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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
9 x' D3 J0 s$ uglobals[
* F* z/ m+ R+ {8 B& w- sxmax
" }+ A, F; x+ V. u, Kymax
0 s* [! ]; q) t5 x% T$ v( oglobal-reputation-list/ T+ |" D$ N# h! Y+ O" m) Z9 p
/ v1 {+ \1 l5 @2 d: P& S# h& F" s; m;;每一个turtle的全局声誉都存在此LIST中2 g& @( |8 q- E( Z- p6 O, t5 J( r
credibility-list/ K8 k# p( ^$ v! P5 A8 S0 k4 k
;;每一个turtle的评价可信度: d* T9 U9 @1 y1 E) y9 b _
honest-service
% C) |6 V% X* l- j; b r* ounhonest-service
) `, m" ?6 }+ f: Foscillation! c! F* S* l4 G* Z
rand-dynamic
1 ^* M6 w2 L0 Y+ k( m, q2 }]
' R; D! |8 E5 d! l8 Z0 I* h: y+ w/ w) f& P+ M* u' [
turtles-own[+ x: U8 G% J7 o3 F2 M1 U" ]
trade-record-all) J! I- f; }/ W$ ^+ G+ T7 Q
;;a list of lists,由trade-record-one组成
( H( @$ R& X; y3 q/ \trade-record-one
) F- Y6 G& O: ~8 ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录9 k' C" i9 k0 D
- z! w' @2 L- 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]]
/ n0 ` C0 t. T/ W$ E6 N7 ]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]
; y0 h+ i0 r. Y& jcredibility-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
& }8 [/ ?' a; G/ pneighbor-total& N0 ^% a" Q! l: U! @
;;记录该turtle的邻居节点的数目
* X2 W/ `, d- i7 T0 Etrade-time
# V! M8 B# X- ^' l;;当前发生交易的turtle的交易时间
/ d' G7 U) A+ A7 ?# fappraise-give2 Z$ C+ x) Y: v V1 L2 B% \
;;当前发生交易时给出的评价
2 E" m: C: Q8 p( G" F* B( u7 H( }appraise-receive
( e$ q' d% @* b' r# @* Q3 N;;当前发生交易时收到的评价
+ T+ ^% C8 Q: ^2 Jappraise-time
, K, h Q% l* ^, M5 v6 W;;当前发生交易时的评价时间
' d" T; d4 F/ q8 k* @local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 X& G/ A4 R0 b! ]' dtrade-times-total
5 m5 ~1 E# Z/ O2 }& g9 I% x;;与当前turtle的交易总次数- u$ ~( k& p( Q
trade-money-total1 Q- s' z# W r
;;与当前turtle的交易总金额* Q G4 i2 Y I
local-reputation# D3 _2 y; M* W8 x$ h3 {% L: t" e
global-reputation5 m' l( G6 e1 x0 Z
credibility- E# S B" t5 Z$ h* g; B
;;评价可信度,每次交易后都需要更新
& K* |% a* _, D# Lcredibility-all" l9 C" h6 E) f, W3 u p8 [
;;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
+ B$ w0 b& g/ T' |. d
) a) v) ~. A" x6 \8 W;;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" }& W1 h: [+ S0 r4 r
credibility-one
: M$ ]6 [( }3 b# V M! G/ };;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
$ O* e H0 }* {8 s8 F& _% uglobal-proportion* |0 l& ^( j6 }: q7 {
customer
2 m2 z: r7 V1 ^- G# i3 j8 \' Pcustomer-no, ?+ ^( }1 X( i) v. \" I
trust-ok5 p) v x8 ` p+ N* i
trade-record-one-len;;trade-record-one的长度
b8 q, V/ U' l6 w/ a]
9 m, P) c3 w x4 E" C
T! c. [! U/ v1 }+ x# U3 d;;setup procedure& b9 A4 C( ^& a& g4 e
8 s+ I! n5 l. d# d( R
to setup
* K; L$ }- h2 s1 O6 I {5 m, _! K9 t; k% |: o v+ ]
ca
* p ]4 C& b9 P& _! B
6 H" @! d$ F' S/ ]7 E! g* a4 Pinitialize-settings; n+ R3 s) T% j8 D/ ~' K7 F* v
