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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- P n! @! n" l+ N2 h
globals[) }& i2 S* M2 S
xmax8 I; q" N T4 {8 D9 M2 m; C) e- ~
ymax! N+ t5 _* ~, U3 P! _" n
global-reputation-list N+ f% ~: a& r6 _+ D# R! q
+ }7 G9 D/ o) u! C;;每一个turtle的全局声誉都存在此LIST中4 ]: V* @& A. c# Y$ O9 L
credibility-list `/ Y V. Y: H- j: d
;;每一个turtle的评价可信度
5 w; C. W8 W6 A( q4 z' Qhonest-service
7 o& _& R8 j( ~0 E3 [/ U! c; cunhonest-service: ?5 ?7 h; H2 p5 s( h9 C; B
oscillation
$ B5 T; h4 w7 @' f) hrand-dynamic. ]) f$ D8 [) {4 r6 ?1 C" R
]
$ D1 O$ e5 O2 e" Y1 Y" ], |- E8 K
6 b+ G( t. l% _turtles-own[
5 a% Q( U: Z( U- y9 mtrade-record-all
4 y0 z1 e- P, Q/ K: M$ M% A;;a list of lists,由trade-record-one组成/ d2 Z6 m- Q9 s& |" G
trade-record-one! M- ~# h: o: P
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! D0 q: v' @' A/ O5 w* Q
7 L4 p# G' `) @/ g$ f4 s4 U1 h;;[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]]2 C- H8 P! @: J/ e# k! T
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]7 C' O5 t3 c+ F R6 V
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' V9 X# [8 x r
neighbor-total
- w: w& v" \7 F9 S8 ^8 S a;;记录该turtle的邻居节点的数目: l2 f4 F$ I* C% R. m
trade-time
& R1 B0 Z! _$ D* N" `;;当前发生交易的turtle的交易时间( m# r3 C2 v7 n) H: N+ ]3 f
appraise-give2 s& U, Q1 M/ F1 e3 `! O
;;当前发生交易时给出的评价8 p+ ]7 C& |9 w! |1 D2 c
appraise-receive
( G* t- o% D( b1 L# W& x;;当前发生交易时收到的评价
2 L1 _8 q8 r T4 Vappraise-time) R* ^! ~( f. T8 \5 g" a
;;当前发生交易时的评价时间
: z: B5 o8 j! x1 Q6 k. `local-reputation-now;;此次交易后相对于对方turtle的局部声誉. l/ q4 b: p7 a; d! R8 w# x: Y
trade-times-total
+ V4 ^+ F1 d% \;;与当前turtle的交易总次数& W- g, B' |( o8 U. a5 N6 q
trade-money-total
4 c' Z( W3 q: L2 p R2 Y. [- {;;与当前turtle的交易总金额7 E1 V8 f' v# ] f
local-reputation
; L% E& A/ @5 H m" ?! }2 Iglobal-reputation0 |+ w1 u0 M& {; H! `( e! Q
credibility
: E; h6 s' F5 D;;评价可信度,每次交易后都需要更新
7 s3 Y9 E9 ] x0 rcredibility-all
' z# H% s# H" N1 A;;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- R- e& [* M' |# v" v
: `1 q' R9 r2 f: g2 h$ G; 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0.5- J$ n/ G# L: U
credibility-one
; Q5 `3 b W+ A; ~;;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* `0 P" Q* _. ]% ^
global-proportion! l0 K9 u7 w9 ?, f/ u& T! d* a0 }6 U: n
customer
% R4 `1 {3 y$ a) u; }+ W/ jcustomer-no: F' T) y4 t; n0 V
trust-ok
' p, g1 e1 ]6 |, x; c( \trade-record-one-len;;trade-record-one的长度3 Y/ X9 G: o! r6 {) b* E! X/ h
]! B+ i4 k; H7 Z1 W
3 R( }% k1 w0 o0 J' D/ o
