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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/ ^" z+ u4 Z( Fglobals[; {& \, K0 _0 b, E6 W0 v
xmax
3 T8 w! G& R# P& @ymax. W1 F6 P7 }7 t* u& c. a
global-reputation-list
; K l/ @3 f2 A9 Y
; Q% t7 B* E1 S8 V8 y0 k: c) Y;;每一个turtle的全局声誉都存在此LIST中
7 I$ {! m x3 z! F- ccredibility-list
/ m; E4 r) C9 H8 a8 X- h;;每一个turtle的评价可信度
" f( R$ G( Z C, q" y& G" \honest-service
/ @! U0 f5 j: K" c. j- Punhonest-service6 u2 i4 J8 B: f0 u' S0 e
oscillation
. v- b7 j$ t. Crand-dynamic' F8 K# `$ u8 ^4 X, o
] p: \8 q4 r( }! I8 X% ^# s
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turtles-own[* p( x5 P' R2 b/ \3 ]4 h6 T0 e
trade-record-all
- a% t. x1 t& y5 [' T;;a list of lists,由trade-record-one组成
- v0 F# H/ ?: ~5 y7 Ktrade-record-one
4 {" L* _# M6 O. o6 s;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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;;[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]]) y1 X* f! ^& H! Q$ 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]" f8 e K$ G' [. y3 J
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list5 s5 b2 I. u& J8 V
neighbor-total5 T) `% W5 k* f
;;记录该turtle的邻居节点的数目
% H) ?8 u) t, r: h. Otrade-time" C! r% \9 w7 p+ _% S( E8 t: [8 D! x
;;当前发生交易的turtle的交易时间
7 o! Z/ T" c+ [2 h2 I' ]1 V0 h5 R6 Uappraise-give3 u5 f3 [: f3 U" K# }7 n
;;当前发生交易时给出的评价
4 a: q1 V# g% ^$ ]$ k$ n' n* |7 yappraise-receive
2 T3 s, [1 z3 ]' d6 O;;当前发生交易时收到的评价
% v) N0 Z; Y, {6 H; T6 tappraise-time& O5 d p; J% {0 q# c
;;当前发生交易时的评价时间
" A; Y/ O- [# q: R6 jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
; c% v' o( m9 }: j) ntrade-times-total
4 u; v8 _7 t) M2 v" a2 u;;与当前turtle的交易总次数
8 m" m3 v S Z! @1 v+ `trade-money-total) T3 h) R5 X5 t" g$ u
;;与当前turtle的交易总金额
" }9 s! g7 w* Vlocal-reputation) O+ U) r" U- N2 N& n6 p, I
global-reputation8 @# n# I8 u" r/ g
credibility
. @ C% Y' |; N;;评价可信度,每次交易后都需要更新7 `9 U4 P0 h& z7 K7 p A
credibility-all* E2 \2 [. t' M0 a3 p; u9 X
;;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
$ U1 w4 {* V1 h! m% Z, P
8 \, i. k0 o; A: u) J;;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' n) N5 g: X* A+ v! `
credibility-one+ r- m0 n1 q# E$ P8 y7 k$ e
;;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 F+ P: X$ l' a% |* T/ Y) }, `+ T
global-proportion D+ u) ?. C8 [. N
customer& d( f) Y! H7 C: x Y
customer-no
+ x- i; F- ^, [' f% Strust-ok) v5 E( ?' Y; V: F- v
trade-record-one-len;;trade-record-one的长度
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7 ]' `. d6 D1 h9 D( B7 F d;;setup procedure
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. c: g3 P. k& K: rto setup! i7 Y/ ]4 J9 [% \ e( d5 Y1 R
