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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8 p" N! L& d+ N6 g1 C8 a u4 Z4 H
globals[
7 Y, X$ v+ N: N0 J5 c8 i* sxmax) j( S3 a* s& i& a
ymax+ k$ J. z# W) O% [6 q
global-reputation-list
5 l1 j" r0 M8 D& y1 b
9 o) f1 y' G4 ~; g9 C; T;;每一个turtle的全局声誉都存在此LIST中) |2 M8 n! ] e, J) q% j9 z# S
credibility-list0 a8 w1 }' v) N% o; r4 h
;;每一个turtle的评价可信度6 O$ \' Z1 O: i
honest-service
g$ y6 O4 Q2 |4 Iunhonest-service
9 l W R+ G4 r6 Q ^oscillation1 v! M1 _, d) a7 ?% {
rand-dynamic- S. ]- ~1 O1 O4 ^2 R' f
]
7 }- e+ l5 v$ h! G( ?6 p
$ [% C0 k8 D" k6 X# Y `4 Eturtles-own[
w4 H0 X a- y3 y& t$ l0 \; j9 `6 Jtrade-record-all
. {" S# m/ q* p' j;;a list of lists,由trade-record-one组成5 V) n' T) N0 O3 C, T" e4 G( G+ o
trade-record-one) H l+ |+ E8 I1 f
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% E$ {# o' W+ E% L$ ~; b- Y8 r1 q. U& y, W$ l' l
;;[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]]* U3 ], k2 p6 |$ }) M! \8 S
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]$ b9 V7 s& S# O3 K% o1 s& Q9 O- i
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list7 \+ x" ?" y9 u- Y3 W
neighbor-total) ~- Q. y, f$ r/ P
;;记录该turtle的邻居节点的数目7 X- R5 p: \, [" _
trade-time L2 b1 ^ t8 _! z/ m, z0 H& F
;;当前发生交易的turtle的交易时间
M$ \5 \ k7 ? C: g, `* `/ Lappraise-give
6 R' q' u" I9 {1 n) w;;当前发生交易时给出的评价
$ U5 Y: P0 c* G5 |7 U+ _ gappraise-receive
+ u3 ~" v8 x& s% X& X: h/ i; ^;;当前发生交易时收到的评价% @* e4 O: r( a @ J5 G. h
appraise-time: h2 z7 T$ z8 F k1 x6 t" `
;;当前发生交易时的评价时间( B7 \ v) f6 N$ [; ~' `% c
local-reputation-now;;此次交易后相对于对方turtle的局部声誉& v1 G8 j+ h% R4 x2 r
trade-times-total4 u6 p. B) A- @7 ]$ \
;;与当前turtle的交易总次数
" R& E* @1 S6 D; S$ Vtrade-money-total- g8 T0 E; j& n, O+ ^2 N; a# L9 B
;;与当前turtle的交易总金额
, X- p: b* |0 h$ K l8 ^ e) q+ }local-reputation- x% c4 [6 y+ t. n" G% i3 W
global-reputation
" g- T" E" X/ s* D( @credibility U- D8 t) j `" q5 w- D4 Z8 a
;;评价可信度,每次交易后都需要更新
" \3 O6 X4 F% A4 b. { Q5 v) J% C3 Fcredibility-all" o. ]$ o8 w, S3 U% l8 H! u! S
;;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# u; C4 }5 a/ `+ |3 E
]. t+ r+ v- _) c( I) ?* B
;;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
# l5 H& G& G. {& E6 k6 k* s6 o$ Qcredibility-one
$ R! C: ~5 i- t4 s+ _9 K0 |" ?;;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+ z2 v5 t' J' h' c" h. C! L
global-proportion5 M9 \5 f0 j, `& C/ G
customer+ r/ @* c. C2 R$ y' e
customer-no! H* r& @( }& a: C
trust-ok
( q" G5 B% E$ V% g# ~# `trade-record-one-len;;trade-record-one的长度
+ Q0 }/ u& y' W& |* Q% A5 B5 D]
+ }! J8 H& M! c5 {- H7 M
8 { K+ ?" h7 m! L* B# Z;;setup procedure. L$ P" J X/ p
" u! v, ~7 I) ~; y+ Kto setup
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ca
