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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
* }, M6 x4 |3 \( iglobals[
1 i* o1 Q, q- Uxmax! [ }7 m5 h, z3 C
ymax f& `# l0 r) R3 d8 t: G
global-reputation-list
* X1 U$ P; t: w# P7 S/ @! ~6 L' F7 O @7 ^% E: O
;;每一个turtle的全局声誉都存在此LIST中
; `3 v; h5 F3 \. V q. O% a9 o7 Lcredibility-list
- ^& U9 v5 {% t! Q. R* t0 S;;每一个turtle的评价可信度5 L" Q1 t! k: _; D, f. |7 {, B
honest-service
# P) h$ z4 k/ Y; x+ J5 funhonest-service
6 ^, {* u) x3 [) x0 c! V) l5 @- [/ Foscillation4 {) s5 |8 G# O6 B% G8 d. t+ q; O
rand-dynamic
( b, R- a# [" T7 u" T]! v' \ F. b. _" i, q
% Q2 r2 c) V9 S- |
turtles-own[& J4 `/ K1 e. o# [/ _' N
trade-record-all
7 Z$ t+ p1 S5 h2 X;;a list of lists,由trade-record-one组成( S! N7 V4 D" z5 t
trade-record-one T, \/ H' ?5 }* C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录9 h/ A0 P8 |7 r0 B3 H. d
0 c( M! K$ i6 L+ N' B6 o;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
' D) S: {% d( |- y. `trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
1 Y& D V5 k* \credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
: x% a/ m& l" \% R5 M, V; }2 X0 tneighbor-total- i6 Q# S% J, b& M. }& N, I
;;记录该turtle的邻居节点的数目
d8 X9 J, j6 ]3 o& y# L( P3 }, ~$ j' Atrade-time+ k: F4 m3 N# J- E% q
;;当前发生交易的turtle的交易时间
; v# R& i( j$ E5 ?4 ^% u6 T9 lappraise-give
- T. y0 r P: k& e;;当前发生交易时给出的评价% ~% n" ?8 U; e9 B) m( M
appraise-receive6 {' k; x" u/ G' E
;;当前发生交易时收到的评价7 D7 u7 A) J3 K* H6 ?
appraise-time& s9 T+ B0 }+ A6 u4 w8 J
;;当前发生交易时的评价时间
, Y) N1 m5 |9 Y) `0 olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉" M# P- q0 [, M
trade-times-total1 }1 Z C* M2 m# @* E
;;与当前turtle的交易总次数; i, j% i& o7 C) C
trade-money-total0 X: x& N( m P w
;;与当前turtle的交易总金额
8 \) `0 k6 m4 D1 w$ `local-reputation! P1 p# z/ v2 l5 W( h) h) L
global-reputation
9 y" f/ z7 R# W: y; k( r- L* y. Y2 Vcredibility4 y# e/ d/ s1 g0 I/ R
;;评价可信度,每次交易后都需要更新
, x$ i# W1 X& c6 C6 S x. _credibility-all
6 ~8 C# E( t; b" `& v. h& [6 d;;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
& \7 v% {( z6 @+ Z' @3 g9 y& O) x: k
# \; n( m v4 @2 t7 F$ H;;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
4 p. t' g6 C; {$ k4 Bcredibility-one5 p! m0 U U; W, q4 a$ ~! r
;;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
5 S6 L, _5 M: u* N9 c Nglobal-proportion
: G5 k) F! N$ Z" |customer3 X& z6 t6 Q% c2 w0 |8 _8 U
customer-no# M1 h; {, ~3 _$ h, y) Z
trust-ok
+ [" m a& n, L4 [+ Mtrade-record-one-len;;trade-record-one的长度/ {* @6 f' i) W% O
]0 ~3 U: m$ [* }
# f3 {7 A# k( V7 [1 M2 z;;setup procedure! ~/ m2 c! o s o# U3 E# H
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to setup
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ca7 q4 S; z7 V/ d% I G
# q& X+ [& X" J% b: r- \
initialize-settings) ^8 T) d6 S) g; C" }: i i& y# T
+ d2 M- ? j" @3 |) \( B
crt people [setup-turtles]3 w: R0 S7 j& u( W1 f
+ C1 {! `! d% H9 d; ^ d' _reset-timer
- w- Q% n8 ]( {2 b' a# ?
