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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# N8 T' X1 @. G# e- I
globals[
" j4 u$ V. O) `8 u- H( Wxmax
e3 p' H3 X- t8 F. @ymax% [) _ ?3 ~% y
global-reputation-list9 p; q6 a5 d4 e# t3 g) C8 m
8 p0 x5 Q5 E6 f" h
;;每一个turtle的全局声誉都存在此LIST中
% A1 s- n; p! V$ O9 vcredibility-list
! Q1 [7 ]- g2 y& F;;每一个turtle的评价可信度
" |/ s* F/ x- N }( Phonest-service3 x/ {- Z& }( H
unhonest-service
0 t$ h1 ^( G0 V* a) z: `; J" eoscillation
: Z* F0 N: C: v; ^# b% Brand-dynamic
m5 ]0 h1 s/ \/ X7 N]
8 B! R3 g( p( K& ^" T
* F7 x1 N1 \0 K, m4 V6 j( ~. mturtles-own[
8 n+ v! y0 z B7 xtrade-record-all! i6 @( }. X& h2 E2 I: Q! T1 x
;;a list of lists,由trade-record-one组成; Z. z# W9 {. s
trade-record-one' ]6 x5 j% Q3 V+ }7 r }% Q' s3 T( 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) F( a F M k4 |2 _
/ d$ _9 ]1 Y( I# D8 p; Y;;[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]]
* O2 G* q5 o, j( Ttrade-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]
% d: o$ P D w, vcredibility-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
0 |: D* {# y; Y, o; x; D7 \+ n* Jneighbor-total2 a' f# e. b+ ^) y: }
;;记录该turtle的邻居节点的数目
. Y/ [& D$ Y+ C. o' c) Ytrade-time9 k5 _$ n% G z: W/ v- y5 _2 ^
;;当前发生交易的turtle的交易时间8 p& A$ J5 C9 @2 Q( t
appraise-give
+ {& n! ]1 F5 [, R;;当前发生交易时给出的评价% R& x9 @) @& T# E' e
appraise-receive( B) S. L# f) l t# a9 J' ]# |
;;当前发生交易时收到的评价& e" B$ x5 n, P0 Y0 X) r5 c0 y
appraise-time
2 W3 n. D3 @9 E& w# D;;当前发生交易时的评价时间
+ Q* A4 ]1 p! w/ [local-reputation-now;;此次交易后相对于对方turtle的局部声誉0 @$ b5 u( [! _5 h0 C
trade-times-total
8 q: f+ u/ v7 N2 E: K" j! t;;与当前turtle的交易总次数+ d5 f# J/ l& M& A1 F, a( v
trade-money-total* |! w1 }! j W. p$ c- L, _
;;与当前turtle的交易总金额9 Q c+ l% L- j1 w, Z" p; L A+ l
local-reputation
0 s/ R& T1 j; ^, s: ?; A1 R$ eglobal-reputation2 }& Q( W ]; o7 X/ z
credibility! p+ h0 f2 d7 s1 ~
;;评价可信度,每次交易后都需要更新
4 j. t% Y, ?. T# E% F7 v3 Fcredibility-all
/ L' D9 i2 ]+ q3 Z;;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
" u8 ]: h. W# E) {/ H3 e
+ V9 R' F; D( f;;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
5 l8 N4 e6 O* g: ^# Q. _1 P- ]% ^credibility-one
& {. Z3 W r2 n; D;;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
9 J7 K4 f, R% g# ~7 iglobal-proportion" F0 ^' `' Y, ?# M1 Q0 T# p
customer
( p1 Y; K4 E, m9 _" r0 `: J- @/ lcustomer-no
' Q1 Y6 \& }5 Y: P: `trust-ok
2 A) t2 z" P$ ~7 M8 Xtrade-record-one-len;;trade-record-one的长度
' a. G: a9 [ C1 @' e) i], E2 Z" X6 M, Y, i' w
2 o2 f: H* c+ |
;;setup procedure8 y9 z1 j5 s* s8 F) v% ?
