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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
( U% @3 _, K- d4 Bglobals[
' k8 j. e2 [3 S; b3 Bxmax
; q0 R+ v9 N/ e7 W4 J6 |( Nymax
' R! \$ l* `1 W) _global-reputation-list
; t, D% n5 y) z3 h% S) T' O9 A8 G
" E, {6 v9 m% @& P/ a) F) x5 T;;每一个turtle的全局声誉都存在此LIST中( l4 S, y$ \; Y5 i5 N
credibility-list
# c# A6 j" \9 V4 t0 n. p5 w' C;;每一个turtle的评价可信度
: y% r+ c* I# C0 @honest-service; @/ G" K5 k! `2 l' A( K. y
unhonest-service
1 _" F$ C; Z) J* roscillation
3 m- n3 U7 J N/ _9 q& yrand-dynamic& V) b: L+ R7 P% o' @' t9 b/ S
]
+ H6 v, H7 {6 N5 c
2 I( C7 ]7 G5 Fturtles-own[; ~4 {4 n" ?+ V7 {* U1 l
trade-record-all
0 U; w W, |4 f" F7 K8 ~;;a list of lists,由trade-record-one组成
) i, ?) h4 O3 d4 I7 c* O! xtrade-record-one6 W4 w: L/ {, y$ |6 w
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: o- \ y4 v! X, a+ o) i) P5 d M+ L/ n
;;[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]]6 p+ R4 z; s7 V+ K
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]
/ A% c3 Y/ z6 @3 n3 V7 acredibility-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
5 a7 |8 C" f/ i% yneighbor-total
9 Y3 {% [. Q; f;;记录该turtle的邻居节点的数目4 a6 L* M. V) M8 h* N4 G: J
trade-time- _0 l2 J) h1 Z: J
;;当前发生交易的turtle的交易时间: s. R* j% r& H2 o2 _
appraise-give
9 N3 ?) q* A! I' Y;;当前发生交易时给出的评价
* f: d3 s" C' a' O8 happraise-receive
! P. D' h" G9 g+ g9 f;;当前发生交易时收到的评价6 R* B0 B5 D4 N0 f
appraise-time- @2 `5 O; [$ Y6 p5 n4 G" m$ g1 V
;;当前发生交易时的评价时间% [5 R: ~2 ~0 g+ z- \
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. K9 {, |- T0 v3 G+ utrade-times-total0 K" {# i7 a/ L) a. `5 W$ [
;;与当前turtle的交易总次数
* x1 j% l- {$ v& mtrade-money-total3 t* k% p, v6 w8 ^* v5 A% A
;;与当前turtle的交易总金额
3 [ J3 A( N, Q6 Y2 j2 ~5 mlocal-reputation
2 w! M: A& A4 |global-reputation
0 \, {( N* Q) N4 dcredibility# ~" z: a( m5 C6 R
;;评价可信度,每次交易后都需要更新
P8 d3 g2 P8 F4 ]( x5 m% dcredibility-all
& G6 v+ N! ?# v! u! r5 m;;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
# l6 p) U1 n' h. }/ Y
U* l. x0 V4 C% U6 S$ G3 l;;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+ |* J# L+ T5 v# N
credibility-one* ^1 X9 l( {+ @& b" D& 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
6 H! J) I# w/ o f! h( tglobal-proportion% m6 m! r& X+ o) V, v; t
customer* X0 z; o; X# G. M. i
customer-no
4 m, ?# \9 c2 o- c& [( itrust-ok6 a1 c$ ?/ k8 ^, ~9 F6 b; x! M5 G' C
trade-record-one-len;;trade-record-one的长度
5 }3 h' e& C9 j]
R0 i B& a2 W
0 u3 j; ? S% X! ?" x;;setup procedure$ e7 \+ g2 P4 R( Q, v$ D0 w
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to setup2 N' W) v( [1 r6 i$ n: ^
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ca4 a5 `2 T$ F( `/ L- |5 F% h