0 w7 H7 D% n9 J2 w4 p9 |6 e
crt people [setup-turtles]/ a8 W1 n- z' q8 q8 G
^2 s2 n/ N. {
reset-timer) @- f' i+ y1 b; X \4 y# H- g% ]
! {% I& y3 T" l1 w2 h5 a$ ]9 apoll-class1 a: z! R" @3 t1 n4 c6 O9 d
+ J! w- A, N6 wsetup-plots$ ?0 ^: M% q8 R `
% k6 ~1 _6 l( C
do-plots
! `' X0 u; b5 Y" ~end
. O% n2 o& ?0 w8 Q! C& T1 b* D* X$ _% @/ E) R; X, [7 x
to initialize-settings
9 Z% [4 c3 g5 b+ R% l& ^
, \) e' ^4 e( t# Pset global-reputation-list []
& ^6 h- q- X+ k( I; W( @, V! u7 Z0 |: w! D+ {7 b2 k. Q
set credibility-list n-values people [0.5]
) \: z$ A: |+ ?/ c+ M+ c4 h3 C1 ^
l4 ^% \; o( Vset honest-service 00 q4 c: ^& c1 m
& `$ ~: Q% ~( U
set unhonest-service 00 s6 m& L# m2 B/ A! ]3 D- r
7 }) [! a4 F9 n- u4 o+ \
set oscillation 0
, k: X4 Q" Y _. F9 i9 _ P* [* O% R: y; \( w; d- Y; r$ X
set rand-dynamic 0
; q& ?9 v0 W. s3 \, Nend* P9 V" v8 G! B
3 I) n. f% c7 A, R5 q( \
to setup-turtles
! U: o J z/ x/ T4 m2 i2 j4 D2 Uset shape "person"4 e0 _$ [+ o, K* x
setxy random-xcor random-ycor0 K3 S' Y; S& S" ^8 d
set trade-record-one []
% u8 |2 Z4 ^" F5 `. L! R
8 B, r1 ?8 N+ z1 kset trade-record-all n-values people [(list (? + 1) 0 0)] . L0 {4 W% M8 g+ o
2 U6 l) @7 ^9 \9 P) Bset trade-record-current []
5 e( k0 ]; p% b* J1 ]7 ]) hset credibility-receive []! |( i: f) @) e0 ]
set local-reputation 0.5
5 C1 H: i" x6 G6 o2 j& J( U! \set neighbor-total 0
) h6 o2 X5 K5 i' [% B7 J4 E$ lset trade-times-total 0# w5 r+ Q! |; B @6 c% d/ ^
set trade-money-total 0
8 g. \- t# U( Q* q/ N8 ~set customer nobody* u# l/ I9 c) }! z7 ^, O( K6 d& l
set credibility-all n-values people [creat-credibility]
9 B+ b r; O3 c3 S- O8 p* t" Q; Zset credibility n-values people [-1]* o2 ?4 m& m. S# i! J. P
get-color0 ~: u; Q% u/ l8 z" d
" U5 @3 E$ ?6 E1 s( e4 Eend
* Y# H' c! z+ F3 a1 G. u1 V' F7 R0 }2 O- \
to-report creat-credibility& n! ^1 F9 ?3 \+ h: q
report n-values people [0.5]; {6 O' c- o6 T' M+ |
end
]3 s6 V9 U3 B* e) a' g% F) ]% l1 {
to setup-plots6 K6 m; w$ p `4 H* A& E2 H5 M
8 h7 n& |3 y( N* ]8 }# [* [set xmax 30, Y) A9 w* N2 H/ u, ]
. a* h: F+ c0 r- g) mset ymax 1.0, B! R1 q' U) y3 v+ E
; R, b6 `* Q9 k8 A$ Y- o! j$ |* n4 Jclear-all-plots
0 o3 @2 ^4 c5 z! j8 `% A' n: q: z' h9 c6 e6 ?/ P
setup-plot1
) b, s& t( A" k, b9 C6 L( i% |6 k# o4 i, p9 k; y) \
setup-plot2
, m0 q! d9 f4 d; [
1 ~) H% _- G/ {- n( {- z1 qsetup-plot3
# q5 p4 Y" B0 v1 N2 T5 }% [1 R) Q- \end" ~1 E/ G) i! j; F8 y/ u
3 @5 \$ e7 a- n4 w;;run time procedures. e8 q9 T: V2 _+ |8 m9 P
: Q. w/ F. R% E$ gto go
* I: F- t& `2 `, F5 e; ~; _* X! W. Y& _. K8 J3 W
ask turtles [do-business]% ~) p6 D( p; Z0 z, y% t- S
end) q+ c) E/ ? {
: L: p# s4 o: {( E5 g: Rto do-business
- Y/ z8 F2 h8 A* M/ w* |; U& H& c) h5 r1 ?
