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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) _! b) [0 t4 m) C, _& u1 g4 a
globals[' y7 T& @* y1 S8 L& G1 n, E) e! L
xmax
) [% e9 ?- a* V5 s9 Xymax; I+ n/ }) g2 e* g8 ?1 _
global-reputation-list/ C+ J' G% k& ~7 t0 G
8 i1 Q' X) M6 d3 U( G% y4 ];;每一个turtle的全局声誉都存在此LIST中5 a! J% ^1 p/ A2 O6 B
credibility-list0 [! `2 n* K, a, L+ k0 c* R6 N4 u, |9 N
;;每一个turtle的评价可信度
* O2 ~( d' j3 |; q, Zhonest-service
3 M# @3 U, V0 y" x3 l$ J- Qunhonest-service
/ @% Y! j. h- yoscillation
/ h! P: _7 C/ g/ [rand-dynamic
$ w* Y: K2 b7 E {9 p' Y0 i]' \+ r: G: m! Z1 v
! }* U4 y8 o1 K8 b, B, h& b2 Q
turtles-own[0 `$ W, t- Y7 W0 l- Q( {4 W; Y
trade-record-all1 n4 S. j0 a- Y' n8 _9 _0 \7 \" {
;;a list of lists,由trade-record-one组成
+ R2 F' @* K% M) Ntrade-record-one
' p! [5 X- G0 Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
6 z6 J' m% T$ J: b* \0 k4 b4 k/ P( c+ q6 x
;;[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]]* m* D, F% T# J1 J6 ]7 e9 V
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]( @2 \+ Z \$ a* P/ B& n* z+ 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list8 F2 S# ^4 i0 l, ]2 C- Y# v( ]5 N
neighbor-total# s# Y* V& R3 |* ?7 Q2 f4 u
;;记录该turtle的邻居节点的数目% ^; e% E- v( D- b# x
trade-time9 }; z5 R8 Z( ?5 ?
;;当前发生交易的turtle的交易时间3 ~. R4 T; H, ?5 W! B L
appraise-give
" u4 l9 h+ k9 p) o# H;;当前发生交易时给出的评价
; X. j0 q0 X" M+ j3 ?2 j* Mappraise-receive. j8 r A9 M3 R
;;当前发生交易时收到的评价
. t: L( l6 G$ H' O) L0 s Cappraise-time9 S" E8 C/ m3 X' x9 `7 ~
;;当前发生交易时的评价时间
6 ^" T+ s* Y# Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
) i/ v; `8 x( b4 Z4 \trade-times-total
5 _; J7 F& x) R" Y, j;;与当前turtle的交易总次数/ |2 ]2 C# R' H% `8 z6 k* @$ k2 Z4 e
trade-money-total
% b0 l5 X. O, v. x y" {+ d6 G7 |;;与当前turtle的交易总金额" D6 M7 ^8 w( q6 I1 m/ q6 a6 A
local-reputation: V# _; L% X S! K6 u7 t
global-reputation
9 |: f; ^# Y" f+ }( hcredibility+ r* b. M3 X# R6 |6 h* V( n, ?- \
;;评价可信度,每次交易后都需要更新
) j1 G# x, j8 `" dcredibility-all( R I0 _9 I; h0 P# t6 T
;;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
& V ?' _( ]! m/ {1 L7 l$ M- Z$ g8 C3 T1 `5 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
( s/ Y; y& }. |1 A( C) [credibility-one
6 T$ `$ c$ _+ ~6 G7 @9 R3 t;;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- C# a. i0 t B& t$ l/ `
global-proportion" ?6 m. O" j2 Y2 x0 B
customer3 A, }# a* l! Z- K, B
customer-no
, D2 D- }- }1 Y( s5 g% y4 M* h% Ttrust-ok
. r; Z) U* e3 u" H! ^; s* Ptrade-record-one-len;;trade-record-one的长度1 Z9 o! _/ J5 K% h% P6 k, c
]
+ \5 }3 x& a+ W0 m- v
l, y! l, _( r( c0 s: J9 p" v) [;;setup procedure8 _9 a$ y# ~% c
. s$ ^7 J0 Q: `" ?- m& yto setup2 R" b1 m# J! x/ ? @