;;setup procedure
' V5 q( D' K+ w
/ }+ l% J. _" ^to setup
( i% G" Y9 g' S; t
1 S! A- @& m; b% }- N% Qca, U% I- J; C+ W$ l; `
: T; ~+ [( q% d6 e
initialize-settings4 H. G+ J! f# H/ b$ R( i5 P2 W" [
# H1 v; c" f. `6 M6 [% ]crt people [setup-turtles]9 C4 z/ Q* c# H0 p8 B
1 J( s# ]& {6 Y
reset-timer
0 R0 [2 S# I' r9 V. h. q6 b9 k! ?) B- n
poll-class3 M0 _* b# B+ C1 M3 W0 r# {5 S7 K
% e0 U9 n/ k. k4 N
setup-plots5 S2 o6 v* l9 Y0 o: t3 D+ s- z
8 ^; |, u3 X% h& R/ @do-plots; u8 l, c7 E! ]4 p" s
end0 ]% D6 T" n8 \3 [+ l
: @8 }+ Z8 \1 ?3 ato initialize-settings( O" t3 K5 g' m
- N% Q* B+ W8 H1 q3 ^$ Aset global-reputation-list []- x. `* k( q; r; p
% @3 B; G: U; F$ N
set credibility-list n-values people [0.5]
}% p1 v# S5 [' F/ q5 _ P
( h, ~# `+ b# _; \( bset honest-service 0
2 K' V8 k- @% M, z" c8 [
' v3 b. m6 d; @set unhonest-service 0
! t: P8 c5 l: ?9 B% J* b3 ]6 d9 G
set oscillation 0$ s; Q( e; I: m5 R6 @: F- N
. q3 F: m% }; ?, Q! o6 c
set rand-dynamic 03 D9 Z1 j. k! [2 J9 |* B* d) D
end: s) W! B, V/ M" o$ P# a! X5 p
/ k1 P' Y6 X4 Y) V0 ~: Lto setup-turtles
& @# Z7 q; ~$ @set shape "person": O" H+ G& M% [3 n0 x
setxy random-xcor random-ycor- F P w% K0 x& p& J
set trade-record-one []
. d& Q0 t: k% Z! j) Q
2 J! N! @% n5 Sset trade-record-all n-values people [(list (? + 1) 0 0)]
7 |( K) D% Q7 H* J$ T$ k2 O. B3 @$ D8 V o
set trade-record-current []4 r' a5 p# v/ [7 l6 W8 I
set credibility-receive []3 N; H8 w3 U! @
set local-reputation 0.5
! L0 E3 ~7 ^* {& T) \4 A3 k, @8 P) Xset neighbor-total 0
) M3 P: t/ l' q9 M/ j! x( j1 H+ s. I9 l- oset trade-times-total 0" _0 ?6 ]+ {2 G) W3 n6 k8 H
set trade-money-total 0
" N$ |- Q& `! ]7 D- q/ vset customer nobody
7 v' X" G9 ]# P* B t4 Bset credibility-all n-values people [creat-credibility]
~, p7 \, b) k6 ]( Cset credibility n-values people [-1]
* u; m n( \. x" oget-color8 b, u3 E/ g* b
6 @* n; U2 j9 t& w8 q, h( P( e& `5 S
end
1 @- n6 a, T+ r& ]. N7 }
( x) i5 o$ ^/ d/ Mto-report creat-credibility
" ]. L' k1 E; V) M+ _# ]report n-values people [0.5]
# x6 B! N3 w$ {( uend% o7 D H e. k* q3 M( d9 S% [
o* _9 t' I0 S. I, D
to setup-plots0 |" `; W% T. y0 ^9 X) s
: H; ]' R0 o3 @: D) z/ mset xmax 30
6 f; i( s: M2 n5 z) }, B' p2 n8 w) L& v
set ymax 1.0
) T# e8 E3 V( a! t" |. u$ o1 P" m5 R! D8 O$ N: O! e, t; L( @ t8 m
clear-all-plots. v& v/ z" L8 `
) l+ Q1 U. @% p6 Nsetup-plot1
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setup-plot2
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9 ]3 ?4 Z: S4 d. `3 Ksetup-plot3
