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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
" n' r9 k [; c* \. cglobals[! V a" w/ l3 a
xmax. L6 w* e2 r- ~# X
ymax) j; l% F5 E/ j4 k. P! B1 o
global-reputation-list
- H, R/ I% t) e" Y2 B, |2 C0 d5 @ O" r+ A7 \
;;每一个turtle的全局声誉都存在此LIST中' `) h3 E& W* ^' L6 n* N
credibility-list
& ~: C/ T6 X4 g" X1 W; u* Z;;每一个turtle的评价可信度
9 _6 C) Q" t3 E3 x2 |0 j- ?honest-service
S" }. b6 V$ |' k0 M8 munhonest-service! l1 ^; k0 v" L; C" ?
oscillation
7 [. b7 W( k( z! Y' Z4 f0 Brand-dynamic' ]" E0 N4 t$ z+ Q& X
]
' I- {4 ~ N7 h! P- ]7 @9 i8 `
% l1 [' e( K+ p/ _turtles-own[# P# G+ g% E: G0 O; D
trade-record-all) V2 H' o8 s8 m, q9 n" X
;;a list of lists,由trade-record-one组成
5 l- x0 P u. Ytrade-record-one- r) R- h/ e% [2 B d/ 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
' x* d$ o0 J" S3 k7 @9 b6 \; t ^( U4 _; |9 V& e# H7 s, 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]]; ^, Z$ \! h+ f6 ^5 P: C" @
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]
5 j0 v' e# [, Pcredibility-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list8 O0 {, H" ~/ ~ |' i
neighbor-total9 U0 u; b7 j& t1 J
;;记录该turtle的邻居节点的数目0 x5 n6 E- o+ f0 B
trade-time
& m- _2 H# x( A( [3 J& C, O;;当前发生交易的turtle的交易时间
) w# \# [9 U/ Sappraise-give
) ~' m" I b' |9 |;;当前发生交易时给出的评价
! A3 q/ g# y- _2 I8 \& \! Vappraise-receive
% W' ?# E; s) u% @7 b;;当前发生交易时收到的评价 ^- ?. b* h9 a4 t+ |5 ~
appraise-time- _6 [6 |4 a; h+ V
;;当前发生交易时的评价时间
2 }* ]" T5 X2 `' f( x) I% dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
7 |' Q$ Z) B K0 i5 Qtrade-times-total
/ F1 F+ k9 W/ l5 Y: o6 @- a" a;;与当前turtle的交易总次数
* N, p3 ~" j& _ L- i! qtrade-money-total
& c# S& `: k) E6 g;;与当前turtle的交易总金额/ I1 U/ Z" x+ ]4 e& K" g E( y
local-reputation
" q1 l1 J2 y/ }7 U1 l% r8 s: q: \global-reputation
+ l% T. t& g8 l$ X8 Y" G- ccredibility% A' U9 f7 o) [1 @
;;评价可信度,每次交易后都需要更新
( o: f N$ l' E; m' Ccredibility-all, @5 L8 l* [' Z. {+ F3 w
;;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8 J- F! h; s! k3 s( V) @. e
% g+ W$ o4 r# @# x1 K
;;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0.59 T7 v( @; j8 g+ z7 T3 q0 [
credibility-one1 f. ?! |% `+ j/ Z" s" X
;;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' w" r# H" Y5 h) @! Y" y, z
global-proportion
+ Q9 [8 S) ]* Y. n0 l& B! H4 zcustomer
! A" A5 {1 G! X3 ]" I2 d$ e6 g* |customer-no- o0 i* f1 `- [0 j3 J4 X+ G- H: [
trust-ok
* ]) a O! a; l8 r ~trade-record-one-len;;trade-record-one的长度% Y0 j2 d( I h
]" E6 D% |, l1 ~0 _0 g6 F; L
% A( \, l2 _3 `- M) d" ?4 A;;setup procedure! W* m# w4 W4 A9 Z6 [! y# }
& c- b. J8 ?4 B. G+ Y
to setup
) y; D8 [; ` I/ s
+ W* ]- K, L; b Oca
# K* {* b6 t* E- j) [3 c7 _# v5 b/ [
q$ n: f& y' qinitialize-settings
# B+ E0 ?* A7 M6 d$ U
: V- Q+ \) O; r& Q) D6 jcrt people [setup-turtles]