; ?2 T4 }8 `$ eca* A1 H& t6 C% O: L7 T2 T
* p, {- h [' E0 Y ^% H) \
initialize-settings
4 [- w! B+ B _7 ^9 s% S
' `' l" ?8 f6 ?1 y$ vcrt people [setup-turtles]( `1 S D) B9 }' e! e( T t
, c2 A" h; B3 A
reset-timer9 e L4 a( Q3 m3 w' k6 f
$ s# _1 U7 P v" A7 F( Gpoll-class0 e* y5 R. q" \+ y0 G
* P2 ~( P: F0 V1 v( ]; l
setup-plots
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do-plots
, z8 M" _$ n$ g7 k/ b" y xend
4 I9 ~( k1 y6 ]4 w2 S# ?% i; g. C2 E" k& Y( x) C g- ^1 ]
to initialize-settings! c. r. T! h/ ]! B$ @# j
3 ^, p5 a5 e" u) Tset global-reputation-list []- c' p9 z; |: [8 ]( a
+ i, q# f1 I" eset credibility-list n-values people [0.5]7 g" q4 m& g( d' h
5 d* h9 {& b$ v; Q( R8 A
set honest-service 0
+ n/ S2 @9 g8 G' k' h7 @8 Y- B! S; S1 [
set unhonest-service 0
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set oscillation 06 J' A+ D& l$ z+ q: l
. Z8 P0 u7 S) R1 f9 O6 |& ^7 \# bset rand-dynamic 08 S% l {; Z& Q/ O. o
end
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to setup-turtles
( y. b* c5 c' t1 g7 a6 ^set shape "person"
8 ?+ J% X" a7 u9 H' I0 u8 [. Lsetxy random-xcor random-ycor
; A; l1 Y7 b! ^$ g; w" k$ a0 Nset trade-record-one []
" X% ]% }6 E1 d
8 R& P- C7 T! mset trade-record-all n-values people [(list (? + 1) 0 0)] , [: y3 N/ @2 n
2 Q5 _4 d$ B( T, j2 X m, d+ B8 ]* U8 `set trade-record-current []
# J1 V" _ c8 g# q, ]set credibility-receive []* t2 L: b) G: n8 s
set local-reputation 0.5" Y [4 ?4 O- q2 o- f% ^
set neighbor-total 0" _& Y6 p. M" R. f9 ?- f, W- }
set trade-times-total 0
1 T) T* S( y3 G7 i/ {set trade-money-total 0
* G7 K; g3 y4 C' a* S: xset customer nobody
+ m3 U+ H+ ^ R) w( t7 M) Jset credibility-all n-values people [creat-credibility]* g) U1 z! _1 F3 q
set credibility n-values people [-1]
+ l% t( P* e/ @6 Lget-color, \( Y2 }/ y% O
" H( C$ f% W1 g( |# q9 Xend
* H. }+ @( O* O' B0 X# W- |+ A! h" `- J& h8 R4 b4 h
to-report creat-credibility
6 u. w# d4 z4 E# n8 }0 lreport n-values people [0.5]
" Y* c9 k1 B6 `) {7 g6 send& W& S( c. Z1 l: o: \! |
; T7 f' M9 m1 A; G! k1 M4 o! Z. rto setup-plots) O* Y6 t, z: j1 i/ g* W
; \+ k. v2 ]7 H9 i2 R# G) O
set xmax 30
+ G+ V( I" j, k% k6 a4 [9 \+ ~# X* S& e& r7 S0 ~6 h# p
set ymax 1.00 n# d/ x6 }& |: Z! M
- j- B( f1 S( ^" j0 A8 \0 i: o
clear-all-plots
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* V3 I- [$ T4 }$ c8 t. Ksetup-plot1
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5 l, E* J( q. Z* c6 Usetup-plot2
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) ^8 E: q! c1 k) zsetup-plot3
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- k+ W7 E& I( L, J5 ^5 N
;;run time procedures& ]9 E" \3 }+ _$ M1 t3 r R' M( p* e
( x1 C+ i# {2 |( c* {to go, I& H5 z/ I, z