# ^5 h+ |2 P0 R3 Kend
# u/ r; m$ W/ A+ T" R, c$ U
" i+ A' O) L9 n- M;;run time procedures v3 r+ N) w: u4 r( q& I
& O3 |& B e5 r# ^to go- f* v# v ]/ s5 S+ C- p
$ b- y6 {& ?0 }8 u% E( J& ^ Uask turtles [do-business]) Q" u; w4 \7 u- y3 L$ v: M& Y3 g
end4 @) i8 q; k6 P3 j# k3 |
4 Q E; e; \9 a9 l
to do-business + g( X/ |1 A/ I8 w+ ^
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rt random 3608 G; Z+ }0 I- N. W! K& {
4 R0 j, M9 L' H' `2 n- s3 o1 \fd 1
' Z4 l7 l. V' e% t$ j( y
; t5 q" ^4 K0 a( f% }' Y1 Pifelse(other turtles-here != nobody)[. C! e* t- \! I- s7 C) h5 S8 x8 N; u
s5 r6 ~9 g' T3 k# x2 D L
set customer one-of other turtles-here
+ R* b2 ~4 D# n: V+ Q6 H
' [3 L# z7 p5 O3 ~& W7 Y; I z J0 y, g;; set [customer] of customer myself
/ W6 h/ K4 D v: L; i. l$ j1 J
. b8 I/ A1 K0 G" ]; Mset [trade-record-one] of self item (([who] of customer) - 1)8 V" L9 h$ g ~- M
[trade-record-all]of self" L# w( f% @" [3 {5 l4 N& Q6 X
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 R3 p. j: L- H
) N5 R" G8 z& Eset [trade-record-one] of customer item (([who] of self) - 1)
$ S3 p& I' y0 h$ Z* W0 P0 O1 t[trade-record-all]of customer
1 n5 S" u* C/ ^, B& I7 I
5 r( e: g0 U; `' Iset [trade-record-one-len] of self length [trade-record-one] of self
; n z8 R6 g/ f1 [' j# y+ E* b V6 Y2 w- _1 u2 O5 y' l- Y7 W) h. X5 S
set trade-record-current( list (timer) (random money-upper-limit))3 v6 |# T3 K. `* V! d- y0 I1 j
7 g4 r2 D* M: { Cask self [do-trust]
) h. Y7 A9 S* l) R% _, G' B- n;;先求i对j的信任度
( j1 \' T- \/ _* y6 C7 n! ]: o3 ^' Y9 l3 }; n+ S( r
if ([trust-ok] of self)
! `+ O" r G) b" c, P;;根据i对j的信任度来决定是否与j进行交易[
9 y/ O5 X; h. ]; `ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself P- _) N/ N) Z( V
& z/ ~1 f; ^/ i$ |9 C/ o[
" n( b" h, z i8 e8 L
0 D+ v9 O' }) ~' d* }do-trade0 P& I% |+ n8 l- S$ U! K
9 v2 ~( w8 W( W& d& _; K& U( l8 ?! t/ e/ lupdate-credibility-ijl. C* o% h# k- \
0 Y1 E8 B* C9 Q+ z( x
update-credibility-list
2 j* d8 n F" E' k+ Q) b7 ^* k( W' a
9 X, T) G; L& D9 uupdate-global-reputation-list. r7 p, g% x, y" @; v5 _
' j* n) X% \0 _: j ?
poll-class2 E* s2 [+ _4 `- `" T; S+ z. E
1 U. o7 c' x# O' z- m5 |& kget-color; p0 P) U6 b# d% i7 N) Q$ o- L) i, J
/ j, e4 m& K- L2 a& C5 n8 c; \]]
" ?) r, P9 @' c) J+ o! k2 y* t b- ~+ X
;;如果所得的信任度满足条件,则进行交易/ Q" t/ b( t9 g4 C# `
' j( f7 P$ @* [- L) ^[
* h6 T. z+ ~; k8 B( |
) R& m7 C' p( ?1 ort random 3607 e# J- K2 G9 c- v: V, T2 D* z% |
4 g- ]- P8 l3 _* p. T2 R i
fd 1
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]0 \. v7 ?- H0 P+ w0 u1 ?! I6 ?
