spoll-class/ Y1 r4 V/ y9 y0 \
4 n. x3 f+ o8 X' p0 O( p+ @1 I0 _) msetup-plots
* V" f0 S% h5 ]+ {/ ~5 Y' R: M3 W) R! w
do-plots
' ?% e7 C5 i6 L7 X: Oend* |3 Y3 m1 B w. i: C
$ J4 W# c s* r b/ A. [) o1 Z( X
to initialize-settings
/ A7 G4 s, M) P6 J
0 _/ s5 q! ^ V: U1 F Cset global-reputation-list []
$ j; V8 \! J, u, T/ O5 |
$ w0 o, h% y3 l0 k, K# }6 vset credibility-list n-values people [0.5]4 I4 K$ t) w7 g q7 p
4 C% ~2 z0 \, f i6 \6 o: N4 _" Gset honest-service 0
0 V: P" s% e, C" P8 _3 ]
- C1 \' j7 H* u, u, s3 Rset unhonest-service 0: @* r8 E- y+ Y0 d0 U
) W( x1 v3 M) m5 A- ] h3 K
set oscillation 0
, @: _' g' R( F+ b. b9 B. Z, S
) T! j: D7 U6 b4 C0 x. s" iset rand-dynamic 0- s& c7 _6 S5 F/ B }6 W
end
& f) L2 d7 F1 ^' l$ S' F4 r, T. p& H' b2 u- |; a* h
to setup-turtles 9 g6 J. _+ k7 f
set shape "person"
# k2 G8 U7 I% r: A8 @6 }setxy random-xcor random-ycor B8 p( }! M5 \3 h
set trade-record-one []/ K. x+ X$ ?2 B+ f7 J0 b
$ s( J& h) @8 ~/ z& a, C Jset trade-record-all n-values people [(list (? + 1) 0 0)]
; d' \3 d. V' G* L/ B% I R
* _. {& I. Y* @9 N* `# u5 zset trade-record-current []; V$ `3 u. c8 k* `
set credibility-receive []
" m* z& P2 ?! C# sset local-reputation 0.5+ i: `7 t1 X6 r: D; ?7 `& X
set neighbor-total 0
# A# F ~5 w b* J' d4 nset trade-times-total 0
% w0 Q% k8 F* L, Rset trade-money-total 0
" ]+ z% ~# x, Bset customer nobody
1 g& u- @; k& Q5 _. \& t3 \set credibility-all n-values people [creat-credibility]
7 b/ }! j* O* |2 \; |- cset credibility n-values people [-1]
* v3 K5 t5 L4 i( D7 Wget-color
% Q4 ?6 D# @' h8 D3 q) q! D6 g/ E m: s" t
end; n7 ~0 P3 O# n3 z5 z; I4 y6 G
% b, Z0 o/ x4 ?to-report creat-credibility
3 {( D9 s) O) d* d: M/ Yreport n-values people [0.5]
) d: p3 C7 H& ?3 Mend/ o/ S8 C$ i4 a9 @& T- y
) u E& f3 ~( c3 g
to setup-plots, A' P- `: X; s2 f+ ~9 {
+ i5 q" ^8 i3 O& a3 T$ [9 M
set xmax 306 v. ]" V) P( D- V/ D. k$ C' q
; e/ _: P8 t9 x7 M) I+ [( c
set ymax 1.0
) e" Z. W, J/ v& C, e( j" K$ d1 I1 u6 N4 t# M& A9 R
clear-all-plots
* L0 K7 J* K; O
% s' ]3 n( U. n3 V5 t! @( hsetup-plot1
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$ v$ x: S0 P9 k+ T/ Ssetup-plot2
; O0 X! }+ C4 `' l' n( c
$ W3 c0 f+ T* k# `4 Dsetup-plot36 l5 d2 v3 Q# m- a2 S7 D
end, x# s& a6 }0 G7 N) l# i
) `+ q A; G/ y
;;run time procedures
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1 J$ W6 r0 X8 T E6 ^6 mto go
0 w2 [$ m* s, b6 p! g2 e7 Q7 L# f1 Z. m5 W9 K" }2 [
ask turtles [do-business]/ w; C5 \. c0 f8 I, ?9 q
end
g$ L9 _) o$ H5 y2 K2 @9 r% ?6 l4 |+ U0 L8 W; [; K( ^/ K8 Y3 d
to do-business 2 e4 A6 X$ }% F3 l
! ]/ k& w5 ~8 m; m, M, ?2 M) o: z( g& V. U, u
rt random 360/ ] n0 u, |' o+ Z9 a( `. C& m, d! v
7 w" p- Y6 J, P7 C5 kfd 12 s* t" J) u+ S, n