. K, ~; f" Z6 }* `% Y
) _# `4 V+ v Z9 Einitialize-settings
9 q' v0 v/ x$ K5 n, B
" U8 r2 l n) U5 t* C- Tcrt people [setup-turtles]
! F* p B1 K4 M4 l9 s
- M( \' Q: X ?reset-timer2 c5 S% b7 O" k. O1 H' v# Y; p* Q* g
( n# s8 y* ^9 s- `* ^/ i# Spoll-class
! }+ Q% o4 l# ]* \
2 p7 d+ X& w3 C: g& Msetup-plots
& q$ b" K9 u0 |" F
( N* t" _- g7 P: V9 r& Kdo-plots4 o* X3 }) L( z8 h
end& @% u- [; _* Y* j" z- w; X2 }
6 n1 w1 a' z) N6 s" k2 E0 P# Ito initialize-settings
/ W1 i0 S; P* b7 F/ @
+ g3 i: b w- jset global-reputation-list []/ n3 i! L+ O9 p/ e# u
9 I+ W; r9 ~8 N5 Z+ G% S; K
set credibility-list n-values people [0.5]
/ |3 i3 X- i) E9 {8 ^5 B# ` R: ~( p' b) P) j! r, `8 e6 w% y7 X
set honest-service 09 D" ?9 ~1 S5 F, p% t8 G" b# s
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set unhonest-service 0
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9 P' q9 Q2 E3 g9 p, u3 Bset oscillation 0
5 f+ d* H8 t2 F+ m; M9 P7 y$ y
T& s- @ h w) `8 N1 \& zset rand-dynamic 0
+ z& d- W) l- i0 m- send
$ V8 s# O4 D8 r4 w h7 M% t5 K, M. V1 J8 G8 s. ? `3 _# N! h" p
to setup-turtles
* _( f; W3 o w6 K# hset shape "person"
1 l f: q! `. n: J. R" q( isetxy random-xcor random-ycor3 P7 L% x9 P- q7 C, M" j
set trade-record-one []9 B, ^2 J7 o) ]' C9 z7 e' w
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set trade-record-all n-values people [(list (? + 1) 0 0)]
% t. E- t4 p, v- y, `) ^
2 O& | h5 A9 S. `: d. W0 e- _( Sset trade-record-current []' `- m, W9 M2 E
set credibility-receive []
& Q( X& F/ C2 rset local-reputation 0.5
+ S ^2 k6 v% B2 U. r6 }) b$ l' Yset neighbor-total 0' V7 t* k. i" n* B$ i8 Q) p
set trade-times-total 0
( d: o# M4 z f4 ^6 h5 s/ h+ Lset trade-money-total 08 X& a* n. Q4 j' {; W
set customer nobody8 k# Y" t5 y, S8 N! B
set credibility-all n-values people [creat-credibility]
1 s3 f6 ?- y$ Y. g vset credibility n-values people [-1]
% ]; C7 ~8 b7 {4 `% ^get-color
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7 |) Y' K7 c( a1 J5 ]* V: dend
. f: p5 V! z( ]8 f* _& E& [
/ B9 d5 D3 E! |/ oto-report creat-credibility5 \+ \7 R# T, T8 p% r) j
report n-values people [0.5]
) p R% e' O' x) i5 W, O1 Bend
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to setup-plots% E' R/ ]! p7 Z7 C4 k
) _$ I& G8 ]' T# w" `0 T) A+ dset xmax 30
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5 H k/ J3 v! k2 dset ymax 1.0
2 u6 b- L2 {6 ~% u x% M" j
# ?8 F0 u. u& O5 m7 F3 S, I! }. qclear-all-plots3 n' E4 x$ B- ^. C9 J1 h
' v9 F3 i! V# k6 p9 t; qsetup-plot1
+ |7 O! a7 [! G. [9 J" {% o. E" S' E' [8 ]( I
setup-plot2
0 o8 H7 j* C, b( Z5 V
' K `3 ^) L7 w2 y/ osetup-plot3& l2 h* [3 Z6 w% i! l
end% V! K& _* `( x5 `7 u
3 [* y5 s% e" g, o B& ?! C
;;run time procedures/ v$ o9 y4 O2 n8 p( f4 k6 E, v Y