2 z! I6 T7 C+ ^: i0 H1 v
end
7 [9 |: o& n" p1 U6 W. T) r5 H9 m9 D) {! X& `6 h! h
to do-trust
% L; I$ y$ o+ I0 e5 {set trust-ok False
% m G6 L% k9 S4 p) Z" b2 s6 Y! R# C0 P1 p5 a5 B m c' W5 w
( `; l, z+ h# T9 G( P$ X, }let max-trade-times 0( Q0 q4 a% R* q4 ` N
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) D; V) c' [. n) r& k5 Vlet max-trade-money 0
* c# r& a4 K8 e' Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 x. N8 P s% F
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
3 I' @9 {% g I' p" H6 E% x, Q& }7 r
/ w; A9 B/ j8 A3 G) e) u5 J2 mget-global-proportion
# ?' i% z' C0 K B2 Ylet trust-value
3 ]/ G. v+ a) {5 V Dlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 Q- Y. b2 k% {) Y; | Fif(trust-value > trade-trust-value)
4 ?1 m" d2 B' }2 A& u) q[set trust-ok true]
9 o( p& U4 j' D% h; G& Q' Q! C0 Vend1 M. Z; T( Z3 ^$ b- C
4 q. \7 ?, M8 R
to get-global-proportion
7 f5 w8 p5 R2 _- s0 X) }4 xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 c1 @1 H. h5 Q( `4 ][set global-proportion 0]! p- p5 I, S* a" z" V
[let i 0
. _" u: f4 U# qlet sum-money 0
% P4 M3 p# X8 o* Hwhile[ i < people]" g+ I* X* A# Q5 e7 Y7 S6 u
[* N! Q, w$ }) [" N; ?' J
if( length (item i
* F) G% F2 N# o& K3 P6 D$ @$ x4 F9 [[trade-record-all] of customer) > 3 )1 @$ K' t+ M/ g$ N
[; |) B6 N6 W: `5 E
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( }0 x$ S8 C7 L" H: s]# v! H7 J4 Q# _ I$ X9 R. n1 _
]
- K" ~3 R$ t3 O4 E( nlet j 0! h. _8 t7 F3 K1 a: T1 e
let note 06 l- A8 O. }# C# D. Q0 D+ [
while[ j < people]
$ @ R$ P% s; o* \[- @$ W' Y) O) P' l. _
if( length (item i
5 u) ]- ^+ k3 w[trade-record-all] of customer) > 3 )
3 x) ^' L, O7 R& y) p1 J[9 o) \- A; W3 G/ c& _
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)1 c% |8 }7 n# c) @+ I- ~$ s$ O6 Y# X; \
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
- `' R# B; J$ Z" f/ {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 \+ y* M& J% k% E& T9 O]: W! ?! ^8 k2 K" W+ |
] C& E3 G7 k9 y; o# c4 M. Q
set global-proportion note; o k! A1 |3 U6 g
]
( n7 u# n" ? o1 F' ~* U) Z5 Eend
* C7 L0 l' c$ F' `: D
7 \- ~$ C3 D9 C8 H! [; Dto do-trade
5 ?( B7 O7 K4 Y, S;;这个过程实际上是给双方作出评价的过程( l( G. U) ?; Z* B* y8 e& j' K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 P* G1 K. C2 C5 j8 h& U# Q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& C* a* Z& K! F- @4 k" X
set trade-record-current lput(timer) trade-record-current& f( D8 m3 l* p+ {3 j
;;评价时间: v6 X6 G4 M( @" y' O1 R: @
ask myself [, Q- R* e# L) U- z9 G2 Y0 {1 e; z
update-local-reputation
/ j' d/ ?3 r7 w+ L4 ]8 h0 Wset trade-record-current lput([local-reputation] of myself) trade-record-current! v0 b5 J% `( P
]8 t ^% i" M7 {' U0 E; }' u2 R% }
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 v& B7 r: a3 h' t& v;;将此次交易的记录加入到trade-record-one中# b* q. R4 I- K6 c8 U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ m6 C+ n7 }% q! i$ ^let note (item 2 trade-record-current )) D7 ^; j* y) {' E* ~) ^
set trade-record-current
+ N2 \5 J7 X) w+ N) I4 X(replace-item 2 trade-record-current (item 3 trade-record-current))
+ D% i) M7 s) w7 F7 P: a! d1 a9 \set trade-record-current
7 R9 E1 ^8 Q) w1 Q, M5 k. b$ F, a(replace-item 3 trade-record-current note)
" N8 v$ j; J0 _- t9 D* f3 _, w# |! r4 y