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ca
. X. S* M, |. I9 {; Q; d) e9 v; V( s& F9 h; [5 V) Q7 z+ H, m D3 h
initialize-settings: T6 c* n- l9 x
; f* G# ]7 w$ k; G. wcrt people [setup-turtles]+ n( f5 ^/ e3 E6 t
' {. T5 ~4 ?& Z7 F) u+ T; X
reset-timer/ G# a" H- {: Z2 t3 u
! M3 ]* `- E: w2 tpoll-class
6 t6 ?4 T) n0 K5 G7 M1 T8 W6 {0 P: c
& S, ~* Z; p0 u7 y6 _$ psetup-plots& B7 l7 Y v# U( u2 G% o Q
; ?9 Z! Y8 Z4 g) Rdo-plots U) Q+ _& L/ U2 R7 q& _9 _
end
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' U7 t% e% c! Q! jto initialize-settings% M" l) q0 C; K! B% P
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set global-reputation-list []
. g2 R) F8 A- S: i' F' P. X3 k! }% Z; }' B$ K, ?1 ?' R, `* p) u
set credibility-list n-values people [0.5]
$ y- F3 r& \! x0 }) T, ?% f
3 M( J. R0 C4 P1 R8 i5 [set honest-service 0
/ t9 p. |( o# h1 R" O! Z# y+ v! K3 ~, B
set unhonest-service 05 ]3 ]: ~% f$ I! W+ s; k. ] |: L/ A
/ B$ ^2 L% T+ G( V4 w
set oscillation 09 v9 k. R" c: [5 d! h; S
' n; J; B7 s$ x0 @ u
set rand-dynamic 06 M, \% X- b; o& e
end
5 p/ Z: F6 N1 `% h' J0 t8 ^9 _! m
to setup-turtles
, r' K4 s* v/ F9 N( qset shape "person"
$ J; }2 T2 D. W, A+ C" N' asetxy random-xcor random-ycor
2 V0 d8 n% v( L) v. qset trade-record-one []
3 t) T ?& f2 G. T7 |. ^) H; M7 A/ V% U& G' n' Q) P
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 N0 t c7 q1 Z ` \
6 v& Q" t& X; H) u. rset trade-record-current []; d, ^2 ~, v7 l3 O2 I" @
set credibility-receive []/ n: z9 @4 c4 _8 i$ B8 E# B
set local-reputation 0.5
X0 p" g5 D) x7 Tset neighbor-total 01 Z5 N: a+ J1 Z2 N0 a
set trade-times-total 01 w/ ?/ X- @& h- R3 I5 P
set trade-money-total 0$ p: N E8 f4 B+ \: ?' ]
set customer nobody
4 `8 J# I& a% {8 I/ Mset credibility-all n-values people [creat-credibility]
5 R& o, S0 {9 f6 mset credibility n-values people [-1], u( x7 E0 }% R* m
get-color
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. B2 H& j1 x0 y; ^end$ |! `. N* Z6 p4 ^& W2 E
4 Z9 t8 y! w2 C8 A/ o
to-report creat-credibility
m$ Q+ ]# q# U! T4 R; V1 Greport n-values people [0.5]9 _6 J, N; D0 k
end
! P0 b, v. u- `, ~' e; |0 z8 z& u, L# o! U
to setup-plots
% G+ @6 J' p) J' K, ?/ U' }# J W* Q5 T9 I# ^1 Y
set xmax 30* @( z; S1 p9 K& ]( m, T, e
7 {% m9 d% c9 s& Q6 Rset ymax 1.01 W) G. [) X" x' D% ~1 f2 F
; t0 o: x) ], m% B" P
clear-all-plots: D6 Z; I. B5 y
" k! l4 x* M- {" G0 i- lsetup-plot1
7 D8 ~" _- ^& j) V/ p
$ i) u& b4 \' a6 h3 y. C# ~* Rsetup-plot22 u# f7 T3 ]+ _0 r
' r3 w0 j, @; R4 B6 U, ~# \7 Wsetup-plot3, s5 r: J7 _: I, m6 e5 z% X
end
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# o) h, t P9 Q2 w2 [8 W;;run time procedures
