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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
W6 i+ C9 e1 x9 B# b3 ^( D- oglobals[
) s; g; |/ w2 u$ c8 Nxmax
0 w5 L4 R* E+ |( d+ O! b' z/ aymax$ m3 N. E, p2 Q4 n; ?5 y
global-reputation-list6 E, u$ S% F9 `1 r- I0 e9 o+ }
" U2 ~2 E3 v% ~# B! s;;每一个turtle的全局声誉都存在此LIST中
' p% x1 V7 U; v5 Acredibility-list% s4 E$ ^) {8 p: s
;;每一个turtle的评价可信度; E( _0 Z' P) T" |
honest-service# b" D3 i8 i2 j r$ C1 m
unhonest-service/ p# ^1 k! f0 A: F* J5 A! p
oscillation
# h3 C3 z8 s- z! F1 ]rand-dynamic! c3 k6 b3 N) d; L
]
. S9 b# @# J: u& m5 u$ v+ e7 N/ k3 K& l
turtles-own[7 u1 [6 @/ Q1 E0 w7 ]8 k2 N8 d" r
trade-record-all4 ^2 Q/ `; c- C
;;a list of lists,由trade-record-one组成+ m) V* {# y: W Z
trade-record-one7 V1 ~8 j6 i# i" u& H
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
+ g* o9 j: F- A
7 {0 Z" p$ O: X) j0 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]]
* f# {2 v r6 ptrade-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]
# t& i- E9 M" \: F9 Z. Q4 Dcredibility-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
! [* P, c+ l& A/ Y/ Pneighbor-total
: H; ~) ~/ U) X: }) X2 Z;;记录该turtle的邻居节点的数目( C- E1 r+ p3 L
trade-time
' w" ~8 ?6 X& X$ w% ]9 S;;当前发生交易的turtle的交易时间( b6 v+ U. P% o: x" f
appraise-give
2 f. z* C- T. w& J; A& i8 ^4 P;;当前发生交易时给出的评价2 }( m H$ M" ]6 q4 S
appraise-receive" X3 T" [3 B9 A+ d7 {
;;当前发生交易时收到的评价; d( M5 ^- `) t" v, I5 ?/ H
appraise-time0 _6 {* i5 d0 d' H1 y ~
;;当前发生交易时的评价时间
6 @; y4 Z8 D7 z, ~) n+ T4 glocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
' |1 S) H% c k5 J$ z% Utrade-times-total; E$ p0 i8 z8 J3 a0 A5 M
;;与当前turtle的交易总次数
9 y. G5 Z9 `0 F0 h: ?trade-money-total0 r1 s2 j3 A) r* ^: ~
;;与当前turtle的交易总金额& Y) O. `* H% ?8 _" M% D' L
local-reputation, x" N# ? r2 f8 V! T
global-reputation
4 }# g0 B9 a! J) ^! [credibility
/ Y6 P/ h( w" f" z) K& A2 N;;评价可信度,每次交易后都需要更新
; v0 L3 r0 {9 K9 |6 h$ hcredibility-all! G$ I8 H s( X: \4 u7 ^
;;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
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% b6 w: A6 P$ m3 H1 [! C: X;;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0.56 i- C" J1 D% S9 o* B2 s& J
credibility-one
! f; P9 Y! f2 k2 t+ O2 G4 K;;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4 W8 H- W" t+ P. J6 g
global-proportion. V6 }, f$ R0 ]1 w) `- @: ^( N- N
customer2 I5 `3 G; M, Q6 h& D5 |& w
customer-no
; D" Y4 v' f( h& B+ Y5 K4 M! T- Jtrust-ok
2 E; o4 ?0 X; i/ G Ztrade-record-one-len;;trade-record-one的长度1 B( Q" Z" _( ]( p
]
; d2 J2 ^' E8 Y; E% n2 w# e3 s- v; l4 Q$ u/ p
;;setup procedure+ j p" W! L2 g
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to setup( j$ I1 c5 P! N5 f% u6 D/ ~9 w