" F4 n; g% i% i- S
ask customer [
1 |3 S; O( `) I1 y+ lupdate-local-reputation' B; T9 |6 u0 p3 G8 a- j
set trade-record-current9 @( b7 d7 X( q' f5 f8 Z+ x- Y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
P8 v6 B* P8 ?& _0 V8 F]& G: b( e5 q2 S$ ~/ O! p, `, c
4 I* l6 T% h3 Y2 S l( v4 J* J
: O) }8 }1 F( |' y4 Jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ l, k0 |2 \; |9 o+ _
. p' ]$ e" @% Wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" v: Z7 @9 T5 s8 s8 d
;;将此次交易的记录加入到customer的trade-record-all中
. G5 [- ?) {1 d0 I9 q8 Z, xend
0 E/ ?0 C. B* C) T( v- T
8 n4 ?6 \% v N* i8 y) Z: rto update-local-reputation
# }& x2 X6 u" M4 wset [trade-record-one-len] of myself length [trade-record-one] of myself
! {% D* j. F3 B$ `: G
3 L; L& ?; }1 t
) L0 j9 X8 \, x' k( n' O/ ];;if [trade-record-one-len] of myself > 3 & O* D2 I5 b* W
update-neighbor-total! I) B5 h* ^! d; a1 {# {: S, ^
;;更新邻居节点的数目,在此进行) r$ m4 Z( g E ?0 r& _' ?% r
let i 3( z. { N; P7 j" v0 Q; B& s3 {
let sum-time 0
& A* \/ r2 m4 @while[i < [trade-record-one-len] of myself]# g8 V! }8 X, O/ o6 ]( J
[2 D6 c3 B6 V# d% m3 ^1 c9 l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: `3 F3 F; W/ J9 Bset i0 v/ n/ e$ G6 u/ ]! E) s( b k2 k
( i + 1)
7 v: ^2 x. J2 S2 F]
7 n& M! l# v% b$ f0 L( C2 F; o$ Zlet j 3- [- p6 E4 K3 T- O7 T! J
let sum-money 0
$ G# U: \3 m* [- \2 O1 }+ Gwhile[j < [trade-record-one-len] of myself]
4 O# p5 c/ Q6 ], V+ Y6 C( ~& I[
' U4 N4 [- c- ?0 M0 Y: b* Z4 ]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)# E. I3 e! \/ q
set j+ f( w" ~; o8 p
( j + 1)" Y- G O3 R4 ^
]
: k/ W% B' n3 F# {let k 3$ V3 L; D+ S; N6 q/ @/ ?) [8 [! r
let power 00 M! u3 p0 K6 R! w+ R
let local 0
1 y! m0 s5 C, a0 V! O! ^( |while [k <[trade-record-one-len] of myself]) Q* q S6 Z* J5 [; v
[
3 k! ^7 x% L! V7 J0 kset 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) . I5 p' }5 N. I% _# ]" o
set k (k + 1)
N0 s2 b& h5 n]3 {$ j$ P+ P4 z5 a
set [local-reputation] of myself (local), k* j$ e0 C8 r; m" y& ]
end6 F, |% y2 H- K
: I# i; w( j2 D' q' Lto update-neighbor-total
; }7 ?; B, M& ~, O3 y T' B6 o6 a0 P$ F( N$ p
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]7 K5 m7 Y" a' G% S" D+ T8 j% G7 Y
( I% a$ s( {) S6 s- u
: |6 e L3 i( _$ A% Q2 \! `2 Eend
5 Y$ l( ]$ [* a8 f4 U% H, V( J
! {4 K7 C% S9 _( ]1 _0 y ?to update-credibility-ijl
& U6 f/ p" U0 G" \
3 `4 U2 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。
" I2 `# o, e4 o5 ?+ @4 Ulet l 09 s+ N9 k4 w2 i; I' q
while[ l < people ]
2 a2 f" z* D. w* V) G% I3 R;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) g0 m% G3 k/ E0 {) J. w) J
if (trade-record-one-j-l-len > 3)6 c3 a0 |) }) T( 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' g' g- R: k) B5 |8 @. y5 ^
let i 33 m& [% ]& I* E/ U) \
let sum-time 08 E/ J# s/ [9 r" y5 `, B
while[i < trade-record-one-len]" w2 |5 y# T1 H# h ^
[
6 s* s7 x% m; q% \3 o6 u' Pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): n: t- L/ B6 o9 O5 q. h6 `# U. W
set i5 z, o9 B+ w* }' V: @& R6 v' z
( i + 1)6 O, L) f1 G5 i2 Y$ P
]
3 V; \3 O% z/ P: J( V4 T& K) b9 Tlet credibility-i-j-l 0
; ^! S: j% p& j% l( S5 A, l. r9 Z;;i评价(j对jl的评价)
/ Y3 F u! o/ `6 r* O: V6 W# u8 tlet j 3( g" g! I e2 Q% H7 M5 R
let k 4' {1 `) ]4 e7 ?