" H6 k" Z7 J3 i7 ^( o7 r, D' n6 k; ]3 yto setup( i3 x! G; r2 O9 f4 O
5 D \4 @, a; [7 Zca
+ @% i6 T! ?: e( Z
9 P- a |; r6 e' |9 C. m. ]initialize-settings
4 T+ B# {9 I' u, m& N. O9 ^9 E! Z& U9 c) K
crt people [setup-turtles]
1 R4 g% i! h4 W6 A T3 b# f0 A) C) O3 T; e% l" x+ J: V4 I
reset-timer
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poll-class3 M6 d: p5 P) P' Q) A! D& H
; e. B; i, S! R: u. @ e" \
setup-plots. H) X# Z+ ?$ m# d& e! V
2 J! A) B! H# ?8 ?do-plots1 j# l! a# F) t. N5 B8 A" S
end R7 n4 d; w4 e9 h) H4 X1 e
3 I5 ]9 [$ r# c+ Z) T0 k/ Dto initialize-settings
4 K/ D+ x+ ^/ F8 N, D; s
: w% N0 g$ v% d2 w0 G7 T# u2 Cset global-reputation-list []
6 b0 g* C6 K! ]" ^; [ J3 R& _0 s9 t
set credibility-list n-values people [0.5]
$ ^" l+ ]7 I" ?/ z5 X! \9 x) O, k8 A2 w$ {7 z, W
set honest-service 0
1 J8 F* w& ?% ?; i8 J9 s
+ }$ J5 R- X1 Y) u( }set unhonest-service 0' h5 E2 F; z. J! g
" w4 M! n( a r2 c H3 r
set oscillation 0/ _$ D0 z$ D5 u4 [2 p
/ j% V0 V* @/ U' n
set rand-dynamic 0* E2 Y- \* l" B
end
; v$ f' ~ e) p/ w0 X: @0 ]" m% ]
to setup-turtles
9 n8 U* Q2 P, K: \set shape "person"
1 c2 O* K; n$ [ j) d1 `1 Qsetxy random-xcor random-ycor3 z! j& `/ q* v
set trade-record-one []1 f7 y" ~: \5 q: b8 Z4 G. `& o
8 x. u" Q- v8 x8 V8 D) T
set trade-record-all n-values people [(list (? + 1) 0 0)]
2 \0 s$ A4 [5 |; a; r& P. W- w5 U: ~) n" E+ i
set trade-record-current []0 s1 l! s$ S' H5 F6 C- T: ~) `
set credibility-receive []& _, ^! ^" M* P
set local-reputation 0.56 k# I6 C4 \8 d4 ~1 j1 ^1 s/ `; I% W& |
set neighbor-total 0
1 C2 `) F6 v$ n) b5 ^; wset trade-times-total 0
, `( a/ E4 F" d v) Pset trade-money-total 0
1 u6 _: a! Y6 d r4 [+ d3 Oset customer nobody
# u* r% F; G; \set credibility-all n-values people [creat-credibility]) T D( [/ c% u+ a2 h4 ^. z, }* D
set credibility n-values people [-1]4 O( @# V8 C! t! r# c+ l/ ^
get-color
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end4 Q" c& U- s$ q# ~+ _" o# H
4 j5 P, |4 l, @
to-report creat-credibility0 u$ G# N2 ^. @( s" a
report n-values people [0.5]
7 n2 G- q5 i" f) c0 ^end" {! b" k1 {8 b4 D. E8 ^
0 g k% e4 ^7 f* R. [7 x, n4 m
to setup-plots6 V9 T# i% A+ X$ q6 K0 v. i# g# W
* |( m& v% q3 U+ u# Uset xmax 309 j. D( l; R4 k+ @. p+ D* _" d
. ^ n, @* F9 F; D' [8 R& x& U$ {set ymax 1.0' @# Q8 M5 X" X8 {2 b
9 ^1 C# Y3 j8 n; I! l5 ~! q5 Nclear-all-plots( o5 t$ S: Z, E/ b3 b; u4 |. S8 I
. \. R, O+ t1 D- V1 W0 m; Msetup-plot1
1 M4 r/ R9 [/ ?! M5 _
5 O0 o/ z" ~& ^ B, t) u7 msetup-plot2$ Y* l& O9 \9 G0 D" y- F5 Q) M
) `+ k! B6 g6 c9 `* ]8 H
setup-plot3
( G- t# B( A5 \7 \( Wend
! j! V+ H* r6 W( m6 i
/ l& T7 }7 p+ u, e;;run time procedures) ?+ D2 o1 d1 W( H* l