7 G# ~ S4 o' l+ I; J \3 X7 N! d6 I9 E3 [8 d. `. [
reset-timer. g* c( i: m4 S4 } }, x3 T+ b
9 D5 ?1 S" k5 q' ]0 `. Q- ?
poll-class5 q4 H3 b$ Y& N2 |" O
, S8 y. e; y6 ]
setup-plots
) a- z& G; L) X' r3 U# ^; |/ ?3 n' j
do-plots. X" z6 S& V# ?8 W
end
( B4 L v9 _2 s" c& ]# D8 |/ {$ b) Q
& W ]. t& {& B u, R* cto initialize-settings) a# W1 z$ U4 O+ \
7 A$ e2 d' V9 f9 X1 Zset global-reputation-list []) P5 @: d0 T8 I! x) l2 r
7 e) [5 T! C, U$ _+ H/ M, m+ A6 f( t C3 R
set credibility-list n-values people [0.5]
! I; Y: A5 S, V" k3 ]( l& t( _( C7 u
! q3 F9 a- L+ u( kset honest-service 0
( V0 ]# Z" ` k2 j" c% r6 _: A
. k+ Q' [* u# ?$ j7 w6 [% aset unhonest-service 0
$ W, I; s: T& a7 q4 H+ U ?4 c8 G' O$ c& Q1 Z( p# Z
set oscillation 0
5 L% D% x: {' l0 I1 N3 P, I3 t8 Z5 E$ x8 f: c, d5 ?4 |/ n% }) J
set rand-dynamic 0* }% S# o; ^- \, N: D2 C2 [; K
end$ r5 L; _; O; v
0 b: G8 x; t% r( q2 {+ D
to setup-turtles
5 `1 A- ~4 L) wset shape "person"; A4 M- ?" i; j4 I- [0 l
setxy random-xcor random-ycor7 J" y# `/ s% ]; y5 o, [# J0 B
set trade-record-one []* ~8 r, L8 o( R9 t$ X0 p$ o
3 d. f+ S0 @. W
set trade-record-all n-values people [(list (? + 1) 0 0)] 0 j8 a$ i+ e: o3 t
" z8 q4 F, [; I* P2 Dset trade-record-current []
/ o+ J- f8 O4 dset credibility-receive []
, b/ K" L* {1 q7 W) _7 q, M% bset local-reputation 0.52 O+ y/ ?( _9 G4 p
set neighbor-total 0
3 r" V Y6 c( F& ^- p6 x4 \set trade-times-total 0
! q4 v3 d7 E4 tset trade-money-total 0
+ @! t0 R5 F, [2 Aset customer nobody
+ e% C( u9 m# g/ D7 ?) p4 c- Vset credibility-all n-values people [creat-credibility]9 a6 p( B$ m- @. `( M! ]/ a4 H
set credibility n-values people [-1]( {$ D! x+ S& M
get-color8 e/ p1 l Z5 j2 l: {7 T
0 O8 l$ [. U- [end- w; w4 t# a( S2 B' \
, k: o/ N. ]- q
to-report creat-credibility, j6 Q! ?8 l" @9 s
report n-values people [0.5]7 T1 ^0 T) e- S; g+ p( a
end
9 h( T9 y0 X: }+ _: l( f. z8 _3 j ]: o6 Q# Q: R
to setup-plots9 A% T) d" y- r) z( C
( N) h1 @: k O: d5 [+ bset xmax 307 W: F; F$ p% t
2 Y' h) M+ j* A- Bset ymax 1.0
) v4 j; }* Q0 d4 W; x: W8 K5 u* U8 T
clear-all-plots$ r' c, e" a5 A9 [
3 R V3 v% P% R6 e& q
setup-plot1$ _; X2 A' W, z7 J Z; c! \9 M* b
" U6 B3 ?! ~: J0 p& u, C2 G
setup-plot2
! Z7 N) K7 b; N! j: y( H
& o* |( a- s" c/ `! W/ a# Hsetup-plot3
& c, F2 g2 ]& E# q, Jend
4 e$ G' l+ e& l5 i% j, F' `# V$ }* Z2 p/ w/ [" i
;;run time procedures
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# m7 x5 c( r& t4 ]4 Z2 ~to go @8 w0 n8 b. h) P