4 v! x0 t a% L6 |poll-class
5 M* A. I& }6 I7 ?; [7 h% |6 G4 `# _) K4 Q: `8 `1 u7 g. O
setup-plots1 O$ ?# s( V/ |5 t( y5 \ I
( A0 C; b$ @' S c+ D- C! |: _) r- |
do-plots
8 K2 d( b7 J' y. @8 Uend9 @$ X- T. {( F, i7 \7 Y
K5 i4 o1 n2 X5 d& r- Cto initialize-settings& M( G0 i* q' {6 a+ D8 U* F
3 W$ {6 I/ Z+ [ ^
set global-reputation-list []5 q5 Y& S% F# f$ A6 G5 y
. U' L) B1 K( i/ [set credibility-list n-values people [0.5]" l" T% P. @( i% g
) Q) S6 [8 K9 a& x% n2 j
set honest-service 0& p5 U! J4 E' U' G
. x! r+ ?: Z5 u/ j* c. G. X
set unhonest-service 0' X: l2 Z3 r: d2 U
- v0 k& E2 |0 S% e0 G' t( j
set oscillation 0% J2 ?' F R5 T# r. }- E( p
# f9 p, f* [ _! d+ }& k' W. J
set rand-dynamic 0
+ h5 z% g1 K1 O e2 Fend6 H8 P. N% a8 c
& x2 q& [2 y! h2 `, v) J' s. b* Qto setup-turtles ]# A9 r6 U% k8 J
set shape "person"- K X. i& g3 R+ V O! t6 b
setxy random-xcor random-ycor+ ?2 N# E& X( X& C* \
set trade-record-one []& S6 i8 P1 }1 f# g
0 f# r$ v+ p$ u. D( D7 ~set trade-record-all n-values people [(list (? + 1) 0 0)]
( c2 E/ h( D9 c( p
4 H% z. d9 I, z! ?2 y: ~* }set trade-record-current []
" d2 n. @* }% r0 f+ ?& y1 ~" Sset credibility-receive []2 r( X1 H4 j* ?
set local-reputation 0.5 D" c/ F" b3 g* v$ V
set neighbor-total 0
# k) ~9 R1 l$ ~0 xset trade-times-total 02 H) T8 k8 q& L, y8 ^7 W" D; ?
set trade-money-total 0
, }/ f: o* \( F0 }set customer nobody1 j2 l/ P- y& e
set credibility-all n-values people [creat-credibility]* |) R2 g" d. F( r, W1 [
set credibility n-values people [-1]4 M! w Y; `2 [5 G0 f' K
get-color
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end
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to-report creat-credibility
% T" c7 B5 h1 C6 y- k% j* {9 q5 vreport n-values people [0.5]. ]" q# `/ b% T# ]/ r1 `& X
end
! l. i4 R1 Z, Q7 H
- x/ g9 n! M5 J8 m) @7 i6 e# `to setup-plots
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! Q1 `5 x: m0 i# K) Q3 N" Iset xmax 30
6 h8 {. d0 v5 `: b% z; j/ P+ N1 z5 B) r) O0 O Q
set ymax 1.0
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) b7 p/ l2 h! ^clear-all-plots
0 T7 v) @% E: `/ c% o4 b
% r- |& W# l' q/ r$ R' _$ gsetup-plot1
* [ c$ n* _8 N5 {$ C2 M
% \- u! d% [7 b+ d" s8 ~setup-plot2, w0 V9 A5 u$ v- m# }, A: _
& _, d* _* q" [ |' I( qsetup-plot34 ?) b' p7 c9 c+ d
end
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;;run time procedures
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to go* m: J, ^" p8 R
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ask turtles [do-business]0 G$ H4 J6 [) f/ v7 d+ ?
