|
|

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
& _: x8 A* o \9 ^+ Kglobals[4 [0 N- ?- C. p0 R
xmax
, E7 H: P1 Y; U+ [1 D9 K; bymax
?. @* z W, s7 V( vglobal-reputation-list
3 F- o0 ]9 b# ?' k/ }( L0 l8 h6 b- D' B5 E
;;每一个turtle的全局声誉都存在此LIST中
0 R7 n7 `0 ?/ _; A: o1 dcredibility-list
3 h) L0 z X+ @' E! m- \;;每一个turtle的评价可信度- J3 y/ w4 w6 @8 x: p$ R5 b U# @
honest-service* p$ m: K( B) ]1 V
unhonest-service5 Q5 Y$ V4 L ]8 B7 Q' P
oscillation" U- J& C3 ]; n
rand-dynamic
' v! _9 A( B2 N" ?6 O" W. }/ b]
7 }$ Y* ?' B1 v* R# H2 ?; E6 G
: z F$ e+ q& g+ g/ A. rturtles-own[
$ T8 p! i1 J1 {3 x( \trade-record-all! Y9 w& r/ W) y) C) P+ r& c J2 d$ X
;;a list of lists,由trade-record-one组成3 o: G- N0 V& K
trade-record-one1 K0 |) K2 L3 A2 V1 Y
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录8 B0 ]+ M! t8 Q0 J
3 G. w! R% v2 x5 B2 u2 g! 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]]; e- j" \* H$ S7 n% R W; ~' ~
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], F; Y' p1 f; N1 c
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! I1 S0 _) T. V9 D! g3 V. J% g
neighbor-total' x8 Y) Q3 g O, {1 I% N
;;记录该turtle的邻居节点的数目
! x$ G3 B5 d6 D3 ftrade-time# D E1 L/ y. f; O) p/ Y
;;当前发生交易的turtle的交易时间% g% \! j/ ^7 F) j3 k7 q
appraise-give
1 s6 s3 c- p4 N2 Z. C1 A$ T5 L;;当前发生交易时给出的评价8 l* `* b0 v( G* |6 q D
appraise-receive3 ?6 u/ W; a8 v' X# X
;;当前发生交易时收到的评价
4 A4 A3 f- Q5 y9 H/ w0 ^- D; f) zappraise-time `$ p' K; c; o4 q
;;当前发生交易时的评价时间/ r) ?8 @; }& F
local-reputation-now;;此次交易后相对于对方turtle的局部声誉" H8 M0 {+ Y5 z* E+ m' {
trade-times-total) D$ u2 ?6 d7 l; {( _
;;与当前turtle的交易总次数
- Q8 B* Y7 R& ^, R$ q0 Wtrade-money-total
/ [: a9 u4 L2 X;;与当前turtle的交易总金额6 Q" @: z0 x, r8 |& Y
local-reputation4 r' X6 x) P( c3 s4 Z% ]+ Y
global-reputation7 o. ?# P% x5 L! o3 t% r
credibility. f7 m; g# Q4 r$ f6 f" ?: D- l
;;评价可信度,每次交易后都需要更新+ w; E$ A- M" R, M
credibility-all+ Y K% u6 B# H* f8 { |- N
;;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
1 N0 K: C6 t" c. W, \
6 _$ O0 i# r! y;;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" i' C, z% `* t m
credibility-one1 x. t* h L$ @ y' x6 N+ 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4 T k$ X( F/ f4 O) |$ `" j
global-proportion/ ?& V9 | P2 Q
customer2 J" P8 [& v; L) n ?; k4 o, ^( E
customer-no, b. _: }- L* G/ _: O0 Y; ?
