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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
! r6 x' Y8 Q4 f, z/ [$ F# n- U# z0 @globals[
5 c, |! `- t3 y& W9 d9 Wxmax* D) t+ M8 g1 O
ymax
& e% X+ _3 _7 Oglobal-reputation-list; U- d* n R- G3 h, k4 p7 D w
+ ~# k' t; d/ v8 i5 c# q) J
;;每一个turtle的全局声誉都存在此LIST中
1 G2 y1 f% c! ~/ \credibility-list
. ^ E( n, l' N5 @& _6 h5 t! q;;每一个turtle的评价可信度
0 \4 w0 ~4 u/ M; L8 y& whonest-service
+ L! ?7 T% Q8 J6 D6 Junhonest-service( x/ K! ]/ @' G: i8 b% C# q
oscillation
% D+ J$ L" s. a, d2 Z) P- x/ ?rand-dynamic' `) N- Y5 ~' B7 s) O6 W. X
]
1 v! v' x; G8 n! y9 i$ o% m+ o) ~: _" k2 t# P; _" y0 q6 _8 d# n$ p7 ]
turtles-own[; R' B4 _! R5 |% e. A8 ~4 l
trade-record-all) D& b: g& L u" i: ?7 O" |# v# P
;;a list of lists,由trade-record-one组成% m7 G0 s7 B2 s, ?; ?8 n( u6 L! e
trade-record-one
9 u( l) T$ i" r7 U( d# ^;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, C% a% z+ l- W
, S7 z/ ? b2 A6 V& I, ?;;[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]]
% V& w( k d3 Z# {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]( \3 L ?5 Q, e# U: ~7 L
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list8 V, ? v9 X; r' d% w7 O
neighbor-total9 u* Z4 d9 p+ W' [" S9 j% V( n
;;记录该turtle的邻居节点的数目
0 a) k5 r% s7 ptrade-time
+ l: n9 |9 z# s8 l# e9 u$ j;;当前发生交易的turtle的交易时间
, U9 |: r- ?2 kappraise-give% |; n8 e" t# X. K5 S6 J( ^
;;当前发生交易时给出的评价
, F- P" J' C. L% ~appraise-receive
# g/ Y" X5 K/ z9 v$ r7 E;;当前发生交易时收到的评价
1 E& k8 J8 _4 Q* `appraise-time
* c( H& w+ G1 U- h* G) y;;当前发生交易时的评价时间
% V2 m8 {; {3 P7 }! Ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉# b% i, D5 w' m& V
trade-times-total8 Q/ a( m ^$ L' N& s% c, N
;;与当前turtle的交易总次数! f, {5 P2 ?4 G/ C! I4 g
trade-money-total
3 c8 D$ V" o7 n3 n4 ~% L9 V;;与当前turtle的交易总金额
6 [' E7 ]( G" I0 W# r3 c( Vlocal-reputation
5 K7 z, U L; _8 [; Y# f& Tglobal-reputation
0 [6 C+ t% x! _ I2 f. ^. k0 E; Pcredibility9 Z$ f5 W' s6 l7 x+ p
;;评价可信度,每次交易后都需要更新2 b4 f! H; j: Y D2 o
credibility-all
2 R+ L4 i! L& `* L. j# ];;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' M* r# f. ?7 N+ M% ^6 p
! J, j h5 |7 `4 G5 b$ Z;;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
/ L8 [6 `# p8 C1 jcredibility-one
0 }+ F) w5 {3 ?8 H; l- n;;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( K0 \. E" ^# F4 Q! o
global-proportion( |2 z* p9 f6 Q: o, H' e) n
customer
* Q i; O$ S- z9 _customer-no
1 R9 p8 l4 g5 |trust-ok8 B+ x2 f" M7 u$ |: {- a4 l
trade-record-one-len;;trade-record-one的长度
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& `6 j9 j- n/ \8 V% I
' G) \4 q5 ?' W( x* ^! t5 u;;setup procedure- n- d# V( d. b
" r N9 P+ [7 Z/ E$ f- jto setup
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ca
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initialize-settings
+ |$ d7 h9 r* f1 p, K- h
6 g- P- M2 F6 p6 Bcrt people [setup-turtles] T9 n% Y$ @, z! u- C+ ^2 D1 t
c* k2 P6 n0 H) k l. K4 Jreset-timer7 p6 G! G" E/ K1 Z
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poll-class0 c6 A+ a; M/ D. K; G6 s' A
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setup-plots
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0 J* j- R$ h# i: y$ X; ]9 ?do-plots