end' [4 H$ H1 i' w* P7 s0 V# U# F
. X" n5 U8 k) ^4 P) L2 lto do-business
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6 {8 b/ i* t: x" w; F, d8 Frt random 360+ J' ]4 K) o# y# V k2 A
' ?4 f% {8 ^+ a; ofd 1
0 c7 E, f$ i) N0 Q$ |: p: w$ E" b) c1 N1 T4 k T
ifelse(other turtles-here != nobody)[$ S1 n! h& }, U8 G
3 f" o! h! P/ @2 Z4 ]) p- ?! d/ qset customer one-of other turtles-here
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;; set [customer] of customer myself/ A( J7 o& S, m1 X: U/ ^- E
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set [trade-record-one] of self item (([who] of customer) - 1)
}8 I0 A/ B* s8 G$ O' X8 E& }, ^) |[trade-record-all]of self
: O6 e* G' Y' E6 o2 e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; I6 p, i- j/ k$ }$ G) _
4 x# _1 r: v$ B
set [trade-record-one] of customer item (([who] of self) - 1)8 N1 y3 G/ d% E. W
[trade-record-all]of customer& w7 ~" W# ?/ k- o( H
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set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]6 Y; T, F# T: [
;;先求i对j的信任度
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if ([trust-ok] of self)4 I9 G; g% u; T- o6 z( W4 n
;;根据i对j的信任度来决定是否与j进行交易[- a, C$ ^/ Y% d9 w- h( k/ p
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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) X/ H# A7 W! {3 V F: F$ n[) @7 i; @5 u! B" S# q; W9 Y3 o
2 _; m3 W. _& a4 H
do-trade
; A8 c% @" ?" \4 Z& o; W* c4 R/ j# s" ^' q5 @( v
update-credibility-ijl
# d$ u/ K1 t" e3 L; I% N. j+ M' r& T$ b3 v
update-credibility-list
+ @8 m3 S* R4 t7 b2 S7 V! l: `8 g6 K t" y W7 Q, |. g
$ L% g' s% g4 p7 m. K; w
update-global-reputation-list
% m) o4 C+ W/ Z% n# x3 ^- n s5 S4 ?
poll-class
, U+ \, b! r) g" u/ ~7 t: A# L, {" |- ?7 b0 ]0 E
get-color2 R% j* T/ B7 @+ q9 E! u$ {$ u
- R& b, d* o4 j! `3 p
]]: D- h3 W2 q3 l2 w* o8 c- @
) Z# R) S4 D6 _+ X5 r;;如果所得的信任度满足条件,则进行交易
& w0 _ P# u# k" o! o' m# q& A1 D
[
) v! ]3 f( y- P% F6 S' ?4 e
, H8 T! |' d8 x6 t& G. G+ ^; |rt random 360
, h+ j N* Q$ L; `% s6 L
9 h) m8 }: `) ?1 X, H& wfd 1
3 s- R1 Z, \3 b/ k! ] G! Y, ^. u) \# m" \" u, E9 c& T4 n' S
]4 |! o5 |" b# S; {+ I7 z
3 T* C: k. c. v- d$ zend# D& K' K' l& ?% n' T1 T& |# A
, p5 n' B [+ g5 F/ p+ I- B
to do-trust * {# k3 `" j5 N
set trust-ok False' t2 f1 e( K0 q6 ?