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" P, R. e5 m& S8 D$ p6 m: o5 zto go; \- D9 f8 C: _. A/ s* f: J
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ask turtles [do-business]$ ]: j) ^* ^$ W4 H( q& B9 H; A' E: P
end
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to do-business 2 u' I& P/ I6 ~& {- e, {1 k
+ M; m1 c% `: z; O& A/ O2 k2 C* r2 `# _
rt random 360
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- K R7 I. X1 W5 ^) l* ffd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)9 E- }, w& t, Q( C3 }# P
[trade-record-all]of self+ W. v' L* v! l7 ^' _7 Y. @8 L: Q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' V8 A0 j, j! w ]+ K; X" W
; \. [% w% u7 M& k* S: N6 v
set [trade-record-one] of customer item (([who] of self) - 1)
5 j% D7 l, J; |[trade-record-all]of customer
. Q( W* V- K( e6 E
, N' N& i( x1 n6 D9 mset [trade-record-one-len] of self length [trade-record-one] of self
/ {2 \# a3 A2 Z/ U
$ n0 Z2 H8 h4 v# ?" {2 s; Aset trade-record-current( list (timer) (random money-upper-limit))
V1 m# r3 Q% }2 ~: n% u: d* W- v7 I2 d( `* ~
ask self [do-trust]
) m+ ~3 Z8 ` L [& ^ N;;先求i对j的信任度$ \) G) R" v# O) b
# H# b) S4 x; n
if ([trust-ok] of self) u( A2 H* o5 L8 b2 H
;;根据i对j的信任度来决定是否与j进行交易[
o$ n3 L9 E9 n |8 f: H7 kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself1 e8 y. `2 k# j5 ~5 K
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0 F+ m- W4 u" o: z6 I7 k J( u" ]% h
do-trade- I1 y( |! p) s& X' |; W& p
* o( a3 G) v" a" C5 A
update-credibility-ijl
2 b3 y$ ] p# A$ i' @
; S5 N( g7 G0 N& Kupdate-credibility-list% T+ q x \/ ]5 P$ x. l2 r
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. A7 z+ ^3 X4 j: S+ I" D- lupdate-global-reputation-list7 T4 w% {6 r% r+ g( g
4 P2 c4 K+ `5 W# B8 V
poll-class, Z; h. V( a$ |) u% Z4 n- y
0 m0 B( s+ t5 d Lget-color
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& o# m/ f# _# v1 d' p( L* N1 q]]8 A; n9 b" h- ~* N# [$ A5 ]" ]3 Y+ G
% K- `! s1 q3 O4 c' I;;如果所得的信任度满足条件,则进行交易
% w3 ]* C5 T3 I0 m; i" Q0 ]: C# q5 \" E# P" K
[
7 b- b# I8 ~$ @. f) r8 p
* f' ^3 O% `# O5 b `rt random 3600 h2 x3 p* {& U. V
& R2 V0 D5 I% Nfd 14 A% `6 M4 r0 k! e
- t; N% Y! r- u/ t1 C1 a
]
% f; g& ], n9 w; M; k# o" M4 t' X
! _2 K& Q6 I1 n2 G& v l" F- Yend, \1 X" ^" X8 X" K1 |: s5 H
( _2 x. P% ~* @9 xto do-trust 8 U4 c3 b' f \0 |0 @+ b
set trust-ok False
% b+ q8 B, v+ y& D1 F* c
! p& h7 u, U; r( C$ x D/ u- U* i/ p
let max-trade-times 0
# }: E6 D4 g6 Q2 lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: x' Y/ `( d$ r5 L/ |let max-trade-money 0
0 L( J% Q% h. Z! e6 i" \0 d0 eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ i. b) s$ v/ W. \# D# tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
& U4 |+ j$ _- v$ k/ e; S! w2 @5 Y6 ?
