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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
8 k1 I& Q4 Q1 lglobals[7 N/ ?3 [ O, @6 e) j4 k
xmax9 j, P% ]+ ~$ J t& N8 S
ymax
9 d% @. d0 o% J; b: p9 zglobal-reputation-list
) z- k- \; c' x* w1 T
2 o8 i) c% h0 H9 n+ H;;每一个turtle的全局声誉都存在此LIST中
; r9 B1 e& t* O0 U, u% D. A' Z$ Xcredibility-list0 i) P5 Q+ q8 b$ ^, H
;;每一个turtle的评价可信度! G( |# i* P! t3 k6 \4 F/ }
honest-service# u# k9 A0 a( y
unhonest-service% ^- s/ F* t# L! \8 w
oscillation
# K/ _' N/ o8 m8 ?rand-dynamic: i8 L! ~2 Y: X9 a$ ^
]
9 h J% t+ L! k& l& Z0 w
5 h% s' r* ^9 A0 ^7 \turtles-own[
" V, w6 T- b1 `9 j$ W; ^# P# |trade-record-all
2 R& J( M5 K+ I& P" y9 x; G;;a list of lists,由trade-record-one组成+ h" g" a( C" `& `+ T X
trade-record-one
" Y! ^3 j$ z: |6 b& K;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# Q8 S$ u' n, U" v( k3 e: w, l$ n3 N( a' J& 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]]
- B: e1 C( h9 C* Q4 gtrade-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]% x* I7 q; B9 x" _* ^
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
& e& D& h1 W6 D' G/ c- qneighbor-total8 y7 \5 G% k% K2 ?: y
;;记录该turtle的邻居节点的数目: x; E! D, N$ n0 [# M+ m9 K& i7 s
trade-time
! i7 }8 L3 A5 ]7 O5 F6 o9 t6 v" v;;当前发生交易的turtle的交易时间+ L$ S$ e4 s4 V6 _6 e6 a
appraise-give
4 ^; q2 K1 _: j, o" _! b" N6 T7 a9 M;;当前发生交易时给出的评价 i' J/ b# ~/ Y- [) G( o) L9 I6 ~+ h
appraise-receive/ I N. K/ y1 d) A6 Z
;;当前发生交易时收到的评价
" J6 `* L* P1 F& Q; ? oappraise-time
2 w8 y' g9 a& q. X- R;;当前发生交易时的评价时间5 T- @, G3 A. P& }& E8 a
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ `. `/ f1 N7 }9 W! Q; m% strade-times-total
: Z% o: P/ W. ?4 G( L;;与当前turtle的交易总次数2 l( D8 j' {* \" D5 D+ s
trade-money-total
2 q& G* P. a/ M* s7 Q4 h;;与当前turtle的交易总金额
! k: s7 s# }* {! f1 ulocal-reputation* J# W+ Z0 q/ I. H0 A( ^% B/ q
global-reputation
' K; G! s1 h6 f1 E8 A/ J* xcredibility V; P5 G( a/ r; \! K: m; }" j
;;评价可信度,每次交易后都需要更新
2 F+ D& M6 h( c# Q3 B2 j- B2 c# Mcredibility-all5 Z! T' U0 T' ?0 m! u6 n. |
;;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
6 H0 ]6 W$ \% }' f+ |
: ]) l, g' P+ J# e$ z# U;;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 [+ J g- ^0 @0 h$ N3 n6 ?1 R9 Scredibility-one4 q& q. t+ K4 ]0 P; J4 I+ w
;;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
# l. `1 B2 u: Z5 z9 [7 Fglobal-proportion/ ?- h+ X' ^: p9 D% u, e
customer2 B+ Y' r+ G9 z$ ?' G' G
customer-no
& k' `* F$ X! @6 M# C& {8 I+ Ttrust-ok: T- c8 a+ v5 L
trade-record-one-len;;trade-record-one的长度4 D5 u+ y- W6 F% V8 K; I1 v# w$ [
]* e2 W( ]$ B' y* c* d" z/ n
8 Q5 I' x# Q4 H3 Z2 c
;;setup procedure
/ F& B( k! L# H6 {4 ]# c+ N/ ?: ?- w6 b1 _0 w
to setup2 [$ B6 `) z" X" P0 j9 Z2 q
( {( G9 L$ _; ~, Z$ ], k7 M( Dca& `; D2 Z2 ~ M! }* a2 j: b
/ N* [ S T. ?; `+ F
initialize-settings! c4 V+ t% q3 D* ~' i1 `8 V1 }
9 F2 `' H- |( }6 Q
crt people [setup-turtles]- a5 F. @9 N% {: D
# {% K8 e- ? ]; y" s t* d
reset-timer8 {6 `- m6 Q: y* d/ z
- R, f- R6 P% f2 X8 j1 {4 z, X
poll-class$ C- X- i3 H- I' k# h" k
$ P1 G- V( S% B8 u& V' z
setup-plots1 u/ D. S' x" z8 N) F/ b: \8 L