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& G/ D8 C+ L. I* E& o! tlet max-trade-times 0: K _9 y# P! Z9 D% C
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) d8 c/ V/ ^, q- u' t1 vlet max-trade-money 0" h- D" L% m9 W5 A* r( v
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# e- o" @% J; A C; j- N# I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( c5 Z6 O; q* }- c. M
9 z4 G6 t5 o" L+ D, ~; Z2 ^. v
* o1 n- Z0 j9 ?get-global-proportion
" N- J1 O( ^, C4 _( Glet trust-value2 U8 c8 |7 x. ^2 l" @
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)6 w6 X, D( Q( f1 J5 Q
if(trust-value > trade-trust-value)
- S9 }; _. _6 `4 x; S9 o[set trust-ok true]* C# V( |) a$ ]- @# Y9 f/ }+ H
end6 p& q% E( a7 Q" x3 r
6 W# v; w7 d5 e2 y( U6 ~8 C
to get-global-proportion
/ t) A& Q8 w9 eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 i% h) K' y, H1 T7 h8 b' H
[set global-proportion 0]
+ t! j$ N7 a- W[let i 0
- V% @ b0 G4 M- @- F2 j7 Y: rlet sum-money 01 c r5 l* U! j8 K" G: j8 ]$ ~0 K
while[ i < people]
' l7 w" h% C0 I[
; g) N& d$ w2 eif( length (item i' N' r. T2 ^( O' G; W3 ^8 }5 w" g9 U
[trade-record-all] of customer) > 3 )
7 A, m2 I, o, `3 K/ I[4 a2 ~( g1 V: M# q; b5 S0 ^ E
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ D6 \- j1 K( F, d. a) y6 r4 f2 x& n
]
7 a+ @' r3 }- }]
, D& v) w3 P3 ^+ Alet j 0
" P& q$ w, x6 C# S1 xlet note 0- {) E+ y8 Y4 G. I! Z4 D
while[ j < people]! t$ E( F) \7 [
[
, M& u' K1 r( ]' M6 Eif( length (item i. ]; k$ z: F4 c0 f
[trade-record-all] of customer) > 3 )# y1 H4 w: w- u \6 Y3 a5 T: }- G
[
! j: U7 r! X/ O8 P( _6 vifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); h6 [* L! I" |9 g6 t0 l/ r
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' `( _3 a1 j: P a! A% J5 L& {* |[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 E$ m* K1 Q$ F1 T; G6 Z
], i( Q7 N- F% v- O! ~5 q+ \- {
]! p) _* Y: x& U% g) M6 x- S& N
set global-proportion note
5 T6 K& h) N+ R! B2 E3 I]; x: W8 k6 R! ~5 c$ Q. A
end3 I) T7 F0 ]; @; q' h' \% a6 P
: C6 @- y$ N' O& ?# m7 c2 }to do-trade0 J' c( Z# Z3 H1 j ]+ c% Q+ c
;;这个过程实际上是给双方作出评价的过程
; }4 a- U5 k8 B! Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
; C$ w. `5 q& U4 `0 hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; D% k$ T! V$ Q" @! y8 ^7 cset trade-record-current lput(timer) trade-record-current
& ~* ~$ a+ m& o4 s: e: c;;评价时间. k- ]8 ^; w0 `# E5 B) n
ask myself [$ w, N0 C d$ c$ B& S
update-local-reputation
7 _. S7 {. t" ^6 T# ~3 sset trade-record-current lput([local-reputation] of myself) trade-record-current: P' h0 E: `/ ?7 m L
]
5 z( M; _) T. l; @set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) l" U( B2 a# R" t6 ]" g
;;将此次交易的记录加入到trade-record-one中+ n: p/ b" U# ?) L4 G
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" s! @; p {; c5 @6 t4 `8 Hlet note (item 2 trade-record-current )
% i% B7 \1 W% L* z: {/ X- E8 nset trade-record-current6 k& _ j5 J3 z3 Z
(replace-item 2 trade-record-current (item 3 trade-record-current))
( ~% t/ j7 }5 [set trade-record-current
' V' j7 m* U0 ?6 y/ G(replace-item 3 trade-record-current note)
4 A: u) j( H; R
" O& M4 x1 z0 ^. A: ?# _
[, A/ g" W7 ^9 ^2 F! Oask customer [# h3 ]! |, R* [* `# K2 \/ N
update-local-reputation5 n. C7 ` ^5 G# w
set trade-record-current% z/ y; i8 T! _7 h! Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 q* j+ D$ f% B6 ]- _8 G; l4 H
]* k( X5 Z, O U7 d% o# W. c+ R
9 u: J. U) x8 J3 H' U! D( X4 k% f/ K/ {, N( x( D