5 [- J" S1 J3 y- J" c7 dask turtles [do-business]
# x* B2 \; Y9 \( dend
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to do-business
' s( F P& Q( p I* G0 o6 m: c1 u4 r0 j
5 p n2 r' l7 L9 [rt random 360
2 O6 o3 M( ?% J I
: ]7 q2 g% U9 }; Jfd 1
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7 g4 Z4 c; E' P& Zifelse(other turtles-here != nobody)[
# k& a! W" {/ c ~% { c# T# [
; K n; D6 }) [' h& n: W8 d+ U5 c+ |set customer one-of other turtles-here
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8 G/ W' R5 Y8 q1 ~+ j, n* N% S( w;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
# Q! D6 |/ [; {, ^[trade-record-all]of self
0 _, ]* j2 f/ Y& C8 y# |;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' W% m4 I" J& @0 m5 c/ A
; u" e0 i8 s, k7 Q6 A* oset [trade-record-one] of customer item (([who] of self) - 1)
+ ^: [& q5 K% ]2 X X[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
6 `; n! j7 ^) b( y
- t5 C+ q2 `$ R& G0 lset trade-record-current( list (timer) (random money-upper-limit))2 i" E/ G% E% [( |
# c) ?0 V- ~) W5 Gask self [do-trust]
( h0 k& c4 x, {3 o. d;;先求i对j的信任度
( Y; l& @/ ^; U% h" h J
" Z4 o/ F% A) @9 C- [, ^8 Fif ([trust-ok] of self)0 n4 ]! P" H# Y* q+ s
;;根据i对j的信任度来决定是否与j进行交易[
. N; g7 _! e* Rask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
: Y X& ]4 N) D, Y
8 `5 c T4 G5 b. j8 Y+ `& H/ @1 k[
1 A; G, R$ c. [, @0 L& V+ v( g
1 d/ K1 l; m, r" M. l, [do-trade! `4 }* a9 H" u9 r
L2 {6 W0 k5 V) Z' R% D
update-credibility-ijl
+ E; p$ K. } a3 H% X: J. x& F+ s* R2 v1 J
update-credibility-list
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8 D# D+ t" y' l: L$ N' Lupdate-global-reputation-list9 a1 v5 e; g; {, l, B) a$ S
) J! J$ Q8 X4 Y0 v* a5 v0 h1 @poll-class
6 w; B- b2 p' F4 K7 e' ^$ R9 s3 x
get-color
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' Y: X& w0 h' w& n]]- c2 I8 [/ [/ m8 c2 b* I7 N5 `
/ s% J; T3 y* s; k( R5 c( F1 V7 X, r! G;;如果所得的信任度满足条件,则进行交易
* D H: X- U2 |( U; P5 e O8 w7 D2 |: e+ y+ z2 P* [9 |* d4 n' x
[. ]$ r9 v% a& j5 F- Y% i9 R
8 A7 m9 U) M' ?" {
rt random 360
6 \" p8 F5 ]& s# F: V
* ]) `( T2 P- j0 f3 Y* U Gfd 15 h4 D, s) w. [* ?& a) K
# u7 N2 q+ [! Q]- s+ ^9 ?9 e" s. u2 m# O! c
% |: U/ _" U& Q9 E3 f( ~end
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to do-trust ' M" G; \" f6 m! O( V
set trust-ok False+ Z* ?! ]. h9 H+ U. ^# M8 D
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J/ g$ o! j B" \let max-trade-times 0
- h4 K3 T! C9 D1 ]foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 B4 k, I% c0 _! J9 x. P- M' q2 \
let max-trade-money 0