3 V9 C2 P5 e, H. i8 G: a/ x
initialize-settings
+ `3 H' ?: W) |" [( v" ~$ B) h3 r% s6 y' o' g3 u
crt people [setup-turtles]
* k& k1 B4 `* }; R6 Z. u/ g+ R- X# s
reset-timer
+ Y7 J: ^- o$ \6 h/ ~1 E3 J V
% {! X1 j' n( @0 Spoll-class# c& V# f' [1 D2 y1 A
/ n, A) r5 ~% ~* o; \3 ^- R! g# }
setup-plots
" D& v0 e7 ^; ?7 L) o- G/ k
$ v& l7 Y% g& z0 Bdo-plots7 ~) |: j; \. R& e
end
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to initialize-settings, D. }7 ~1 ~( c8 j2 m
1 M1 e" ] X+ I5 t
set global-reputation-list []
6 H& e4 J. r2 N! p( T2 v
$ i% F, D: I- R: }+ mset credibility-list n-values people [0.5]
. |! j& W) L$ Z+ }. w! y3 X
H7 |. i. e/ }5 s( ^4 j1 Aset honest-service 0
* A: [/ v* o+ \, r+ ]! }
\; Z7 M. n! a9 E' O+ N& Uset unhonest-service 0
) y3 j s6 \6 M& C$ d [& k, ` ^+ y% \
set oscillation 0
3 R+ s+ i9 m8 _5 ]0 ]1 S$ E
4 @0 R5 W9 @" ^0 K! ^set rand-dynamic 0, b* X! Y; c& B4 h
end% B( Y1 I1 c' i% \8 G$ Q) D
0 A5 [/ D% [& ~; Z h- ?
to setup-turtles
/ ]% X9 ^2 f. |5 x7 G/ e, Eset shape "person"( z, L% A+ v7 p; ~* L
setxy random-xcor random-ycor
0 z1 D' J( R) B; u! Kset trade-record-one []
) p9 |; w- e* Z1 h6 M% \+ E
+ h- C" o8 ^; yset trade-record-all n-values people [(list (? + 1) 0 0)]
! `. z& q2 K& M
1 Q4 Z$ z f) A1 Y" Z& yset trade-record-current []
2 \& O/ i3 `) \set credibility-receive []
1 R# n4 R& u( y/ H% X2 K$ kset local-reputation 0.5
5 m9 Y, p2 n5 P qset neighbor-total 0
* P1 f- p6 Z: }( S7 oset trade-times-total 0& ~; K; {. x! H! |/ K, H
set trade-money-total 0& _. Z0 i0 _- E0 _* i
set customer nobody
7 ]. Z% Q0 N8 M2 G) hset credibility-all n-values people [creat-credibility]- L( p# Z+ `" S$ A+ E# B. N
set credibility n-values people [-1]
) j8 x4 f% V9 J/ T3 i% s3 bget-color+ l1 I. {6 T5 X6 Z" P0 @3 w9 I
c. K0 ^0 `7 }+ {5 e
end
$ t8 }, I" C- B1 P& t7 H* B( j: z. d P. I9 i
to-report creat-credibility
. O) l* S9 M3 U: M/ s3 Z3 N/ }; {report n-values people [0.5]9 Z+ `; }* ?; Q/ u
end+ k# ]8 l0 U4 e% M
9 R. O' ? S3 m5 {to setup-plots
& t7 P9 n6 h) O4 E+ W
; l% ]& h/ p" W; h! v0 V% ^set xmax 30/ v! P' A4 R0 q+ u( e
% W- s0 d1 }; t! Y u9 E& `+ Tset ymax 1.0
) W3 x+ l! h+ u) _! K
: O4 Q2 c/ |3 ~/ x7 F7 Wclear-all-plots
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setup-plot1
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setup-plot2
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% [- ^* @" h" t* S" o9 _setup-plot3
' J! [7 \' v* v1 Q" Zend2 C4 G2 a ]3 l6 m! P& B, q
- n( m% B& y+ s$ m- w
;;run time procedures) E1 a$ U. }. f7 _) S" B
4 L: z- v3 V6 } q% @! d7 dto go
3 J$ {/ r/ S- H) v {3 R/ @7 A w P. Y7 a
ask turtles [do-business]4 _& \9 j( x8 D2 o5 Y- e
end