: Z7 z0 c% H B0 ?ifelse(other turtles-here != nobody)[% h2 ]8 Q! y$ I4 b$ `3 K
' C! R) O3 D; J
set customer one-of other turtles-here
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5 ~) x; b. ~2 g! T a;; set [customer] of customer myself5 c4 T9 g8 B/ \. \
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set [trade-record-one] of self item (([who] of customer) - 1)
w! ^5 q* O0 r" w' s* }[trade-record-all]of self
5 \% W- K0 W) i* t( w;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 Y: S* h4 [ \6 x7 r/ u! ^
4 r" A6 t) E1 _: ]/ ~$ k2 A& \set [trade-record-one] of customer item (([who] of self) - 1)& @6 o. @" a3 _- l
[trade-record-all]of customer9 n$ G! V F7 `
/ Z J7 X/ [/ l, `1 w/ A( L: B5 S
set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
' T# d; _& P. e1 K- T
5 n3 B, L& I; _ask self [do-trust]- z! G/ k! ]* o. B' G
;;先求i对j的信任度. v3 j8 R4 S8 Y0 }; R+ c9 W
' V- f$ S* z3 t( i5 O vif ([trust-ok] of self)2 P. q) r# P2 U2 Z, m. T( X
;;根据i对j的信任度来决定是否与j进行交易[
6 O# G8 |2 p. x1 Rask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
u" ]1 a" K) }# k \3 z9 A4 r+ f$ Q1 U9 p# ^
[
$ [! P9 v- S# }; @+ m7 f9 G* b8 i# X/ I! q# h) I0 C
do-trade3 h$ c2 W; F& v1 Q
! K' B+ f' Y. G/ Y' c
update-credibility-ijl
: B% E0 x/ M/ e- K
, S4 J) J: A: ~( {: `$ j: ^/ kupdate-credibility-list
" K# h3 ?; E T/ [
^; x) e; x) S% Y9 k+ t. y; D9 j5 d. t9 y( W: I* \8 Z' y9 S. K1 Q
update-global-reputation-list! U5 \2 V' p* {% K2 l1 b! V
4 c" N, Y, j- Z7 g2 I) ]
poll-class
4 k0 m) |7 a& B
" p) @' [3 z& Nget-color
) |' v3 i6 }9 \! V/ y4 B9 K' Y4 o3 y7 A# V8 X+ `( J1 G% w2 e5 A, k
]]8 \, N2 @9 N7 ^7 j
6 W% M t/ \: i
;;如果所得的信任度满足条件,则进行交易1 ^! ` C1 a0 V. C$ ~
0 M7 _; N0 ]& T h1 K2 ~9 O[
0 L3 @2 P! S. i/ a! h# b5 Y6 K/ W% {6 J9 ]* C
rt random 360& ^4 `# ]- ~+ s$ d, S
; p5 j" e8 r! ^1 vfd 1
" e' e+ K w3 V4 h1 e
% U/ r& c8 n$ V]+ i! \0 A+ r+ t8 w0 H' Z
# s/ d2 L: ~. I8 q) Tend7 C7 x4 ^9 l* d
1 [8 {5 d" H {3 U: }- M7 Q7 X
to do-trust
. i8 y' r* s- C& h- G3 B1 U. Zset trust-ok False
& l( ?5 a+ U( a
2 Q, y: c, |% ~* R1 q* a. f
. R8 X7 g4 `4 x- H! l, Y+ w* xlet max-trade-times 0
; @: Q# I. ^$ K* z l' s0 }- Eforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
( w6 P7 H& `% X% Dlet max-trade-money 08 o! }1 [1 L7 Y, U, d+ V9 L Y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
% B {# n& K5 y( I( g) b- K5 mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ `1 J5 c: }( J+ ?% t
- g! r% c/ c( D0 n* }- r3 S
' i. q1 J3 o* s; l4 J) ?4 Cget-global-proportion
) P4 W* B; f# {* P5 L7 E, C$ [let trust-value
! L8 @% F4 ]: P) Jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)7 x8 k2 c! R. S- t6 w. i
if(trust-value > trade-trust-value)
2 ^3 O5 i, g2 I, L$ n2 \2 m[set trust-ok true]
- B& F, ~! Z1 H. Fend! ]4 O, J, v* a" M3 ?