4 |2 R3 Z6 \, v0 Z8 oto go/ m' d% C- t Z, V# G8 T. j
; W: t9 _+ r' k% I3 s
ask turtles [do-business]
* [# K' ~: y8 [0 p1 A9 K" Mend
/ ^9 s. t( J+ y9 n7 w4 y6 j( j' n& s! o
to do-business ; u/ N7 h C1 V& Y9 e. m
/ D5 a- h0 k: j/ F- K' \
( x J! V, q. j. _" l6 ~ Q) n2 P
rt random 360$ [6 L8 S1 N" C$ ~% D0 k
8 q( d5 o m( u, x3 @# n% G$ rfd 1
) q$ N; B. l# |6 F0 u$ n# P# z$ y7 J H/ Y! H" s
ifelse(other turtles-here != nobody)[5 F8 @: h/ e( S g8 M" i9 Z" R
8 H* k# ^4 k0 r; J5 A" t
set customer one-of other turtles-here
0 ~+ P2 V3 {1 f3 q* ]2 P7 F* L) N5 x& w" t- ^
;; set [customer] of customer myself
: F- }2 |+ e# P& T5 J* Q+ a) u5 Q7 x' p6 B
set [trade-record-one] of self item (([who] of customer) - 1): Q3 k5 Z4 b+ R/ t/ x; T: C% j
[trade-record-all]of self
; J% f0 q+ u# E% S$ `3 J& C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
8 T; S+ S; x5 t8 Y9 {% V+ g1 D$ U% S, ]8 i* J0 v4 D& C
set [trade-record-one] of customer item (([who] of self) - 1)) O0 W" u9 A7 U) d- p
[trade-record-all]of customer o, W/ ]4 b& d, h& f5 j+ e
% a" [* k' V) t+ w9 ~set [trade-record-one-len] of self length [trade-record-one] of self& h& G. [1 F: }5 {
* i" d4 j' ^4 {/ W, m
set trade-record-current( list (timer) (random money-upper-limit))- e9 j$ q1 L' E* i8 J
@' w9 T3 @" nask self [do-trust]
- O. Q4 |, ~0 e5 Y;;先求i对j的信任度/ }& y" ?" z% O- x- [$ G( L- x
" u7 R5 Z7 `% J( p* j1 E9 pif ([trust-ok] of self)7 _) n* N2 K$ B- H+ [5 N6 Z: i! L4 {
;;根据i对j的信任度来决定是否与j进行交易[/ z3 }) T) r4 c
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: N8 H4 v1 z+ g0 P$ Z
, t6 z# h `5 ~$ E4 j! w
[
# }' v" T7 f, V: A9 J
7 _9 X6 d$ `5 E1 c# Kdo-trade
+ J' _. I9 f* T: m, G- T! {1 \# K
update-credibility-ijl
& ]. B; b/ P9 x; J* Y4 w* G$ r; Z# K- }8 y9 @+ j
update-credibility-list
" N! S# U) ]* p! [( H5 l8 ?) o9 ]: K' D- x6 E' w$ @0 J6 J
, C' ]) g% ]! V/ C
update-global-reputation-list
P+ G8 D3 c \/ x
" ]; Z. G% }1 d8 G) J* Dpoll-class
. K, d/ X' e9 U0 T' x* ]1 e
L; r& I% J0 g, w8 Gget-color0 {7 [6 T/ G. e. G1 [" l* h" p! w: Z
- t/ X( c( Q( u]]
, F+ Z' V1 S+ v$ {) G) D
0 a0 o _( j7 I3 l! C9 C! i, U;;如果所得的信任度满足条件,则进行交易' t3 I+ o, g, u p+ l+ Q+ S
9 U8 l4 O# L+ x' t. m. ^# [; L[
, z! i0 I( y% C1 D1 J, h7 h( j1 c# {0 p% K& j7 Y s
rt random 360
1 ^ \, s" A. S9 a& D# ?( v( j$ J" A& x6 L2 c2 X3 P
fd 1
# ^; w9 K* Y2 m! p$ v4 R
; M$ U* r( N H9 U F O]3 C8 ?7 Q! q6 x0 I( x' i; E, v
5 t( [/ x2 f% s. @# s$ w1 yend7 p7 q* H. F& [; L2 v! m& v
4 v- P g0 J) n9 w; r+ Cto do-trust . q+ W! \2 i' [! T5 u7 c0 I
set trust-ok False
$ d3 |8 K9 b+ K8 M" B, I4 Z$ w6 |: a6 h. o6 D# P3 g. V f d
& m9 a0 o' K" R+ A
let max-trade-times 0
. J3 U5 e/ M' m+ F' ]! Lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 ^4 j. b0 T4 i5 d7 s k