9 i; U' `! n9 K' V& }6 F9 l# i
rt random 3605 d1 P: N. s f4 T: q
7 u9 K+ D# o7 |5 Jfd 1
: B9 m0 {4 B3 x ?. ~, k/ U2 ?0 _: c
3 `; w( {/ {. a' b' _ifelse(other turtles-here != nobody)[
) @. P2 j/ ^) O2 i2 }
" f" G8 v3 D( O/ o& _# }" Qset customer one-of other turtles-here
- l; n6 N$ ]& V+ a/ k( M6 y+ b
- V; z' f' g$ m1 c;; set [customer] of customer myself. e; k, O ]$ |5 Z
& c" n. n4 Y7 k( _ r, C3 d* S/ nset [trade-record-one] of self item (([who] of customer) - 1)
* {: S0 E$ V3 R6 S[trade-record-all]of self
6 ]: u) T/ y5 O& ?. o;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 n9 \( H. C, q0 P! Q h
4 Q: n0 W! N% [4 I5 b- A' Vset [trade-record-one] of customer item (([who] of self) - 1)
7 ~0 A, B7 T, O' N5 }8 }) h2 W[trade-record-all]of customer
7 ~/ t4 ?7 g! ]* y" M
" d3 t0 n' y/ [2 ?% q3 {; U' Hset [trade-record-one-len] of self length [trade-record-one] of self
; V0 J$ v: f5 I/ r/ ]
; {7 e- X r# F- r7 R8 I" Xset trade-record-current( list (timer) (random money-upper-limit))8 _8 q; D4 M" B& y' i1 D/ [: B
% l3 |4 y, l6 b8 j7 A, q1 u2 _
ask self [do-trust]) Q* E3 X, ^6 W2 w& P
;;先求i对j的信任度
8 _, o% |# M4 b% [4 S" v
% b# w0 I* c5 i; p4 Gif ([trust-ok] of self)
: \" e) E. _) N2 Z: {;;根据i对j的信任度来决定是否与j进行交易[" c" i- }& A+ I5 C
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
. a5 M) ]* z6 f D- M0 f8 N0 e6 E( G4 `5 b
[, G3 ?) r' T9 E; `/ K; [* p% m8 Q
O0 {. f" B3 ~! a6 q" ~
do-trade
1 I- [8 C& y3 F1 E' O) D% p
- g c/ v8 Z+ Q& Hupdate-credibility-ijl& q+ k. m& p5 z+ A4 X- i4 K
) e" [) Q8 z' S6 c
update-credibility-list
2 F0 B1 }3 Q1 ^; G3 y1 k! V
P7 e# K! h( a) Q$ s# f/ S8 u2 Q0 }) o8 b8 T. @: H+ Q
update-global-reputation-list6 u E) A* {1 I+ M- [
% D9 P `7 x& e6 Z" Tpoll-class5 y' q5 g* I4 _( k1 ~. ]. T
; ?4 ~+ ?2 L( x; M Iget-color' v a0 S3 r% p9 S! s
# L$ z2 Z; i) `' l- S- D7 A7 W- C
]]
) a7 v/ x8 t) f& Z
' S, t& g* ?2 k2 ~;;如果所得的信任度满足条件,则进行交易
& b9 z/ Z" r9 c: d j& U( E0 q6 |7 N- Q
[
! ^2 ?+ A3 r& R$ ^3 Q" d' A A1 B+ T! D) S
rt random 360* [( l5 O- H {; W
" C4 H" p* }. C% t lfd 1' z6 B+ b, c' G
9 m& O* g7 n) m; [) W3 Q]
% E: q/ W- S9 X% L+ A' {' ^: x% l0 n9 h1 s' }6 I! y
end( x) H3 |& }7 Y& U6 I+ @/ x2 @
6 V& Z0 `8 ^( e8 t: ?7 s
to do-trust ; ]# q6 |; S8 y$ }
set trust-ok False
. `" {8 S% O; ^& o. A( P$ l; k" C5 q3 V. M) {
; c/ a& W7 W% D% ]8 p3 Clet max-trade-times 0: `, m3 L5 e! N$ I; a) z4 n2 b s( E
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 \/ R7 _3 w/ a* J4 D. g- R# W
let max-trade-money 07 x1 a; Q+ f1 q$ H" K( s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 l. r; F! ^/ g" O% ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 D |! P4 I& M
. M" y$ q% \ ` H9 ]: F& _
' [9 d( n2 l1 Mget-global-proportion/ g' [0 m4 A0 r- K+ O/ A
let trust-value