) t* f* s/ l6 w1 Pto go- m) R" _, J3 ?& {
+ p+ s( f/ G0 y* T( t' o
ask turtles [do-business]" E+ E- j# R9 p5 {
end0 j+ R3 j4 M r1 L7 ^6 b/ }' S/ f
/ D/ B3 U& d7 w# g8 r& dto do-business
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1 b3 V# a- S9 M
% E. |* k% m6 _/ X# Urt random 360
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fd 18 s& p$ w ?4 ]
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ifelse(other turtles-here != nobody)[
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8 q ]1 _' ~, K- I- f8 B: jset customer one-of other turtles-here
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;; set [customer] of customer myself
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. c4 Y3 B* X" @. W& \2 ^7 Fset [trade-record-one] of self item (([who] of customer) - 1)
' K: T, U/ [: {( `5 p) `[trade-record-all]of self
7 T J. ]6 A2 k# Z# r" K# T& D6 U;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. ~; N$ Q" ?+ a. H) a3 j7 ? o4 U6 l0 S0 o9 O1 e) M, f3 c
set [trade-record-one] of customer item (([who] of self) - 1)
3 O9 v. ?* X+ ?: d[trade-record-all]of customer
; g$ r& ^3 V8 I
4 A7 D! d- E3 z a+ }6 Cset [trade-record-one-len] of self length [trade-record-one] of self7 o1 c+ o9 w8 v
; T' B2 E5 q8 [# q5 U# Cset trade-record-current( list (timer) (random money-upper-limit))
( g z$ N1 G! C% }2 y9 O" z
}% _- @& M2 g" jask self [do-trust]6 m$ v8 x) n: Y$ F; h1 o
;;先求i对j的信任度- l+ z, h* w% N* R4 s
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if ([trust-ok] of self)
8 |3 M' b2 W9 p; R0 I6 \' |$ F;;根据i对j的信任度来决定是否与j进行交易[
* H8 [. L# K7 F) G0 U/ Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) j4 A0 ^3 h* z; ]- n. _
1 e; ~8 g' }% w[
! Y/ I) z0 O0 Q4 R3 x1 ^8 i0 ^; T: j4 Q2 T) h
do-trade
1 j4 _) v6 D6 [& \, v' ?9 y# U7 M) [ o# j6 j, [) a. h
update-credibility-ijl
$ l! v$ Y# p" w2 N# k6 l
. \5 }) f3 W6 B# x, ?7 M; R! b7 nupdate-credibility-list
7 d1 @/ _( ]( e! Z& {- S' ~- H, l; N8 O/ D
2 R/ O% a$ B3 Z, D4 \% Z" }update-global-reputation-list( o( E" w. ?2 v4 D
: l* @9 x& v& d& Ypoll-class M( O% o- _) K* j" w* u n
1 }( J6 m* C+ |3 [5 z( P. L
get-color- q2 q5 C6 i% B; W$ H( J
; |: s. N( G/ ]) m
]]
) ~( t' J0 ~) {+ Q& \" a& @# T. r [+ C; s% t* u! i! M* E
;;如果所得的信任度满足条件,则进行交易5 y @9 Y8 K4 H
3 W$ i9 x3 `; _, Z) T: t0 D[
8 @( ?7 k6 p" h' j* G* x; V
3 ?1 E# B A, D: i! V6 i% |rt random 360
, R6 U* C- F+ y, G' d$ D. ^$ C0 a$ s! q
fd 1- v6 F6 y o P
6 M$ x3 @ z5 T( s$ G7 l
]8 E* S) p ~2 ~
+ c3 \5 w* \7 }; M
end; |: ]$ U1 V/ ]) n( L6 |( _8 q
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to do-trust 2 O {& l, ~3 L& G' o
set trust-ok False
! V, ~5 C$ z* Z2 s4 S0 [4 }
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* `) p' i! r! t" rlet max-trade-times 0