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' k" f3 y7 F' ~0 A7 yto do-business . x, t3 L8 L9 q
, g+ n* O# j" n' }3 S. x& B J* }
, X; p, E k1 X- ]9 Z. W! _% `rt random 3607 f0 i& @4 ` d) O+ u! _2 y, T
( c$ N1 K5 L6 K" Pfd 13 |) ^7 p) w% j! H- ~1 {
8 L7 q- D* g- A& l9 G! E( cifelse(other turtles-here != nobody)[
+ j/ g- V* V9 g: p. `7 _
$ ]; X; T: p+ K( |set customer one-of other turtles-here
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;; set [customer] of customer myself- o& i2 i8 V; U1 n3 E3 L' k/ e
) J' g4 H8 L. A$ ], g; R dset [trade-record-one] of self item (([who] of customer) - 1)' U* f0 J$ K1 }: A# A# v
[trade-record-all]of self/ M6 q4 z( v, z7 q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self" z! @& U# O, ?8 U; a5 y$ J) u
3 U; a1 f! S1 P$ E2 R
set [trade-record-one] of customer item (([who] of self) - 1)
, j$ R, X5 s+ K: J* J[trade-record-all]of customer! z& B/ F3 i* T4 x
" U" _# N* c+ ]! A; X3 ?4 Dset [trade-record-one-len] of self length [trade-record-one] of self
: W0 p3 ?6 Z" D9 h5 G
; {0 a& ?3 I0 G1 {+ l) jset trade-record-current( list (timer) (random money-upper-limit))) ~" `4 y8 A- I8 n. C+ Y: e6 w' T
' T7 _% l7 _( Iask self [do-trust]2 I8 X/ h& K% s. B5 q! n
;;先求i对j的信任度: i i+ e# I4 a' `( M7 n
" P( m6 M& k$ _+ w
if ([trust-ok] of self)
8 X$ V2 @. \6 R* A;;根据i对j的信任度来决定是否与j进行交易[# J, o$ ~2 m3 r |1 U* I, O
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( A2 q; J; j* \! ?* ~
0 Q; P: e2 y8 C! n# |! M. I[1 h% _6 `) Z9 F, D
3 T& e8 M) Q. _1 Ado-trade y5 N6 t8 L' U1 b' j4 S2 `+ ~
7 F7 f2 G0 u3 ~
update-credibility-ijl: ]3 ^% u; t0 M x
4 x2 a# y& v- l8 y+ U
update-credibility-list# g0 h3 h" t3 J5 @! W
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9 Q. f$ d O2 K3 `. a
update-global-reputation-list
7 d4 e5 x4 ?, i5 F8 b# ]' c" v4 F6 G; I' \% M
poll-class1 E# d* A4 H7 }9 y; T3 `7 \
7 U" k" H( W; ~+ t Z
get-color/ M4 G- }! v! t0 b5 {( G
4 F2 ?" _3 S t" W/ e9 O, }4 a+ h- x]]
, c" t( ]8 G5 W+ s4 K% V
; I2 x7 l. y& o;;如果所得的信任度满足条件,则进行交易
0 ^. i4 S) \; `) |8 u: `
8 N7 k; k' o8 y, T- }. k' q& V6 z. z+ C[: K2 F9 C5 w0 k- A$ Q6 X
) z+ f* j1 O$ d# o0 b$ f$ f# E
rt random 360
+ m0 z+ O8 l6 v6 l9 `6 ?( P( U/ X: h
fd 16 B1 f" g, P1 \8 M) r& }
% K7 M5 S$ b, ^6 l* @8 q]1 H2 L- ?7 B* T# ^: J
; P4 ^! C4 a2 `0 C$ o- Hend
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to do-trust
; z! r8 ^) | [set trust-ok False" {) B, ^3 X u
6 C5 t+ E0 V( B' V
- ]1 f0 L: M) |0 r2 zlet max-trade-times 0% t2 A3 J1 C; T
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: x& s ^2 |' c# \! ~6 c
let max-trade-money 0% o" Y) Y' N1 W; {, B
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 f3 W# T6 u. u! |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