( p2 ~5 t" p! i4 ^/ d4 M( Jend
2 z+ F5 r0 G7 d7 v! `: S4 M. C) j. D/ _
to initialize-settings6 h: [) d+ ^# ?1 {& X2 c
4 K" N$ D2 D& M2 ?2 _0 Uset global-reputation-list []
3 @, W$ {7 [4 l4 m6 W$ P) c0 P- y) i2 y0 }& a, l
set credibility-list n-values people [0.5]8 @ n1 j0 H5 l: v$ T' K
; [4 E, w% P I8 v
set honest-service 0( x$ i+ S1 M6 `
, l; C- M. t7 `set unhonest-service 0' t' F7 A9 f+ B f1 [4 H5 E7 e
2 u! y: e( Q& l" s9 G
set oscillation 0 f8 n2 U" S* k
& N1 x" x9 k1 Dset rand-dynamic 0! ~ S W% @* I
end
0 d( a& L% {* j; U7 E( E/ E4 ]: c9 v1 L& V. B& O" e
to setup-turtles
! ~! O" M% R3 g, W( n+ ^, Iset shape "person". n3 C4 D% `: z' M3 X
setxy random-xcor random-ycor& Z, c. K0 u5 {( p' a- f( E
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] 4 B% h! U4 d6 W$ s& `2 \
* h# z1 @, e# m# a3 d: D8 vset trade-record-current []7 p, I3 Q3 d' A. F! q- T/ ~
set credibility-receive []+ E$ r8 F9 A9 m& i4 j2 x; W
set local-reputation 0.5
: f7 {8 B' H/ t, C2 i' b! V$ Aset neighbor-total 0
0 N* @1 ?8 u! [7 Q! I! Lset trade-times-total 0
9 @& a% U8 }4 U: E* j, d$ ^. vset trade-money-total 08 z) M) E2 U. P0 p3 G; c4 L
set customer nobody) z% I6 r, f* E( ~
set credibility-all n-values people [creat-credibility]
) v1 o' B- H/ E" e5 nset credibility n-values people [-1]/ F: w. v! M' u, u3 y) y$ A4 r
get-color8 W. O+ c) ^- q. S* T2 g. L
! H$ F) V3 q! y% [
end v$ H" i, A* [: R! y% O1 U6 _/ s; C
. G( |8 } o: yto-report creat-credibility7 w( T- i) }+ r! U9 H
report n-values people [0.5]
) U! ~6 H; a0 ?' o; yend
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to setup-plots
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3 f9 k, A. v8 k3 C# l5 |7 Fset xmax 30
. O0 @; z/ |* E, L* y
7 R4 n3 {! @# |2 b" u9 w+ Iset ymax 1.0
d0 e# \' i: u. B! h- s4 ~9 ]3 n4 x7 }
clear-all-plots* u7 h% F4 t) M* j _3 X
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setup-plot1; Z/ _4 B9 b. V* d7 n% M+ a# |
. O( a3 |) e$ q; i3 ]( I; rsetup-plot2
. z8 D2 F! _% F0 a* l d( E! Y& m+ `5 m4 R
setup-plot3
; Y: h- s. F0 @end! P8 e' V! M( P+ {
0 g8 q8 `4 Z. w& l' P' a, q;;run time procedures7 j+ ?+ u& s0 n8 {
) }" M. e) U. {" `" kto go
8 _1 |9 \( N" E) N2 ^
$ i7 @$ w" b7 u2 b8 X |ask turtles [do-business] V" s4 ]6 | e5 T
end
z: w- W& J) \* }5 j+ R' l
2 a* {. z8 `( `. }to do-business
# A9 V! v) X% j& X& U3 z; Z" x0 b7 z" s: |! f' J
# Z2 h. c9 W2 s( ?7 W- ~rt random 360
2 v$ ~# c4 P" D( E* h7 Q! X
9 v2 \! t/ T4 Cfd 1
, {9 u8 C5 `& ^0 u) w, K/ b, X; w6 n7 d' }, k! E: a
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself0 j4 l5 B7 L( |( }- s
# I& f2 ~+ }1 d" ~6 Kset [trade-record-one] of self item (([who] of customer) - 1)
) [5 v' n* t' w+ u[trade-record-all]of self
) | k5 {0 a; X6 D3 W;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: u" C+ O- _' X7 }- F3 H" i R" I
2 n1 C; V) S2 Fset [trade-record-one] of customer item (([who] of self) - 1)0 b+ A- z. S7 ]! N* W
[trade-record-all]of customer |. o) O4 M" J( j2 |9 b$ Y3 V) D! J
( ?, ]! O, k$ r7 k) L- H$ X' yset [trade-record-one-len] of self length [trade-record-one] of self7 S0 W. q, ?& S# T+ e! X- f
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
% z0 Y. _. [; o& K;;先求i对j的信任度