( W" _1 Y( f& }! M8 I9 |& U# X( yforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# F, }$ ~5 m$ ~6 f, \" ~+ zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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, H/ Z2 \5 P) S2 R9 u! p
get-global-proportion- T% w( F6 K/ `; W1 O2 r1 N$ S) m
let trust-value
6 ]( L3 X6 Y% A( Q+ z. v7 _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)$ e2 ~' H1 \- t8 v5 l
if(trust-value > trade-trust-value)
$ {( D; f$ b% c) \" q[set trust-ok true]
* T( |& [) q- B8 a! s/ h) d& w wend4 V, s3 c8 v9 y* i- m4 M
% F1 d& ^% K$ J. S
to get-global-proportion
" G: M L! | ]+ R9 i: }" Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" l# a, @4 F0 K. i; }3 G) Y[set global-proportion 0]
6 F e3 O A( Z5 b/ [[let i 0( A$ C: {# o/ g0 X
let sum-money 0; y H- I7 N1 X) K' u* A; h/ g! S: S
while[ i < people]
1 {: L( q4 l0 u, Y[4 i! b# n( M3 V% N
if( length (item i, y+ @; p: h6 w, W O( c' F( e0 _
[trade-record-all] of customer) > 3 )
2 G. }- E3 M* v+ p[# v0 X+ Q0 P( S! z- a4 z& @
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 M' z; b( P0 x; t5 N- B1 ?; N
]
' b9 v0 `7 q5 p0 c]
+ G9 e. y$ {0 |5 p, m9 olet j 0
, W W8 Q# E. {: E4 X3 blet note 0& _( t8 u9 Y7 v
while[ j < people]# ?) ^3 r1 e5 f9 M e
[6 {, E# ], j. ]* B; W2 ~: k
if( length (item i
6 ^/ g# Q9 o+ z& \$ k[trade-record-all] of customer) > 3 )* Z) U" W# y; {5 G# n( J
[
' p3 N0 x( r9 {9 i) T- Uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" @" `8 c! [, O8 Q' v$ u[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]* l: ^; l. N# T( d0 g. y* r3 G. i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: O+ v9 J. s0 T# y5 o" r! M]
0 U# D" }" _1 v' \]* n1 ~' A: i) B \
set global-proportion note
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# I/ s; S5 o+ K) {: ^; @/ s+ oend7 T! m# S* X' E, J2 A1 J1 a
( O. L; u7 ?) \to do-trade6 G* K" i3 `* Y6 e: ?1 t* P
;;这个过程实际上是给双方作出评价的过程, d8 `0 g+ j4 {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 B+ c" @# r4 \# _: }$ e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& h. G4 P$ R7 v' Mset trade-record-current lput(timer) trade-record-current- A5 X+ @- Y6 ^; k6 b
;;评价时间" W3 b8 \% o2 w2 I1 f- E+ z. S! `! t
ask myself [$ }& Z: p- L' p# @
update-local-reputation
% B: |6 ] }) |8 zset trade-record-current lput([local-reputation] of myself) trade-record-current
8 R5 k, q# Z3 c- y$ ]2 f+ a]
! p3 w( ]- J4 u6 Oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ h/ `& Q; S# f, k/ L;;将此次交易的记录加入到trade-record-one中3 x3 H& K3 m0 a. _6 ~/ c% h v. g
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' W* R3 Y8 y3 u1 f) ulet note (item 2 trade-record-current )
+ Q" k4 P8 g2 e% @. _1 iset trade-record-current
( K9 O, I# ~/ g4 d4 w# j$ r' P(replace-item 2 trade-record-current (item 3 trade-record-current))
