|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
) j6 D' j- X& Z8 l. h1 Y# G- wglobals[
- z/ N4 s9 Y: H* z0 dxmax
8 i6 X8 R# k1 B/ h8 g( {ymax
# |7 D+ P1 `' o9 C1 c) B" E8 ^- y. bglobal-reputation-list0 j* b$ Y8 q/ m" z8 R% |( G3 S, x
/ N" |) b' {2 v" P;;每一个turtle的全局声誉都存在此LIST中
0 B: T- T/ X, X; H5 K# ~: _credibility-list4 ]+ Q* P G1 B1 Q# C0 X3 ^
;;每一个turtle的评价可信度
3 \7 l; ^& b! Y0 R$ \. \honest-service
# ?0 R2 u8 I Y# Z# Tunhonest-service% [3 x# M! w. b
oscillation {- z; _& }7 `9 V2 b
rand-dynamic
' b9 d$ H, a B9 Y* r: o]
5 A( W) C: |# @' l! p0 n9 c, g; n/ f) |" U* x
turtles-own[2 K' v& a$ q7 u9 N @: D" U5 ~
trade-record-all
4 ~: O2 d& P7 y+ g. V2 |;;a list of lists,由trade-record-one组成5 A+ h0 |( y: d& }8 w: j) {
trade-record-one; ?) y9 N! J# l7 F) ]) S; P# R
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 G: [) c! W! R- x
2 ?0 J3 D, ^' W
;;[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]]
* ?, q! O$ K! p9 I2 n& F, I1 ~8 [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]: [1 A: r7 Z+ i Q
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list+ K2 x2 q/ y- ?6 x, @
neighbor-total
9 n$ K2 U$ }! U" w0 c2 X$ r;;记录该turtle的邻居节点的数目7 a" D: Q1 R8 J8 F
trade-time2 C: K1 g# |) [* R) U$ {
;;当前发生交易的turtle的交易时间) i7 |% I7 u5 d- f9 ^* J7 ~8 p% ^: H
appraise-give
3 m0 |# i/ ?" K; v& G0 L" c) E0 g;;当前发生交易时给出的评价
& c' X: o' r- R; P. g5 L3 @+ kappraise-receive+ v" g( P% t4 J5 z* G. I; f# e
;;当前发生交易时收到的评价% S- J6 A, w& z$ K3 v1 p$ P& E+ o: V/ C5 J
appraise-time6 i3 K! ]) B; G/ z% f" ~
;;当前发生交易时的评价时间
; _2 l5 D/ H. {" N/ ~local-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 E, w/ W# A% wtrade-times-total$ X4 S& H8 ^! k( E% @/ Y
;;与当前turtle的交易总次数
$ V' V' W0 l: q# xtrade-money-total
5 \' c0 N; H( g7 B( I;;与当前turtle的交易总金额3 a4 Z4 f+ R+ B# h. A* @6 j2 X) ^
local-reputation
9 O) ?. N" I+ c7 {9 ]! W8 X$ sglobal-reputation2 q( o- Q5 e, a" @
credibility
) A ~" I5 \0 q1 |7 g! E- q7 l- j;;评价可信度,每次交易后都需要更新
$ c( o- ?& q. B& ^8 H wcredibility-all7 ^( G! A& N8 Y
;;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
' }# {; Z3 b6 U7 E+ |: h
7 O- _, s( n9 h3 P! ?;;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& r* S( g0 t' I X
credibility-one- C: j) A* ?. _3 X8 v; \
;;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
1 Z6 s( p4 }: x& G3 N; B6 hglobal-proportion
& @% Y# Z6 U9 o. d3 A6 \+ {/ ?/ \2 F( Kcustomer2 J8 j' U0 C& i3 D* H, u% F
customer-no" M" A+ t+ \; x( ~' d" |3 X
trust-ok
" g0 O* x. s b1 ~/ P$ ]+ itrade-record-one-len;;trade-record-one的长度 b! C. F! _3 S) |
]- K7 R: C% \8 w6 r6 e: k% |0 e8 S1 Z
* @4 t) O0 @+ o' [
;;setup procedure' E) g* {* @) K
, Q; c: r7 {8 x+ {1 X( m
to setup1 e! d, x7 e5 F5 n
! e9 ? P n" C, Y8 yca
( m5 Q8 ^0 X0 m+ G5 }7 r1 N( ^6 Z2 p1 T8 c2 @
initialize-settings
" o8 h8 ~( J) a9 }: ~" }3 F- W/ I# A2 B F- e, D
crt people [setup-turtles]
; q. A# R: N8 S3 o% p1 I$ g) [( m( x* q0 H
reset-timer% [% j3 \4 d" y* ?