* C0 C; u# I1 y3 C. [" ~
3 Q* _* w) x* W6 Uif ([trust-ok] of self)+ O6 S' [5 e1 [* P) o6 a8 g
;;根据i对j的信任度来决定是否与j进行交易[
1 G' B# M$ w' H$ J5 i2 Uask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
' a2 H- ]& B/ ?% i4 _+ j0 d1 F/ C" [0 F( x
[
+ e+ z: Z; t" G9 n: V1 t5 W- m; Y: p; Y( G7 j T
do-trade
- u& q* B& V; U4 ?0 o! D+ Z. [- ]2 B+ k9 U
update-credibility-ijl
9 R2 U& s: Y- J7 q& \$ l0 y
6 w1 H! u% `+ c1 s' nupdate-credibility-list9 X: H, f) c5 x, R" J3 {
" O, X2 n; T1 a% f
9 j0 ]0 W8 a/ {$ `update-global-reputation-list/ e3 H* }+ a- |; n9 t! ^& y/ U3 f
8 j0 Q- h/ R: R6 l/ Epoll-class: F& {1 e; y( @% Z7 D" F, J
( G3 S) p+ l, [1 U8 rget-color, f* C8 W7 q! \5 a4 }( `2 G
5 K4 `% p* M; f]]' }( o8 N7 Q" A' ~- Y6 C2 J
* a2 t; b6 C$ r! u;;如果所得的信任度满足条件,则进行交易
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[
3 V. M9 X% r; x7 b2 q
" C/ e1 c3 Y% Q! |rt random 3603 @1 X" T3 D) o- \' n& \
, \6 [; J& _% K: u7 Tfd 1% l+ V5 z2 i/ C
F q1 b% t5 n' {/ W; W. P]/ f3 K# q2 v1 W' v- y2 m" Q* y
. S+ X+ [# u9 a ~, o+ h7 X$ g
end" w m2 I/ q, E: i7 A* }2 J
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to do-trust
/ J3 O+ z& q. j. s3 m0 Rset trust-ok False
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+ X3 E1 h* }/ X) P9 q0 u
l# X% E, ~- m# y tlet max-trade-times 0
4 n3 j0 ?/ B) `' C- x9 T% Uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ x! D, f! P% m# n
let max-trade-money 0
( n$ m$ f' q7 h& b% {. ?- a! Y# u. |foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 o0 a& W- O4 C& Z' k0 |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% j& @( w# |% y3 T2 u
* w( f( s2 f: U6 T* w `6 }$ K' p, |- Z8 B. y! W
get-global-proportion! d+ ^0 b5 O+ e0 {3 y" Q) I* |1 i) n
let trust-value- ?% l% N3 Z+ J+ B5 T1 G6 x% v
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)
, G* G6 t1 S0 a: c. P/ P& H/ j7 b' [if(trust-value > trade-trust-value)
9 \ ?2 w: L6 l[set trust-ok true]/ t1 r' T" j- Q' w% U% h. c: M
end4 S- x: ]6 q, x
( l/ p# J# T3 ?* C. Z/ k8 ^to get-global-proportion
) ~; {# c, X5 C lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# t, I0 @5 ]% E* }
[set global-proportion 0]
" ^+ c! Z) c) S[let i 0
; N; P E9 H0 Ilet sum-money 0/ i5 ]0 y; h' ^. t: }8 P
while[ i < people]4 g: ^( d: J$ z2 _$ Z
[0 p, d& T7 y2 a# `
if( length (item i
) A1 e2 ?$ @* b) t2 K[trade-record-all] of customer) > 3 )
- ~) Y( _: A9 ^# ` N4 s6 {[, v+ g" {7 E* v6 v4 s+ w E P, J
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), l* \" O k$ y6 b1 G Z+ r
]
3 t1 P: R- W8 b, J) C* Q% z' }. j]9 ^$ x2 X. v$ a4 n
let j 0! i, [) }5 ^$ g. z- u4 z- k6 B
let note 0
* ]) b% R- n8 Fwhile[ j < people]
. u; _/ V/ D! y/ t' [% \[
9 b8 g$ S3 n+ R! ?) z+ M) n [) Cif( length (item i3 y- _/ c7 V+ M1 Y ~
[trade-record-all] of customer) > 3 )
1 `6 f1 H7 z ?* F( V0 V[
- h z+ c* y9 x# Gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 D7 V% `1 i; z! O
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ @& M8 Y& [5 n5 g# ^6 O. s[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]; m- u) h- a. j# \% b9 o
]% J- n |" w9 b5 F4 [# U4 I
]3 k' x# b* D9 g$ G: M8 i
set global-proportion note
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end