# @( U. r2 \7 }7 c+ \& Eask turtles [do-business]
5 m1 N4 C1 G4 g. a) Q xend* k5 m/ w, [' _. p1 \$ r, P7 n- I
* D9 s1 W/ P$ H$ k9 d3 J0 Y* B6 k
to do-business $ v' t: B3 t: D1 G, k
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/ x" g0 K4 i7 I) p5 y# E5 s) X0 c
rt random 360
/ [# j6 C% h% H2 b
9 g% n' f/ z/ p. E, l6 T) a2 }fd 13 U5 W2 n2 k9 u' c" J& x0 d5 c" h, R
: M6 M) S8 f7 e" H
ifelse(other turtles-here != nobody)[
8 f! J6 b1 W' r/ O* }& i9 F0 n: B: i4 C% S3 b* z& {4 f& ?$ F( `
set customer one-of other turtles-here- c, g( S z0 B* ^& r! Y
* k1 H+ F1 H; b% V' N6 g# ~
;; set [customer] of customer myself
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9 Z1 @1 `4 ]: q' d8 m& S. ~; Bset [trade-record-one] of self item (([who] of customer) - 1)
% G/ [! L% f1 c& F7 c[trade-record-all]of self
' r# y. ^1 Z" R9 @0 l;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 V3 t, K; ~/ ]2 E1 B7 Y
0 t% ]! o6 w3 ~ {2 I2 a' zset [trade-record-one] of customer item (([who] of self) - 1)
4 F1 c6 P) v* \% x[trade-record-all]of customer
- i* C+ [7 t9 p$ R; q9 L
# d0 f5 }7 C t/ {% lset [trade-record-one-len] of self length [trade-record-one] of self# g S7 [* R" b0 Q
! L8 }. x0 @9 a$ z' V. C. v5 \set trade-record-current( list (timer) (random money-upper-limit))
' P( [" n1 r- |$ B4 s5 x, R r2 L* t9 ]2 X) ?' }
ask self [do-trust]
1 W/ ~: T! v5 d$ u0 L/ m;;先求i对j的信任度
6 ~2 }/ g8 y! ]8 O
' p: H' e" w8 v8 p3 V4 mif ([trust-ok] of self)* M2 ^3 [# I# m8 c& p4 o# Z+ k4 }
;;根据i对j的信任度来决定是否与j进行交易[3 p4 n7 w, V; Q+ r, X P+ ]2 {
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
4 `4 S [; T- _' F4 L# C: s @7 o( Q! ~, e, w8 ]2 @" Y j5 H
do-trade6 K8 T9 C2 ~5 m
0 g* t: W3 F, Q3 G% o) S: @update-credibility-ijl% r! T! E6 `& L% y% s0 k
/ T3 F! O9 ^0 N+ u, |9 J) b9 m4 xupdate-credibility-list/ k. g; t/ w- i7 U L
+ ]2 [. f% }, L5 T7 t7 w _
! e: S! d% L. J4 |0 N r+ Uupdate-global-reputation-list
! H: f' W. s9 ?3 Z. G+ d( p0 d* I) {% X: r& D
poll-class
3 {! y, H9 s0 @: k+ @
7 U3 o* U X0 A! e5 g! y8 kget-color; B# R% ?4 D4 z# w, J& e* j
7 s! [; p* Q3 ~, N- E1 d, D]]
" q9 ~8 X+ n( I( X0 o- U, S- t! s: v5 b7 D7 w
;;如果所得的信任度满足条件,则进行交易
1 M) X% W" b+ q3 a( U( [( t" L1 @9 `5 _/ m
[
5 |! H3 o! @+ e- n @+ [- x; ~4 s& D
rt random 360
$ [/ Y1 k5 z% m- i
6 R* A* [0 Q5 Mfd 1' Y& ~( S: A$ c6 \$ B9 e# O
2 ^: E% x8 |" {' A$ R$ S" `. t+ Y }]
4 D; Y$ F2 |) B9 x2 n, h% H7 q" G4 P# u( R% p/ Z7 p
end! q! }) s+ j3 q* d0 H$ ?