trust-ok
) j W0 b( R, V( \2 }+ S8 itrade-record-one-len;;trade-record-one的长度+ g2 Z& }: ~( E t ]6 t
]/ ^5 a% ?$ r, Y8 Q3 h
' U( C# R5 l5 ~0 k" t
;;setup procedure$ d+ d5 L/ `% g
5 c) q$ F1 `( q, z* \6 o
to setup9 V% h" \$ A8 Z8 ^
4 \: V6 d1 r1 R1 e
ca- h9 _5 \6 a' i( o" L; E, [* `
, g6 x1 |* q5 dinitialize-settings
0 ^. _! | b- a
& E# s' u" H& W- y9 bcrt people [setup-turtles]
3 J: \5 S, \8 y; a3 t) T F* K- k2 A5 s$ C
reset-timer
W7 F; K* l1 s: q6 x% Q4 u1 d' o# n5 `: J; n
poll-class
, ?8 i3 `3 i1 M3 \7 @1 O; q
/ L2 Y: M" Y: b" m3 M# Gsetup-plots
! p8 Z' e3 o6 Z( W( B/ [/ E
6 P7 ]- l' M; U! F8 S) t/ `do-plots
$ K1 t$ ~. a1 R" a+ `1 a+ Oend. Z! X" c$ A$ p3 h" s' a
: T% n. s& d8 P2 Xto initialize-settings: L/ E7 w" t5 h1 y2 I2 S+ I5 K* t* c; s
% p- _4 D9 K, L& P/ L3 N4 n
set global-reputation-list []
1 J* Y4 m; ]' G1 r
; ^- \7 g1 c/ }3 R# {& r6 lset credibility-list n-values people [0.5]+ w6 l% T' j7 k/ b# o
) }; T! k! S% N& i; o
set honest-service 03 P$ s1 W- X% W6 j- j/ J
$ H$ j7 W9 V/ k* s+ U3 W) iset unhonest-service 0
# e9 [* Q1 F! f. M( ~* [: Q8 G, e& O2 \* A0 F! `
set oscillation 07 M, b- s: ~7 R6 j: j8 Y
- g- a5 X6 Y3 d) y
set rand-dynamic 0
( C: S! L+ {- `$ Nend
6 T e- g) Q( l' o
0 }! [2 l& i( X0 j. c9 nto setup-turtles 1 I5 w! |+ X$ \ u/ b5 r& i9 H
set shape "person"' a* v/ A" t( r% D) H- l' A
setxy random-xcor random-ycor
% M& A: R; h* r" Z, J& f& v: bset trade-record-one []
3 r: K/ t, x! O, x0 j3 a) z
7 {" z, j" y2 g3 M Eset trade-record-all n-values people [(list (? + 1) 0 0)] i7 v* E N% f' @
- \ X6 o: |8 J8 O9 Oset trade-record-current []
/ A+ ~' ]( a; c; Hset credibility-receive []* M3 Y' z* @2 U# G, z' H
set local-reputation 0.55 Z6 U' k- A2 G |/ E
set neighbor-total 06 [# M6 D! f1 D. M# e% E; b+ K) U) \
set trade-times-total 0
% ]: m* j) R* l: S8 Z: N- t# K$ T6 Uset trade-money-total 03 J# I: r4 c% r' Y9 W' U! x, ~
set customer nobody. E& r8 `+ {' Y, a/ n. @/ p9 X" v
set credibility-all n-values people [creat-credibility]0 ]5 r6 Z7 n' A9 Z$ a. b; b" ?7 H
set credibility n-values people [-1]* j" C" P- z G+ ]: R0 O
get-color8 s5 c. M. @, |/ T
E3 [' j% k# A, Z9 I& W% X
end
/ z, {, \+ A; A6 o& Y' L$ k
, m7 d" {( [5 w& X1 u% P. @/ I, \to-report creat-credibility, s" b% B7 z6 t5 ^
report n-values people [0.5]2 n# R6 |" _% S* E( V' T
end" H! g$ j6 @* X) g a; i0 v
2 i3 D$ Y6 n( y0 k$ c3 s
to setup-plots; d/ Z7 j+ O! R* M _6 ~
$ o5 b8 D5 ~0 @0 N9 F `( O! e# Y A
set xmax 30
6 O" J( U& W' m3 }: o* m; o: j- V' Z% T- i6 U
set ymax 1.09 ]$ p9 M- D# S6 G. W
5 d, }6 y) e8 |! Wclear-all-plots* f) D( o& v6 D: y# ]# {* t% N
+ I: `+ u0 c* {
setup-plot1/ A) m [5 M: h9 E% @
- J# y) T7 M6 I- H) m0 T% n
setup-plot2' \3 g4 {$ P; l+ b0 s/ {- K; @
, y8 p) W& P3 `
setup-plot3, Y Y- h( a6 l, |1 A% C7 f4 e/ S5 ~