$ K0 B V% a, r' c! @poll-class$ H) i- C1 t1 T3 f/ u9 G! T
% n% b& C) `( B# [) Ssetup-plots
$ M: G$ t+ R9 q! F) y# \$ S3 X7 u( J( n$ r/ T# Z
do-plots6 i2 U( d# ]4 A5 ~
end* z E+ K1 y9 N
. J' `4 o1 O& K, _3 {& U, P: cto initialize-settings
( K0 @$ {( c. \+ H3 X. I w
+ u$ I% y( Z* Bset global-reputation-list [] I3 S1 A+ b/ Q, Q$ k8 x
! y& W2 o3 P, c6 ~; p7 Q0 aset credibility-list n-values people [0.5]
1 v- X, T. R7 q9 n& {1 R; k0 \5 q9 w% J$ I! w" o8 F# b& v
set honest-service 0
% Q3 K0 w2 x8 F: E9 h4 t, x8 t M6 h7 c8 c
set unhonest-service 0. c2 x& G1 `5 G- p! l( D9 k# P
. m/ P+ J" e8 o, a. W! Q# qset oscillation 0
2 i' T& ]: j( I! I9 [6 |& z' D1 O: K! G a/ [$ n
set rand-dynamic 0
( M6 J. v. _6 E6 D- x5 V( F iend
: P) e: g) J5 v/ X9 F# i7 Q- I i5 F& r
to setup-turtles
8 J3 d! T7 x7 c m* cset shape "person"
0 g6 J( w7 z# dsetxy random-xcor random-ycor
0 h: ?* M$ X& n' @1 ?2 t0 v" o* kset trade-record-one []
0 [0 Z: K1 ~0 I- g9 p* b0 O
, `. h/ I+ o. Rset trade-record-all n-values people [(list (? + 1) 0 0)]
; Z$ q- X2 B' l2 _ j: L4 [ z% \* K" Z
set trade-record-current []
4 {% b2 A& j% U/ aset credibility-receive []
) r3 I/ i3 o: r9 G5 o; eset local-reputation 0.5
b" F/ O$ q9 T2 a+ Nset neighbor-total 01 v" d2 i6 o; y, x& `+ n
set trade-times-total 0
. Z' K' _, q" `: Y. w1 }. Eset trade-money-total 0: J" \4 W, ]1 R. O* X
set customer nobody
; M: T% S3 _" f9 Yset credibility-all n-values people [creat-credibility]
7 L' j3 w; O! g) Z* e c* }6 }7 gset credibility n-values people [-1]
: [0 g) @4 Z+ y5 {get-color
. i* D) e1 ^3 T3 O. {' u- n; W+ s4 c: [# A7 H, O$ B4 z8 A6 n
end0 L! G9 ^& `9 j1 u( r
& M, m3 z! }3 k Pto-report creat-credibility
7 ^2 f B& H; f; ]% }# Creport n-values people [0.5]; J8 D1 g$ F: y% m
end7 T9 m5 ^5 @& Z: ]- t
' H g/ T- m6 P& vto setup-plots
2 C1 b3 H& a2 [ [8 P. o: }
9 C# A7 d5 m" N# D' \% o& F) `set xmax 30$ g5 Y! b# B+ i% _8 a
5 n; w8 }0 C9 D; T1 h" Uset ymax 1.0
! u' {) a4 E3 T6 Z% v4 g5 @
! f- n( F* I9 }: [) s9 ^clear-all-plots
8 n: s: [, @1 j: F3 T' D$ X) `- G+ t s0 G/ n9 M2 h
setup-plot1; h1 B' g' s+ L) j" M
- J% t( p5 @+ V. C6 {; Z! k, E& V: q
setup-plot2
* K3 V8 }- C+ f! T2 n* L0 Y: i Y6 c/ W* U
setup-plot3
. _- o$ Z+ F5 L3 Rend
$ I- ^3 t6 |* y( t: d2 U8 L" Y3 o2 t9 _% z7 C/ L5 h
;;run time procedures% `. Y" o4 Y" a
# N$ g4 i& @9 n2 P& Lto go4 t3 |; G* h0 [/ G
8 h S: M! R0 v7 }6 t! Lask turtles [do-business]
7 P8 `7 ^1 _5 W( m8 C+ Iend
! w9 \- `. m+ M5 O0 P4 B
, X' w F; t' J2 ]- \* F$ V' J$ oto do-business
: @' `& N! }# `: O% N" ^& O$ v# f" P/ ?) {0 U! i
0 E: T0 J% M# g# _) H5 ]
rt random 360
$ g4 ^, O/ } n8 E
3 [0 C) M8 t+ K9 l5 ~+ i- U1 Bfd 1
s7 M, g. t' Y
" w O% _5 T! a) jifelse(other turtles-here != nobody)[9 S: F" ]# H5 m c5 w) O8 ^! c
' w2 Y! U( e: f5 h9 C3 a
set customer one-of other turtles-here
! ~ N# {! A; W7 K7 t# l0 p
. g7 H4 e/ L- I2 t;; set [customer] of customer myself0 J- j1 [7 Q' E, u% l/ Q7 z8 g, K
: B- O- Y0 J! @2 } C8 l$ N
set [trade-record-one] of self item (([who] of customer) - 1). ?8 D9 i, d5 w& ?7 K/ I
[trade-record-all]of self. X) w, j2 T$ X7 g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self6 G* P- r2 z6 o4 M' C0 ~ U
+ }9 W5 z+ r8 b
set [trade-record-one] of customer item (([who] of self) - 1)
: Z3 {7 }- ^/ T2 q: m) I[trade-record-all]of customer
0 M; g. d4 s( v: u3 Y- k: {& P& ^. `( V. e# G) q/ [
set [trade-record-one-len] of self length [trade-record-one] of self
; g" t: a( u8 ]0 ^' T7 V9 l, w, u) I& ]6 |& @: e8 B
set trade-record-current( list (timer) (random money-upper-limit)). c9 h7 F9 w. \
! Y$ p' o5 n. s9 a. f7 pask self [do-trust]& g1 O6 t0 I, n$ q+ I: M5 o
;;先求i对j的信任度. P& V" k' N0 u9 D( q5 R9 o7 t; b
: [: ]- @: |5 y1 Q* P' } k. ]if ([trust-ok] of self)3 r: g! C( L4 @. y1 |/ O7 l
;;根据i对j的信任度来决定是否与j进行交易[
+ C5 y+ C% @; N4 b O, ]2 qask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