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to do-trade0 ?! }4 a1 x/ D7 @2 A% D
;;这个过程实际上是给双方作出评价的过程
2 L; d/ h( t. d6 t% v6 ~- `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ U2 ^% f1 t: X4 [1 g' t+ Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价; i) U0 B8 Z$ J. k! \$ }6 Q3 `
set trade-record-current lput(timer) trade-record-current* ?' B" [# b) i! e3 q8 ~8 D
;;评价时间
/ H! _1 V+ R* e/ {# Dask myself [
3 t6 o/ |; c/ W* g [: supdate-local-reputation
% C: q$ n9 O) R+ E, ?set trade-record-current lput([local-reputation] of myself) trade-record-current
q5 v9 ?! X) N( A1 U# Y]+ \" @* I5 u9 |
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 V+ ~5 G) T( O0 U4 h0 b: y
;;将此次交易的记录加入到trade-record-one中
! } k; i7 v; gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ F( A r1 y8 f1 N* i
let note (item 2 trade-record-current )
$ Z+ s; ]2 d7 T6 z! O5 Lset trade-record-current: z- U5 f& W) J
(replace-item 2 trade-record-current (item 3 trade-record-current))0 g& e9 }8 h& F) m! J3 [
set trade-record-current0 C# J( Z. h+ k k8 ~3 c# v
(replace-item 3 trade-record-current note)
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. i, i6 {$ J, X# bask customer [
+ ~2 j! c! V2 `$ P& Eupdate-local-reputation& }: X; B$ u3 w# R( h; v" n) |
set trade-record-current. N* `) _. z# a% }# b. n- Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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! U1 L# u. Y$ j( u+ \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer [! C: }- g0 J( l
9 ]+ ~ F$ ~6 w J/ Rset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
}: Y5 h4 N8 c. T;;将此次交易的记录加入到customer的trade-record-all中# P& {4 x' _& F5 v- \% [1 o
end
9 W6 k. d/ M8 q6 X% B0 n# f
# t, Q+ g, k+ v/ v( O% j( r1 \1 Vto update-local-reputation- t- Z1 q+ n l. d
set [trade-record-one-len] of myself length [trade-record-one] of myself
% [- r; Z$ m2 S2 z$ z! u# h0 {) S& A9 Q5 Z G
\" {& X+ K4 D( U2 l; ]) o* s;;if [trade-record-one-len] of myself > 3 ' `( p6 u4 h% o$ \- O
update-neighbor-total: u2 k1 j# u4 l$ Y2 q3 t" u j: s
;;更新邻居节点的数目,在此进行' U& c. E" h0 u/ L6 M
let i 3
9 X1 B) N) H, g. U$ Qlet sum-time 0
$ R* j! r! j2 L M. @while[i < [trade-record-one-len] of myself]
. U4 N; N8 R1 c/ {8 q) y[
; k% H" {7 D0 [, j: Q) ~( Iset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ u2 q: Q6 ^/ v# ]) e+ k3 Q9 g
set i
8 F+ W' M; g* [9 M9 E( i + 1)
% E- ~$ Y! u+ T2 m$ V% B, G, S]0 i; c" I$ H: A2 b5 t3 G$ V* L
let j 3
, s( H3 _/ P5 P6 z; T( g/ s3 E$ mlet sum-money 0) S1 [* F! o7 m' Y6 n, H- m
while[j < [trade-record-one-len] of myself]/ \- x5 G2 k- e" `; r. \
[
0 i) Z* k/ K3 F( i1 T3 xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)4 s* o4 K+ c l3 q" a
set j
* u( D1 y+ X' @. W1 |( j + 1)$ G( r+ D3 n% V ~
]
) I2 _& z4 @" d: k) Klet k 3
4 a7 Q% g# @/ i8 p8 X& h- t( olet power 0
. ?5 a( A. C* f' Qlet local 0
3 [$ E* P& B6 @$ u5 }4 ?1 ~while [k <[trade-record-one-len] of myself]4 A, ]2 L6 y% e
[3 W( t3 o/ _5 U" K, 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) , ] A# _: A6 w9 ~& D
set k (k + 1)
/ n2 M4 j6 E7 z! C6 D, J# M]
. b# e2 Y) w8 E( Z& Cset [local-reputation] of myself (local)
% |# ]6 s, W6 u# m& Fend% j8 b, Z& Q4 O0 d# \. U
! ~, {# S! c& s! n( [4 ?