end4 w& G8 k0 C$ A$ V
}2 O, C. ^' k4 Q& ~;;run time procedures
: S4 z/ c# C3 g
% K* w+ ^8 j5 O9 g5 Z* Cto go
1 V7 D T) k- A" K* `! ^$ S6 j/ ]. \3 Q& B( }7 t6 [6 Z/ x
ask turtles [do-business]+ R0 J# H& Z- U
end. r6 @/ L6 q, C' X4 H
( Z2 ~ |# m$ c0 z6 o( {
to do-business 8 Z; `6 X9 W) m) G8 p* e$ ]
u- l* C; |. I/ K
1 K, h! i6 c+ S4 o u6 @& \rt random 360
4 x5 R$ |# f7 X9 D
; f' _5 y/ S) ?fd 1% ^5 ?5 h- ^- I* d
/ H+ I9 W% j1 I4 l8 ^ifelse(other turtles-here != nobody)[9 _' C) H @) \0 D6 R. P3 k
* e- R9 [# u( a* L0 i5 e* Z* z$ `& fset customer one-of other turtles-here- D: C' s- e2 S! R( O. X
" b) @. `1 @# S! C4 ^* K& V% z;; set [customer] of customer myself
* e$ s" T E1 m& d) W
3 O t& u% @- H/ \set [trade-record-one] of self item (([who] of customer) - 1)
1 s8 m; ]) z: b0 K[trade-record-all]of self
) P: I% D* u: U. k3 Z" [! s;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 f5 ]9 w: K) w5 w! B0 P9 V) B- p
3 @+ c/ D' @# U/ j
set [trade-record-one] of customer item (([who] of self) - 1)7 h& j* L4 T3 U2 I! m" Z% z" P
[trade-record-all]of customer
! [- g% J) k( l. c# S9 _0 w) [4 |
set [trade-record-one-len] of self length [trade-record-one] of self- y9 `0 s) k* Y4 G
* N3 {+ d6 T* L) q: @+ qset trade-record-current( list (timer) (random money-upper-limit))
1 q0 L: R1 M4 n
+ x: r X' D7 L( Q/ }( I1 fask self [do-trust] j. T: P; |" ? I
;;先求i对j的信任度
4 N( \2 R1 Z% {/ t% M
% o3 b8 [2 I& A0 ~! f0 e" Q sif ([trust-ok] of self)3 [) L! W4 ~+ p. @
;;根据i对j的信任度来决定是否与j进行交易[
3 D! g: d: @% @. D3 b( Gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
7 H+ i( Z i0 {% E$ @# Z E3 v, Q* n G$ ~; `0 f, Z
[
# H4 u3 q: u @. ]) ]3 l9 n W/ Z4 d G" W0 X% j: F
do-trade6 f t; ~9 G: w
0 f9 X# G) F& _% zupdate-credibility-ijl; B5 u3 f+ ]7 u; E: M
1 t7 o: B+ Z# wupdate-credibility-list
4 i0 ^ h* W. U! [% g: h& E- b" ^1 r
+ i% G$ [/ o9 X8 }4 ?- g
update-global-reputation-list3 i# p" q7 @# E
: f. P+ g; |3 Y% F; o2 o; vpoll-class
. O+ N4 v( I* J5 m! \& E1 o# V/ M& k# ^1 P G
get-color
/ X/ }- p6 v, O) V" |* D9 ?. F5 s% O" w- R$ y
]]3 ~1 Z! R* N7 J/ S) Q0 l o
7 b* U- l2 r7 U- Z;;如果所得的信任度满足条件,则进行交易
. @4 }8 V& s o# q2 y- D+ g; Q7 U' d; y" T
[: z. i4 m5 c, L1 `' S
8 t4 w, u1 b3 V. H- T0 a
rt random 360, r2 b$ e7 w( V1 c8 Z, k8 v; |
: j' s1 V, k% [/ }7 I2 gfd 1) W4 v' m9 {# E7 r' G* L- [
7 E2 Z8 S' z3 q]
5 x( `6 H" |: f! ~8 r' i0 w. x$ {" ~' t8 l) B
end9 c5 ~" v, d2 C7 o
9 d9 V2 c" Z" w0 R6 e
to do-trust
( S. A9 s; U' D( xset trust-ok False7 Z* O9 } }5 ~5 ?9 X, w
' {% X' S" x$ x
' R! {8 e# U' H/ E3 J
let max-trade-times 09 C) r( O8 @5 V, D- F1 R+ d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 [) g$ O0 C# \+ k1 I. Mlet max-trade-money 07 J0 |) n$ A$ S' \& g( W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. c0 N# m4 U* m+ i, r2 ~# s2 ?