6 y3 V2 x" \ L6 c- d& d
6 Z6 D; K. V/ K% S) ?
/ L' N7 U1 G( G3 g1 w- I4 Kget-global-proportion
$ G3 t" d& i W3 ylet trust-value
. m( g& U' ^) E/ ]9 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)
0 m' |/ \; j+ A: m9 D [2 Xif(trust-value > trade-trust-value)
' z( V& V7 ]! G6 x! V. |[set trust-ok true]
" I. C3 M5 G% p3 Zend
- g0 D5 J0 K" y4 n) x5 `+ \9 E
9 K/ i3 b0 r. Ito get-global-proportion
' G+ ]5 N. V6 |ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)4 J N2 w$ V: q" I$ z
[set global-proportion 0]% A b- l% q0 _7 F# E' t, o' Q
[let i 0
: |) ~6 j$ \5 Olet sum-money 0
# T. }7 ]1 E. n G3 g5 {: bwhile[ i < people]
7 Q# S) b' D+ F. W2 n) W[$ n, v0 {0 R8 o+ @0 V# E6 ~& H
if( length (item i3 t1 z1 @. Z- s) @: S) c" R# T
[trade-record-all] of customer) > 3 )
X" f: u& `8 S0 Z9 k6 Y9 J[1 O2 i9 A7 `0 R3 y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 E6 L: p$ Y+ r; p+ {* B: [# _
]2 J/ Q. @9 C' B& ]9 g, @- G7 u
]$ B1 y9 z* C; f) @+ N; `) _
let j 05 e1 @0 {5 \& t' f3 g5 {+ K
let note 0- d1 `& M; P' H* p9 {; e7 O
while[ j < people]5 Q: K& Z' E. b, y( ]# `
[
7 `8 L( _3 a# \3 r0 v! {if( length (item i
5 d& `! n1 G& _( k4 ^[trade-record-all] of customer) > 3 )
! A7 D" U6 u `+ {[
- c4 P3 X; _: E( I+ e7 b& Z2 ?6 Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
# f! S A8 k/ [( W d% M3 T6 g[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 i( \$ A$ e8 _! s; J[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]7 c5 i1 o' t+ a5 y. ? g
]5 b* Y4 y' X& I1 ?* I. S
]
- D9 f9 n: @' k( u- Yset global-proportion note) N2 [- i; s4 E; a7 K
]
2 k5 [% P+ _' g7 rend4 G2 ^) U. j, g5 V0 ~
, H! x) H) K) U/ W2 F- C6 ]
to do-trade
* Q6 q9 F/ v+ ^- u4 N- O: A- m;;这个过程实际上是给双方作出评价的过程/ K, s9 C0 t7 R1 n# ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
( }$ `# ^# E) U: |( dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! J" h6 Q! D% P
set trade-record-current lput(timer) trade-record-current" z" p, p5 D' p
;;评价时间/ H. P) Y" ^6 v, ]' Q& Y C2 G C
ask myself [1 b7 Q, D) o x- g8 n
update-local-reputation
3 m4 H* q+ }; o$ e, qset trade-record-current lput([local-reputation] of myself) trade-record-current" X9 L5 V* Z9 R5 P
]
# S1 n$ C, e+ i; zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 F- R! u% j; i0 Y
;;将此次交易的记录加入到trade-record-one中$ o2 a2 |0 Q# B% L" r* G4 Q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 x8 F# N. b: D0 J% F' A% v
let note (item 2 trade-record-current )" m! o! _8 ~. y5 i1 N& r; N, J* k; D+ M* \
set trade-record-current
' t* L/ @0 l* b% ^# b \+ B(replace-item 2 trade-record-current (item 3 trade-record-current))& \, B$ ^- G0 m1 S# K! F8 |
set trade-record-current+ t/ Q% z9 m% s. K+ B9 Q/ {
(replace-item 3 trade-record-current note)4 e+ p" I$ ~1 u5 A