8 m" u6 W9 d2 q1 U Ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)/ z6 d) _' W, J$ U2 d+ E
if(trust-value > trade-trust-value)0 _$ ^1 J; L$ h! S7 m2 S) i
[set trust-ok true]
" x' E M; i& W$ j7 V' H, Z# k1 Send. ?9 l$ i9 c$ A. w+ F8 ~
# Z1 }( F4 D( ~( kto get-global-proportion
( X! R# X, t; V+ v* w8 i# Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- d- ^* ^& c0 n2 ~0 K' h, E
[set global-proportion 0]
$ I; ?' I/ S" m, S: J" A4 J# h4 i[let i 0
! |% x0 Y: S* L: H( s) p. B$ s# ylet sum-money 0
1 X' u# e! T0 G/ G/ {( I7 |while[ i < people]
! A& D9 n( Q+ Z7 ]) q[ u3 p" _* S! e& g
if( length (item i
0 c/ F5 t: U Z" y# s[trade-record-all] of customer) > 3 )3 z' ~/ B% b: {1 J/ h. l) H
[
2 }7 @$ p( e, N: ]1 d9 w/ gset sum-money (sum-money + item 2(item i [trade-record-all] of myself))" Y. Z4 ]# T2 F f# M, E
]
0 {& R- n, |% ~: ^1 ^! O+ m6 Q]# v) _" D& d# k8 C& s
let j 00 W6 C4 [5 R- A. T; u$ L' M& }
let note 0
; Y1 \1 A& |0 f2 ^8 W3 @while[ j < people]
8 s6 g6 D' J) k0 p[
6 C7 e) X5 p Z' H. f6 {if( length (item i
) ~, a# c6 Z2 u+ \" l; o( @! q[trade-record-all] of customer) > 3 )
$ ?+ D* n+ }4 O. v3 m[9 A! H: _; Y }& ^$ ]# A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 O7 J: H+ g$ M% g# M9 J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], S4 U& j6 q. ?4 e
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 h( f/ G+ l" D8 j]7 t) O6 X2 S$ ~9 ]9 u" S
]
7 h' g. } T0 [ F8 R1 ^* z) Wset global-proportion note
- |" T2 ^# B# b2 B0 u. i' V/ L, @4 O: G]# n% ~" {9 |+ p
end S' j/ x- \/ [/ H1 f5 i+ I
0 l" E Y2 |' ?, mto do-trade# b: K8 [/ X* @5 R6 t: @4 r2 G
;;这个过程实际上是给双方作出评价的过程/ W" W; b0 {! @3 S, ^' `& N$ [$ M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. B; U, V/ @9 F, W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) y# t! c8 x3 o/ Z" wset trade-record-current lput(timer) trade-record-current3 N( R. }% n9 ^5 j7 U
;;评价时间
# J7 j7 ]0 }' q/ S; Task myself [
& I9 m! _, l6 G2 ?/ G& s% Fupdate-local-reputation
. b4 X3 S z6 E( p( dset trade-record-current lput([local-reputation] of myself) trade-record-current Y: O! u/ g! T* c% ^, ~6 S
]9 B) V0 F- Z( J7 T" H
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- J6 k) Q8 `* a% y' B2 m;;将此次交易的记录加入到trade-record-one中
n: E4 I7 _. w1 G: k( c0 |set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ ~' ?% h9 g2 C: q/ V! Alet note (item 2 trade-record-current )
7 r; m" k& ^0 l& K' R$ _' E4 Jset trade-record-current" s0 N$ Q* }+ e' B0 R4 q b- J+ n
(replace-item 2 trade-record-current (item 3 trade-record-current))5 ~. r7 c( Q0 G V& D0 D
set trade-record-current7 M9 ]- O1 \7 {; u% m
(replace-item 3 trade-record-current note)2 n4 V9 i0 t8 n+ @8 I
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z+ ~1 m) d3 }9 w1 q) h% _ask customer [
1 b- L2 k" c2 r! e: @ q5 u8 _update-local-reputation