$ u& ~# u* c. n- D; U0 W9 Q; d, k
to do-trust
3 t6 N p/ g: A ?set trust-ok False5 R6 i. M/ ?4 K5 e
1 u' A6 E8 ~8 t6 v4 v Q; P J3 c( q6 S- c% n6 S" I
let max-trade-times 0
; P- P' m! [3 Q9 rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: ^' f& O1 \# G" K$ tlet max-trade-money 0$ N2 n5 k7 f9 R4 Z; G+ | k; i3 _
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, _& ]5 |) [* |* zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- B# D1 ]+ a _) R6 ]5 Z# i( Y B( b/ j( T1 ~
2 \' R5 H; i! F& M( A
get-global-proportion
- G+ J4 f5 t5 x, |) i3 N5 `# Glet trust-value
; Z: J3 J# q4 k1 o: ?& b& a: klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* k, B% R( L1 f0 e& |4 Oif(trust-value > trade-trust-value)/ ]; | \+ B, I
[set trust-ok true]
2 U+ i+ \; I4 z; V( ^( w- Jend: o# h; I& w+ \3 r* Z
/ {4 Z W( x8 B; z! Y1 P7 h& Wto get-global-proportion/ v% j0 V9 F- n! t- G! i
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% P* }/ \4 s8 U3 P9 m$ b
[set global-proportion 0]4 N1 {8 _+ M( A, |& K
[let i 0
0 {2 \5 K, ]& E$ \# h. mlet sum-money 0
8 ]0 u6 P6 z: ?, fwhile[ i < people]: D R1 \. ]: D1 d; m7 o
[
" y! H9 z2 v4 A5 y2 eif( length (item i
' n- h' g" ^% {7 W0 ~[trade-record-all] of customer) > 3 )
+ ` S5 P- j$ C1 V[( b$ R$ j+ b, I) O8 R8 T l2 \$ G: n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ ~! g9 y8 I2 Y, ~( l! y4 d]
; s m& ^1 i/ D8 z8 B6 x9 ]5 i]
$ S, ~) J' G/ M3 ~: z& Wlet j 0: u W' x3 q: h% C
let note 0
$ ]$ W/ F9 i$ U5 Cwhile[ j < people]
0 n7 O, I4 _$ n* f5 e; B" g2 R4 X[7 ]% T6 J" N+ j3 p2 f7 G7 X
if( length (item i
- `* C8 c( w$ _[trade-record-all] of customer) > 3 )
6 ]% i; i, U$ X2 \- e& F8 Q[) A, D) J& Y+ { }; N+ l
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1), I2 H Y) w4 o w
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]: b3 \$ a9 q2 v4 ^7 G
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' I+ j! l# Z& x1 s6 K+ o' i: h% p]
( w# ]2 |7 R: m" H]
, }, x) @ {, O' cset global-proportion note, t: ^5 }% s1 ]% c- z# Z r
]- O/ }- N$ _ n/ [6 u8 b, t$ W
end `3 X( b6 s$ r# O) l
# ~1 _* B+ X0 o0 ~
to do-trade/ f. m$ }4 L5 f2 l! |
;;这个过程实际上是给双方作出评价的过程$ p7 d; i7 s9 V, V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- H% B- z U fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 r4 Y1 e7 ?8 l- l" L- {
set trade-record-current lput(timer) trade-record-current
2 g, [" b/ ~- I2 K;;评价时间
( C% z8 X# B/ L7 [% |3 b( Gask myself [
, m! B0 X [/ j: }: s; H7 a+ xupdate-local-reputation
. s- a4 l; @. _/ w8 wset trade-record-current lput([local-reputation] of myself) trade-record-current" a6 A' B \) s% Z/ ]( R
]0 k5 Q1 H9 D7 [+ x- ^
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( ?3 _1 t N( P3 ]" _;;将此次交易的记录加入到trade-record-one中$ O: m% {; U# s2 L$ C- q! j7 p
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# n! I5 t _) R0 Z# c4 t
let note (item 2 trade-record-current )3 @0 S7 l6 g5 R- a- v- L