$ H7 l; t/ E% o+ ~/ A' J8 @+ A& `; {' h6 ?% N9 g, o- ?" D
ask customer [
3 f& P8 E$ U9 a9 t( S( R" pupdate-local-reputation9 n7 b1 b ?7 I2 R, e; [
set trade-record-current; ], K9 w( E3 t8 B* M# l1 S- h
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 w2 a/ k0 h1 x6 Q]
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, |' ?, M0 V+ |) f) @" n# G' w
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: C( D( B+ F4 O( \% H1 R
" K7 X, {1 P2 `5 ~1 _set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! v8 n5 T8 T* K7 U+ P6 I;;将此次交易的记录加入到customer的trade-record-all中. l3 b3 w+ X' Q/ K1 T9 p
end
, G/ I5 ]: h3 M1 T! [7 F& A
/ J. U3 u* X' h2 e8 L+ m- S8 E, zto update-local-reputation& K# ?& j0 f" Z/ [
set [trade-record-one-len] of myself length [trade-record-one] of myself6 I' d0 R# l2 i) t8 g) {/ L
U! y9 v) t5 m9 I/ E! h {4 N! k! r- l
; H! L8 v d8 |. T4 ~
;;if [trade-record-one-len] of myself > 3 , ^# J, ?6 b$ e$ V O8 z) s
update-neighbor-total
% n M# c: a1 y/ c6 @6 j;;更新邻居节点的数目,在此进行
3 [+ c" e/ m7 o; K0 d, {! F8 ?; Nlet i 3* H0 W x/ [5 R+ ^. O! p
let sum-time 03 a1 p/ _. ^* m8 A% v$ ` Y
while[i < [trade-record-one-len] of myself]
) x( G: o; \3 ]( n m[
. |9 M1 ~5 j p4 g9 c Mset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
0 k6 b' o: a! g4 V9 v* \set i* `; p+ a% v; }% r$ R1 z7 A3 r0 K. G
( i + 1)) S Z( B5 C2 l/ l; T; C
]7 U d Q% G/ s. d
let j 34 }! E2 e; |% R
let sum-money 0
* w v* o" o- i9 r5 lwhile[j < [trade-record-one-len] of myself]+ V1 {9 h- m# E* l+ u k
[
6 [5 ]; E$ R; c2 c* D( p1 }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)
@" b, G8 d& i: g/ M2 x) J+ G4 Cset j& I4 I3 R8 C0 N; c( i
( j + 1)
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0 D6 E! e; ~, W+ A9 Llet k 30 u0 l! B% J; U/ l
let power 0
Z- M4 `. i" T& q" K b2 Tlet local 0: \$ q7 n4 Q- `5 h6 l" O
while [k <[trade-record-one-len] of myself]! [. [) r# d( E& U0 v1 q1 k' S
[" r) D( K" t* x ]6 J% ^0 a
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) # k3 Y' p$ B& A: ^6 k2 P2 ~
set k (k + 1)# r; r2 a" W6 l, f1 Y
]
3 A7 j5 ^' T. N! Yset [local-reputation] of myself (local)
u5 k$ P W3 L' K# qend
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to update-neighbor-total% E. s: h! V: G% T$ r& ?4 x
- R6 P. h$ F, i( C2 z& nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 A0 y" b' S4 ~& \! Z) f
# i, y$ E4 J& ]0 n2 [
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end" g1 V N6 {1 |+ b
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to update-credibility-ijl 2 G, _4 f: @3 _& B( @# l
6 `/ a- E+ D0 \" K" M
;;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。
) J3 b& k) k" _5 glet l 07 f( \; y' V% Z8 ]& R$ E
while[ l < people ]$ ~, t& B2 F( ^8 {. F