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ca
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initialize-settings
" C" {( o" }$ G) u3 M' r- g$ X" ?7 `9 }, s$ ^& @6 H
crt people [setup-turtles]
9 z8 \6 g3 [+ g6 y3 E3 }4 M! Z- y% ^9 a8 H/ f6 X
reset-timer3 u4 c5 E0 L1 @3 j; p
) ]; d: J% ? N+ M* O3 v5 `% [
poll-class
4 h5 @% O9 K" X6 A2 B7 P" q g/ j& l) y I* N1 r5 c4 I
setup-plots
0 X8 ~. Y2 U% O7 z! w
: y4 r8 @7 U* p" Ado-plots" h' g+ D9 J2 D% p- z+ y9 b! n
end+ I# C+ ?; f6 t$ \) t) I& G& V8 H
( h' h w- ~- R0 U9 n" E* Uto initialize-settings% _( E" J' ^2 c6 T
" u3 w* t! H# |" i! A
set global-reputation-list []% s0 h7 j$ Z. l. V7 X7 T2 D4 q
# e+ v5 h9 ~5 D4 C: h" Pset credibility-list n-values people [0.5]
# u, T% J/ Q3 E: k4 s A8 ]( l4 `+ R
set honest-service 0) \- \ I4 l x3 E( w
9 o. O% W* B* _4 e6 E' F! Jset unhonest-service 0
+ `& m: q7 w" @4 y+ I& Z1 i+ `& n& e5 |
set oscillation 03 y! k" _( s7 o7 x: ^2 j% ^& y
6 A9 b* J1 D5 K! r1 | n- Y$ Qset rand-dynamic 07 |7 n b, ]$ e
end" A7 K3 @9 ` G {& B% X K* q1 }
$ F) B$ } f% b0 j
to setup-turtles
; ~. Q4 D0 C m1 r* Yset shape "person"( S% W1 z" G+ i' B5 | O
setxy random-xcor random-ycor
7 N- i, ?. j6 o- b$ j1 Wset trade-record-one []+ V2 e" m) P- I+ n8 H; y+ |2 i7 Y
0 @9 O% B8 _/ r9 z7 fset trade-record-all n-values people [(list (? + 1) 0 0)] 8 ^7 a( ?/ `2 H% E7 c% |, u- d
0 B! J2 _. G3 D+ m/ Wset trade-record-current []- w' i: i* a, X9 }
set credibility-receive []' }6 c5 k2 R% m' G- O; g' [1 B! G
set local-reputation 0.5
, J, c% {! {, I2 I4 a4 Lset neighbor-total 0
2 v3 n( `3 @! b7 r8 B' {set trade-times-total 07 d! E7 D9 I. E# L, u
set trade-money-total 0. M% ]( p7 K1 e2 U4 M
set customer nobody! {: ^ q# ^/ Y; [# J( R
set credibility-all n-values people [creat-credibility]
+ Q+ R% ?, R( H) Lset credibility n-values people [-1]2 u! [* E/ G' T
get-color H8 \4 X# ~1 _6 D
, p: P4 [ j5 V& J1 K2 o( s
end
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. Y1 n, a$ x3 l4 m" h0 hto-report creat-credibility8 _3 G4 X7 d1 i; @: M
report n-values people [0.5]" g8 l _* }$ g C4 |; c
end1 A7 i0 P6 ?( ]$ h
1 Z6 m, R6 i# C, p- ]% a# W
to setup-plots
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set xmax 301 P. R* J& }* a+ @0 F
. F( k; _) z" z* y' j- Zset ymax 1.0
4 r; Q: O7 G. D2 U2 i) l* E' E( _& {6 J; t- V
clear-all-plots
4 d7 F9 a4 j5 s6 x ?; r2 i7 H% `4 a: T. ]( d ]* n9 x! v
setup-plot1- U( C" X( s( X4 d4 S* q
1 `$ [$ V, j% |( X7 W' ]- S
setup-plot2
/ o K1 @7 R. i( V& _9 k/ h) f, N, z$ b
setup-plot3
8 w$ ]3 \- ~/ x3 |# gend
3 n% }2 V; L% [ B" ^" r0 G' m6 f: ?0 }, s
;;run time procedures
0 }; r' @4 x$ M) p5 F9 s$ N: A% f7 x; u, L- E" n1 W9 i