to update-neighbor-total
) Q4 _" m; E1 i8 l* G S* G) E) h& P6 o! M( i# `) B" J! o
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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+ P. o/ R6 P( g: _1 B1 n' Qend
" {- t8 n1 ?, U9 X( P$ N! S3 U8 s x- {3 ^( S- x4 Z
to update-credibility-ijl
) z' a; J* b5 ~9 j v3 R, }9 x7 u- {- h1 }& x! Y$ Q
;;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。$ z" m' r1 u( d+ D0 _
let l 0
& Y- f+ V% F Z4 |6 x) Wwhile[ l < people ]% }( s( p: u- s5 y1 n) 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
8 m+ g# e) [/ w' @[
9 J* E* ^9 l6 t& Plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 @3 o, R: A9 d* ]2 k- q
if (trade-record-one-j-l-len > 3)# h3 ^! K% f e7 w1 r, C: _
[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
+ {( y* v: y& w. a( g# T' `! d$ J. o, ?let i 3! l/ t, @1 |4 G+ s3 ?; u
let sum-time 0
8 t. P, o# n: i& f6 Q% E9 vwhile[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" c x% E5 I+ e, K7 h: y, Wset i
0 I! U" G Y: V+ t( @ S( i + 1)
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8 a4 D0 u9 h( w/ G. k! S3 E$ |let credibility-i-j-l 0
# J7 @2 k: V; U6 ~5 J, Y;;i评价(j对jl的评价)1 w7 H5 }+ J, Z. c% R
let j 3
# m; ~) W# {$ Q+ p2 L/ xlet k 4
& q" ?3 H/ v* z$ Y* F- D# Z- E8 Y$ @; pwhile[j < trade-record-one-len]( ]2 y% I$ n0 w8 I+ J! A& F9 R/ e! V
[, |& C1 I2 ?2 z0 r8 X
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
& h) B) G0 U( Vset 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)
6 U! e& `. T, Q" E2 I! U. Uset j5 h* p8 p4 R3 v
( j + 1)
& u9 S J+ e# l d6 D]
; \. a) B9 c0 {0 t: 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 )); u$ o+ c- Y8 l/ w
" e: f4 B/ G u, W8 E- C C& `) Y; o5 r# {
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! T# k* @9 @; i5 r- p
;;及时更新i对l的评价质量的评价
0 y* o+ _6 W5 J" q/ vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, _* n, W7 ^. ?0 j( e' w) nset l (l + 1)( z3 v& r3 \+ ^ C2 T {6 `
]9 U. Z2 t4 V3 ?
end4 C- Z' v- B% `: V8 W' m0 M
3 O( O& X$ W0 A# uto update-credibility-list
1 D9 b$ F a0 ]- H- H# ?let i 0/ Z; z8 v& {( [ B; f1 O- H( m$ u
while[i < people]3 V: R/ M- w0 P$ ?0 _% l; \
[
% x9 O J! e9 M, Wlet j 0
6 M. D( l$ L$ K1 U! K. s/ q$ Y+ o5 glet note 0: d6 \/ X: U$ n! k" Z, k M$ d
let k 0
, T/ b* v: |9 y5 [" ?;;计作出过评价的邻居节点的数目
) Z/ U% w, }( z2 Z% V$ mwhile[j < people]
) w" \& f# |" K. F[
}" Q; i$ w. p% {7 [% f- yif (item j( [credibility] of turtle (i + 1)) != -1)6 m# {; V4 \! z: |, L
;;判断是否给本turtle的评价质量做出过评价的节点
& i4 j# e/ G9 G# E7 E T[set note (note + item j ([credibility]of turtle (i + 1)))
9 v3 z- V0 ^# s9 z* @, d$ V8 H7 _" S;;*(exp (-(people - 2)))/(people - 2))]
$ Q0 G6 p. x% W9 a9 Aset k (k + 1)9 }+ Z& {$ k* ?& P/ S& N9 { \
]
K6 a( s4 T# fset j (j + 1)% m% E. x P! w/ v
]) g" H: t% Q* ^" `. g% \" w) w
set note (note *(exp (- (1 / k)))/ k)
5 D% p: h/ U* xset credibility-list (replace-item i credibility-list note)