5 V+ g' n1 W2 T* M. l4 [$ @
get-global-proportion( {$ T( E9 b( y f4 F. i8 d
let trust-value2 }& W* ?0 B! ]* V
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)
" X- J) ?+ {' ]0 iif(trust-value > trade-trust-value)
O0 u- C# D6 {4 x0 `. b l[set trust-ok true]9 U6 X% A% ^, s- M ^' S
end# S2 S+ x7 e6 W+ \
$ t4 \ N% z+ ^. W! kto get-global-proportion
3 L+ R& N: x( }& c- Z( }ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 \' F1 s/ I5 z% S# O- Q
[set global-proportion 0]
% c6 O: y1 G+ H+ K9 M[let i 0
' w6 }7 F* `$ Klet sum-money 0
- ]/ d, O- H* `. Xwhile[ i < people]
/ ?# I+ i3 M" Q1 v0 |4 P[) z. J$ |! W0 _ a5 |7 y' @. ~
if( length (item i" R; h* X J7 ~6 s& G3 c1 I
[trade-record-all] of customer) > 3 )" c+ s8 Y) E5 \3 q
[
$ Z. ~8 q* J; G: m: |, ]+ F& fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% B. [% m1 p) _8 M
]! R! e$ Y0 s% M- F
]
# y$ M* t& d/ Zlet j 0
) h3 {1 K4 F3 xlet note 0
/ f$ u: h& I8 _while[ j < people]
) D; p O+ ~/ I' z5 z7 B[
! S5 u- ~- [ c; L0 P, @if( length (item i% ]) O9 _6 a! |+ m) u8 c4 X4 C8 m8 x
[trade-record-all] of customer) > 3 )
`! i: h. }' Q+ u' L' N, D6 e4 s[' F7 D& H' J4 v2 { ?! m( w, V
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" ?8 b, z, j2 [1 Q7 t
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 F. ~/ P) \8 q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, |# u" i6 Q& `! p' S; [; p]
/ j- L ]7 [" _: c]
% w7 x+ K, g m3 E T, Dset global-proportion note% |8 q5 i, ^' L
]0 L. S5 c$ M( W1 q( @& ^% k
end
3 T2 C. o" E* ~( f0 A
7 R- a" D5 X/ V2 O( M7 uto do-trade3 e, w/ m+ l+ X# T
;;这个过程实际上是给双方作出评价的过程. \9 \2 e' y7 c; @* J+ |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 M' [1 c' i5 V! C' c- ?1 v6 s( S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价$ C: ^, ]. [, J* y: n
set trade-record-current lput(timer) trade-record-current
0 y- V& m2 c/ D e9 H: S& Y;;评价时间, q( b. z& S7 u- {# M& e1 X1 L
ask myself [! m. i3 s& z+ b& J i' K
update-local-reputation) ^1 t- N( m9 k! M* K6 N
set trade-record-current lput([local-reputation] of myself) trade-record-current, b/ _( b% X/ E- ~! z. g+ O
]3 @7 ~( y' I6 ^ d2 e2 Z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
7 \' Z( \+ s* G# u;;将此次交易的记录加入到trade-record-one中( h5 V9 }9 Z4 n
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 ~! p0 S' _9 V) z: P* z: U
let note (item 2 trade-record-current )/ m' V: h3 U) _6 D0 A
set trade-record-current( O% F2 ^2 Z8 Z# V0 I& S- L5 x
(replace-item 2 trade-record-current (item 3 trade-record-current))$ B9 l/ @2 t( X
set trade-record-current