5 a# n% S/ q0 Y: r7 Z$ c4 R5 c! l! n
[
6 @! p( U% f5 b8 Y0 G3 t& K1 m0 N( N6 d8 `4 _
do-trade. S9 L$ ?- m% }- w) Y7 U
/ j6 F1 _) u: ^8 L8 p' M" w# g' {0 M$ Vupdate-credibility-ijl, }9 C, G& y( n" i
! F& J0 ~6 b/ y f5 _update-credibility-list. L( e2 O# y* I; o
- ^" R, L* _8 r+ v, t; E
' s6 [- ]" @$ H: o7 Eupdate-global-reputation-list
7 U1 u4 B, @! G
. }0 b7 ]& z: H ~/ y1 Ppoll-class1 `. F4 c* R, r& H
* |, h$ G/ T0 |0 j- u0 D7 i
get-color' m8 S3 }5 y" ?; C6 y' |
1 O$ J) }: K! a# ]0 M5 e]]( ]9 U& R; ~8 I
; z, [5 D# T$ ]+ b8 }' s7 ?$ i. U
;;如果所得的信任度满足条件,则进行交易3 k+ }) U5 E* H( U# R0 z
. S. ^: H; q$ q& w
[8 Q- v. O+ @. N3 [8 Z2 Q" c5 x
9 C; g& h- }7 z$ f2 `9 g+ ?
rt random 360) W% K' p# R1 J$ \
3 ]# @: u) z0 Jfd 1
' _; l8 L/ W0 X _7 \6 t
1 M9 p; n! Q: Q& T) ]]
, r* D4 z+ W: V2 W& p7 ?, H" \3 q( n' h( d& Q \
end7 f" k2 J, S- F- V" Z! Y t" A) y
% v7 O% q1 M Z5 Q* ~to do-trust
- }% z" U/ b4 g% R& ^* c1 j; `& Mset trust-ok False
" o" m, m, c2 j% Z J, I+ o* U! g/ Z3 \. Y- X1 j" J7 o8 O* k: R
7 y' G2 N0 h2 T- S) L8 elet max-trade-times 0
; L2 j- Z( M2 M$ a$ Xforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ G8 d j' C. p- Xlet max-trade-money 0: | z! o1 V& i9 S+ J
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 v; Q1 R/ O, ^1 r% \* I! q
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
U, K6 S- A' |; T- B5 v: h+ U; x ^3 g* Q3 w3 b
3 }$ N& _8 O9 \
get-global-proportion
! S4 a3 t- e. }4 U8 z6 M. o! flet trust-value6 ^8 I+ P6 E* ~
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/ l- }: d3 t4 t4 i+ c
if(trust-value > trade-trust-value)* [/ K2 P/ {6 P; ]6 Z) l4 t# d
[set trust-ok true]
! \/ r( W2 L& Z/ f8 ^9 pend
6 Q4 W, J& L8 j4 u2 N) V5 L
+ N' m/ a) m' i+ _/ cto get-global-proportion, f( i: w( {) m ^; U; E4 u
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3): Z- }- [: U1 c+ e4 _
[set global-proportion 0]
# N! J# v6 ?3 q( r( D% U[let i 0# [6 g+ J8 X: j' x3 \
let sum-money 01 }: C3 y) _/ \- m9 D
while[ i < people]( ^4 u# _$ p! H& L) S
[
0 Z( `: o: \6 o- D) M/ N! p5 ?if( length (item i
7 N6 K9 d( s, t% B. Y0 D) E[trade-record-all] of customer) > 3 )
4 v2 V: P; Z8 J' i1 R5 i- o[
7 L8 Q; v. Y u6 x- x1 Qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& s6 u0 \. }; n1 n+ q& U( d]$ D' C1 u s$ Q* M1 q$ Y) x9 o
]8 T$ E" W+ q# h% S0 y
let j 0
5 c/ C [% B: H" G6 G2 i' |let note 0
6 h$ D5 g" U, W k* p+ c# Rwhile[ j < people]
; _( k3 a: ]: {8 d4 j- G" d$ w4 t[
" y# r1 F0 _" Q3 R4 L+ o1 Zif( length (item i