2 I* l! B V6 Pset trade-record-current! i: x# O5 z! b, h
(replace-item 3 trade-record-current note)
3 g9 b: @. X; s, ]$ | v5 N& ^& V8 h- C' a
9 B6 Y) o$ G, W1 d/ m* Mask customer [
$ D( J% P' c R1 Q5 [8 mupdate-local-reputation
. j% y- ~/ x& ]: n0 cset trade-record-current
3 c& X# ]4 V- R9 U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 e7 e. @; B$ Z]- [- {$ }* Z# c4 W! a; C
) `) P+ T$ m5 F0 Z
& q4 R0 q7 [3 B5 o/ a2 @( F1 R0 L' Zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
& T6 j" Y: a* F4 B" L$ d3 S1 l" s% w; C% R% o* |
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))0 H+ ~) R1 U- Y; q- o- }; S' W4 K
;;将此次交易的记录加入到customer的trade-record-all中
l/ l1 q4 r( V) h" cend
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to update-local-reputation
9 p M4 f/ P) o* C$ G$ m1 S9 lset [trade-record-one-len] of myself length [trade-record-one] of myself
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; [, l/ F1 s0 ^! R; ^. X6 C" p! [
;;if [trade-record-one-len] of myself > 3 ' t n" s3 `1 y# ?2 C$ N
update-neighbor-total
' d$ c' f& q$ ~8 P9 e;;更新邻居节点的数目,在此进行
$ F9 y8 ^1 V8 P, [' z3 v ^( tlet i 3
7 A. I8 \9 f* o" I# A# Xlet sum-time 0
6 w. i" v8 u4 |7 I7 m Gwhile[i < [trade-record-one-len] of myself]
/ {* l2 G' A) r% d[
# Y( W0 z- b! X+ Cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
6 ?" ], N6 w b& wset i
+ E" ]0 d1 S8 d D4 E- V6 i X$ i( i + 1)
/ e0 X8 M( M& Q$ }$ P4 D]
0 I) D# h" w3 d& ]* vlet j 3
8 b( }1 {" K% V$ X; |# i" tlet sum-money 0
7 o/ v" \; H$ c) j) Kwhile[j < [trade-record-one-len] of myself]
3 t& S$ a) U6 K[; O# Q8 x2 O8 T; a- r
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)
8 `- P% X: x& g2 Sset j1 n1 T, ]) _* X4 L5 I; V) w
( j + 1)3 ?6 ~, w4 M' k& |! Z- { X; s
]4 m) g* o4 C9 y9 C: z& A
let k 3
. K+ \1 d5 U, Z& s/ \0 _6 nlet power 0# ~- o+ _' j$ K
let local 0& ?& A% V0 J9 `8 `' }
while [k <[trade-record-one-len] of myself]
[( ?0 K; {* {+ _9 J+ `[, T( s2 k7 r6 `, u
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) * ?/ |& C) A9 x/ D# w4 R+ u+ L; t- \
set k (k + 1)
; a( Q$ C+ V! ]3 K3 w]
* {; g Y q% D( m! I# ~; _/ R5 Nset [local-reputation] of myself (local)
+ S* G$ g1 }9 }) V ?6 Mend
4 [" J$ } _8 H. f% q
) W/ i) r0 Q6 i& N4 Zto update-neighbor-total! R0 [ S6 d8 m) C; L+ F+ e
8 |* t5 I; F6 ?if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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& l6 O; ~+ _' M2 gend
* Z7 I, d s( V2 d5 n+ ?9 N+ y5 P, q2 ]6 \, G
to update-credibility-ijl - i. [7 k$ Y8 Z X) I( S
" s& Q3 X+ E% V* o3 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。
2 a+ x3 n- k3 c2 X2 a- r- Jlet l 0
( x& o; _- Y2 w. {/ H7 twhile[ l < people ]