) i- b5 C1 f5 _2 _- l5 \* ^7 i' ]+ D(replace-item 3 trade-record-current note)* x3 E' N( d/ _8 w% X" j* a
9 U- h+ Z) l( x. Q. A, V* [9 b* n
# Q* ^- [9 r: [# y; u' \ask customer [
3 h4 s$ P* X8 Zupdate-local-reputation
5 h% J- t& x1 Q# s; Oset trade-record-current. y5 I8 Q! `" V3 w8 ^5 K3 \
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 p2 C. N( v; m, C9 p8 h8 m]5 z* @$ @ o/ l) [* F; x4 {
$ R; D$ p Z. b" c/ C0 O
$ t; d: R. T! S, n3 x- pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* S1 C" G2 k( j7 J: Z3 k# N
8 p# A3 {, o! tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) p+ L2 |. o. x5 L' t
;;将此次交易的记录加入到customer的trade-record-all中
% s" L6 I" G$ ]" e5 T* Iend
; y. w7 X* N- g6 y; P- S, n8 O. ?7 v/ o% F6 {
to update-local-reputation
4 ]( x3 k# n' X5 hset [trade-record-one-len] of myself length [trade-record-one] of myself/ X" R& m' V- l" R
6 O( R3 ^9 y- {1 c
3 v; C2 Q5 D' r) Y; J8 ~;;if [trade-record-one-len] of myself > 3 : V! p! q4 X+ x# G8 w' t, `- O
update-neighbor-total
! X- v$ v/ W g) o& K;;更新邻居节点的数目,在此进行
' o7 T. R: `% a( k* o5 Klet i 3
: Z) u6 l3 ]1 p: J2 |9 ^let sum-time 09 p. [+ O) F3 I0 Z4 v
while[i < [trade-record-one-len] of myself]: a) ^' \8 w' N
[
3 i( t- | S* L: l6 M0 d4 fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 l7 q8 m# P' Mset i
; E/ V$ D7 ~9 j4 W( i + 1)
+ a- @- _# I- f1 g]: n/ u% j6 b: Z$ |% `. I
let j 3
) Z0 T/ C" k/ e- g' Llet sum-money 0
6 ^. u) y; |0 Vwhile[j < [trade-record-one-len] of myself]
& {) P) P4 d1 G$ j[
' Y7 M( Y B! H: Y: E- e+ d' vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)5 V! w4 Z+ ?1 S" H9 v) C) {
set j
2 }; d; ^. Y! Y2 z1 z( j + 1)
$ p; o6 V9 N; r, d" b! u]
* i. |0 B% G' B" F5 _let k 3
" W) W4 ~3 P! j9 u! ~/ l6 `/ [1 Y$ s9 U, alet power 03 j* d2 S2 p' S1 p6 I
let local 07 x( y# r) A: H: p1 z
while [k <[trade-record-one-len] of myself]
+ @+ k- B2 _/ L6 r* u[
, ?9 G% k- { C+ q- v8 n8 nset 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) ) ^+ \% b8 E# p( m. j; y& I0 C" g
set k (k + 1)
2 p7 ~1 t2 e% {6 K]0 ?$ b& u/ L @6 \9 m s( I* K. q8 C1 D
set [local-reputation] of myself (local)
, K* L5 x" W) fend
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to update-neighbor-total! M$ Y* N! K( b1 M5 ?3 x) C
6 D$ k e. w( ?. z( y3 I$ b
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]4 i+ i% V9 C6 A3 l" I8 O
! f1 H7 e$ Z1 R& p
4 O, p0 L: H! g! M4 w y, Nend
+ A% `+ c1 A5 w. L" f5 s2 G
# V0 I; O+ N0 k' W6 c6 u5 g4 J0 Xto update-credibility-ijl ! `) T- O) P2 n$ W8 b
+ e: ]% v* x3 M+ B
;;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 D% R* o' I& v8 @7 a) |. ~let l 02 X% I0 Z# n' G! X1 q( d/ r5 _ o