9 m2 M! W" O, g4 Vto get-global-proportion+ j; z% v$ ~( P8 Q+ N
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 m: U7 c! J7 Z% K" U
[set global-proportion 0]
, g0 Y% `; Z/ M[let i 0) M$ n$ l C. I
let sum-money 00 O7 @9 z' X$ N8 p/ k0 F
while[ i < people]
& L) J2 }' Q' A* G0 ~, [7 A! l5 f0 |[3 X4 ` _# _0 p7 b
if( length (item i8 N1 x4 I9 p! W8 a$ p! Z5 p/ N
[trade-record-all] of customer) > 3 )
% P6 x4 x* [9 I1 A% _ m8 d[
) @8 h7 E/ |# u! v. Y7 H1 hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))* _' f+ A5 n" l- b
]; M2 t9 Z. a! Y& U9 T$ B, c5 C6 n
], D+ H" B k2 d$ I `7 r% Q; Y
let j 09 f) V& u9 n8 L: g. B8 Q0 c$ X
let note 05 o5 F9 C/ p" r2 n3 ~
while[ j < people]
3 l+ Y- @% G4 p( p& |[5 B6 m$ p4 a* u- G' L
if( length (item i
. C9 M6 T8 [: ?: p3 j5 G[trade-record-all] of customer) > 3 )5 u1 ]( v7 s3 }( i
[$ P `" X, M: q- K; w: H4 U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); m0 [0 U X5 d S0 j; M# r
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& t9 X! E5 a6 W/ G/ J% s% w& ]$ F[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]; @) w2 o% m% C6 v& L& x" {
]
4 N7 x1 W& b) N]" ?! j: G. ^6 b5 Q/ u9 ]2 C
set global-proportion note9 g3 F/ z5 O; M0 F2 t% E+ O
]9 @$ N! `0 o* v& Q1 ^5 l
end9 Q& d7 j* Y' E' F. i# ?& Y" `) ^
g. ?- m2 D& ]+ U O/ n4 o; U
to do-trade
, G+ w# ^- D$ Z* l8 ~4 N7 F;;这个过程实际上是给双方作出评价的过程
+ @! [, J y$ O$ T' c; Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" P! l* o% x" W1 J; s
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 R% [# B7 b$ N3 R$ q7 i& pset trade-record-current lput(timer) trade-record-current
; J4 j9 g' m4 ~) }0 S;;评价时间
( u6 q4 D t5 h' e/ task myself [" p' j3 |) r2 [0 s; P1 N9 `. s( p" j8 R9 V
update-local-reputation
4 X3 l2 w& ^& x$ ^$ B% lset trade-record-current lput([local-reputation] of myself) trade-record-current$ Z! K0 I# U& P' A6 K
]
" S" Z+ y" w, `9 V1 x$ K& \set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 j; e% y, }7 H+ d+ ]7 @$ v;;将此次交易的记录加入到trade-record-one中: c- i1 h& e/ ]- y$ }, V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). H; {( }* y$ L" \
let note (item 2 trade-record-current )! o G6 W7 \& c
set trade-record-current3 ^! F- Z6 D# A$ q
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 {# [+ `: ~1 Cset trade-record-current
2 a/ t$ ^/ m8 y(replace-item 3 trade-record-current note)! H: c L: {2 i, |
) d3 Y/ U( J8 S5 y* l2 K+ k8 z
3 K- f& |: v( a' gask customer [0 E- s; A+ V& O2 i+ Q' M
update-local-reputation% g6 W) ~9 I) o+ U- C
set trade-record-current7 @+ s4 o9 g8 |
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ! o. C1 l7 B$ N& N9 U; ^
]( X; [2 P+ \& m9 r9 p: x' ~1 A
- o" C. I. D! q( C/ A {
, l, q- e: R$ u3 {& I
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 O8 {) ~% z# b- ]
; r, `: }8 [4 K4 d a3 l
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ m A7 p6 B$ f$ d;;将此次交易的记录加入到customer的trade-record-all中
& t1 d2 y2 n5 v4 p5 E6 s+ W9 f& Pend; z2 g% f$ o/ T5 X( z% K |( }4 Q
6 `3 \ Q/ z: e; v" c) ^' Qto update-local-reputation' r* ^- [+ {+ E" g
set [trade-record-one-len] of myself length [trade-record-one] of myself
* z# F% h* U9 I9 F2 m/ e
- P0 b7 ^8 E4 _% P Y6 X! R% S3 R* F/ [
;;if [trade-record-one-len] of myself > 3 3 Y: i* Z$ W9 x. k9 H5 T
update-neighbor-total# Q. W+ y5 q8 C, c0 y
;;更新邻居节点的数目,在此进行' z* ^# s9 A$ R+ @& ]2 H1 }
let i 3* }6 |8 K* |& ?