while[j < trade-record-one-len]
# C: c6 Y( o" S! l! \[
6 N2 }3 ?. `4 i( Z4 Gwhile [((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 G/ Z4 p' p( n; G: ^1 Z0 w
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)( a% m+ B+ j/ x0 u* l3 s1 |
set j' }7 f: q7 k1 Z2 y6 G
( j + 1)* \* R7 s& ^! @% X# l3 c
]: M K5 b, w# W: D( A
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 ))0 c6 [. X4 W! Q, h4 j6 t
; j) y1 s% ?4 b9 K7 ^- D9 O0 X9 g: F/ b0 N: }3 B6 Z: C
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 q+ D* I$ L( u# a( ?- ?
;;及时更新i对l的评价质量的评价
/ e. b5 N* Y! G# y* Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) |4 n0 z3 N* X5 Kset l (l + 1)
& K% o6 ~- o9 S]
$ x. d4 ?8 \) U5 F6 O* T9 b, Aend1 S7 M5 F% Z, H5 x5 R( ]+ ~
7 y) m1 `$ b3 Mto update-credibility-list
+ F) K2 U. p8 U- q% w, [3 v# dlet i 03 X0 ~$ D8 F1 L/ M* x
while[i < people]
2 n/ M9 O) k3 m[
8 O9 r) C8 i6 @3 l8 X0 L! Xlet j 0$ d x2 f& r% q- F" i7 x
let note 0" q2 t. e7 P5 r
let k 0; T+ | \/ q1 @" J' d- g
;;计作出过评价的邻居节点的数目' n) T- W& f4 D! E) Z- H
while[j < people]- x u7 N) ` a: T: E
[6 K+ v" C" E9 K8 `
if (item j( [credibility] of turtle (i + 1)) != -1)' A5 S/ k* p4 a( B% g+ t5 k
;;判断是否给本turtle的评价质量做出过评价的节点. Z$ j u! U+ t4 B/ X9 I( F q d
[set note (note + item j ([credibility]of turtle (i + 1)))
R& x* i! O+ b M$ k8 d$ X8 O;;*(exp (-(people - 2)))/(people - 2))]& K; n1 j2 _! A, v1 K( c, v
set k (k + 1)
9 }. T* R. v% t4 f5 s8 p% j]
3 R B6 R1 Y. P. H. t5 J3 P; Lset j (j + 1)
6 f2 S3 y" m! M" B e. b; J]
% I3 w0 h6 X4 c* qset note (note *(exp (- (1 / k)))/ k)
! E8 j) S* f4 t# qset credibility-list (replace-item i credibility-list note)
% y8 K. @! H m! D1 bset i (i + 1)! ^- i; |4 X6 |4 ?( L4 E
]
# O9 N8 X* e& Uend
3 d/ X+ L% X% C: j1 `- n+ }+ x" E0 h5 L, D
: u* x& @ b+ X2 r$ s! dto update-global-reputation-list- |; I5 S+ _- O% O; k4 V1 p
let j 0
/ W; q' b2 S, \% h% ~while[j < people]' ]$ `3 t8 y' t# w! l: \
[" C( O& a9 B. [1 h! u! L
let new 0( ^+ i0 `# p5 x* e
;;暂存新的一个全局声誉# t; `* K: m- \( @
let i 0
9 \9 P0 x$ ?3 n- J3 r. h) _* O0 _let sum-money 0
, J8 `, Q* ]7 klet credibility-money 0
2 @2 v9 N; X# n% I( xwhile [i < people]
: g, C: z) }, \* g[
% Y E: e [2 Y$ kset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' m, X( o2 C8 ^. ~1 vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 Y- Q" y1 o- S: h