while[ l < people ]
) y9 E3 |9 W1 w;;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% l) J5 b0 N" P0 ^2 T! g2 S
[
( o; _ M8 E/ J% L0 s( J& `let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% K- o' U. F% `: {, H \% w- b
if (trade-record-one-j-l-len > 3)
! ~' R# w1 L+ N* C( F8 s( H[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
# \( ?4 B0 Z- `' T T6 z% Zlet i 3
* b4 r4 O- W# e: y+ K$ clet sum-time 09 I. ?8 g! Q4 L: n. `# y
while[i < trade-record-one-len]& {8 g7 D( x% m2 _
[9 I9 o/ b! \1 c; u/ a8 E
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ _9 a/ q$ ^# X# W6 f cset i
' P4 `! A! n# P( o+ m1 x( i + 1)" j$ B6 L6 l6 p( t" P1 l1 U% n
]9 G: j7 t" o" P5 x& E4 f" N' t# a! w2 Q
let credibility-i-j-l 0
0 D4 `) a$ n2 D;;i评价(j对jl的评价)
7 u6 f8 j. }& s' ~) \( i# Q1 }let j 3! v1 Q/ c0 n2 T- Y% ~3 s% Z( z7 \
let k 48 E) U) f# q w7 C' [
while[j < trade-record-one-len]- e( X! w" H0 d6 z' ^1 n+ E: w
[
4 G% ] a7 u- d, D( x: _! ?9 dwhile [((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
+ R7 D+ l' Y& J+ m. c2 Z$ Aset 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)* I0 o8 |: r/ L7 e: p% j I
set j8 t8 i9 @$ [. F1 Q7 i3 x, L1 L
( j + 1): t( V+ ?3 z9 S& o5 c
]7 x$ q2 P4 l; E8 {% A8 q# g! d2 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 ))# [2 H6 m( N0 j m0 `1 l" w! {
& S" l/ T: v4 @7 @* U
/ `/ Y `. f, N) ?
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 n% Y" S2 w# k: H- P) J5 s;;及时更新i对l的评价质量的评价
, r" F/ C/ g! J1 @- Q1 Q, Rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: V2 n$ a$ c8 R, b4 {2 u- Z4 @set l (l + 1); u; u* K" i; L! x1 u9 N8 I
]
& i$ C, @7 u) q5 v3 \/ bend, j, L# S: M. w3 d1 H0 r3 {
, C5 D# H% \0 T# Gto update-credibility-list; r' \: S! ^/ v4 G, p
let i 09 i. z8 y5 H* e
while[i < people]
! ~$ z( a' t! q7 e[! i8 T8 }- k8 G& S
let j 0
9 G7 o( R: c* f3 d) }2 E: N4 f5 u6 ilet note 0
1 s3 a' N, _& N( O% b1 Elet k 05 Q. P# ?5 `) o$ S8 y& ] u
;;计作出过评价的邻居节点的数目2 X, B- |) [' G6 C& w( n0 |
while[j < people]0 e1 J" |7 V( Q( _6 }
[. q. X2 h; q; W7 n6 n. G
if (item j( [credibility] of turtle (i + 1)) != -1)
& _1 y8 T6 ^# N! _7 c5 X6 L;;判断是否给本turtle的评价质量做出过评价的节点- r7 Y$ I6 T H( X
[set note (note + item j ([credibility]of turtle (i + 1)))# K- H& }0 [5 w
;;*(exp (-(people - 2)))/(people - 2))]: c0 p' p0 ?# K9 Q8 O) u6 L, ?
set k (k + 1)
+ {6 P( P! p% h4 e$ d+ r- q x]4 N+ ?( ]9 J1 w% F- Z0 ^3 V% z1 l* y
set j (j + 1)& M" k: @" a3 A# e) ^$ j
]) _2 c' D i7 r$ X( ~5 a( `% ^
set note (note *(exp (- (1 / k)))/ k)# [0 ? ]$ j4 S: m( ?