let max-trade-money 0
7 z5 |# L5 D% {/ S. P4 iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ |& q4 U9 w+ s4 C* Alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! ^0 D. p# y6 o. G9 ^$ m1 ?6 `8 K5 m. p! I
+ X1 M, C3 K; C* uget-global-proportion1 n# r& Z+ j7 m% m: V% b' v
let trust-value
6 e4 J* T' C! b* ?. g! i. alocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
% C9 ?: c; F( u. S2 @4 Eif(trust-value > trade-trust-value)
) r6 \: m* U- M7 g6 w W1 H[set trust-ok true]# Z- w/ u0 t; k0 `0 L5 f
end& v' j+ R3 T+ C1 _* }' c
H+ I6 w5 K+ T5 s, Y5 [$ O
to get-global-proportion
3 q9 Y7 O3 X/ Q% k6 zifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" B# _ G1 {: N) c2 G' ][set global-proportion 0]8 P4 }4 h- k5 D+ a3 m6 z3 W ^
[let i 08 t4 F" c, e {4 L; E5 P$ z! ]
let sum-money 0
0 O. c7 y3 s( _6 A( V3 }while[ i < people]
3 k J& a( m. t, K[
9 L6 e- E8 }2 P6 s2 {. x8 e& Sif( length (item i
3 U) Y1 l" y/ C* t5 p[trade-record-all] of customer) > 3 )
: S: A9 m4 S" g* ?0 b9 r[
& L5 {9 K9 o1 | cset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
$ ^+ v' a2 P" O]
. u( h5 M& w) O7 S) Y$ r. }% H# D] ?0 {' n9 P6 _9 z P
let j 0
2 |* Z! o/ G3 a2 L" Jlet note 0. _9 `2 H( h& p- [8 q3 ~
while[ j < people]) X7 j1 {+ i0 r8 _
[
0 h6 D4 D4 r# y) J" \if( length (item i3 ^1 J$ {/ }2 n# B
[trade-record-all] of customer) > 3 )/ C0 c7 J2 S4 B, f4 f" D) I7 L# i
[2 h8 V7 P+ |, S+ R% s) q+ j
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& O6 e% v/ y7 Y4 i0 V[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; ]+ m5 U* Z, U; V5 g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 e) A8 w" {; B" F
]1 ~& L: t L2 p! r" Z
]' k( C8 b8 E& }& K
set global-proportion note. N0 A" A5 e: X8 L# Y8 D
]& f1 L4 Z0 r- I0 y4 N
end- G- h" q% T8 q3 `+ Q& ]; Y
4 y% Q: K/ ]& Y3 g H& _5 n* U
to do-trade N2 T! s9 L, R
;;这个过程实际上是给双方作出评价的过程
9 C# i3 S { e/ D4 B' T( X$ V0 vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 ?$ j0 k9 M! t* R: aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! a& Y; U- A! Z# d
set trade-record-current lput(timer) trade-record-current
& _* I# M# |& T5 l/ A: V* M+ g;;评价时间
$ V; j: e# j" c$ o& t9 u9 `/ g; Eask myself [( ]! z2 P. P W/ |3 w
update-local-reputation
! {" b1 q( i. b4 F, h3 ]7 fset trade-record-current lput([local-reputation] of myself) trade-record-current
1 V1 [4 B' [) m1 r1 t$ a# ~]
7 F; E+ e( r/ _5 e4 Tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ k9 a9 T% R5 ^6 P" w9 C4 @, j
;;将此次交易的记录加入到trade-record-one中6 X& g1 O+ t+ U4 C2 ?2 U* V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): c! f3 @0 U5 ?/ T0 c
let note (item 2 trade-record-current ), C! {8 h& A; j6 \' o# ^