set trade-record-current
' @5 J) D: Q, s3 b n(replace-item 2 trade-record-current (item 3 trade-record-current))' A' a8 ~3 H. H1 H6 {$ o
set trade-record-current
/ I1 C5 q: B& P0 ?- ?5 x, D6 G5 U' j(replace-item 3 trade-record-current note)
2 o- b5 ^& U0 A" t" R% K* g* F
$ m% l/ e$ {/ o, t0 r* R8 v0 ~) d8 @0 |
ask customer [2 K- _0 r: a* j& Q# Q3 G
update-local-reputation
" n" N4 P1 h( v" Bset trade-record-current* }& R7 r; Q, _9 a2 {- ~
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 a+ n! D& g) o0 d* }8 m* a
]
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% t- {; t2 x+ c6 {& F
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: S8 H% G! l4 e6 G
: H) `: v) l) t/ ^* J- c/ c' S7 \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" E% P# X% P& y. \4 Z/ b
;;将此次交易的记录加入到customer的trade-record-all中
" {, d1 h8 h* ~7 z* I9 _end- P& x# A4 o0 f+ m+ P' {8 g5 h
! E7 i& P t5 [to update-local-reputation- S' Y# U G9 M0 F! z0 e/ o$ A5 `
set [trade-record-one-len] of myself length [trade-record-one] of myself5 a" y9 K1 {* f; l# B+ i4 P5 `0 N5 l
5 c, S- D9 M# L( A" {- h' u, b% ]0 a+ j# |0 c% g
;;if [trade-record-one-len] of myself > 3 / c% ?& C7 \2 Y5 t( z6 c/ `
update-neighbor-total; _8 c+ c7 c4 w! n( _2 W9 X* _
;;更新邻居节点的数目,在此进行, f5 n$ K% Y9 j, \4 M1 i0 ?
let i 3
/ V* j2 h8 q0 I/ l; g/ A( M* J9 Q flet sum-time 0
! [0 y# c0 R8 o( ^ dwhile[i < [trade-record-one-len] of myself]
: T. W, o* l% `& ~9 V[# t) m) h" g5 b( v" k) u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). W2 i0 K0 M. J# L: z* D j
set i
n, N6 t' _* Y" N2 q( i + 1)& U! Q5 k$ x) U: E
]2 o! G5 H( V6 W' {' }/ L
let j 3
* k3 b$ f- H) Z) H( _; o0 Ulet sum-money 0
+ h0 v! n! |% Q5 l6 n0 Mwhile[j < [trade-record-one-len] of myself]
4 v1 r; O$ N: M* f[
5 F# ^. T6 X: w! z- M- e y* Wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 c4 R: V/ B- a p: x3 V* T6 I
set j
/ D5 W" f! O4 m. O$ C( M( j + 1)3 ~3 D& u1 j7 t" M+ F, ]9 u
]
0 k7 w4 w I, \! glet k 3' M. i% K( ]2 [# N8 w
let power 06 g% u# X9 x; k! S$ ?4 l
let local 0
% o# n) M& u, ^2 A8 Cwhile [k <[trade-record-one-len] of myself]- u+ ?# I" H4 {! ^% T4 A
[
- S" O8 y6 t. K) v4 r. {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)
( Z9 d2 R F' Tset k (k + 1)
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set [local-reputation] of myself (local)
2 T# F+ ~. x" b5 Gend
3 T4 s. W& w r# b' U
8 V8 I5 ?0 Z" f# wto update-neighbor-total5 p4 J3 Z* m) y: @9 O
, I% ^; A6 v& H
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 _# ?$ g4 \3 z
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7 }5 K3 b) Y) T& Q4 i
end. ^& y1 G! Y- c
% @! x( t4 F/ y1 }2 _to update-credibility-ijl ; i+ D, v. B4 \! R1 H
3 Z P) S# l1 P0 F" K2 L9 P( 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。% i5 k9 H- h; h2 c
let l 0
) O" P1 c1 e: B! kwhile[ l < people ] l, K3 E0 i4 |
;;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7 J0 I6 R1 e7 e' z