to go
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3 U7 }: R5 z6 I4 }' d: ]ask turtles [do-business]3 T6 S K" J, }$ I0 i
end. j* R) E9 j4 j7 i8 n
% f* N2 L. d# M4 N3 bto do-business
) S. o$ Q, i9 {6 H' E2 ?( b, t) U2 G& ~
2 m, {$ B0 f6 M' x& Frt random 360( I4 n+ R( N% ^5 z4 j- X. B
' Y$ f1 C& W! j9 \$ g3 E% wfd 1
0 g& N) M6 G( H" {
7 ]# j" `# O6 j4 @+ B3 ?% {; X0 Difelse(other turtles-here != nobody)[
, c+ s% g- Y3 X
7 g% e0 u' V: [set customer one-of other turtles-here3 k1 p! K: [$ a9 A2 M' d0 S F% c
6 K; H9 P4 k6 M: _, {) `* J5 W;; set [customer] of customer myself# Z1 D# |/ }1 F$ _
5 A8 I# b# q& @ q w
set [trade-record-one] of self item (([who] of customer) - 1)
4 A& E3 ~3 c9 D7 }7 C. e5 V0 ^[trade-record-all]of self
6 a* s' r1 ^1 o3 b( A& M+ P* R;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 [+ E- v$ D* X
& y5 V) O! [( F9 S7 ~set [trade-record-one] of customer item (([who] of self) - 1)6 d, Z( Y- v' }
[trade-record-all]of customer
8 {- F# J9 t( y' g! N( r6 B3 M# e, H" O
set [trade-record-one-len] of self length [trade-record-one] of self2 U4 C/ t5 B9 D
, w1 }2 W0 ^% F0 _% I
set trade-record-current( list (timer) (random money-upper-limit))
; r0 E( R0 j3 U, D3 V3 _3 I* z. H& x& j7 ?+ W) x
ask self [do-trust] @/ l( B6 p) e) W' F2 j
;;先求i对j的信任度" l% o+ }5 M: f. q" r. t1 t
$ u$ p. c5 J, h1 c+ g, @9 [3 Zif ([trust-ok] of self)
5 E( ]$ t. \( c1 Q;;根据i对j的信任度来决定是否与j进行交易[
, ?( `; T7 g4 [( ?6 p1 Fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
3 T8 _! t$ K; o1 K' l: W- ~8 m
! J" r6 ^( ^) G3 R& ?( p[) a5 g: m3 z1 v2 g% g
5 a; `( v" o0 ~. Z) `+ H! N. }do-trade
+ O/ i3 u3 j" n9 G4 p4 [2 N2 m+ a1 F- _' t) V6 E& T
update-credibility-ijl
% P0 p2 t1 c6 s7 {+ |% U( w' b2 X2 a7 \0 i/ r) B) P+ D
update-credibility-list
8 d, s( D$ m" s9 I; d% S1 h& a+ ?& _/ B, R* f) ~
( b5 Y9 k+ }9 T2 N3 r5 \
update-global-reputation-list
: m) O# ^9 l) u6 @. f
) Q# i# T1 c* |8 W5 ?8 r8 k* apoll-class
* g& H& Y5 ]3 R+ v6 j8 Y. L
2 {2 j4 `1 k8 w. A0 u% p. dget-color, b) h5 c( b$ ^' m4 Q
) j3 n8 s9 I* `+ m. m- n. r]]$ |! @( w0 Z6 {, ?; L8 D
4 ]1 q4 l% S/ U;;如果所得的信任度满足条件,则进行交易7 B% q$ `# N' e* E
4 [, G. a* O1 k0 A. p[8 b2 t$ u% h. c! Q, M) W
2 }2 S; ]) C }$ a) ]
rt random 360
1 f& e5 [" ], g, y1 ~5 m @; n# T' E
fd 1
9 `) B4 f! V6 `, z' k# o0 k8 t! k- S* l$ _5 Y
]
% J- B) x+ o% `( `- }
2 R. o: m8 s; C( J. fend
) z/ C. b# i0 @& m! H
5 d, |5 A/ }7 A* `' bto do-trust 9 J! W. n+ H8 X
set trust-ok False
- A, R+ ^. ]3 ^- \
) q2 q1 D; Y/ }# \) Z, U) c9 w+ w. R
let max-trade-times 0
$ d7 J# t4 i ]5 O6 z) e" pforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' D8 k& ?3 j+ O+ `
let max-trade-money 0