: Q& r) A- L0 f1 q1 `foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
* k0 d! u1 q7 L' V2 B& ~( ]8 Flet max-trade-money 0
9 }- E' n( y1 Sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 p8 _7 E& P3 I; c
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 `* S% N' @7 a& b1 e9 G- Q, z
- W. @1 m. u2 `* c2 z0 e$ O& i0 H8 x* `% P. P/ g
get-global-proportion
9 l, g: U) T$ z' Flet trust-value; D, x& W& I I3 ]9 ?3 a9 }5 a
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)
1 g: b' t3 H& v3 [$ b) c: uif(trust-value > trade-trust-value)
0 O- u4 r# N" ? P0 W5 t8 {[set trust-ok true]
: ^& x. L; A5 e& Lend
! j- C9 @- |! d3 [; k6 N5 a. \7 C$ I$ [7 O% |6 C7 x
to get-global-proportion: y% w( A5 Z/ K, D3 x5 J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; k: w& U$ Q* a! W3 T/ U[set global-proportion 0]! |- r f- B7 V% ^9 _( Q
[let i 0
1 D( c F i8 v+ d7 P8 rlet sum-money 0
5 W9 s$ S1 ]& |8 @, H* `' Dwhile[ i < people]7 B( T; A5 |+ r5 ~+ Z& V
[& i a, d; l: w3 \
if( length (item i
5 [7 ?$ d9 z1 L" c* a[trade-record-all] of customer) > 3 )6 F0 T3 t( s6 p8 S
[8 L' n9 M Z8 A) A7 E' e
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 p1 _) H# A9 }. z9 r% _]
& w& P8 ?+ o, F/ x/ X7 }7 o) r5 M]
& M- n; |* d p& @/ a, Rlet j 0# Y5 ]1 x: u$ c0 X8 Y# \
let note 0# E t W8 O6 c c% y+ ?( t0 P
while[ j < people]: }2 L# M2 G6 z' F$ o
[ J' o C' P# |. q
if( length (item i6 A% \6 G) v& Q# @+ y! a
[trade-record-all] of customer) > 3 )1 f. k$ X# E& x( o2 g
[
9 H6 f, y* e3 i0 Y$ D5 cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 g, B% Z; z2 X$ Y, c[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 A! H: L: k$ m4 O0 A% d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( t- ~- I' B9 Z: X* u! g1 P' o. ?
]
* |( G3 B9 s: Z* F V+ }2 g]- x6 c0 e9 |# V( n
set global-proportion note
" t$ B, l! e( ^5 _) d& \% u]+ I& P! \+ D5 l& q& [" {
end: x( Z$ N J8 W& u6 {1 `' b
9 t* j) g" B" X) i3 e
to do-trade7 h8 k( a, U/ o8 Z- x j5 h( z
;;这个过程实际上是给双方作出评价的过程
9 ], _6 Z+ I; m: G9 Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价, S1 q% U3 S$ i0 ^
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! X# W5 U, V: _! C
set trade-record-current lput(timer) trade-record-current. c5 p7 B9 s9 Z' [: `/ g8 e
;;评价时间; m5 }" y0 ]2 h( ^) b6 {# P x
ask myself [% b- U( }# }: f" C! f
update-local-reputation
) Y( V! s/ T" m) y* zset trade-record-current lput([local-reputation] of myself) trade-record-current2 G5 y" j8 h% [* C1 Q6 H7 `
]$ H9 v+ S) o5 L9 I
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself5 U3 C" ^) [0 d9 R* H4 F$ ]
;;将此次交易的记录加入到trade-record-one中
5 p8 E' ~8 L6 D5 q; Dset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* K) b% P( m" I- R3 hlet note (item 2 trade-record-current )