+ W% v Y7 r: L1 J" Z, g# {- R[trade-record-all] of customer) > 3 )
0 p4 t0 j+ X1 l, ]9 f[
# r7 w P6 t! xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: a4 x) C' r5 T[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! E- L0 \% S) }' g. ?4 o, o[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& ]9 P6 s5 j# M7 A
]
) J: W/ e- {5 k ]& K]! h3 |4 A- l4 u
set global-proportion note. L; O7 \: h& }5 i+ Y, n
]5 V: l9 h5 k* q3 o
end) i5 c2 \ [1 o# R" x, K$ m" F
6 `! d& K/ e! T" ]. Wto do-trade
k8 [1 h% k n! b1 X, e& M;;这个过程实际上是给双方作出评价的过程+ M. R i/ Y; e9 {* z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 \% Q5 D, W' l Q! M/ Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! O9 M' I8 t9 Y4 U$ C5 k0 gset trade-record-current lput(timer) trade-record-current0 x' J6 ?: Y' }0 w
;;评价时间
2 W8 M2 U- k6 d, Xask myself [
1 \. T& s- a& J+ G1 K5 ^update-local-reputation: a2 H1 S2 P! Z
set trade-record-current lput([local-reputation] of myself) trade-record-current4 T4 q& E; n2 s7 N) b0 [
]6 c: g1 x, J! P
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 q: y& [. ~$ Z4 R% [2 E/ u9 A0 i
;;将此次交易的记录加入到trade-record-one中& }" c0 E/ w0 j3 T% Q+ p2 X) ]+ q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)% ]6 u" U* g4 U8 T E/ F4 M' l% p
let note (item 2 trade-record-current )
: ?0 x: P, A3 B& y# U6 W( M: [0 Hset trade-record-current" K' B8 k# I3 I
(replace-item 2 trade-record-current (item 3 trade-record-current))
" f5 {6 A. ^" ? D! H, N7 Wset trade-record-current: T Y$ H7 s U+ S( L. P O; m
(replace-item 3 trade-record-current note): O. e! p5 i g+ Y+ x0 L$ B4 Z
) r& B! E# k3 ]4 I9 _' X
- F9 e [6 w' @) Uask customer [
& w* [( S& t! O. @- S: J# ~) hupdate-local-reputation5 Z A0 d6 Y: x' I) Q
set trade-record-current
- m, n$ _6 S2 @3 K' f7 E3 T(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 4 e; H" d' A B. }4 C! v& `% A
]
+ m: }: p; c! s( m. y. l$ J+ y" d ^1 R# e) {1 e0 `' u) X- ]# L. l
7 b9 F5 E+ J( \ A. ~
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' X& B- G; y& w# N: n2 B4 E
2 I4 v2 G8 A9 X; P: A3 o
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( r1 b3 D8 x3 B;;将此次交易的记录加入到customer的trade-record-all中
{( V5 Y8 I/ q& g4 s( xend* y9 }# P1 B4 l
7 l9 G0 r) z! a# z- ` vto update-local-reputation
' I& f- Z5 J4 _* @# V5 Vset [trade-record-one-len] of myself length [trade-record-one] of myself
% f7 P [0 Y8 @2 T" Q% k; D$ B. [. P) q
p( d9 l0 I( C0 L$ b8 a3 H: r;;if [trade-record-one-len] of myself > 3 5 Y& l, G/ w, Y