& L2 w) V& T# n' k7 a" ^' mset trade-record-current, ?' c( T; V( a) w8 H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) }; L V2 m2 H# @, Q3 _$ N
]
9 T. x5 o3 u. W6 L7 } U4 N& [
. C1 N0 v" c b8 g
+ X( _* i0 _. Xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 c. O: W, g' u: D5 R8 a: y7 R' N
& w( d+ y6 V8 ?1 j5 Q Yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) N. {3 ?; \& i1 |; { Q1 M
;;将此次交易的记录加入到customer的trade-record-all中1 M. J, I6 [# ^
end
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to update-local-reputation) d& @% c( j% u6 v' `: `$ h
set [trade-record-one-len] of myself length [trade-record-one] of myself
* d- S7 a4 t: U* l( N) H7 J
% f8 I4 f* Z6 B, \( Y
( s9 D) V1 ?3 ^- B;;if [trade-record-one-len] of myself > 3 + |6 b8 ]4 f+ H! M! n* j
update-neighbor-total
4 {; y: {+ r, J;;更新邻居节点的数目,在此进行
4 L0 C: Y* x! U5 Zlet i 3
" u' \+ Z4 u* a5 tlet sum-time 0: E6 s4 [2 E% V9 \4 Y0 p3 }
while[i < [trade-record-one-len] of myself]
" c4 G2 N! G7 C, D( L[
4 n0 y2 a3 L- o* e/ p- R# ^set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). n5 s# t" {* P
set i
. U7 R1 ^% x* M* |: J4 `: }( i + 1)
5 j' P1 {5 R5 w/ f7 []" `8 \# ^0 n. o4 }! i
let j 3
1 z0 _+ m! c: {0 w: b6 Z. V- olet sum-money 0 N$ j) y, D2 J: i, z: @
while[j < [trade-record-one-len] of myself]: J6 e: ^: Y1 O/ _
[
; {* V1 t4 I- u4 Sset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time); M7 m/ s# S& q8 m. q
set j5 m$ J6 ]/ L" t" ~( x
( j + 1)5 j' S C1 V* X6 K. y3 [& d
]
2 K- B# C4 G2 C% blet k 3- ^- T4 R+ M, I+ o+ p
let power 0
0 u, H n' W0 F$ {. e$ r" U* U; Jlet local 0
( Y/ r3 {5 c s% G, s6 u. G& i3 gwhile [k <[trade-record-one-len] of myself]
# D F5 l$ j! @1 _' b) V$ u* ?0 T[
8 r* C% N2 S3 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) 0 W* Q4 w9 ^5 O$ P+ Z
set k (k + 1)9 j" m4 ^8 o; w. I* u9 V4 k/ j
]
4 M6 L2 l, E$ V- f9 Fset [local-reputation] of myself (local)
0 v) U) ?* X6 a" X% X3 {3 uend
# K( D( p s u7 D
8 P# d& e3 i4 c1 h" Pto update-neighbor-total
3 V5 L- [5 B9 A& ? h/ K7 B) K( m8 X. i
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 [; U c( S% h* S9 b4 [0 F: {7 x
: s2 O/ t; F1 ^9 g3 \: H1 l
+ F& _# ~/ r% c( H5 Tend
: o9 h) h" k- h. [3 y$ ^ s: T
9 V5 `2 A$ ~$ T+ Vto update-credibility-ijl ) R0 ^. `+ ?! u$ S& v
~4 u$ R) X+ s) D
;;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。+ `9 K2 W: T+ p& \9 M
let l 0
$ Y% n7 h& ?$ l$ ^) V& s1 `while[ l < people ] @0 P' k* f* w7 I2 l1 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) e( @% t* J* T9 Y- Q, V. h- K. Q
[
) T8 d4 y! F- _- tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" T8 n; m0 T0 Hif (trade-record-one-j-l-len > 3)( v7 K% n# a2 Y0 e7 |8 [
[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 @7 O% D" V- R* t6 ?