5 R2 P) ?4 |3 Y3 Y" z. g; ~set trade-record-current
' s+ d/ ~$ j- e! Z(replace-item 2 trade-record-current (item 3 trade-record-current))
6 V6 N9 @! C b6 ^! Yset trade-record-current
# X' M7 Q! z3 F(replace-item 3 trade-record-current note)
6 n) C4 R$ x7 J6 q' K5 \
$ b: P5 ?9 i/ Q* V* G$ M) L% m& p. X! C. ^& e( ~4 H7 a3 u1 \; w
ask customer [
; C. `, Z; J; v0 {7 \% G6 n: o+ kupdate-local-reputation
+ Q( f( I) o; v( v2 a8 x4 s4 ]3 Zset trade-record-current Z+ q, P P9 J2 ]1 n7 C
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% x& d' T( L' {6 F]% I+ s4 f1 B9 Y* m6 ?0 Y0 Z9 A
, n. J& G7 g' D; |
) z/ e2 t0 y9 Q: a' Uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; I" S1 r N3 L
/ [! ]# c7 c3 K/ o5 @% |* g
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 `6 }: c! g+ L% A* e3 e6 d" o
;;将此次交易的记录加入到customer的trade-record-all中
: x4 @0 C/ Z; K9 hend
5 t- O4 v7 ~/ R& e! y1 }
$ L! g/ t0 _; Z9 Q) \2 r+ G# ]to update-local-reputation) V8 _5 G8 U, u% L. c+ Q
set [trade-record-one-len] of myself length [trade-record-one] of myself
8 b( s) N& N9 b/ h; D6 T0 z- G4 g7 ]9 y' G j7 y- f
/ w9 ]& P) w# Z$ e
;;if [trade-record-one-len] of myself > 3 / ?: m. I8 r$ n$ S7 n( I
update-neighbor-total
6 ^: A T1 W( t% W0 Z;;更新邻居节点的数目,在此进行 m6 ?9 A1 F! N4 _; d# O" g" C
let i 3
! s, [9 G" t0 Y+ Xlet sum-time 0
. N8 @( \ ~8 K. H: lwhile[i < [trade-record-one-len] of myself]- x3 N, j9 i3 P& Z
[/ l4 D" z- z) o, a. F* A
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )# E7 g! v3 H. a9 W
set i
% N' K; L9 `- J( i + 1)
; w* }5 E3 _' W]" l5 A# z8 J) \
let j 3/ G$ r$ d' N) ?+ l+ H
let sum-money 0- g4 T8 E- l- f c! t
while[j < [trade-record-one-len] of myself]7 B! k, E0 J& Z% `
[
3 K, K; s ?: @, ^" a I; \- C( gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)) n, A' s4 w% B w+ l$ {
set j
a* Y/ G+ _, ]7 Y2 `& C9 U( H. l( j + 1)+ z$ ]/ s" d* ^; C- I+ A
]1 y" r. ~! F3 P# `9 W% G( X
let k 3
3 q A, a# N; c* _let power 0- C# v) z( w! f
let local 0& }) q4 W; B7 f" e7 r
while [k <[trade-record-one-len] of myself]
# } j/ I5 g7 y9 }, t, u, b[7 x. X; o! b9 |! 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)
B) u+ D0 m: R3 v0 R3 eset k (k + 1)
1 U1 {5 X* B, l* ~. W q2 f% D0 C]
$ X. \* ?+ A7 X2 B0 g' {# B% pset [local-reputation] of myself (local)+ i1 j. ?. z3 h! D3 @
end/ J0 z9 q+ _: e7 Y% C2 y& x
, u9 O' u6 @- p9 b4 @, ~& k [to update-neighbor-total
6 X+ y! [& }, V. e2 W8 W2 x( A6 ]9 J O0 B
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: ?6 H9 }1 n( V4 W, Z
* ]* M& ~" u. ~6 \9 S9 i$ K4 S
5 h1 q! B; @+ Z/ O' Q7 Qend
. ?2 q+ u" [( ~8 M% B3 V
) v6 u( X1 x6 s8 g2 w" nto update-credibility-ijl 0 a! {" _1 a+ m/ D/ d+ ]
3 {. Q& f+ @( m' I