& l- J! E& G& |% {0 p I5 K8 Fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' L5 g" c) A" g9 F; F8 J
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 V9 H6 v( _2 M
1 q. ?" ]& [$ k1 ]# Z* e& Z: @ j3 h/ l' L& U) P. e [
get-global-proportion
+ ^2 f4 d9 i$ d" F6 U$ ^let trust-value9 ? C- P& A& t m
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)2 I2 |+ R8 F* q) }
if(trust-value > trade-trust-value)( J" I$ E& g! O$ E% h5 c. S
[set trust-ok true]# A0 ]! |1 Q" y, \
end
; q# _$ L) Q7 x/ R) i5 Q& ?& F' e! a' u+ ~
to get-global-proportion5 A" R3 K& {3 l9 Y! J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; s: Y/ G) v5 b1 h! f- |3 b[set global-proportion 0]
1 x7 S2 p( T; w[let i 0' W @) f. v0 Y3 z
let sum-money 0
, P$ a j, D2 A& g4 L0 d! [1 Iwhile[ i < people]
q4 h' _3 p# O9 ]- H[
) _- y3 R7 a* n0 j$ Dif( length (item i
( R" j1 F; J0 B( }7 |[trade-record-all] of customer) > 3 )+ k3 q- S+ h' {% N1 y
[
! q' Q6 z8 |1 kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 l3 F& \/ }9 B' M7 v! u. B
]6 I0 ?4 a. C' p1 w% |0 q, w
]6 O6 a2 I5 a8 w. r
let j 04 J* [, ?7 K# }) h- R
let note 02 c! K; I: S K H8 X
while[ j < people]
' b! Z$ D1 ^6 s0 x9 p* E0 i[
' c0 s; z! b/ H' fif( length (item i) R8 ?9 D9 O4 }" i9 o) B
[trade-record-all] of customer) > 3 )
$ X/ {# w/ a- G6 u4 f+ T4 x% T: }[$ q; T8 }2 P/ N$ }% }- ]9 W, U! @
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! T& y) u) q: w& @
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 C. h1 R; s4 ] W
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: G% D' S/ A7 G* X. O]
3 j$ J: W2 `9 A$ B) R]2 S, T6 T+ D8 z7 D) m5 S( h
set global-proportion note
8 Q% n/ R& I4 }4 t* [' e. G' g w]
8 [/ T) p/ O8 ?5 J+ Yend, U; t& u O1 m/ ?, f( q
, J& z, Q0 V4 w; j9 ~6 K- j4 X7 d
to do-trade) B J I; F# h6 ~, C# v
;;这个过程实际上是给双方作出评价的过程! s' }( ~2 X3 i2 i8 u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 s2 V: n# a$ `: H) l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( R3 m7 {9 c, R3 p( A
set trade-record-current lput(timer) trade-record-current
: \& L9 n* D9 C, s3 l; }# z;;评价时间% @" k Q: P/ o+ F& j
ask myself [& C9 [ K) y; |! C8 Z! Q
update-local-reputation
8 i3 N+ X& z4 o9 iset trade-record-current lput([local-reputation] of myself) trade-record-current) J- A; }, @# `% P; E
]0 g, F9 p5 b- ^+ s
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
; \ {1 v5 Q" E3 m J; {$ K3 [;;将此次交易的记录加入到trade-record-one中
# M5 y$ k+ U1 Y( [set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 N2 K3 |3 O3 l* ]2 r
let note (item 2 trade-record-current )
$ u) }" D# }! k6 fset trade-record-current6 H. X+ B/ F! @+ s' |6 y
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ f" m3 @8 M) [3 s4 t- @0 s- mset trade-record-current5 Z$ f2 ~$ a0 y1 y6 r; ?. ]7 }