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): z$ ], d" u# z" o3 @
5 w x* u1 u( ^, R8 v) u
# L9 V) T9 W2 c* S1 Xget-global-proportion0 N$ `# X! E) _$ I" ?6 K2 M* O7 `8 i
let trust-value
# E( V' q X/ t/ @6 Z; \6 Xlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list); z$ T9 q8 \1 [) M
if(trust-value > trade-trust-value)+ S6 g; L. ?: E, x O* a3 i
[set trust-ok true]
/ f0 l! b1 _: P- J. Dend
1 _& R0 p3 F8 s/ E2 u3 w. J
& ^7 I, t, M! K" bto get-global-proportion
- N# T' Q# l6 ~) a7 e' hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# q# {% N8 L0 @( p, O* H7 ?6 {1 q[set global-proportion 0]$ w8 P; |2 z! g5 S! K {/ o
[let i 0
8 I* S2 M& V( g- Z( p2 j, o; t! dlet sum-money 08 H2 |# n$ d4 w- e
while[ i < people]
8 O" L8 }2 X- r6 w[2 L7 t! H7 g; b2 Z& i* n
if( length (item i
2 r2 F7 I8 ^" n3 M: p: R4 G[trade-record-all] of customer) > 3 )3 A$ f2 H" B! Z2 u! {: C6 K
[ B3 I7 ^9 ]1 P+ z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), G; p! b9 z; @$ }$ A
]# p- u8 r* ~" j% ^2 c- J4 B
]
3 P! C( I, o5 w( r9 j' U2 ]let j 0
3 z% ^ }6 n. f0 Qlet note 0
% V$ P: Y. X3 k; Z; ~0 b! [) Zwhile[ j < people]
; A0 ]' S+ Q& r0 S5 Y[
$ Y8 C5 f- k8 }: h! zif( length (item i5 e# N. B! C& @/ Z8 A4 g+ p
[trade-record-all] of customer) > 3 )
1 M9 w |; Z% ?/ o. d[
9 C9 M! F6 }7 G$ J( K) |: o# b* Jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 H' H, @0 n9 b8 o1 S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; e/ G, z5 k, A; s3 z9 h6 P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- v& B0 W( w2 l2 U
]
) i% f; i* T1 B$ ~( J]: b x- n! Q) z# W9 j
set global-proportion note* m4 V0 [ Y. }6 |1 r
]) d) B2 G2 L" R) J+ ]
end T; z7 ` Y3 Z! R8 F- H S3 P' O4 c
' G) w; V/ l% e- e+ a, i
to do-trade' @$ L* m" l0 w* n: n: i
;;这个过程实际上是给双方作出评价的过程
" j! d' E3 g9 U2 W1 E. v! _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 Q4 x, @* ~. C# Y( b) O# X+ Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价4 m$ ]$ k2 N$ ^# o3 T
set trade-record-current lput(timer) trade-record-current
' Z: I5 X( k# V3 ];;评价时间
+ i# w9 T, i5 l; S+ F9 qask myself [, \% R) p D4 B
update-local-reputation
2 @" v+ B0 A2 X- U0 `set trade-record-current lput([local-reputation] of myself) trade-record-current, }6 j& ?+ r4 v
]
& U/ v* K9 q$ j# l: b- i3 bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 n: m& p" R& ^4 C& c$ a;;将此次交易的记录加入到trade-record-one中
! j- Q- t3 g% D8 h9 S9 R8 T4 Cset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& I/ u# D0 A7 F2 N6 J% q; p/ \
let note (item 2 trade-record-current )
6 Z& ^: u3 G3 v! ^; a( Aset trade-record-current/ y! r! n. V* Y4 `/ b
(replace-item 2 trade-record-current (item 3 trade-record-current))