update-neighbor-total# u$ Q; V) Z+ U% h1 a* q( e
;;更新邻居节点的数目,在此进行3 g: u5 e8 S0 z
let i 33 M1 [5 U( w0 l5 ]7 [% t" g
let sum-time 09 Z. ~+ G. _" ?' P
while[i < [trade-record-one-len] of myself]3 P7 P( {8 `+ Z9 J. P) h U% Y6 r7 M
[; d0 \5 k9 b! H! G2 E2 Q3 O. f
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' s2 `# @6 F) ]$ {/ e2 I) f- ?
set i
0 l- l; B" _9 g, |1 I2 E% \( i + 1)5 |3 i2 C8 n; a
]
6 B J4 m0 z" s) Wlet j 3
0 h6 y) l4 T) L" {' J, ~$ y5 \let sum-money 0- z6 j: J W8 T& m" q k. H
while[j < [trade-record-one-len] of myself]
2 s$ Q" ]( k/ f* q, y[( F. ]2 E% L- }/ ?
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)
) s/ L; n/ Y# G" d& f) T" Lset j! C; V c* a8 q( x
( j + 1)
& `( Q, `' d9 x' e: k4 {' [8 \]& ^+ z2 `3 J+ y& p+ Q
let k 3' G$ n, S8 `: n3 U( J; P9 S/ r
let power 0
* C1 R* J9 l5 z6 N$ A) O. olet local 0$ V7 A' v: Q" X+ n. r
while [k <[trade-record-one-len] of myself]( Q0 [2 q/ s- O) N
[% ~' ]+ @: U8 f( t2 [
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)
1 D) p/ M' U3 B }2 ]8 Vset k (k + 1)
% P: F( ?6 x* p6 B( z# q) b]
: u( _8 y y' j! ]2 fset [local-reputation] of myself (local)
4 [! o( l. v- w; w* i4 |# P5 bend
9 G/ M, w& o4 `" m( T1 G; \& `: @1 e
9 s) C8 I) t' ?. I _7 W6 @to update-neighbor-total, f3 l. ~; ?( r% Y/ I
5 |3 _2 G% W. K! ?7 C: jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& b5 L5 N# T% [9 e8 }* n5 F ^* X" v$ U
0 g. t) d4 L) iend0 d3 L# `3 z/ W6 P% M% G7 v
% q5 C# C; O6 w9 P8 b; Zto update-credibility-ijl
" l0 P7 h! X0 _/ U- ~+ v8 }& p! O! \ G# v1 Q8 c* W1 e
;;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; s& \, H) i+ N J1 l( i' Mlet l 02 X1 y" C2 r& z+ S0 T% y
while[ l < people ]" l! V4 f1 S7 k/ c
;;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
; T( |5 c! F, `6 k8 q[$ I8 ^- s5 ]: `3 K/ H H: D
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) E4 \, _" q% [5 h% x- gif (trade-record-one-j-l-len > 3)
; D$ F0 k2 f/ Q, o- @[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$ J* X) A, u$ N! L2 ]
let i 3/ o2 H; p) k) b* @0 f3 X
let sum-time 0+ w- n8 B5 @6 _6 x# C) I0 S
while[i < trade-record-one-len]& h, o6 i1 }) N; x0 M) N
[
, k: `) x' p8 D' ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# d0 q: C5 x$ T$ V. Q9 a' C# k. gset i; u* A+ o0 U3 I* h9 y' J
( i + 1)7 J% ^5 O# E* x1 {- |, s( b
]
" T; p) D: V" @( wlet credibility-i-j-l 0
5 c+ K; q( h+ J;;i评价(j对jl的评价)* J+ n1 w9 t. {3 S$ P. u5 X" I
let j 3
! A( L% Y4 V' I; B3 @/ m7 |let k 4