(replace-item 3 trade-record-current note)
( m' I6 x" G/ U3 i, `1 T& I# `7 D& x, X7 f# i& ]1 s8 o: A0 w i+ S
, ]- r8 y# M1 V! r
ask customer [: {- m/ C' s2 x+ F6 g! y2 z
update-local-reputation- _, H/ y0 X4 o3 B
set trade-record-current9 Z% L+ a6 J8 ^1 Q7 |
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
+ ]' P9 M9 s1 g]
B" p3 Y7 U4 l1 y0 _' b/ Y4 x/ R8 Q6 t( c" Y
3 H, x" Z( \3 W3 o$ A
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: H) p s7 C" d3 J
! o, J+ P0 G3 m+ |9 Aset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! f" a7 @ H6 k/ o;;将此次交易的记录加入到customer的trade-record-all中/ S9 ]8 g5 W6 Z0 h* Y! z: p
end
% D! h" C; }2 v7 k+ }$ [3 a k* J( g- J% t& v; E5 w* ~4 D
to update-local-reputation8 X; d8 d+ x; {9 s, F' j/ h
set [trade-record-one-len] of myself length [trade-record-one] of myself+ M7 o+ L* H6 V; W8 b
% {* X, m$ J( @5 V! e( Y# Z! k% O& Q0 X
;;if [trade-record-one-len] of myself > 3
1 |* a( Z8 z7 Y5 z+ p$ eupdate-neighbor-total
( U' J* k& K1 R/ o0 K' R; H;;更新邻居节点的数目,在此进行
, A2 ]( l T: c, G; x$ m nlet i 3% q3 s9 s3 J: F$ ]0 ]6 z' |0 f
let sum-time 0
# H( n( P( ?" q6 p" Y* `+ A) l# fwhile[i < [trade-record-one-len] of myself]
3 C# u1 Y1 _3 ~$ f[
+ B) h( s2 U5 O( I) o, Pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
5 m! v" @: j8 Wset i( u" ]2 b: j) n9 [; K6 A
( i + 1)
/ r9 a+ Z9 s% m1 M3 x) V0 x]
- \/ r+ P1 O0 A1 q2 R: N, Clet j 3
/ j8 v( m* U b& _. y/ o/ |" llet sum-money 02 y* o8 E5 m" }8 ~
while[j < [trade-record-one-len] of myself], m; x- B3 n1 ~, D/ ]
[
, S9 \* W V# o3 H J5 ^) R9 W6 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)
* @. _6 @- j d2 l! N2 @set j
i* y; ~* {- w+ H" q( j + 1)
7 z. f; x: s6 V T]% `$ V% n% c$ ~ C: w
let k 3
; ~ w ^0 q, m: c$ }: Y _9 q, e, vlet power 0
) u) |- q' o! Ylet local 0: i6 C" u7 e$ K! _7 J
while [k <[trade-record-one-len] of myself]
: Y7 k, U" K* r; T2 y1 f# y[
- s" o% t6 K f5 j7 Yset 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) " `: l3 O# [* n! r# P8 v
set k (k + 1)
1 e. k8 B4 X# Y7 K]
1 c9 J7 p) j& f% Bset [local-reputation] of myself (local), b# I% g" o/ k# l. r# o% I
end$ E: ~: B4 |/ ~; R8 X
5 Q" s4 T# U2 N1 R% {
to update-neighbor-total) l6 ~3 D8 v. H+ d: ]
) O& r, q$ B7 ^) l/ u8 @. k9 sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
" @3 s3 \ Z" ~ n) Q" H* ~! _$ O2 x/ D
3 h5 d# h# I) r/ y7 J, u* k4 W
end; C1 q3 R# u' N8 c
$ U- d8 l1 q2 X+ }3 B
to update-credibility-ijl 5 B: V/ H0 k) y, Z
/ t- h" U; }. H+ f0 [;;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。
, v; J0 K( R) i: L# i! {' Blet l 0
7 L5 Q) M% u" [' @( _! B' E; ~while[ l < people ]2 t% n. q$ J8 e