[
( a) F% N2 k/ X3 ?0 `8 |7 k* Xlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 t+ Q& a% U! g+ C5 ^; O; f/ t
if (trade-record-one-j-l-len > 3)
( Y5 H, `9 J" ~9 `[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. v( h- i8 Z( H# R* X1 R p
let i 3( H$ L0 b8 V5 b3 |
let sum-time 0
& q' K' _, `% x$ uwhile[i < trade-record-one-len]
9 C* E7 I4 \# u1 E- T k' @8 o[+ R; ?8 q, c% `# [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! D: F, [( V5 n2 D
set i& j0 w H) g' R3 [
( i + 1)
f% f9 V: [7 T W9 n) ^" Q]- ~! `5 V G- b# d! b
let credibility-i-j-l 0( ^& e& u+ ~* W' N6 |. v# A
;;i评价(j对jl的评价)
; u+ |3 I# [( V7 Rlet j 3
9 u: y4 F% Y$ B0 zlet k 4. H3 D ]8 N9 v2 R- K
while[j < trade-record-one-len]
$ S2 v7 G, U8 h- e& w[
, _$ k' J* |! R; M. G# }0 cwhile [((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, Z) D) Z* J, @2 `, tset 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)
% y+ d$ r( L6 D, q) {set j4 d* l4 C7 t$ C( F3 M3 d4 i
( j + 1)% N: |- l! ^5 \8 r" V) J C
]
% S* \) ?. Z/ A8 tset [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 ))
6 L8 {7 Z2 a% @4 @8 \6 G; G) ]* j, H6 L, t
* l7 G9 _* n, e2 o% V/ [3 |5 g
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 N; {8 l- T& u' z( e8 [6 O
;;及时更新i对l的评价质量的评价
0 Z; m" B, t7 s3 ]6 J. Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 f6 b% o. u0 mset l (l + 1)* j% t+ P5 C. W0 X
]& j4 P4 ?" r2 W
end3 d: w5 @) j% e/ T2 y6 @
' D/ d' S9 }( R9 a& Y2 G
to update-credibility-list
# t) W. i3 g8 |1 c. U& X- flet i 0" n$ Q; U9 h" |: t7 @+ E
while[i < people]! m$ C. O8 }/ `1 j/ B
[& J! a5 e0 k/ y. y& I$ m
let j 0/ `6 o) y5 d4 L9 Y0 ?
let note 0
. r: l7 q+ _$ u) ^# O: q+ Y, Nlet k 0$ U+ b5 G R4 k- m: S
;;计作出过评价的邻居节点的数目
* f6 n8 l9 J8 }' {* bwhile[j < people]
0 U$ A/ c+ y$ u- d# S! h1 _& I) y! w[3 ?- B0 x5 I% Q7 e
if (item j( [credibility] of turtle (i + 1)) != -1)7 K5 {$ s& H3 b0 n* ~- y! K! D
;;判断是否给本turtle的评价质量做出过评价的节点
6 ]2 }7 e- e: `/ k[set note (note + item j ([credibility]of turtle (i + 1)))$ M4 H% m$ a% M" ~& u! f
;;*(exp (-(people - 2)))/(people - 2))]( S3 S/ K' C! ]5 X" f! ~9 H4 ]
set k (k + 1)2 s6 L6 k, }. U8 k
]8 \3 U$ w% C+ @2 e9 \8 W' m6 x
set j (j + 1)
& }: B. D( P8 |3 o]
$ x8 P2 S$ ]! uset note (note *(exp (- (1 / k)))/ k)
: S! ^& v! b, p/ q! }3 N0 v/ ?set credibility-list (replace-item i credibility-list note)
7 H* ~% A) x. Y3 oset i (i + 1)
" r) x" P! J* W' @& f' V7 ]]2 D/ y$ Z. p6 S/ N& w+ P2 ]6 h
end
! a4 |5 }. U# }5 ^7 z% h6 _ R0 ` Y& y
to update-global-reputation-list
5 l3 s. f- c: C1 r! k) ~1 y3 [let j 0
( |& j5 s$ B( _! _: P- _! ^while[j < people]: c( t: T& l+ @" I
[
! s6 M. V# n0 L; N9 J5 ilet new 0
; Z- Z @ \, B: c- B8 J3 Y) o;;暂存新的一个全局声誉( V7 ?0 x, u9 I) h
let i 0; D7 e4 W ?' W( N* O
let sum-money 0
/ Q. E! ^4 g+ ilet credibility-money 0
w" E) O) y7 z3 C& {1 Kwhile [i < people]( Y: P; h- @0 ~: Q+ A
[/ l, n2 v( \3 g; ]9 ?