. w" D9 J5 C: S2 x1 h5 X! p" O;;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
# U( Z; ^3 H# S[* l9 d" V! T3 s) [! U
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
, g! K$ p, x" [! U6 c! Kif (trade-record-one-j-l-len > 3)
p, E" u' B$ I/ `[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 N$ D2 l5 v8 b
let i 3
; C/ |' t# b6 y& I, dlet sum-time 0
. Q% X1 l3 B& l: K' h4 j: I. }while[i < trade-record-one-len]
3 |9 t9 V0 I- i4 T* H% c2 h[
* K) `; ^9 Z5 _ Z; iset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 E1 l0 j9 W; R
set i4 A T! z/ [& e8 |6 {2 E4 E/ \
( i + 1)
, l3 V$ c8 O4 K0 `+ p, q]
- N1 v5 @7 O9 J3 t% R1 Q. Alet credibility-i-j-l 0! u7 @& J# W* Q4 E, y
;;i评价(j对jl的评价)# j2 X) Y# U4 u
let j 3$ U# z" H6 ~' \* i. M) Q& a
let k 43 r/ M# Q$ Q( {$ B1 o* J& ~* O, o
while[j < trade-record-one-len]
4 c- t9 C5 C9 @8 U, P5 u( i3 }[9 n8 b: Q2 g% G# ~$ `
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$ K) |4 A, e Q
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)
/ i- e( S8 |& N7 c% L; Eset j
5 g- f# @" L7 ~$ j7 h: ?. U) J9 w( j + 1)" N% q3 g/ p, m
]
* ^% x3 ~: u- A9 L5 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 ))
; V4 d2 {* [4 k+ I: J. U3 S2 A0 X) A5 t$ t; O) }3 F% ]+ }+ E; j
]2 H" Y5 G' c- ^$ ^- v
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
* C4 K# O+ b5 \;;及时更新i对l的评价质量的评价8 A5 U2 j" D" E8 _8 t0 p* o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: `( r, E3 c" U! @+ ^
set l (l + 1)6 v$ s9 @8 F6 Y% f9 I" D M8 b
]
* v1 y0 b. X$ z/ a+ K; wend
: x8 q, R3 a& { p; p4 H3 g6 D$ ^9 m3 Q( g
to update-credibility-list
3 L/ e) h* W. K4 c# w* Ylet i 0
! |" e2 g/ Q. i- |% C4 O7 Dwhile[i < people]
! N: r! G) X$ \) h/ k9 r[
. p' u/ T9 T% y) K- qlet j 0
" {) O3 q7 T6 V& E0 Qlet note 0
! y a3 G" Q8 y5 h2 Zlet k 0
9 j2 F6 j* K' Y7 p9 O;;计作出过评价的邻居节点的数目
, G4 {/ H9 l$ ~& `$ }while[j < people]
0 M+ H4 G% T& l+ G2 ~ @[ `! z7 [6 |) P* [2 }$ r+ T! t3 V
if (item j( [credibility] of turtle (i + 1)) != -1)
9 k) ^5 n9 k' w. z; Q, ?9 T;;判断是否给本turtle的评价质量做出过评价的节点& c( h* N" U% R% x4 Q) H
[set note (note + item j ([credibility]of turtle (i + 1)))
' x2 \/ L2 h7 f, L- y;;*(exp (-(people - 2)))/(people - 2))]. D0 u8 q9 V# K- M9 f8 a3 t
set k (k + 1)
, C( j" L" j3 x) o0 h]
9 }0 M2 I8 `6 N& E% h3 e( rset j (j + 1)4 S) G! P8 ]% K7 w8 X
]
, w9 E0 K, A! P+ c/ M7 oset note (note *(exp (- (1 / k)))/ k)- h6 C7 b9 e) I1 S& `& ]3 Z
set credibility-list (replace-item i credibility-list note)6 _: _ Z# `+ Q4 U, Z& V
set i (i + 1)5 t7 i" x- M9 @8 W! u7 @! X% K! T
]. r. [ T- h$ v! ~
end% I" h3 s% M9 i
2 E" _3 D5 ]$ ~* Y
to update-global-reputation-list2 v. c' C0 ~: j
let j 0
, M& e; y0 }7 |+ T( u- Z( ~: Uwhile[j < people]8 P! K0 m1 G) J/ y7 }