let sum-time 0
- Y" l) {+ ~& T' o" E6 h8 K0 x4 pwhile[i < [trade-record-one-len] of myself]
6 t0 C8 A+ x; u$ E2 t% S[1 ?7 E! Y5 \$ d: M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% C$ C6 a t6 K5 y! \
set i
8 G( G' I9 E0 R* l# N( i + 1)% D4 I9 Z! g3 Z/ e8 p2 K9 @
]3 t$ l( r" ?' H0 o- Z% `) o
let j 3
) G) l9 h+ ^; L# |2 @let sum-money 0
. K+ ?# F* R% C* s* D: ]while[j < [trade-record-one-len] of myself]2 B6 A3 T4 z; |4 x6 |
[
2 U; u& B; d1 t' h- ]" W C* yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time): `# M# m# [$ N6 ~9 T8 w( V/ f) V
set j
1 o& ?( z" j8 H- Q: I$ q* k/ t1 Y( j + 1)
' O( J/ `( `9 {# X]
" t+ s- G% u1 r4 H8 i7 J# U6 flet k 3
: I' z2 a) y# p' l" `! N. H vlet power 0
; X m1 r# d" Q5 W/ r4 h F5 o$ l: ?let local 0, p; B, z! T% \2 ?2 V7 z; N
while [k <[trade-record-one-len] of myself]
! o1 x& v: p2 @2 M+ r" S) K* l[
z2 c3 t) t( V6 f, {6 L% wset 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) ( _2 \, W, ` X7 U. x7 H
set k (k + 1)9 W( e3 o A# D+ r
]. C, S2 H8 Z* M1 H; P6 T; Q/ y6 k/ b( ?
set [local-reputation] of myself (local)
0 ^, G" E3 d( D- J1 |end+ A* K: f: m8 \) R' U8 J9 ]; }& ^
+ A6 c* \. }2 W2 jto update-neighbor-total. Q( M' k: K( q
, E6 |* N/ I; x, i4 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 U5 ?0 o1 s7 _
) o1 q9 ?% l3 o' m& I# `& Z
; `* V) J8 X h' Zend
. A+ l& B) ~! j5 w
1 C- h6 H. i8 ~7 g, W: c2 }2 O8 @! z) eto update-credibility-ijl 5 x. h) s5 y! d ~2 |+ ]
8 E; ^' y0 _$ }# T;;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 \$ A+ o# |( H/ }- Q5 @) _/ f
let l 0) n' d2 A* A( u+ g e- }7 |7 Y
while[ l < people ]
8 H( \; U8 }- L6 E/ p;;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7 s, f0 F4 o3 X% b& I0 K h
[
: x$ Z5 `+ V6 B Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% f. v! m3 I5 d- A* W: K, _: Yif (trade-record-one-j-l-len > 3)
# u) F" a& m" D, z5 v( 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
B8 G) D" D% z" mlet i 34 ]$ g2 j7 V- b" @! V; ^
let sum-time 0
$ b/ i. ^: X6 T" H7 \6 _while[i < trade-record-one-len]4 o' B% i& a5 k1 L$ \1 J
[: L6 d `. X- o+ V( t+ F0 B! M; q2 Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% L/ Q3 c$ s2 `6 L9 e% Hset i
9 S6 G/ ~9 r( m$ P8 w/ p( i + 1)$ i3 F+ B+ l& K) e
]
0 Z, z9 b9 u( R* Wlet credibility-i-j-l 0" a b. M4 U7 q5 ]8 H9 m
;;i评价(j对jl的评价)
+ Y2 B7 K6 v7 t1 G8 Clet j 3