let i 3
+ s [6 b/ I7 O7 E5 llet sum-time 0
% Q* k8 A1 G: Mwhile[i < trade-record-one-len]
; O; K( G$ m" T2 }* v, {0 H[% x3 a* q- T$ D$ V
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )3 i1 b# X! m" k1 @: E6 @! J
set i
$ e7 e: }! ~3 f4 m5 \- r- O; |( i + 1)
. o; K7 P: j4 I1 W]- [7 A- k% W; Z" R: f) b
let credibility-i-j-l 0
3 R7 C" `. j3 B5 C;;i评价(j对jl的评价)
; g( j2 Q; ?9 ulet j 3
# x1 b# ^: ^& R5 K% h" O% hlet k 4* Y( z4 n. j2 i6 b% X y/ V5 |
while[j < trade-record-one-len] g$ I8 {5 o$ T9 T
[ i5 q/ g* i5 s/ |3 x1 ^
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
% X: s: ^4 K8 t, o( B- h. a% [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 _$ x7 o; o/ u. l- o& S, m0 y
set j
7 P1 j, ?% C& s7 t( j + 1)" `" v8 }- ] n' d: K8 B9 {2 H) T
]( D9 N# {* F, o; A' K/ Q6 V9 c
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 ))
9 E. h! G/ Z& X# b6 t" c9 T6 a$ M" G# [( i, o1 U% c
& c3 _% X: j9 ]) ?- E. `let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))8 `+ Z, L& q8 j3 F& S* g
;;及时更新i对l的评价质量的评价7 E& F' _& Q6 k
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 D/ b: F! g* N4 R$ A% |set l (l + 1)
4 s+ e9 e, L, C7 @]
, F' Z; m' j. @. k' g6 I* @end* K* G8 \* j; f8 a
& ]0 o" {4 y; t6 ]; }9 b7 {to update-credibility-list
9 I+ }8 a1 C/ K% ?let i 09 j, Z0 N5 w+ y1 b7 {
while[i < people]
, x; E& r- W& a# v/ x+ w' P9 ?+ N[: M1 ]2 P/ @% m' Q- _
let j 0
6 {( m0 s5 q2 U, `% ilet note 0
' B+ P. @* o! A1 p$ Glet k 0
q9 C1 \, S4 @;;计作出过评价的邻居节点的数目
% P' ]6 N' h, P, Jwhile[j < people]
+ r4 A4 v2 i6 |. a[
0 B4 }- r* a5 V9 F9 c( vif (item j( [credibility] of turtle (i + 1)) != -1)! ]; r, m* ]& f6 n- R* R1 N
;;判断是否给本turtle的评价质量做出过评价的节点3 `' [; m$ r* t1 D
[set note (note + item j ([credibility]of turtle (i + 1))): M# {; Z7 u, V, @
;;*(exp (-(people - 2)))/(people - 2))]
5 Y3 p% S: R2 a3 dset k (k + 1)' W/ G8 x- @6 @7 r
]
3 b6 a, B% A$ n& g: [set j (j + 1)/ v H+ o, a$ r' I6 t
]
1 V. [8 w, s' Rset note (note *(exp (- (1 / k)))/ k)! x& o0 [' L( c* S$ C- S0 w
set credibility-list (replace-item i credibility-list note)/ ]* X+ z, y0 p3 ]4 q* q
set i (i + 1), d8 E. `0 ]8 g
]2 ]* X: S8 W! {; C0 O
end
7 }1 E, h3 L5 z# `0 c5 P* w9 p0 ~7 s. Y; R
to update-global-reputation-list
1 O& S' x* B$ ^: D0 Hlet j 0
+ ]' V) g2 H. C8 h0 k/ _while[j < people]5 F# ^+ I. m$ w m7 U2 [: a) T
[
3 v% w4 U" R: j, h8 Q+ H5 w5 Elet new 06 Q* F: y8 B- u2 f- q9 o, j! T: a
;;暂存新的一个全局声誉3 H. c3 ]6 q f3 z* r! W% }( R r
let i 0
" z: k$ s. j5 I6 U' I! Blet sum-money 0