4 b5 U1 ]# }- v# C+ T! r- Mwhile[j < trade-record-one-len]* U1 v; `4 g, G
[
/ h" [, R0 T3 j' p+ q! l* zwhile [((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
$ J2 f' S2 t# R' \/ k) H, Qset 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)
# z* W$ k" H- ]1 Q7 Z1 G2 ?8 }set j# K+ { z6 Y$ G1 W0 v, k
( j + 1)
3 u2 x1 N5 a# Q7 h]: S2 Q/ Z: @0 \, Y4 ~3 N, a
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 ))
8 ^+ l% O& o& I7 w6 g2 ]$ S3 i
: V( ^& W: g+ ?, g; {# o) C. z4 K# l4 e/ X& Q( W2 Z+ P& Y2 c
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ H, T2 a& }2 l: W( O" x% A
;;及时更新i对l的评价质量的评价
% n) f. Q, J8 G3 e4 [# Vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; U0 l* j% E6 x o" G3 g0 p+ j, iset l (l + 1)4 P& g2 Z) P0 B) V
]
5 f& {# K$ u# f! f+ y3 Nend% u( a" c6 C$ F# v. B6 S3 J. [1 ~3 E
! h2 w& M* C0 ^0 zto update-credibility-list( E5 x" G; X3 l, M* i. Y
let i 0
6 `1 N5 M/ @% d1 ywhile[i < people]
( v) K3 V. x# R+ @" s( P# y6 F( i[
+ q: @+ [" h0 |* k- e4 r' r+ `$ Llet j 07 U# B \3 `7 I8 N6 @* F
let note 0
3 t0 m9 C7 g( o, V) f7 |" D0 \+ k! }let k 0
! R) @% y& M, ~5 N7 x/ q;;计作出过评价的邻居节点的数目$ ^1 p2 ~( Y/ ~
while[j < people]3 i5 f4 o. e1 e9 }& }8 A+ q& d
[" _; z3 E- w7 W: S V& ] T
if (item j( [credibility] of turtle (i + 1)) != -1)
' `9 O1 L- j) e a7 L' Y;;判断是否给本turtle的评价质量做出过评价的节点5 {. ]. _& x" r9 V2 I8 u
[set note (note + item j ([credibility]of turtle (i + 1))) u, o& [7 E/ e4 E" v
;;*(exp (-(people - 2)))/(people - 2))]2 @% v/ g! d7 S$ [5 U
set k (k + 1)
; x+ P; F2 t, y" A" []
. F7 ]& b2 ?5 f' H- _' B( U9 h2 Yset j (j + 1)
& ~4 |) h2 i: m; k$ ^% b]
9 |/ J }' m; B T7 Vset note (note *(exp (- (1 / k)))/ k)7 r% X+ P% L5 [
set credibility-list (replace-item i credibility-list note). D" F8 ?0 O: Z$ U
set i (i + 1)( j; V% v4 R2 E3 O. k
]& M1 H" Z6 B. s0 s
end, c, N# l- B' w9 o1 ?+ f; e; _
; w3 Y% Z3 V9 V1 C Uto update-global-reputation-list: p& @0 \6 a9 [ X! U4 V; W
let j 0
# B- r, r+ x8 M/ I# F' Z, g3 @while[j < people]0 O* E2 L S: X/ X
[$ E( z$ ], N$ L$ {6 F5 ^- O7 S5 f
let new 0& l" B s- l, }7 O
;;暂存新的一个全局声誉+ @3 m5 ?0 D4 J: _$ U
let i 0" ^% w; R: u/ v+ c! f+ R ^6 i& y
let sum-money 0: _2 V4 [8 _ ~& a
let credibility-money 0
q$ ^: ^3 Q1 G4 R8 L' K& Q. x6 {6 Uwhile [i < people]' S: M) x' F7 o8 y
[) L" c% |$ F3 X( C
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 y2 [7 [. @0 M3 h( L1 g
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& Z- d5 m# I6 B+ \0 mset i (i + 1)7 ^( F6 o9 O/ ~5 ~/ i9 K. q! r
]