;;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
$ @ q# j$ A& z& R[
+ u$ u+ ^8 L" e9 E4 L; Z8 Nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer) T9 J% l+ `+ q9 G
if (trade-record-one-j-l-len > 3)1 |7 ~0 w/ ?2 l
[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-one1 S! U, u- V7 ] L
let i 3
/ i( Z" z s0 x a b( l! O& ]2 @0 wlet sum-time 0
8 M. N4 t$ @: B7 @+ u; Xwhile[i < trade-record-one-len]
" E' C6 k4 y$ l4 x q, b, _[
- r; l& u" ^' Hset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 y5 I; [- W6 @2 v+ D* m3 {set i
7 {7 ~: r4 r; L3 ]8 i( i + 1)% D( r9 t, i2 d* [4 s
]
U* S' o& T. f9 g. u: vlet credibility-i-j-l 0; q( S2 W& j+ r* |8 I4 U
;;i评价(j对jl的评价)0 v: \% S4 L+ [ q
let j 3
# H+ h6 d) e" Dlet k 4, H3 h2 E. n/ u" y/ g2 b+ p0 z
while[j < trade-record-one-len]% T8 k% o- V* g" X! @: P
[
% [: X) e- U H# z1 h" [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# \ X5 ^# Z) S3 \2 h3 g
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)
9 g; W# t1 U8 Z K" z$ R, dset j
8 [; ]* h& i5 m+ ]" S( j + 1)
; o0 u) R% Z; k; ^2 V# U]0 n% Y# Z# m( O$ m, U, 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 ))
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0 }5 P3 t+ l9 O, m t# Hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 v* F7 g9 Y/ H' R/ Z, S;;及时更新i对l的评价质量的评价
8 z/ `5 P. p+ P2 i1 Bset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% H+ J( f, s! f8 Y" D
set l (l + 1)
1 L* `/ Q4 W( q# `, C% J2 Q]
J$ g( z8 _+ l$ ^4 A* jend
/ J M6 z' }, T7 ~6 o
3 K v, C" i& w! Jto update-credibility-list
: Q7 {+ s6 Q# \let i 0
0 G/ x' I- |7 L6 G3 E. N4 bwhile[i < people]
+ V6 V1 @. t' }3 u G; x; t; G6 Q[
# x, H- i+ `8 _& }let j 0
; X2 y1 q8 @5 [* j1 Elet note 0
4 E9 Y+ s* y: }) L' E! r* Hlet k 0; e2 V8 q6 L: V) h' K8 E
;;计作出过评价的邻居节点的数目
1 ]7 F9 y4 P! D. G& T7 b9 swhile[j < people]/ c) `1 D4 V) G# B
[3 `2 \7 t- c% z/ S5 ?; Y2 q* z6 j0 W
if (item j( [credibility] of turtle (i + 1)) != -1)- r3 Z5 _$ ~! w v; G) `* X' o
;;判断是否给本turtle的评价质量做出过评价的节点" _/ i! {7 o& e) H; X& {0 S
[set note (note + item j ([credibility]of turtle (i + 1)))5 |# e. A( Q7 n8 [% I- m# N; S* `
;;*(exp (-(people - 2)))/(people - 2))]4 P( E1 C4 X3 J( s* D% V5 Z' Y4 Z
set k (k + 1)
1 o8 D3 M1 k4 n1 r% h& h]' i0 I2 L5 e( I! d4 @0 @; ^
set j (j + 1). J9 o) X% w5 f' n" T2 l
]" Y9 A7 ~0 l! I2 `1 V! s
set note (note *(exp (- (1 / k)))/ k)2 m+ M' |( A( b9 V" {
set credibility-list (replace-item i credibility-list note)+ }4 ~* a/ ~4 n$ h. ~3 l* y
set i (i + 1)
, C( e' m3 `% u3 d2 @]
% U6 t9 U4 p4 U' Hend
8 n7 c! ^, ]2 S, C U' O& O" ?( o' z: k/ P
to update-global-reputation-list
/ l- {5 ]4 G8 {; s1 klet j 0
. |! h+ X7 i+ k3 g, kwhile[j < people]* {6 E. w7 q4 Z, M7 F
[; @% a# X$ X: A' i