. K2 m, `+ E5 d. D9 Y4 ^7 Elet k 4% j/ Z6 p5 t n9 b5 L& Z" N. q
while[j < trade-record-one-len]0 o3 e( C# [! r
[: K# F# ]) B6 d5 s
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) L: z. }7 A E! Z6 _ F# r
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)
. x" G' p3 _+ w s' A+ z! B" dset j
( k1 c: q4 e, a* p, t% F( j + 1)
$ ~% J& V/ C' c; S' u, ^]
; B' W. E0 q$ }9 K3 i: [6 Uset [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 ))
! W8 L, o& |8 N: ~- E& Y& W7 w" ]. H3 {" ~8 B
- j4 o" r+ k4 T- }+ G8 f$ i/ n
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 g0 @" a" d$ B' ]3 m; J. F
;;及时更新i对l的评价质量的评价2 z3 L0 K* D% J0 @/ ^" @
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 f+ D. v8 g8 \4 c+ N/ iset l (l + 1): J a( k. M/ i6 z- e" s
]
. ` u. L& Q. X: h4 Nend3 d- ?7 z2 F1 R) o- T. Z- O
5 h" _2 {7 V# x9 D% K" S! d
to update-credibility-list
# U' F+ M' J" y3 Vlet i 0
: C: T. G% L/ y& f- T' v1 Uwhile[i < people]0 w* z. D0 y7 @
[+ t9 u1 d! C! q( M" a$ x
let j 0
* l3 {4 b) m" j; qlet note 0
0 |% D! Q; c/ _& U4 Wlet k 0
5 B# B$ V" d1 a;;计作出过评价的邻居节点的数目) s5 ^1 ]! I# ~. U% u$ B% a
while[j < people]
9 k. L) K# s& S- ]& Z[
2 w4 T4 y2 W. bif (item j( [credibility] of turtle (i + 1)) != -1)9 ]$ A; v. g! _2 J! ]7 {, Q1 b; E- b' C
;;判断是否给本turtle的评价质量做出过评价的节点 b3 \9 p+ P. c
[set note (note + item j ([credibility]of turtle (i + 1)))% J8 O: _0 w6 u% Z R. B9 I
;;*(exp (-(people - 2)))/(people - 2))]
& U& P- ?) R* V" A7 e8 `set k (k + 1)
4 C7 N4 y. r& k, D; q8 o]+ q! K' U/ J5 Y" T; X0 _
set j (j + 1)( D6 u& f! l7 j5 \/ L4 z; \& N1 w
]; f4 ]) ^: d; n- }( b; Z$ {
set note (note *(exp (- (1 / k)))/ k)
: U, q. I# e9 g, Q Sset credibility-list (replace-item i credibility-list note)! X& `* Q3 w$ P2 D4 h, V$ Y+ E2 k
set i (i + 1)% \( O7 l; k0 f- Q$ l
]* a" {& r- v( P4 D: c
end3 d- T) F, ]1 o6 o0 e" V$ Q
# M, r2 C8 u" T& Y
to update-global-reputation-list0 ]. i. [# u: I) ~; M
let j 0. N q7 h; [' F9 o' I! K$ X5 S
while[j < people]* g$ E2 r4 ?9 y
[
x0 j, h% U S% S! v' Vlet new 0
% C8 ~- l; I: G* a# D0 G, V: \;;暂存新的一个全局声誉
% P7 i) _; f# dlet i 0
! q9 r3 E/ f) _; q5 H2 u9 d) olet sum-money 01 f' f. U9 T! e8 t
let credibility-money 0
$ }3 q8 `7 U$ ]3 l! X4 z! Nwhile [i < people]
9 x# T" t) `2 S[, m% ^7 m5 N0 I4 D9 ]% c: F! s