;;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1 f' S* V% t0 {- Z& a
[" ], j1 n5 W6 v$ W- ?- L6 J
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 p9 o- d. S; k( F7 v6 ?1 l/ Q
if (trade-record-one-j-l-len > 3), n1 D2 K0 _9 I+ f% X- Y
[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
9 O* f, C4 t; ^6 }& S- _4 c! N% nlet i 36 z/ F9 t. u, I1 d
let sum-time 0# \! f9 v" B& l& D5 s
while[i < trade-record-one-len]
! V% R* A. j5 j0 H$ R I8 g[
, B' e/ J/ |9 S8 S- I7 {set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
; a; V u$ @2 N& Aset i
4 x8 P n; ?5 ?6 R* t: l7 _' G# F( i + 1) D$ l' |4 {8 G+ F
]+ o, W" e3 R' i0 Z
let credibility-i-j-l 0
; {+ o" u2 T* K* N;;i评价(j对jl的评价)
( Q. `7 J9 H/ R+ y0 I. {' l ylet j 3( W _ i( t+ W* j, `
let k 4
; D5 N! s9 Z1 k. b& Q2 mwhile[j < trade-record-one-len]
* Z5 I7 p( ^6 C0 k* r6 y" y[3 d* _ Z2 V9 G
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
" M# L) l0 {- G( K' ]2 c; mset 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)7 Z( _4 f5 \1 K; u1 v" s6 }
set j& S2 E3 B) N8 U# {$ B. M
( j + 1); E" D. O$ V/ u) w6 I: `
]; w6 Z) H% X7 x( P; F: s7 a! R- 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 ))2 p: [. N9 U, ?/ \
+ z3 o n/ Q7 Y
3 k9 K: `8 Z7 U7 z3 f" M7 Xlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! u" l3 p* {! H: f6 T2 Q& ]- |1 m;;及时更新i对l的评价质量的评价
$ x- o" r6 [2 nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 J, L, N4 T- T2 S
set l (l + 1)
' r& o1 s, F1 A* t5 }% T* J) {]* s" G2 J8 y$ @
end
6 h) L) b: y. N! Y! V# b3 l: m a; T, |% [" }
to update-credibility-list8 x( I& W: Y1 m+ x" E1 Z' g5 x
let i 0
- t% j+ b' a, M/ g2 Ewhile[i < people], {- c% [# m4 B* @6 {& X1 l' d
[
$ {: D; z" j6 m; p9 C; Tlet j 00 `9 y# J- J1 u6 M1 y
let note 01 w a! v0 i" j9 W
let k 0
& I) L/ v' K4 y* @7 h1 @* E;;计作出过评价的邻居节点的数目" a* @2 F& W7 [' b- X- }1 D
while[j < people] c& f* X3 \3 ~: A/ L( g! f
[; z$ z) S9 Y6 f- C: D6 {% Z1 U
if (item j( [credibility] of turtle (i + 1)) != -1)
9 G+ G* k' L7 Q( R' q;;判断是否给本turtle的评价质量做出过评价的节点3 O3 X. k, U4 d: v) w
[set note (note + item j ([credibility]of turtle (i + 1)))- ]1 [; ^7 P: C% _9 p5 @
;;*(exp (-(people - 2)))/(people - 2))]2 ^& S4 a% N2 r
set k (k + 1)
$ B4 D6 ~9 P! e3 `]
$ {& Y6 _1 x% n" ~7 \. dset j (j + 1)
* A1 G% n8 @6 {]
* Q: N, F. T7 \9 rset note (note *(exp (- (1 / k)))/ k)( m, A3 r# G+ Y- i
set credibility-list (replace-item i credibility-list note)& K" J/ T0 ?. x; [: \( r5 p d
set i (i + 1), ~5 d1 v8 Z% Z- D- e! F
]+ D0 D% K: n8 `4 \% o, b6 t
end
+ q3 t$ a! c$ \3 f1 D. G5 q
/ R) G9 _# u8 C7 \to update-global-reputation-list% n! t: o7 f# D0 e! M( K6 g6 e6 @$ N
let j 0