set trade-record-current9 D' N" E+ K7 m
(replace-item 2 trade-record-current (item 3 trade-record-current))
' T( r! N2 q0 w4 V: uset trade-record-current: M$ T, d# k- w" `" e; b
(replace-item 3 trade-record-current note)3 O5 o0 h6 u* }3 V! |, o
$ Y! A6 }6 Q' H9 g, @
( d, C: Y- Z/ l Sask customer [
( G& | Q8 G8 E7 Eupdate-local-reputation( n. i7 e; [" F6 g! S
set trade-record-current
+ E4 D6 w+ H& `( @+ k(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 q$ X6 _( f8 P
]
2 w1 Y4 P) s1 g) I7 P ~8 }% \: M% E# k$ w5 c5 `) S, U. {
) Q6 a% \0 o+ y& s; p* n8 a& q# x3 P
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 X+ e# q, j# L1 D5 E+ D8 u
, M8 V$ d, t3 w" A+ v3 @, p- G; T
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 g5 J J* F) f" D: E;;将此次交易的记录加入到customer的trade-record-all中" Z {+ [4 o2 w) r9 o
end
: c$ N8 v9 { k* D
# N1 A9 m) |9 t# h, ?! Bto update-local-reputation
8 ^$ _ T, O7 U, ^3 [set [trade-record-one-len] of myself length [trade-record-one] of myself
, {1 r3 G2 L, }0 @7 g8 z a0 ?
6 R/ [" V3 Y, k' A" z0 g0 U3 D+ j+ V& `" d
;;if [trade-record-one-len] of myself > 3
& d' Z( p7 p0 n' f* zupdate-neighbor-total0 F, L2 [! D) X& v' C0 t! s6 ]: z
;;更新邻居节点的数目,在此进行7 |5 G; ]) x @ l. R. \
let i 3
$ P, K" P& |# y& F8 Elet sum-time 0
|3 U9 y) b4 ^0 Ywhile[i < [trade-record-one-len] of myself]
; T! U9 i" B7 ?; t[2 G' t4 e2 m, ?/ T- ?
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 b# X$ v, @3 t. V' c" ]7 q- gset i
2 J) W, a: w) J( @( i + 1)
8 h' k+ ]4 Z4 C+ A5 G1 y) |5 O]
) ^/ [; G5 m( ~ C/ F8 R/ W( K7 K* xlet j 32 f; D9 C4 \6 l( s4 i" F, h3 f' F0 z
let sum-money 0
$ i' C( k2 Y# \+ ^while[j < [trade-record-one-len] of myself]& |" o" G4 a0 U+ g+ c
[% D( ~0 i! p% y/ B
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 ]8 C3 H1 Z) C2 Y$ Q. Z, jset j" i, y1 B9 |0 Y2 w. C
( j + 1)
~1 @' S! Y4 z8 n1 w, {! V7 y]
' M) h2 S8 ~. b* E' `2 l% Dlet k 3
2 u/ { i, V* v$ jlet power 0
f3 G, m @5 j4 q8 clet local 0
K# @5 h+ X8 M5 Wwhile [k <[trade-record-one-len] of myself]
; b# [$ y4 u; w[
2 a) {" y' A+ |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) . ^6 B7 e: \8 V2 A6 h
set k (k + 1)
8 b& ] W+ ]2 B]
# M; B' |2 i6 u4 R3 ^set [local-reputation] of myself (local)
2 f+ G5 t- W' e; hend- i: Z& \! ~5 u% \2 O8 U9 W6 d
3 o$ h( d9 P7 ?' d7 }7 w6 ]to update-neighbor-total
' X) W, ~4 C I# f! a0 A$ A, Z6 ]
8 \/ R* e4 |# Z2 f# vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ O( y) F) ]% m( E z" r. S6 _" S% c( h0 I5 p. B
, ~7 l- x7 y- Wend7 q ]2 Z9 ~) j8 v# j. S
$ N( L) U' O3 x& v
to update-credibility-ijl
5 l0 ?, h+ z7 v* z1 _' j
5 @) Z1 M0 B6 ~8 ^;;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。