set credibility-list (replace-item i credibility-list note)
) Q7 | I, ]+ O6 |0 P6 ^set i (i + 1)0 p l" n- \! ]0 a6 T* B
]6 S( p7 _4 _7 f( I
end
* r( N6 B! L$ c$ c3 R. d
- t' b1 U% w* K4 E; m$ M! C) ~to update-global-reputation-list" ]8 T- J5 R0 _+ o k" C
let j 0/ k2 O4 I! R4 w$ h
while[j < people]! a5 M; I+ ]! w/ N7 R: X( N
[
" S2 g$ E; v6 h% s( l0 Plet new 0
3 c% T0 m! s. j) l) g;;暂存新的一个全局声誉
! [3 j5 w$ P A9 Plet i 0
& l+ [& Q+ w% ?: Llet sum-money 04 d# A( I( S4 y1 J) L& K
let credibility-money 0
# ?% _$ \9 m4 Z7 l: {while [i < people]
* ]/ ~% z' C5 q# G[
# D7 z$ z, P6 Y" P4 hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
+ L8 S7 ~9 v* c2 _' ]9 f8 t. f0 ^1 ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# |, B# I' P* z4 O9 J
set i (i + 1): |5 J+ k# b0 p! N: @" I
]
& b5 B* F4 j9 u/ [& {) v9 y/ Klet k 0
. b% ?" X, y j9 F4 s$ B/ glet new1 0; ]& h( N1 N5 R
while [k < people]
1 R3 `& P$ `, ^& y: ? S0 V( U4 \# L[
0 H' d. e1 h- ^: T. p6 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)$ H& S2 R$ u) y7 h
set k (k + 1)
8 N1 p4 P; @( y2 m/ g]# I' ]& j6 G9 @0 D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; ]8 s* V+ M# @/ L J4 [set global-reputation-list (replace-item j global-reputation-list new)
- G; M' J% l% Lset j (j + 1)
0 r* ?# G* Q1 m+ a3 W6 {9 E" P]6 O* R# y: P N
end
7 q" x7 l; V) E' m* T5 x
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* y) B$ C2 B" z% e* X. _5 J0 [; b( @/ O: `7 U; O+ S% k0 ~) o! M( t O
to get-color; K8 l$ p0 D' X# C* I
o7 f3 P8 T" ]5 Zset color blue
8 d; u& {1 N1 K3 eend% ]: H+ V/ R. R
' x% l6 U0 U5 |$ @( \( {2 S- `to poll-class
" d9 V( H: A1 _% C5 {& _( X1 Iend
% Z# I5 n) ?& F' M# K! g$ R9 S" Z5 S
1 L/ b* \* ]! Y: b$ H8 Wto setup-plot1
+ j. W7 `" v2 e1 I) P
- U( G) |0 w4 i6 i6 nset-current-plot "Trends-of-Local-reputation"
4 j) k4 _% O# V3 i0 y$ W4 S
1 I5 H2 N# Y/ Y6 I; Xset-plot-x-range 0 xmax
- {! _$ g8 k( P' Y# }! N
" T* M1 v# O$ j, \1 E+ O8 F# oset-plot-y-range 0.0 ymax# ~* ]' k a: Y
end
6 F4 y" o) e3 r ?: g( V1 [+ g/ Z& f) G* F9 D' |4 |) A) }
to setup-plot2
$ R0 H! {7 h( U% ~7 B2 s$ t$ u8 Q0 G; B6 v/ G! u
set-current-plot "Trends-of-global-reputation"; K: @2 }9 z; |6 P2 X( c8 X9 b
% e7 n! N* }3 b# g; A. h" \set-plot-x-range 0 xmax
6 i) ^% @4 \# v
. m/ Q+ o- a# @8 y$ g! }2 {set-plot-y-range 0.0 ymax
# p4 u% H9 `. ^$ e1 iend t( s* w Q6 a/ t
3 N0 t5 n4 e0 q) J F
to setup-plot3
# O2 n- v1 Q- `- |5 I/ e
0 r# }" `+ d# u! hset-current-plot "Trends-of-credibility"
5 |, c2 H' B% J& p S/ v) }! M1 `! Q
set-plot-x-range 0 xmax
' z! N. Y# N8 h2 C0 i
' Z7 X9 o! u9 y7 p5 sset-plot-y-range 0.0 ymax
* u- Q2 B+ q5 a7 f wend% d5 m6 k5 E" U( M1 K% }7 _
$ X0 u" i" L0 I4 N+ Eto do-plots7 s# J( w* M. U# S$ N* N
set-current-plot "Trends-of-Local-reputation"
+ R6 n. a& h$ i* W% J: Hset-current-plot-pen "Honest service"# V) A* g) R( s2 U
end
# r5 ?) p6 Q( J) p
4 A% E. L6 j+ ^4 c7 q* u6 b x3 n0 L[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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