; s5 K! ^9 o/ P- Q; x. Plet credibility-money 0* T; ^5 f$ ]: c: e5 i
while [i < people]( u3 h4 e+ U% G: F/ r
[ v/ ?- k3 Z" \1 ` v/ T) L
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, E( |& J1 l$ V/ ?set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 ~- t. G T5 q2 N
set i (i + 1)
2 Q) ~ |# P) L, y3 D# K% Q]0 \ ?" Y- V4 D; _5 M# t5 h
let k 03 R8 \; @# d- c
let new1 0, x3 ^3 A3 p: P- v0 @
while [k < people]5 T/ m& G' h& _
[
% y6 ]4 B9 v6 h" Lset 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)( P2 m/ Y7 j5 G' H
set k (k + 1)0 {, Y6 h( y& \* h; C i- n
]
8 Z0 w% h' l! I0 ]set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 ]4 ~7 ?; E6 W) c6 h! ]' h- Qset global-reputation-list (replace-item j global-reputation-list new)+ Q. ?& ~* I5 _, x
set j (j + 1)) T' e) Z% T7 w k, b
]
2 Y$ R2 j5 X6 f4 Mend6 b, x$ r( B' v. K
3 M* @& l3 s, C* h9 d9 B- Q
+ m* y; V$ b; A; j- q2 D: A+ A. `* {5 I, _
to get-color
4 J" M5 D1 g2 ~/ A7 G
$ X0 \2 q9 u- ~: wset color blue
( {) e9 E5 h! w3 B; |end
2 O ~' |4 W4 V7 r% F) ?8 _. s
! r; }! L' Q* z6 t) m6 U7 k$ [: Dto poll-class* W% g, `$ K9 H0 _- d J
end
7 G; p5 @- t7 R- X& y
/ g- m& C- v( p! I: |' tto setup-plot1
8 o" u! ]. F9 u8 O, ^' f" m" S2 x) R* o4 e0 f
set-current-plot "Trends-of-Local-reputation"9 [4 q0 g7 j6 E( R7 y
2 Y7 w8 C% J" w* ^3 ]
set-plot-x-range 0 xmax
3 [6 z% d2 Z% v, k2 d9 t1 S& _, `. c! u
set-plot-y-range 0.0 ymax
7 z. X9 d0 i: H5 A! D9 @end# p- \8 c6 g5 \5 g+ k
+ r( b1 ~: W6 R+ D3 L, D0 Q
to setup-plot2% v# m! N2 {* S" x! ^4 I1 j: Z
" ~4 q) r" ^5 c5 Sset-current-plot "Trends-of-global-reputation"
8 g, C" [. _7 y5 Y8 ]5 i$ p8 b, V2 T$ O0 I! |8 B7 `/ c0 m
set-plot-x-range 0 xmax
2 d" f d g7 n9 |) {& E1 F
1 L& P, u& p: E0 y) \; sset-plot-y-range 0.0 ymax0 F; _. g- {$ w/ Q) @$ }8 X
end
+ d. m6 v$ S+ i) l$ x5 z2 u- r
to setup-plot3
$ e! ~: _9 S- w' d# w! ^$ C
/ F8 n$ Q y- g2 r5 b8 w7 {set-current-plot "Trends-of-credibility"! L, V6 v# a* p& g
7 T+ V3 { M7 X& a! o0 K+ @" K! S# v
set-plot-x-range 0 xmax5 E$ L% Y& |0 G- b. E
9 x0 a& k6 f. k3 I' `% L
set-plot-y-range 0.0 ymax
0 C9 m* f9 n. k$ K: a7 |end
0 i, D0 c4 a* e. N6 o# z, z, [1 b9 G9 N( T7 Q1 ]# \
to do-plots
+ E7 P% N0 f/ wset-current-plot "Trends-of-Local-reputation"
$ e6 a v: t) a6 R& g0 Qset-current-plot-pen "Honest service"
1 T. v) b0 _! [! e! v# |6 zend
9 ^. i5 W# M: C0 |+ M0 V# D+ ^9 t
9 ~0 D" r# q8 R- N3 v( b; V[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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