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
! u! \8 C( }7 G# G( p. @. ^set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" I* ~* a1 W0 y2 p4 z( X' p( mset i (i + 1)
9 @) L$ v( B! l6 N) v# L6 H) s+ W]" e7 f# {5 _0 D$ {/ n
let k 0, i# u/ U: V3 D* F
let new1 0
, I. J% M t2 L" `while [k < people]
) v# s" v; q5 R6 D, ]- {, }[
- c \' h6 [# w, ~ D4 |3 p* Mset 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)
, r: C: W. p. ?) L; }8 lset k (k + 1)5 S. D% n4 a) d9 H& J
]
& Y# b, o# f% ~0 S6 V+ w, Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 {7 O+ R- n0 ]1 W/ F+ _* ?6 |& \
set global-reputation-list (replace-item j global-reputation-list new)9 r' F7 g( T0 @ h, F* l
set j (j + 1)
+ y9 U% p2 p1 v+ B/ A0 I]
: S" I, [6 R# B! H! Fend( Q7 @+ S( k4 t0 v
; d" ^( u* k% T8 n# Y5 m
% Y3 ?/ L/ r: ?0 {& F
. ^/ ]3 r0 \- R* G+ K2 x% n! P# \+ E' {
to get-color
& _+ _/ S1 s7 [9 c4 h5 O h* \4 g% U( r, z, j y
set color blue" A/ f) B% h% F+ A3 t t
end1 z. \# t5 X0 Q( M
" T# y, k( i5 a$ N# k
to poll-class7 R0 C; w. g8 O" u ^
end
! A: P( j8 M: N9 o1 x# ^% x0 R7 @8 |: H
to setup-plot1
( d6 [3 |, N" Y4 Z4 I2 e7 H8 v
# J( ~8 ^2 C' Z9 C O0 lset-current-plot "Trends-of-Local-reputation"
+ a) E- ^5 q$ S V" K% [. M/ s" G; b6 H4 `* s
set-plot-x-range 0 xmax$ v) }$ S$ s3 \6 V
2 w* ]/ S9 u8 m% u1 ] H+ rset-plot-y-range 0.0 ymax
& o+ {, ^7 h c. S. [+ E. ?end% {; F$ q B7 m+ t
7 y& V( X# }& }8 p1 j7 x# v! x6 @
to setup-plot2
" d" F+ O# H% P+ j7 J: \% a" _% O: q3 M% y& V- p |
set-current-plot "Trends-of-global-reputation"
) u/ K, ]+ V4 G' _( I
4 ~% B( U' f% w3 Iset-plot-x-range 0 xmax5 y. D, `, H* h# i: N
# d2 D, g, A0 j4 m5 s, vset-plot-y-range 0.0 ymax
9 p% }8 N) J: M$ [ R; Lend2 z* I* {6 j& [% s( M- V3 Z
5 i) [- h) y$ [: o6 u) X" Z5 q8 x
to setup-plot3 r% m: w$ E. Y
7 c% ~$ M B- p3 ~% {; kset-current-plot "Trends-of-credibility"
/ i: K: a/ G# `& _) I
* i6 t& f+ T/ t! _$ z/ Qset-plot-x-range 0 xmax
4 @$ I8 O, ^1 u- ^( |, m: S6 o( l& p' N$ ? Q R
set-plot-y-range 0.0 ymax
* d$ `7 W( \. W6 h/ ?4 K& Yend- E& r0 h( B7 {" W+ M
( m V( ~6 k# K; hto do-plots
: o' m# I1 d/ N6 L* ]set-current-plot "Trends-of-Local-reputation"
5 K; f ]$ x& zset-current-plot-pen "Honest service"
5 G( C2 U2 }! C4 R% q( c3 y! Y" wend# I( T$ E2 f* C ^5 {! S4 i0 f# B
6 l! }9 t7 s' G. ]1 c2 |[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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