) r+ A& X# i3 K0 M) \' m% @ ?set i (i + 1). T# {0 j5 c9 A- I
]
+ P6 g/ t" d: a0 \& pend
$ { r9 l- a9 I4 E. E: m" d
! Z! T7 j- K) Uto update-global-reputation-list1 [! b% a7 c$ i
let j 0. M" }2 {( ? V- @) O. n- H2 x
while[j < people]5 v2 b( Q1 q, \" _2 K
[
5 P4 D7 z6 L4 W$ K6 u* blet new 0% v, L, ~9 E2 l
;;暂存新的一个全局声誉7 N3 N' h4 G2 V' h5 L' Q
let i 0
! [% q- U* }; p( x" |$ Xlet sum-money 0/ L6 {- d3 f. }' p
let credibility-money 06 L2 q$ c0 j- P! v+ M8 ]; R- U. o
while [i < people]
) W. L) O" J( t; W0 L( G[
2 x$ s: i3 K% X/ Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) X! K0 c4 ~4 N# r, g7 c0 uset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% g7 |; r2 r7 O: _set i (i + 1)$ W% n( e7 p% X, g9 h# L$ E9 a
]
* K$ \- n6 N( x/ }5 V: ]let k 02 q8 @& f v8 g& | W/ ~: h* `8 S
let new1 0
8 M: R' S4 g* l, {0 ?while [k < people]4 J6 s8 l. b4 Z1 l3 r ~5 R
[; ]/ z6 E; a7 j0 f8 x) R7 K h
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)
+ i% ]) q: c% c3 ?set k (k + 1)- x) G1 a! f6 v1 S7 v% ^. R e
]
; `/ m1 l3 K Y& d9 i' i1 n7 jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( D# m! n' ^6 ]
set global-reputation-list (replace-item j global-reputation-list new)1 Q, c6 P$ b4 X7 |* v9 q! a
set j (j + 1)( m* |5 i6 Q7 k( [! D' R$ X9 s
]
$ v; ?0 y! n6 I( I9 Z4 Cend
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8 Y) m) k! M9 B. o L# P7 U- B( F- f$ H- s5 _9 R% _
& O7 Q/ a# Z: R; e/ B" B
to get-color2 o* k/ m& w! O$ u
; d1 F; O& {0 R. {" fset color blue
; y2 Q- O) k8 g; f( I$ Iend
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to poll-class
( u$ A) [* w6 d& W$ iend- h" b; w7 i# ^3 _; B; B
- c9 m0 F4 }9 }+ h4 k% Wto setup-plot1/ T# E5 z7 v$ M5 u
: v$ ~ y T: n( e. a
set-current-plot "Trends-of-Local-reputation"& |( {2 W; h. E% w6 s9 o: H7 e
) [: u3 F; W+ b; O' P5 G
set-plot-x-range 0 xmax. E6 t: ?4 g- o8 R( z
9 Y2 P8 r# V4 r: k1 a' m! t
set-plot-y-range 0.0 ymax9 F/ a# R: y' I% D4 \& a
end
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to setup-plot2
5 L! s9 x6 c( }: `. e- a1 N1 ?7 K; z2 p, W! D7 O& o! C
set-current-plot "Trends-of-global-reputation"$ e2 f. a E4 D* ]6 a+ T
' |7 `3 F2 p% d+ C$ zset-plot-x-range 0 xmax
1 b! ~+ l X8 l5 ^ u* A
7 d- }0 b$ K q) r& j& A6 xset-plot-y-range 0.0 ymax
u4 N% c4 Y4 a- x) Jend! h4 d' g3 f- u. B6 j" E2 E
8 w" b1 ]$ |, j- p+ i' t2 M
to setup-plot3
( h. X. k+ a; e! n) d" B$ w( V( f- A, [0 C& v3 \
set-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax* Y; v5 p' i% C
# V, M9 D5 V$ D; Q
set-plot-y-range 0.0 ymax4 _5 F* {0 `& a# `, G
end
; a0 v+ |+ `) _
; D+ x2 K* }0 C+ |5 sto do-plots2 ~- P c5 G, n
set-current-plot "Trends-of-Local-reputation"7 p! v" m S+ k0 j
set-current-plot-pen "Honest service"3 H# w$ {+ p3 [4 k; J
end+ ?0 O" v) y7 f o5 a' y2 L
9 D$ p& ~3 ?* _[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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