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 R- ^# p" K8 q; J; ? c/ K) F& {% t, q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 G7 J1 o' N( r; i1 w1 j;;将此次交易的记录加入到customer的trade-record-all中
9 a9 ~) q7 x- t& pend
4 D$ z7 a& u0 I+ [/ A
M# X5 x. s1 n7 S+ I8 m, I/ eto update-local-reputation
1 M/ f( T1 u1 S$ Mset [trade-record-one-len] of myself length [trade-record-one] of myself8 d* l O3 r, G0 R; e2 }
9 `! s. a. E! Q3 @) Y! `$ Z% y
/ o& |% a7 i" f% A% P;;if [trade-record-one-len] of myself > 3 ( x! R- Q7 N4 B! B! v
update-neighbor-total9 y- t' f3 Y7 X) j- N3 j6 T- i
;;更新邻居节点的数目,在此进行
, s, j( T/ N0 @: @9 a4 F3 i' Mlet i 3
5 f" n. r. ~% Z! J9 ]4 r0 Llet sum-time 0
4 ?9 U: W, J# U8 z2 Qwhile[i < [trade-record-one-len] of myself]% E- O" L. Z3 p( d9 s
[
+ p1 P7 A# v& c8 yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 j2 u6 A: [! X5 b
set i, B! C# A9 |5 M" Y: B7 J8 _4 Z
( i + 1)/ K! B1 z1 w& e
]: M* N3 R9 s1 J+ W
let j 3
% W: M: Q4 I, z: n' o$ H6 t0 Alet sum-money 0
9 i9 p$ [( n3 Jwhile[j < [trade-record-one-len] of myself]
: _% D( {% R- f5 x+ c[
* F; f) ~9 o7 E( r2 hset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
$ T f4 Q+ h$ L$ i3 g; Kset j- m/ G( X$ G) ], U: ?3 X
( j + 1)& Q' F6 ^* a3 }; s
]
1 j/ ^6 h9 |) ]# b- blet k 3
1 |# A) X+ |7 c2 ^# E. |" Alet power 0
- G' N9 X$ P; }, L1 [4 w. nlet local 0, z! K# q# e% y( k
while [k <[trade-record-one-len] of myself]- ?. q5 s# D9 [. Z$ S; F4 J) p8 [9 W
[
( Y; a% V" v5 W) }8 ~& ^, C0 F+ B( Pset 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) 2 n) }" H9 l F% L
set k (k + 1)
5 {4 }6 ?; a+ P; b]
) c; J2 E: L: K! Iset [local-reputation] of myself (local)3 Z: F% i8 q0 J/ \7 ]
end
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" P. B% s& G xto update-neighbor-total. r: e% k1 g6 k( M, T
& v# ~2 |9 ~; W3 b' g, dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
: `& G+ r& k3 s+ j4 {0 ^4 j
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end- b9 m# s9 G4 T) } M" v$ R
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to update-credibility-ijl
Z5 ?6 p9 V7 M. p/ u0 ^5 @! t y
+ R' H% A8 E, }" r) b;;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。
9 i- [# b8 U% Nlet l 0
8 o2 T( U4 g, E$ [# lwhile[ l < people ]/ l& s* u$ v8 E3 ~, X2 v
;;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
& X& u) n _# K6 G ?[
0 f& A) o. j8 z2 l& Zlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 R) m, I$ u X+ M' r
if (trade-record-one-j-l-len > 3)
0 b2 ?% X$ l4 Q, ?/ k G4 Q8 ?[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
2 A) D0 S, ]- |* _3 ?. Ilet i 3" q9 d' I9 ^7 B+ ?+ T7 _3 `
let sum-time 0) R9 ]# P1 T% Q
while[i < trade-record-one-len]
+ o s$ {" L4 g+ r( w' _1 M9 l[, X6 m( f/ u" p! ]' u
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! I7 s3 f6 C# R/ F& j+ s. e
set i3 }9 [9 N4 d$ i6 a# ^+ A8 O2 [
( i + 1)
J- m) j5 D! } _; A7 p]( v7 u2 r5 j2 E, Q. w+ K
let credibility-i-j-l 0( P v$ ~& ?- Z2 Z$ A
;;i评价(j对jl的评价)
5 \! _( b0 R& R# Q1 X/ Mlet j 3
+ U- O" B! M, O" o0 |8 C/ flet k 4
6 k; p8 C' K% Dwhile[j < trade-record-one-len]3 P' v- X4 ]5 j* E0 j) a3 u' o; y
[
; j$ ~. O8 J, C8 U0 _ R; @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
' |) w* m+ B6 _+ ?8 Kset 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)
+ b1 Z/ }, H% I' A2 @1 i% q( sset j
# s) M. i3 H% O* R+ R4 K( j + 1)
! ?7 {! R0 x7 h4 e]0 o2 o) g# N' k b
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 ))/ s& g* n+ j; F; e+ r- {. ?