0 ~0 Z/ C0 @& Q+ p @. bset trade-record-current
5 {4 V; H' E) o" S(replace-item 3 trade-record-current note); I. m" s' d" j, D4 }/ o
( V5 b& m' ]/ b" y
3 c" x# J$ d) n& {) hask customer [0 C, ~/ A# H2 b3 c1 r; k
update-local-reputation
( w% i: W; C+ C: Z2 sset trade-record-current# C* ~ O5 \ i e( o
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : J: L/ u% ^, y; S* E s% O
]* w; S1 a4 l% E. \" \; @
/ D. l$ d& u/ O% d, M2 a6 l
% V6 P6 e% ~5 P! u% `7 Z8 Mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ x7 \4 _1 b' {3 A1 @0 A$ R
x+ @3 ~3 ?; @- Yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. K, C4 Z' `6 ^1 ]' c3 m) c;;将此次交易的记录加入到customer的trade-record-all中
% C: v3 K* B& f0 N) t/ Z" ]( Uend$ z+ E9 q- n( p: f0 L* y# u
( Z* o* X, S$ Z) L( c8 h0 P
to update-local-reputation( u; J ^9 M4 D3 `# N |# @! m# b
set [trade-record-one-len] of myself length [trade-record-one] of myself U2 w6 s. P' [8 s
! y* z0 Z0 O* _8 N
5 g- ^3 Y) ]8 K# ^% }8 r
;;if [trade-record-one-len] of myself > 3
x* e2 M* A/ }( d$ ]5 u' `- Aupdate-neighbor-total/ ?: U5 a% e# C0 g7 f. h
;;更新邻居节点的数目,在此进行
6 y6 [/ c# n8 L5 Z! Klet i 31 A) ^2 J0 o$ F. T' S3 g
let sum-time 0
1 g9 j. f" |) p1 V$ s- l; T: a5 n5 ]while[i < [trade-record-one-len] of myself]
. w. j2 F7 K" D7 a, b[& ^ w0 p% g" d- v
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ t3 m& P, U0 y1 L* H
set i! f2 Y4 h2 j7 h+ m, l
( i + 1): S0 ?: W' s1 I! ^$ S7 z
]
/ {+ J% \2 u; ^: dlet j 3) m& t7 i" R; H4 A% ?7 L7 R9 t
let sum-money 01 U7 ]! ^" I# ?6 I& O
while[j < [trade-record-one-len] of myself]& C/ c6 @' A8 m
[$ {' L) p2 |2 X8 m, z$ e( E
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)* T5 U! x) \- p" p; s
set j
6 o2 j! `( x% q( j + 1)# P5 U5 v7 w/ M2 d" Z
]
5 z$ T8 K' {( j" G, ^let k 35 w! E8 R! L4 N- M6 u
let power 0% B1 @' m! L' x* C) W
let local 0& b( n$ Y+ B; Y
while [k <[trade-record-one-len] of myself]
% F6 V1 l! N5 C8 z( d1 d# C[
8 A' W( \0 c2 S# A1 _* ^+ Jset 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 U; q" o* \+ o% }! Y( g8 [4 V
set k (k + 1)2 f6 I- g/ _0 [5 q0 R
]; \0 N' N5 W1 ^# g" I/ r b
set [local-reputation] of myself (local)
& r: c; L; u, C4 ^& K7 qend
; b( ~0 f; c& ~6 i
' w5 z- e. W6 y: s+ x" X0 o, nto update-neighbor-total
; `9 J7 L# y8 O, O% d0 F5 Q4 N+ P7 C
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ W; T! n4 Y" T) M2 [; g8 t- u% ~/ v) @
7 z" o* O* |$ ?1 E6 y4 F# s
end! D/ q+ R4 x) g3 A( \
& ?# f r% Y) P% G
to update-credibility-ijl
/ d7 W/ N' |$ o2 G+ {9 z
; e9 k$ \* {: t. i/ o9 w& ^;;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。
1 B [8 K9 F7 Y; m! @let l 0
" j/ L- L- G4 U# R7 D+ ]" Q4 [# nwhile[ l < people ]