;;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。
- n( F, M. e" @let l 03 I. L* X0 q* V& P* D! S: s7 ?2 J# Y
while[ l < people ]
' e- W1 }# b: _% r$ ~;;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
) A2 ?0 S4 v' d8 A[
3 @; U2 R/ h5 I+ l% Alet trade-record-one-j-l-len length item l ([trade-record-all] of customer)! h C- U4 z! w' _
if (trade-record-one-j-l-len > 3)
% D! L" ?: x7 k. Y0 R; f7 X2 q/ _[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: k" f) l: g9 U$ s( b6 z% T1 U
let i 3
2 o, x$ t6 c n4 L; d; rlet sum-time 0
0 L; ~0 L! u; T- H P: O% F) Awhile[i < trade-record-one-len]
/ Y0 ~" [; s, S[
- a. n; f8 [- l. ]4 e; Oset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ). s, w# L; _' t2 u
set i
1 H9 {9 {8 U- e/ a( i + 1)
! c7 m) s& c& q- ?) ?) D2 Y! L1 J]
L9 R* @3 h! ]( S9 Q" \; H! ?- ?/ Blet credibility-i-j-l 0
7 h$ o/ Y0 t4 k! @;;i评价(j对jl的评价)
6 l: ?- S5 q h$ alet j 3
9 W0 A1 V7 ^. u7 _+ k# dlet k 4& v3 }; {2 C' T- E, @' C
while[j < trade-record-one-len]$ q3 L, `0 n% \8 e m; K
[' M; ]+ W3 i6 B9 p* _+ E
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
! n0 {6 b+ F U0 _( 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)9 P" g/ E( O7 f
set j
5 h4 Z! I! R z# k4 G: f( j + 1)
2 Z, b+ ?; j5 C3 G* S]
% X# a+ G6 q) C2 Q( J7 r: h/ x& Fset [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 ))0 B+ t7 K/ b1 J+ T0 r: U
8 z# [1 v- }) v
" I% N0 _, R3 F& Z! E8 N0 l
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' E* a5 e* C$ m; w- }
;;及时更新i对l的评价质量的评价
; G. X/ ]+ u9 P4 x$ \3 ]set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 Z5 J6 V& F' ]: o7 {+ d) m" |
set l (l + 1): Y1 y. [' T* G+ {' i# v4 E% U [
]+ T7 k% z+ x0 p E
end
' r3 ~" a6 r9 f
7 |$ @2 X- i5 gto update-credibility-list
5 |9 H1 F% x% y/ g7 B: K3 Klet i 0' p$ {& @; `' s/ k
while[i < people]
3 B, J' Y- M! j7 { L- ?[& q' d. g% I% J5 V) L. F4 h1 g5 d
let j 0" R% a" l) ^ H7 T
let note 0
' g! `& } A* _7 e, x* U" Rlet k 03 u1 u6 M# M, W, C
;;计作出过评价的邻居节点的数目
( a( }( c9 K6 Rwhile[j < people]( v1 c1 t3 E, N1 P
[
1 k5 J; L4 }5 R, P& uif (item j( [credibility] of turtle (i + 1)) != -1)
+ v! G5 j" k( g+ |;;判断是否给本turtle的评价质量做出过评价的节点7 }7 n: E$ e8 b6 H2 R; U
[set note (note + item j ([credibility]of turtle (i + 1)))
$ U" p, i4 ` }) H, K1 h;;*(exp (-(people - 2)))/(people - 2))]
& b1 \$ T& A0 f) M9 ~5 sset k (k + 1)
1 ?6 d# S5 L9 }- ~]
- ^0 m" F1 R! B2 p0 Fset j (j + 1) @7 ^! ]0 `) O2 v# W& w7 U
]% y( W4 s( @0 f- O) t
set note (note *(exp (- (1 / k)))/ k)) v2 c+ ~, U/ N |! |, f
set credibility-list (replace-item i credibility-list note), z$ K# K- M% G9 }" |
set i (i + 1)0 a8 S" {: r% W9 \9 a# J, z& ]
]) g) R; Z9 H1 h- }
end
$ w5 l" L* e- C/ [; }" x% d- X5 O
2 X7 F6 g8 Y( a6 e* H0 ^7 Cto update-global-reputation-list