6 w" Q% i t% y/ I' D, G
7 G( d7 k8 j% ~( c2 H0 T9 L/ plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 [' T* `) v: i4 u8 N;;及时更新i对l的评价质量的评价
# }! r" Y$ Z! T; v; [' l' Aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! s6 I/ V* v5 M, o& i
set l (l + 1)
, r. m/ D- [7 B2 z6 M, v/ w. I! G9 N]
6 e( T: ~; F( C, H9 Dend& G0 O0 V* l$ @' P# m
$ M; H2 Q( \6 Z: ?. c i2 b4 `9 jto update-credibility-list
0 |! [% i# _0 o6 dlet i 01 a4 E1 i3 U6 w" q5 M( Z: N9 g
while[i < people]
9 w& @! F( `: c5 Q) b$ R; N[
: J) L' } r2 D) ulet j 06 k; L% R+ r6 Z. Y+ i6 U/ y
let note 08 y2 K& t0 i* v- p
let k 0 O" s6 n8 Y8 J6 k) F: K- n
;;计作出过评价的邻居节点的数目
, y4 A. a1 ~' B7 I7 b( vwhile[j < people]
2 g/ ~& y7 r; u[
1 K! V- K; i: T* I* |- M, \" ~if (item j( [credibility] of turtle (i + 1)) != -1)
0 z+ l3 C- _( ^;;判断是否给本turtle的评价质量做出过评价的节点
! `* l2 @/ \9 o3 B! V7 c6 A[set note (note + item j ([credibility]of turtle (i + 1)))0 R0 C5 M4 {8 G% P; H: K
;;*(exp (-(people - 2)))/(people - 2))]
6 {4 ?6 J2 ]5 ~0 Mset k (k + 1) {# F/ u8 n* C0 B
]/ O5 n/ o- F4 W# M- X% P
set j (j + 1)
6 r' I. b( v: Z]( C1 ]- n% `2 K- l- x p0 K' _
set note (note *(exp (- (1 / k)))/ k)0 `- c% d9 X% _# d7 l
set credibility-list (replace-item i credibility-list note)- F0 l# p8 ?$ s! ?6 `1 ^( c
set i (i + 1)
2 Q; M8 ]1 j3 }5 d* k' a4 Z]
( r9 _& |/ _$ f$ Lend
, |! Y3 r- A' B0 a7 o |
+ ]6 q! g/ ]0 {9 h7 Kto update-global-reputation-list) G* C3 I( T2 F3 W) [. D" _' G
let j 0" |8 S1 E& P9 H! a, u( T% n
while[j < people]
8 i9 l" D. S0 d5 z: y7 F7 C4 Q3 c[! F& v) k* `& i) P1 E/ \6 d& S
let new 0" T" w4 U, x* f; J/ b
;;暂存新的一个全局声誉
. X# R! E6 }/ B' mlet i 0; k3 a' S% ~& m _
let sum-money 0
, a; Y6 y3 E, p; k9 J. ~, l( M. qlet credibility-money 0
9 Y* W( Z- M8 hwhile [i < people]
8 U% ]6 h K5 N9 F[1 J% X! W6 {4 h4 o6 g' e
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( R3 p; p. d* z' m" _; jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ F& `4 H) q3 W8 T9 W5 k0 dset i (i + 1)
" [' h ]2 C5 [" [" y; c4 n]3 {: d* y2 e5 q
let k 0
+ S; k* X' a" o: t. rlet new1 0' h, C5 z. K; A3 `0 A7 |( S