6 A* l; E9 B1 T0 W, C, \& F- Rlet l 0 \0 m1 ^+ s; V- k& J* z' a# Z
while[ l < people ]
! ?" |; B' ^6 H" F;;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 W* P' f2 U+ ]5 C/ m6 w[; X+ _/ q6 ~, u5 I
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) k0 Z# }' l& f1 u
if (trade-record-one-j-l-len > 3)0 S8 f! a: W$ U8 d; U C, G
[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
- R+ p0 V% ?: I% T' Rlet i 3
* n" B% _; H# k. V7 u" w5 _4 Dlet sum-time 0
. E3 _* n1 ]# A7 W- ^while[i < trade-record-one-len]
8 K6 A. H X( u' I[
- _" ?/ V6 S- S' @5 s7 _set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& N* F4 O! t4 l2 ], p$ F9 }, [* T
set i/ W4 g5 Q: c7 v" B: [/ M S9 W
( i + 1)7 h! K6 \' ^/ N, V/ S
]
" M! S( @, _0 x# ilet credibility-i-j-l 0
& b4 F' V1 s& i( P. z2 t# s D5 A;;i评价(j对jl的评价)
& H" M; ~5 e1 H) alet j 3- K+ }) o( D- O' G5 b* i. T
let k 4
4 m$ L! ]- C0 Xwhile[j < trade-record-one-len]+ d* X. n& K9 \, w) n; o: x- e9 L
[
2 B8 k( i1 c- |, V5 c% z4 X7 n$ awhile [((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
/ l3 N: I C0 j3 y4 \; Yset 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)9 q$ ?* q1 q0 t
set j" ^. n8 L* ]6 Z& |5 d) s" ~& e) C
( j + 1)
; `6 a7 _( t6 r) C* j; j# E u0 x( }]
6 R" n# u" C9 Kset [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 ))
0 I# k; U2 ?. |3 z$ F
+ d, C, L7 D9 l" ~) ^$ ]+ T( L y' Q0 C8 r6 a e: K) t; y
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- M) V- ~0 y* \0 `0 i: Q% C
;;及时更新i对l的评价质量的评价0 d6 Q( W- W r) ~5 G9 v/ Z3 E' o( Q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# L( x6 S; _3 S% G4 x& ^& w- Mset l (l + 1)
* d E3 e) g) i]
# R$ {- r- G! F( q6 ~9 qend" R) B& K) m* F g$ |: }; h$ `% V
7 v! {0 X) E1 C! g; H% d3 n" hto update-credibility-list
5 `* k7 K( |9 N! Qlet i 0
! [+ i$ b' d# e: c8 bwhile[i < people]
5 h1 x9 E- y, E# C& a[$ i' A* R, _4 p2 M8 h6 r1 [
let j 0
! E) [) c) S p) S& J$ Llet note 00 }+ w! c; Y" t8 J
let k 0
3 L) h7 c" x) E9 R- j;;计作出过评价的邻居节点的数目1 } W: Z$ N. |4 ~
while[j < people]
1 e& @' q0 ]. f[: L7 `. u2 U) D R( X
if (item j( [credibility] of turtle (i + 1)) != -1); `8 r! Q' v l& ~0 X% T/ x. |2 X8 a8 U
;;判断是否给本turtle的评价质量做出过评价的节点
+ ], v4 K) V% O! v[set note (note + item j ([credibility]of turtle (i + 1)))
$ R" N8 v; d' Y8 k3 a;;*(exp (-(people - 2)))/(people - 2))]
: i3 W9 G2 P, w; P) Jset k (k + 1), ?' }$ i8 y# ?5 e( Y5 z
]( Q. O. ]7 n: w r/ L3 c9 c
set j (j + 1)
) {) S9 _! U6 s( g]
1 a$ k# [9 a, q4 a/ Qset note (note *(exp (- (1 / k)))/ k)
. Y* \) U. r5 ^/ Gset credibility-list (replace-item i credibility-list note)5 g0 P: f1 H! |$ y9 x+ _2 S
set i (i + 1)
8 i4 b" d1 A2 R1 q4 u5 D7 T& Y5 d, ?]