3 l2 S U7 c' _2 v) i2 |! C9 Rlet j 0/ C& c9 ^/ y4 b
while[j < people]
) p: O- J! d7 p[
0 X6 r) r/ m0 A: R; Ylet new 0
- j. I" I" e& g0 i" m2 v;;暂存新的一个全局声誉. L/ P9 G4 _/ x* h2 v
let i 0
" x" h" D' W( e! R6 z; U9 Slet sum-money 0, [. A% `$ n4 \+ L0 R
let credibility-money 0
T3 z% H2 Q& Z! Rwhile [i < people]% C! U9 p( ?7 B' R& V
[
0 \) V) |$ i6 eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))) P- R# ^/ r3 o. y6 Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ G; h& c, t; jset i (i + 1)
& P% P$ l6 H5 {4 i: ^5 Y4 t/ m9 Q]" g* H% q( ^! i# O6 ~' G
let k 0+ k2 u1 c S6 B1 B
let new1 0: c( r! n3 {* z! G
while [k < people]
% u$ h2 |' _: O/ {" F0 F. j2 W[
% A U3 Y6 w! T* U3 |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)4 i6 m0 h) s$ _9 }/ |& k5 J x
set k (k + 1)
2 z2 L5 G. R, M& F/ K2 Q]) R* F" L3 b, i+ G2 d% G2 Q2 e
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; r5 a3 l" W2 {3 \4 a' y- ]set global-reputation-list (replace-item j global-reputation-list new)5 G4 y9 y- M+ E2 M9 Z; G5 Q
set j (j + 1)2 p) [8 y, u: z& \6 k2 O
]
- D1 I: H( H0 `end
- D1 d& Q& N! V# o& l9 m0 f
; U! A: C+ g( b6 [7 E6 L! J) X( N
* g6 k# M2 J9 s& I- N1 {
to get-color& e' ^4 x6 p$ R- c
# W. \0 u- A* o/ e6 |set color blue
0 G* ^7 t% B, S6 A, M& m# Tend
2 t n' W" P" L/ A- N/ o8 K) A, g+ r# \; M
to poll-class
) W) R; U* v( C9 Gend- s6 h/ a/ W1 a
9 X1 }$ l6 S0 {to setup-plot1
0 z# u s7 R: {! Q- d& C; g+ c [5 S4 [1 v2 D) T
set-current-plot "Trends-of-Local-reputation"
1 [! K8 o) _( k9 j' j, n+ ]
# [( Z9 l0 ^; j) c' e8 q1 H- E" \set-plot-x-range 0 xmax% e- k- }/ P! V: E1 o( h3 a0 [' @ c
( M8 Y- f2 n/ T$ v/ `
set-plot-y-range 0.0 ymax
0 @5 \2 r6 m( R8 Fend
% T9 `9 o0 R4 V* K* N: r
! D$ m% `8 A' k! Cto setup-plot2$ z& @! }! Z& N& F+ m8 F% u
: z. p1 w; ]2 h% \' `set-current-plot "Trends-of-global-reputation"
/ \* S/ R( x& C: z! U6 J F& C
' A% A- s4 w7 g2 }& I* h) Vset-plot-x-range 0 xmax
' o( y* ~& _/ _7 F. }9 b- n4 h: J! a, y
set-plot-y-range 0.0 ymax" [0 p2 N$ F7 `4 D# ]! w6 G* C
end
# ]. C* E4 @! a2 s* `- I
6 m; W1 e/ }1 D: L& c7 O% @0 Y+ xto setup-plot3
; |% S2 [' o, A) W
6 I# S. D6 a3 t! V' ^ iset-current-plot "Trends-of-credibility"
9 S- L/ a1 [! h0 g* |* ]2 T0 |' ?" F8 y; J- _
set-plot-x-range 0 xmax6 g2 O( ~: d8 W" q9 u0 E
( g# U0 |) w2 i9 T J1 v: N4 vset-plot-y-range 0.0 ymax
/ h4 `3 i8 q( g% ]6 _end
! }# M5 ^3 s- T1 U+ t
8 B9 C/ b' a6 Uto do-plots4 N! x6 z. ?: a
set-current-plot "Trends-of-Local-reputation"
9 ^. S6 v$ s2 K) \/ ^* ]# E1 h2 T) Wset-current-plot-pen "Honest service". M! P1 l# S* s3 c. k8 _3 k: r/ V
end
1 c1 j, l6 B R& G7 ?5 e3 A- e4 r
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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