' Z* r6 m$ I, ~, P) Q. u' H* R) I0 u- n( Bwhile[j < people]4 q O5 R1 E- q i+ W: e2 o
[
; H- m2 k! C, J7 ]let new 02 Q x' G/ L9 g% G
;;暂存新的一个全局声誉
0 I" M0 [3 g* y5 L5 U: hlet i 0 G* Z0 D& f$ }: r0 ~3 o& T
let sum-money 0* I& P# k5 W' a
let credibility-money 0
2 E( ?/ b0 k# N( \- ]/ T Wwhile [i < people]& J4 P3 l" @7 E# F: [
[
* T7 |" K4 c0 Iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# X" Y* @& Z, @7 s7 {! Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; F( k9 E; O- rset i (i + 1)$ I$ v9 _4 B3 _ m
]
t+ B5 D. a# [. a; Rlet k 0" W. B# O7 Z {7 L$ j d* I+ R" l
let new1 0: {" b- y* M2 x7 A
while [k < people]' s. U: i9 n2 @% d; z" p
[
/ L4 A* N; n9 ~' vset 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)5 q% T9 B! M6 }2 w9 l
set k (k + 1)
; b/ d1 K8 N! c- A]1 \8 B6 N& w; |( \5 ?# T1 Z+ O3 m
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* D: [8 o& D) }$ ]" a bset global-reputation-list (replace-item j global-reputation-list new), Y: X _1 Z: P8 B
set j (j + 1); J. s& U* {: ~. V* d2 _
] e3 R% L( h5 l0 l1 C' ^
end0 Z8 K) X: t! g4 y" D7 M3 f: d6 O
* y& `3 l$ a8 P U1 p6 H3 g' @5 }) ~5 x& x/ O1 r
) \9 X4 X0 e; Y7 i! w2 F3 o0 Zto get-color; q, _) I3 |( H" @
o0 {2 b6 ^8 a( I" d9 G
set color blue8 s( Q! Z6 j6 v1 x
end& j7 Y; o8 |7 U
7 {0 V. X. a( [
to poll-class
$ l. n" u6 m: V1 Lend
& a/ d% J9 q* K/ I) y3 A0 {2 h% ^+ ^3 `8 d% e
to setup-plot1) x" O, m( G# [( l# |: ~0 R9 S
) ?, l8 _/ L- u( sset-current-plot "Trends-of-Local-reputation"; k& i: @5 c7 J' r* _- V6 X
8 G8 I% A3 z# W; ]4 o' ~/ O2 |
set-plot-x-range 0 xmax
2 ^; p- E: K( _( B3 u: d* \, N& s; T8 i u* S. V3 V& J! G( }6 G
set-plot-y-range 0.0 ymax
+ @. X1 Y* O% P5 F7 D" n u/ q1 n; C$ Dend: K% l6 a0 N% i# E
/ g }: j ~2 c+ s3 Kto setup-plot2' o( [" K3 i- \+ A( V2 u6 O
. D( G4 z" B/ l. O' T# Y1 \
set-current-plot "Trends-of-global-reputation". W! d) _5 A- x6 u" }
6 \" \% `* m" |: _8 \* J! Y ^. xset-plot-x-range 0 xmax( H3 G1 j; I5 {% J m/ _
9 r9 c& d" E% X8 w u
set-plot-y-range 0.0 ymax) e. d6 f* o1 C5 Y0 n
end8 R0 i2 S8 P; l5 b. K# I( ~
( P3 M: J/ F6 W, K
to setup-plot3
3 i: U8 |3 T3 T" [) |4 J( n& Z7 P7 U* e# l, f* E
set-current-plot "Trends-of-credibility"
: \! ]1 u& K/ M. Y1 a$ J. o. N* h
; Q6 n4 G0 D% Xset-plot-x-range 0 xmax4 ~# K3 W) W* F% Z
2 t+ r9 N" g. k: E1 Pset-plot-y-range 0.0 ymax
8 u6 f6 U4 t, j9 q8 x# U* hend
5 d2 C( ] b3 S! M/ Y4 D& S. _, w% b7 Y3 P% j$ B% @: O
to do-plots7 G8 h4 ?5 p, e, D
set-current-plot "Trends-of-Local-reputation"
8 `, ^7 f2 K! fset-current-plot-pen "Honest service"
9 j6 M; b4 I+ d# Qend
4 }% u; {1 i( p0 M$ J- x3 B. D# B" e9 V. S! R; W
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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