let new 0
7 v6 C9 \- p4 z& J @7 s9 {;;暂存新的一个全局声誉9 o- p" D& u/ y3 W5 f
let i 0
' d" i1 U$ ^5 r* y8 ]2 ?let sum-money 0
8 y& j5 u8 V: g5 l, nlet credibility-money 0& Q4 o) c6 e! q! {" F! G, T
while [i < people]' h# R: [) [1 c' I
[" V `, q, B3 T
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 z" ]# i3 X4 p8 F1 h+ { T, O6 ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 C% V4 [: l) A) H7 v. u1 Jset i (i + 1)
5 G0 D4 F. U B* [! L6 p]& s+ R/ i" `7 ? b& f) i7 o
let k 0- O/ d' p. Z3 d# _* Z, A1 H* V
let new1 0+ H' r0 S: |: w0 ] E2 R7 t
while [k < people]( B1 e& i9 p6 T4 B$ S
[; u4 ]/ k' `6 B& H# f" }/ S+ I/ i! }
set 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 B" a: c" A: ?1 k7 H/ b2 z$ J; Y3 Pset k (k + 1)
5 q% [' D( w* x) L) E' J! i. m: y]
+ Z" i0 I( {8 L+ v, Tset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 z6 p4 Y0 T* h( T! s& I
set global-reputation-list (replace-item j global-reputation-list new)0 P% [9 F7 x/ E0 T7 a) _% @
set j (j + 1)
( }+ u4 O. w+ T+ ~3 c8 U$ V) M]
8 K# q9 l' w( y0 }end* @1 s2 i. [6 z3 O; [- {
; Q0 h0 N0 i5 V& ? G/ y* V; w
( v( ?. q; C; e9 m9 x) ]7 O# ^4 M1 k b2 S
to get-color) U( i( e! L& T, i: w: S- }
! p( d8 j9 s% A( y5 z
set color blue* v: t$ @: W; I$ W. J( F
end
- a, }) p# M' O( \+ ]& @+ s& Z' Q$ ?# F4 H7 a2 N( `( F. U
to poll-class
! ?/ L7 Z. {8 L U9 k- Lend
* s- D( |, t8 S, ^7 }# C6 Z
" h! ?$ s/ c1 Uto setup-plot1! [" Q% g/ n1 L" d- E+ r% K3 u# p' N- C+ t
9 U; V! p# {$ |; _0 Xset-current-plot "Trends-of-Local-reputation"0 _( n% C4 b4 f1 l( P
4 {) H# y$ U+ V: V' j$ D3 z! c
set-plot-x-range 0 xmax+ [4 k# x1 ?2 @& c) @ C: P5 G
, X0 T7 H; e, r; S: xset-plot-y-range 0.0 ymax7 l% x- @: H! g! ]/ I
end8 W$ G2 O* l( n
$ ]! h2 D0 l! H. {& M1 L
to setup-plot2
7 e2 ^3 M. n! B8 J
( Z/ y. l) v8 I, `; Jset-current-plot "Trends-of-global-reputation"
0 `, G$ H" ~3 u: P" z; F' M5 U' A t J. ~& l
set-plot-x-range 0 xmax) c7 M( J; E1 n3 [- Q
0 T# n2 H. G/ ?/ k7 d7 W
set-plot-y-range 0.0 ymax* H! x7 q9 ~9 ]" m6 A
end& k; P g" M* E' n/ }, ]/ P' z
# H' E' B& p3 ?+ y, Y; o* M
to setup-plot3
6 E4 F2 e; H+ t" G4 `
1 h. d+ ?; j( q9 U6 _set-current-plot "Trends-of-credibility"* F* \5 p- i$ J. D6 d& n# ?4 R$ e* P; V
$ J- c& t% q% Z9 ?1 y! yset-plot-x-range 0 xmax
3 {- S5 p' }" {& ?5 w: k
' t6 [, M1 t, T; O7 @set-plot-y-range 0.0 ymax
J; D. y2 X$ S; t7 M* l& I: mend( s' j# {# a9 }' [6 j7 G
! Z6 q2 o2 F/ `# t D* }) kto do-plots
: S5 E) K3 Y: G$ R9 m& o) yset-current-plot "Trends-of-Local-reputation". }+ G+ |* x1 T
set-current-plot-pen "Honest service"5 ~* O" B6 t) |; j B
end1 B/ i, F/ O: \: r: x6 D0 g
8 C8 U5 a$ d. U4 d7 Q# I; g7 M
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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