# z) e, Z- t; y- K; X/ W+ t;;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9 C2 e. ? ?6 o; w# M& E
[
8 p7 {; ~1 X) B( o0 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 N$ M3 Z3 U+ Z6 T; U2 F% k
if (trade-record-one-j-l-len > 3)
8 M: z+ n6 N' l: z' ]" |! \[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" j9 t1 C) j( K1 L' \" N
let i 3
- J: |6 A( ` Z1 B. qlet sum-time 0
, @- g7 b, e8 dwhile[i < trade-record-one-len]0 R( u) j& C$ o$ T, {# s, u8 @- a' V
[. P+ ?( O$ R/ c. s4 D
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 ?: l# l* s6 Mset i
. ^! i6 Q* `. F" o6 Y" q( i + 1)
2 U& N* x2 g% q7 B4 T7 S; k$ F]
" \; F+ B. ?9 \6 klet credibility-i-j-l 0' Q1 g9 G$ c1 l: n
;;i评价(j对jl的评价)
" C( f; a; n5 h |6 Zlet j 39 o" X' l* z5 k4 _# D$ B9 U0 X1 }
let k 4
$ I; ?: s. l" J9 s, k/ a& _while[j < trade-record-one-len]7 }: ?3 k% a' V: k, k7 f6 t$ M! h
[9 A) \5 m4 R: g4 x. e5 `# p, k
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! S/ J: z. n- Z
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)$ U; F L" ~4 u% H, }
set j
* @6 H, R8 \' L1 v7 Z4 b) J( j + 1)% {+ h0 D( ]; ^1 q: W- J
]
) s. ?) e/ n2 Bset [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 ))9 _6 J% Q2 a# x. \( b6 G
8 w5 D# c6 t. o0 I4 l* t
+ t0 [3 K) t( ~* b, k y, Qlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
* B& o9 S, ^9 {5 ?;;及时更新i对l的评价质量的评价
. Q4 a/ J |7 k+ i" t! A& yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) D/ j& v) n( }9 `- c. f G
set l (l + 1)9 n/ ^- r4 p* E
]
0 c5 M. M; G' P; _2 Y+ R u cend; I. |, R% k, S) {4 g5 R
! w' F: `1 K* | N. R2 w. T
to update-credibility-list4 s2 a* E) J0 a9 K% a) Y/ G
let i 0# G' H! m8 I9 F. o. X
while[i < people]; \9 W! _7 r5 G7 b
[
+ ]2 r+ O {! J9 @, W, W" L6 ]let j 0
) R. ^8 o6 t& l, dlet note 0) @# X o* n: z1 q$ T
let k 0& O( i( J. T! y8 q. x7 j
;;计作出过评价的邻居节点的数目
/ @: U; r. o# X) x5 p* e5 h( lwhile[j < people]
$ s$ z2 N; H, E/ |6 k8 t8 k[2 B1 u' Z6 B! @0 K
if (item j( [credibility] of turtle (i + 1)) != -1)
8 W5 t7 |; c, W" N' O- F;;判断是否给本turtle的评价质量做出过评价的节点" q- M: ~! R' U8 b0 n1 A$ J& U
[set note (note + item j ([credibility]of turtle (i + 1)))1 M! Z- G n$ `0 C/ Z1 G3 o
;;*(exp (-(people - 2)))/(people - 2))]
- I" U9 Y: T+ s4 b! Hset k (k + 1)6 H K- L: d9 W2 Q4 ?6 V
] }+ r1 x2 a, G! A+ {
set j (j + 1)
( @% _; A4 F9 u$ y# I+ d]
3 L; m; g, z( i0 Dset note (note *(exp (- (1 / k)))/ k)
) q! \& d+ ]3 \0 k& ^. cset credibility-list (replace-item i credibility-list note)% E2 A2 o$ B8 V
set i (i + 1)
6 O' p* @' c6 u" V4 ]]
0 s) P9 T0 d1 R+ h6 pend6 r. E$ F" D8 i
$ k" E& y, ?) ^* V% K$ m% V( A+ Hto update-global-reputation-list- W: o( z2 q$ l( O8 s" v0 Q