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% d5 C5 Q. l/ T. T9 Y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' Q; H8 A' Y* s1 \! ]9 S8 {
set i (i + 1)& r/ _! s* q7 w3 Z
]
, ~7 j( L' I- J; J# [! ylet k 04 t# h' W# y1 C: S8 n, q
let new1 01 q: m8 f- ~9 K4 o
while [k < people]9 {% Y0 N9 ?" I7 I+ c _" ~: h2 X+ J' y
[
1 ?, V! t) i5 v9 c- f+ Oset 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)
+ y+ r. V; f6 b& d @. Oset k (k + 1)
% b a, D- A1 Z, Q! y8 p) Z]+ J2 A9 G4 g+ K
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) # P+ u$ d5 d, O% x# a
set global-reputation-list (replace-item j global-reputation-list new)/ q8 a* f) ]& `7 _, V
set j (j + 1); ~) a4 S8 W8 M2 n9 b6 q
]# E1 r3 w, ^% Q( [$ r7 R
end
6 p. c+ _5 i; Y4 \7 q- g" A+ D; k) f& x2 B8 V5 G5 J1 G/ p. b
: \! |4 |( l2 Q* v1 ^7 Q% W6 z
. [4 |! O' w( Dto get-color7 U! A/ q* g9 z( E: {0 v9 a- m/ T, a
) U$ U* r* F1 d9 N- o0 q/ R
set color blue" b; \4 ~! U# p9 J% H
end
6 _# j6 J, [, K/ {2 a c
1 ^; U6 Z# v0 \3 R: O' ~) U, Kto poll-class
/ b6 z9 Q( n# d, F- jend
1 r/ T0 o2 g; {$ C4 S( D R3 r+ W; h; d8 K
to setup-plot1/ I/ ?. ~ W" _ f! @: ~
2 ? H# @6 t! ^& r) Aset-current-plot "Trends-of-Local-reputation"
2 W* \. {$ c; j3 e4 q1 @& [! e2 m. p0 C; ?7 K9 P4 j( m8 y; o
set-plot-x-range 0 xmax
/ {+ \7 T/ {( E9 K/ b1 }7 @) N; n5 y C! T+ N1 K3 i. i
set-plot-y-range 0.0 ymax& O/ L3 J7 X1 ~3 }, D4 Q
end1 G# m: r8 D+ T+ w2 T4 j8 S
' v4 z; m) K: X2 I6 C4 Z3 R- J6 r
to setup-plot2
9 }: F& c: S m
( o& | @) h. tset-current-plot "Trends-of-global-reputation"
6 \" D& `' X( I/ {) |8 U
$ X4 Q( d; W/ n cset-plot-x-range 0 xmax
& d4 P/ ~3 E; a4 O" w) d4 U: ]$ ^ y, V+ f* Q9 f i4 }
set-plot-y-range 0.0 ymax" r% Y$ ]* {7 C$ K
end2 N, I ?" B5 N3 @* Y+ V& D, g
5 ?' M R. x7 x% Eto setup-plot3
# K8 @+ S* U7 r6 j2 j
6 W7 h+ }% }7 @4 I. G5 F1 O d7 q6 zset-current-plot "Trends-of-credibility"% X- [+ a* R9 K* G
( F0 j1 a1 _' _& n: I; [7 |set-plot-x-range 0 xmax
. X7 v* z/ a0 G7 g* T& U4 ^, l$ L9 J0 {
set-plot-y-range 0.0 ymax' t: V/ U a0 s. F( n$ g' o
end
% y) H$ {( g, Y9 q/ h
3 J. Y3 [5 Q8 W/ l7 cto do-plots+ o5 E) k5 \. |/ y" J# x& Y( k& G
set-current-plot "Trends-of-Local-reputation"
" o$ d( b, r( l$ Uset-current-plot-pen "Honest service"- Z# q" G9 _0 W3 o: h" z! g
end) D8 e% N; A4 ~1 s+ x
9 F& \8 l9 Q3 \2 P0 m& K
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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