[
$ O9 W- O7 f! s/ \let new 00 ]5 v3 P2 {0 `9 R$ k
;;暂存新的一个全局声誉
$ D6 \2 C/ j# R$ H. w! n4 _let i 0
9 X1 u9 x% I& Alet sum-money 0. j& b5 i5 v9 P. t' m3 J' k
let credibility-money 0
+ }) u: l4 Q/ E2 F' W# W' x) @while [i < people]' @3 r9 T' p4 W8 b
[% m5 ?# e: y) G ]; ]) g
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 V- x& a- z- h# Q9 @4 P: ?set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% D- l9 C# z+ A- Y" T( Dset i (i + 1)2 k- z: q- u" N, v% C& B8 Q
]6 R6 j8 `& F+ T! D& L
let k 0
2 G* O# a: b+ q1 o4 m9 Flet new1 0
/ ^* j% s7 R. qwhile [k < people]
. e6 i$ \3 T+ f" D' L[
' \7 M1 P* ]; _ X! \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)
% k1 c9 d5 q7 a" B$ T8 Zset k (k + 1)
! c- n0 W& x& H9 v% |$ l9 W]
* X* g# ?( R* Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( `) |) O* @3 }( ]6 d5 ?6 E! ?* bset global-reputation-list (replace-item j global-reputation-list new)7 x0 C7 k B& e3 U" L3 o9 q
set j (j + 1)! b5 z' d% {3 o# G1 X
]
+ U" _5 X ^: a4 r. U. kend- L# f5 w( U$ p: r6 D% [8 r
9 \% x% J5 t' T
, Z4 k" G. D6 T4 T" G! U
0 a; X( \; J. Kto get-color
: `+ N% E6 E- `" w. n* `9 w3 H& Y' i$ {6 [& h2 } E; o2 H
set color blue
2 G0 b6 v+ i/ u: I! Rend
% S* J; j; O0 A0 T3 E0 Z. m, P' p) u/ g% n* {; S$ n
to poll-class
; J& \" Z/ n2 ?, Q. v0 I1 Kend4 G+ [5 ^; D, e. ]. ?0 M
. s0 S' s. J! kto setup-plot1
8 M0 W5 ?6 c# {* u# R$ T7 Z6 g @2 L5 J: E4 i; M/ a1 O, {
set-current-plot "Trends-of-Local-reputation"
9 D' c' N% y# d% b8 E$ K; l7 ?) a |
set-plot-x-range 0 xmax" W8 D0 m6 [& E& g# M
6 V9 W o2 w' F" @/ N( I1 eset-plot-y-range 0.0 ymax: e- @8 T/ ?+ w N$ s6 ~: t
end
0 b# T9 Q3 x6 G4 t: D* j' R, ^# W! n+ E2 Y, Z( ?. a( M- u+ G8 f
to setup-plot2
" z9 B& w# a8 b8 q6 o! L7 A6 J! `; t8 u. z
set-current-plot "Trends-of-global-reputation"" u/ F1 m/ Z4 M" `3 T8 ]' }8 ~
( _" [3 v, p% I4 h" V0 `0 @% _( K
set-plot-x-range 0 xmax3 B' i# Q( S- R3 d
; X- }4 C) [, _2 T/ E" g* ^
set-plot-y-range 0.0 ymax4 `) m( g0 E2 U' d7 [' y1 A7 l
end( Y5 p! `- b7 S4 u% Q
- \1 a( E/ A2 c, L$ b
to setup-plot3# O' b* |( ^8 @2 U
5 Y7 l2 l- L0 o3 s* o; n8 l+ {% gset-current-plot "Trends-of-credibility"! L; ?. I W6 }2 w1 X
& h. n9 ?6 `" R1 F. g; G" R! kset-plot-x-range 0 xmax0 F+ x2 Z0 K# W+ G8 A4 O+ C
7 {- i3 y U+ g; A. s1 [ E' N, xset-plot-y-range 0.0 ymax
: G0 R1 p. U# v! h Kend
' U0 m, i8 ], ?( P G- ]' g0 O0 c8 `$ F; m
to do-plots# U4 z, z- @ P$ M7 u/ L+ W7 G
set-current-plot "Trends-of-Local-reputation"5 N1 o( X# W. N6 z2 _4 p
set-current-plot-pen "Honest service"0 l8 v8 q: n' a. `
end/ d9 f4 K5 N0 N
F& E. c6 Q( u3 F2 a! b& Z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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