set i (i + 1)
; v# u/ H1 \, U- g C+ S% F# f]
3 @+ m. J, K8 v6 s) i( m6 Z3 jlet k 0
/ C6 k" a; `8 N* Ilet new1 0
: _1 c# ?& w, w9 Iwhile [k < people]
4 f9 H9 M9 _1 H6 T[
* ~# d. P% }# x( L) zset 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)
' _: u. n$ o7 z% Q8 Xset k (k + 1)' [2 v$ v( Z) g a' ^9 a
]$ z D c9 U$ _" @7 c' C1 J/ F
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) : r" i( j/ s" N5 [4 S; x) K, T0 }
set global-reputation-list (replace-item j global-reputation-list new) }. r7 G; Y6 s" S5 O; t( ~
set j (j + 1)
) \+ b1 j' e$ e9 x6 {8 W]
! o1 V% w2 R+ R* r* |; j6 Mend
' l. _4 \- w0 ` W6 h
' e* Q# J: Y; ^! X
) l1 P* M' m* f0 K( D2 u
( w: l6 E* W: s2 r; @8 |to get-color- r4 r5 T" C5 H! A0 }
2 Q2 N" r% ^2 o+ c- ]: ~8 {set color blue
3 S" ~, Y: P: ^: Y, Fend
, R' D* J$ W R9 i. Q; h8 J! b, t8 A2 H( L7 I8 \3 {
to poll-class
5 J# N5 c0 y1 \6 ]& r% e# p! Qend8 J, R3 O" ?' i# |
5 F. D# v3 ?" L3 @" X$ K$ G* ]to setup-plot1
! ^ S. Q7 I- C9 P" U
7 {) @/ V3 R& w; ]5 X0 z4 ^7 Hset-current-plot "Trends-of-Local-reputation"1 h: L( {) w3 [/ k* c/ s- Z% j& T
! c. n. a# K" R, a
set-plot-x-range 0 xmax3 \& v# i5 L3 X7 |! h
1 [! p- t/ ^& D) E8 F
set-plot-y-range 0.0 ymax9 _6 ]6 W$ O3 a& {$ `' I. b
end8 Y9 y6 \: ^- y: I7 D! p/ Y; D
% S0 `3 M1 j4 n9 g, ^% _0 V
to setup-plot2( f; `8 ?3 w. D3 L
7 u1 k( S9 m5 s9 ?2 s# Jset-current-plot "Trends-of-global-reputation"
3 G8 G/ z" C5 Z- S. |5 g* j/ e
. y- v* G8 I( cset-plot-x-range 0 xmax
- q9 m: x; S& b- H* U. x/ Z* X# o, E9 _1 J. f8 K, T# [
set-plot-y-range 0.0 ymax
8 q' I5 R5 \; gend
2 C/ R1 }5 y* H- M; r8 b6 B# D
! @. u: [% v7 D8 hto setup-plot3
# d' l. [. O, H% h
$ f# e: ? m# cset-current-plot "Trends-of-credibility"
, L1 J$ i9 M: `6 @8 B
. H8 o. j, }2 U9 I* U( [) Nset-plot-x-range 0 xmax
: C8 V9 j8 b) s1 r/ U1 ]0 y6 {0 i; F" Q' M8 B. I9 u, e
set-plot-y-range 0.0 ymax# O* y! s, W* U) B
end
1 `. o2 z' w" R. e! y1 v! a, H0 l9 k- p6 c5 @' z: o& ]. I
to do-plots7 T! u( E7 V6 P. U' I! k3 g
set-current-plot "Trends-of-Local-reputation" t" ~6 n5 O. J: F, y2 t
set-current-plot-pen "Honest service"0 M! `5 i" l/ u1 _. O
end4 w1 q2 [0 ~- w( w- E, {. S
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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