while [k < people]4 e/ D& G D& z2 H
[
1 n" Q# Z1 V/ U9 e( M& M- U( ]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)
% T* H8 w, C& Gset k (k + 1)
* I a: D1 M4 r4 I( i" E4 ]+ a. n]
6 ?+ ]6 y9 t- x" w6 V# n$ lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 A2 x t% C! x: l! T
set global-reputation-list (replace-item j global-reputation-list new)
- m' I4 r$ z1 G, F* bset j (j + 1)$ ?! T+ O% G% ~
]
; Q+ ^ \- B3 m2 t$ ]end
7 `* m" }* k" T) e' q: f0 q" ]$ @& U9 D
, K4 g8 ?4 m8 P$ \! D, D
& \/ G+ D+ b% Y
to get-color
# g: H. A; L) c$ C
4 D8 A! j9 z" Qset color blue* M# k" O) z0 @# r
end
/ J o. T( F: M6 U( q5 t I* K8 ^% D9 E" U) A. t
to poll-class m' E/ J* ?$ j6 D" H8 A
end
8 ?: {9 G5 R- l! {$ I
4 q# \/ I9 t# ^to setup-plot1
$ @- k m0 d+ J- y0 n
. o+ h' G3 G; j, d+ ]set-current-plot "Trends-of-Local-reputation"
5 p' w" P2 s" Q2 @2 _! M0 z% V& \! I. I8 B0 Z/ I" [8 o- ?
set-plot-x-range 0 xmax
2 T8 L; F" H( I8 V4 h2 n' u1 j
, B; k5 d5 e* @5 ]. s$ K) A& x/ m$ rset-plot-y-range 0.0 ymax( b+ Z. C' g+ p: l+ A' J
end
) }8 \1 w* [' B2 I6 Q- O, ~9 E
; H9 K$ r% a, h7 }! oto setup-plot2. F, ~3 M7 W% z& R: B* v
, g0 n2 @$ a6 u: q1 P5 P) t, l7 H
set-current-plot "Trends-of-global-reputation"6 w6 J9 u( x$ I/ B- \! c! J
' n# B2 K6 y9 O; l% w9 E" e
set-plot-x-range 0 xmax
2 W! s2 `& h& X( e/ Y
, w0 k- D# o& p( t+ Aset-plot-y-range 0.0 ymax" X" \3 @4 e3 z0 K
end3 y! L; Z" [5 e( b# Y
5 V E& b8 L5 e9 ^7 H3 N' tto setup-plot3
. l/ B# ~" @! C% O4 w' L' S- X% R. H. x7 E0 ~
set-current-plot "Trends-of-credibility"+ @; b) s8 F4 d) {( n$ X
, @/ L- v, D! h+ D; G* ?4 ]
set-plot-x-range 0 xmax* r2 P3 O6 N9 x8 F1 G
$ w$ M: S" _4 C& T+ Dset-plot-y-range 0.0 ymax
4 R* h4 P s" O3 eend& d$ @4 p; H, f O2 e
$ y/ c4 T% E: d+ ?$ }; T4 F A
to do-plots; K* D9 p+ X) M9 s
set-current-plot "Trends-of-Local-reputation"* X; z# ?7 C0 l0 o
set-current-plot-pen "Honest service"
6 |$ }, |$ {; P, u X; [end1 o4 X1 O }' Z7 X4 x; X
+ K/ x) ^; V. f1 a/ P2 }% P" r% t[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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