7 X0 ~" {, p" @% H5 X# F. I: Y. l/ \end
4 G/ d8 ^* @" ~% Y9 l9 w1 A& I0 _9 k" w' Z; j# X
to update-global-reputation-list
! u! Y3 ^- a8 j# o3 ^2 d0 slet j 0, z Z" x$ C' d
while[j < people]
& |5 x9 B" Z) N[& [( a# @2 ~* ~ v8 R; L
let new 0
+ e; K9 n) p" n1 ];;暂存新的一个全局声誉
7 c7 O5 b0 R) x1 f0 }let i 0" c3 E# C! x$ O) A8 O( p
let sum-money 0
* J2 _& W! U1 v# S* G4 Elet credibility-money 0( \3 f1 i8 h- o+ | o/ ~& |4 X
while [i < people]7 _1 N/ _4 S1 |3 I* M$ c
[
: ^/ V* t# j4 N1 vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ a5 G5 U. }: V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 x! ^; h8 ?0 ]# W1 ^5 ^set i (i + 1)! _$ `# h! a! }9 C
]; I/ P+ X, q, h2 m
let k 02 H2 g2 @& |1 V5 |4 ]7 q/ l
let new1 0- d1 U3 @7 m: }* m
while [k < people]
5 d0 s. m+ L+ F2 l% l1 [/ E% S9 w[% E6 V! E( G, D1 _
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)
8 v1 G# k- N3 D9 a1 d! d4 ]7 Aset k (k + 1)' x3 A0 l" v5 Z* e K. l
]; w, U1 ~1 x) i9 Z: J! h( O3 m9 h. i- y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 S: k r4 @8 W9 S; n; Zset global-reputation-list (replace-item j global-reputation-list new)
7 f9 E/ b' A. ?+ R% }/ f1 Qset j (j + 1)
6 }, O4 w3 g. w% P/ D]6 Q0 T0 V4 G7 ]9 g' v# ]2 J
end
6 F5 r9 ?# T+ \
) d5 c) T1 W- L0 ?( W6 y" d3 r" [& C+ D: W* c7 B
* ^* l, N: `9 j& h* Xto get-color
( L4 m4 Y6 r9 j0 |
* [# [1 w& [. i; a0 A8 Rset color blue3 W; w! w/ z% U
end6 F9 O- l, b+ K' a
& s" Q. m9 M. q+ `* S2 Rto poll-class, W% l' n$ l1 U% j7 ?! ^
end! _7 V" R* o2 H; n& J* n: g9 x
! q+ `% [# f* X4 W5 ?to setup-plot1
& |$ u2 D# _- _# x* g$ h* x5 F) } t6 ]# T! B8 \% ]0 k. n
set-current-plot "Trends-of-Local-reputation"
+ z8 w& Z. q$ y. w! m' @, W) v, D* {4 v3 t
set-plot-x-range 0 xmax8 u" ^- K, N# s4 Y2 Q* U) w
9 Z4 ]0 j9 T8 A6 d- y+ x+ I; k
set-plot-y-range 0.0 ymax
/ Z9 H! s$ J- F6 H$ k% W6 bend! _) s- x X5 k# I2 G
& }- ]7 b* E: R! B" d4 ?to setup-plot2
0 T, x4 N3 \- x, o2 n: R( Z" t) w" J) D5 ^9 ^' p4 C5 D
set-current-plot "Trends-of-global-reputation"" x1 S, z* B, `2 g
4 D8 D" o/ Q% N9 X5 qset-plot-x-range 0 xmax
3 ]6 [5 W6 S0 U, N5 i
$ e: @0 n2 I9 V6 Q! @: ?set-plot-y-range 0.0 ymax
. H6 d/ W# [" Iend
g; V F1 P$ n
8 L X3 s/ q2 fto setup-plot36 S: V' Z6 h d0 A9 n4 |2 s0 @
. W+ S6 @; `7 K! [/ O# C
set-current-plot "Trends-of-credibility"6 a: P8 L6 A3 h8 L
5 k0 K3 g4 `% r- x+ d. \$ lset-plot-x-range 0 xmax6 x6 e" L! H0 q% ?: U4 ?: W
* c b6 B/ T. C/ a: x: ]
set-plot-y-range 0.0 ymax2 ]. ]! V. z# q
end
3 ^$ B; y4 a1 A! h3 h9 r# j$ K
8 V8 |2 _- ~8 B6 b& Lto do-plots
& b3 f, \1 ]5 {" i. `set-current-plot "Trends-of-Local-reputation"
- P8 P- R" W5 V; V4 eset-current-plot-pen "Honest service": ?, X3 z l A7 ^' x- i" r
end. r& H; g" x+ ]* W( O1 d/ V
$ U5 Z' d U4 ]( W5 F[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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