# v5 ~6 _2 H+ ]& llet k 0, X9 D% [6 P# a8 ?
let new1 0
; v& k% H a9 bwhile [k < people]
! m8 l8 q: J" b3 h8 d: W8 ?[
; s" z' c7 ?6 P2 P8 p( V9 aset 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)
% ~9 k+ B* p2 l4 h) Vset k (k + 1)9 W& `4 }7 m" i3 ~+ ~$ u$ C3 |
]
Y' A9 w4 b8 A6 k. d6 i+ g9 `) Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % X4 A% A3 @( E I7 {; H! I0 Y
set global-reputation-list (replace-item j global-reputation-list new)# F8 x' |+ Z( E* j) s" r
set j (j + 1): q! [1 x$ v" w
]- Y; Q0 D$ V. O* F7 l) v
end5 A* l' C4 U" V' K& E+ M
$ u# N& e# y) O- J/ \/ M6 b u, q. _* c% h$ d, A% W" N
" |5 [( P3 ^6 y* ^, x6 g
to get-color& A A& t' I- X1 Q! i
/ t/ R" j# V+ d& h+ i" w
set color blue$ Z9 y# A4 L/ G8 u4 Y
end
- _. S5 K7 G- H
* a6 X& \5 K% v0 ^( G6 M, y. kto poll-class
$ O7 }6 i, @$ M! m; Xend
4 r/ y% e6 }- K0 E+ u# z! b9 y6 ]( l% G8 x+ h- r6 E
to setup-plot1
( X$ p0 m) _8 j( J) V+ ?
( D: [+ V6 q8 z7 B! z ]/ Tset-current-plot "Trends-of-Local-reputation"
5 X" x; `1 o1 I9 i) A
0 p7 T# @/ D. Xset-plot-x-range 0 xmax9 I& m* N( H& J9 Y
- i |8 ~2 |8 Q9 g2 o7 A6 c
set-plot-y-range 0.0 ymax
4 q- L# z6 C) Wend
2 c; I; l2 U1 X) j
; W) F/ |0 ] u/ k% w# V/ T& Oto setup-plot2
4 i# x4 ~9 L, z# I; ]
' G" {7 G4 E; E. ]; vset-current-plot "Trends-of-global-reputation"
G6 E) m: }+ v; U/ H8 d2 n) J
) H6 }" r6 O5 u3 s' xset-plot-x-range 0 xmax
7 P* v- X6 ~) {
1 {: y7 s# O1 v+ G) g9 T7 @set-plot-y-range 0.0 ymax
, d2 T# ^( N1 {end* G" T* Q: _1 }* X$ }. C( a( J
+ g/ @- }% F! @& S l* o
to setup-plot3$ A( W. O: t1 r- u
' l! A; A1 Z, j- I$ |! h( a
set-current-plot "Trends-of-credibility"
* Y% G; C- Q7 u t7 C% r5 i4 E
1 j& G& H4 o" E2 d1 n8 [" Lset-plot-x-range 0 xmax( \6 q0 A/ j" \9 B" S
" J! H2 V* R3 Y8 E+ a# D8 \. E7 {
set-plot-y-range 0.0 ymax6 _! K) o1 ^4 i" U, h
end
/ `: Q( a6 T, i4 y7 z. u
* `6 [! O" |0 B8 r0 I" d$ Eto do-plots
* z) ]7 h( Y$ }4 @) H7 C' M) Zset-current-plot "Trends-of-Local-reputation", k8 ?) \5 ^$ r! i+ n+ V( _4 ~) S
set-current-plot-pen "Honest service"
5 m! x# ~1 n5 X* gend
T( I9 u1 k+ ^
5 k5 p3 J" L0 P. W* |( i$ T) c; ]- N[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|