let j 08 o/ f* Y2 h2 U! N; m3 h) p/ J) V
while[j < people]! C- f0 y" S' m# l3 f
[; Q8 k% Y7 U/ W3 f% {
let new 0- O i0 L a9 O4 ?9 s
;;暂存新的一个全局声誉) N1 S& F8 j: w, [. C$ b! H9 j, ^
let i 0
1 F8 J( V) _8 y7 ^/ vlet sum-money 0% V" y" N) E% N* y4 J
let credibility-money 0% G! t! E9 U) U W" y4 f
while [i < people]4 T! l6 N( m( t
[1 w4 X9 W; \( A: Q' G& k9 q* v' o
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' K0 r* T& r4 j) S& X
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 o1 V7 i9 d1 i& G) t1 F7 @7 Xset i (i + 1)
: V: L4 \2 w% v3 R( Q9 []/ S2 \! n& u% d/ `& a8 E4 `
let k 0) x# s9 y& o# @" v+ s& U
let new1 0, |* G/ O1 Z) l! L# I) Z) [: Q
while [k < people]
* k7 I0 _( }3 }* N7 ?2 m4 w T[
0 I" I# F; }" w# l5 fset 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& O- n5 c _( a: s* `
set k (k + 1)
# h1 k$ D9 d c5 W5 n], c1 T# v9 N8 P
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 3 p& _+ \% V# p1 b7 a k& O w8 {
set global-reputation-list (replace-item j global-reputation-list new)
3 ]* d7 O$ `) Z2 e9 b$ Yset j (j + 1)
6 d+ }" ^: S. N( Z3 @$ X+ }! D$ k]
4 `1 ~- i( @. J+ [+ X: J7 o; {) }end
5 \( N2 X0 {" ~' \& z& x
( T( n5 Q$ [2 w' Q, Z" R, b% N3 `8 ]$ P9 A( I
% F% W8 e+ ^ o5 F" W* Z2 g5 J
to get-color
! U8 z8 T {; s( k
: c/ J9 p8 Y! |9 |: o) w4 Kset color blue. F T7 ]% X0 h. c$ K/ x `: ~
end, M( \; O! X4 `4 k3 \5 q* R$ ]
- ^( F6 q. V/ o. tto poll-class
6 T- @: h: ~1 X$ k! A; iend
7 [6 g2 D- L! K8 s j$ r2 A8 ^! P% u% Q
to setup-plot13 d8 Q8 H# `, `0 S
+ j, |1 J0 v1 ^7 S' x
set-current-plot "Trends-of-Local-reputation"% }* F- O( s. J% n
4 L8 T* r; l% [set-plot-x-range 0 xmax
% Q( E* o# e0 K1 W- K# T$ ]; x
+ t" r- b+ w: ]: N( Mset-plot-y-range 0.0 ymax$ Z5 o+ }. h4 c) J" `" _8 X
end# R( M ^* I& j/ i8 x- M! m
: t r. o: @4 C G1 u) Mto setup-plot2
& W) d0 _+ j0 N0 G* B8 U R: l5 F5 x$ c8 ^0 E( ~ |
set-current-plot "Trends-of-global-reputation"
+ Z b0 s$ z5 e1 p$ E! o) [, I( A/ ]
set-plot-x-range 0 xmax7 d) X8 P* X; ] F) f2 R
; K$ _6 U- m$ c& L5 yset-plot-y-range 0.0 ymax
8 q8 W8 S0 a& O( `* vend. _+ |' r$ k; f
$ Y. B8 F) {# o4 I8 nto setup-plot31 m+ F5 @( z4 B; i9 r
N9 o! j n! @7 I2 u, |set-current-plot "Trends-of-credibility"
7 G4 i Z# k# ?3 u/ R6 \% A) `/ Y* z: U3 P+ S; y+ C1 a W, n& f
set-plot-x-range 0 xmax" z& B) g6 C. p4 s# a, A
) }) R0 s8 F: E m8 w3 ?: S
set-plot-y-range 0.0 ymax% G6 S7 T7 N2 A' s$ e9 x3 h
end# B6 L# \0 S" ?8 Y. c
1 K) \" q6 x/ e. ]( D
to do-plots
- d5 z8 h) V4 Aset-current-plot "Trends-of-Local-reputation", s5 `! k: u2 `* S7 Q, g! B
set-current-plot-pen "Honest service". ~% ~% V6 `7 z7 A5 R
end
1 G# U0 Y' L8 u4 u% ]! q% e* Q& W
[ 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
|