0 V& u: ?) I7 R8 P" X x& n3 jdo-plots& ^0 m& s- g! L$ X6 y
end W5 w5 ]) G+ d' J
* F2 m5 K9 ^8 H
to initialize-settings1 B0 `1 `' P$ P) p' ~3 {. `
$ q/ }) u1 \' t7 Dset global-reputation-list []) ]* X6 o1 \3 V% u8 j2 H- k
# e# R9 ]' ?: w; A9 X E- M; U
set credibility-list n-values people [0.5]
) i' k3 q& w% H3 o( y1 `2 x7 U* f v% [. k* s; M
set honest-service 0
/ V; y$ w& z( l! }6 v0 n5 S) Z( e' O6 M" h+ @" t
set unhonest-service 0
* S' |$ s* v( l3 y8 ~6 R1 A* p ?, A; X2 w
set oscillation 0
, t" ~8 r( |( G0 i
1 E* g# [3 S/ I+ Uset rand-dynamic 0
/ t; b( Y% L+ L/ a( j9 \end6 t' w4 {5 p( d) A( x: N
% C; N: H& h `0 |. D7 S
to setup-turtles ; |' I. {; ?8 X1 x5 I7 Z! e
set shape "person"
$ G5 o: C9 Z4 j; |+ _0 ?9 d7 Q1 a4 ^setxy random-xcor random-ycor! _1 n" a3 N! u! E
set trade-record-one []
- g+ d: ]1 I0 ~, C+ A) z6 c" n. s5 ~% W6 L9 R) W% _ D
set trade-record-all n-values people [(list (? + 1) 0 0)]
: `# e1 ?7 e# Z" g7 ?: }
4 `' m$ G' M6 e- G' sset trade-record-current []! M( m$ k* T @; n+ N3 Q- w% X" S
set credibility-receive []6 ~2 q; R. V4 I3 H* t* Z3 A( k% p( W( o4 ?
set local-reputation 0.5
# X; l. C% {1 u0 r* Z% o# pset neighbor-total 0
+ L2 d- y% c0 Aset trade-times-total 0/ ~% `6 P5 |7 {% v) I
set trade-money-total 04 i5 h1 f3 \) Q' x
set customer nobody
) U3 C) V) }( z vset credibility-all n-values people [creat-credibility]
. b3 J- y: n9 }set credibility n-values people [-1]6 M8 w3 n# \* B' {
get-color
! e- s6 W% ]( X+ J, L; J2 f2 u' Q# T6 G! V" }+ p- E
end
% B) A' E$ t( U, Y% D
7 g+ q; ]3 r) {- c$ n& |8 jto-report creat-credibility
& Q7 W7 s6 i6 f: N" Creport n-values people [0.5]5 W* S# _/ t- P8 `* ]' y
end! U) P9 y; z, s! y7 }
( d- m5 _) e! @7 N' T/ r& m0 [- oto setup-plots% O- B+ V% _& i) N# G! A1 O
1 }/ N* {7 L5 j6 L+ Y) Pset xmax 30( y& ^/ F) S. e. T1 ~4 X
9 z1 v# F" f) o H# n, o4 p
set ymax 1.0# d1 t9 d- k/ l& `5 C4 C% c J
- ?. \& x* l# v+ K6 w+ x7 Oclear-all-plots% Z Z( g0 S. S1 x- }
! K" d* O, u$ `$ Z+ esetup-plot1/ j9 Y. ^3 c; H) ^6 h* y/ b
, X3 K6 f: [) i3 R7 B. nsetup-plot2
- @& T h( v. h0 m/ G% I; x. U) L
setup-plot3) S* k% O: |' E. k0 J
end$ ~9 r: w, L) m% d) R, g
; T6 `7 h' K" d) o4 K8 P8 q;;run time procedures& x1 a9 i" F! ?6 a; t+ b
9 _2 P* }' }8 e0 g% m! @9 U8 _; X: Zto go
' k" @4 l4 U; I" k8 u# B( W. \ L2 D, B9 S4 [! p# W8 W6 c9 n0 s
ask turtles [do-business]
8 r1 a1 U$ c# Y- ]4 h7 pend- ~, X- f* ?' X* t
. t; Z2 l3 b6 f2 e/ y
to do-business
0 ^& U) L& Q& p, c5 K: A8 G' Q
' b n% J, J7 v. O# k9 I0 ?8 B1 w
rt random 360
b7 c1 G- b$ |7 d5 C" f( a
. M: y( n7 Y" E% t; e+ b) ~( P( F+ d1 h2 ofd 16 l% P. M! w6 O9 {
5 M5 } i# f$ m3 r4 ]
ifelse(other turtles-here != nobody)[
s; ` s' x v/ }/ R: [/ i# f& @. r4 E* O, [, o$ K
set customer one-of other turtles-here7 i9 U" D& Q9 X' g C* [
7 U* ?/ p! p. m
;; set [customer] of customer myself
6 d; s" w- W0 R& d0 b0 `+ M' ^( E( r9 A2 N" ?+ H8 h0 J: Q
set [trade-record-one] of self item (([who] of customer) - 1)
1 O8 Q& X0 r6 ~* P. S- z[trade-record-all]of self$ e3 X+ `; j0 N: K \
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) I G+ o$ V+ V) I! x7 U* G$ l3 q2 ]
) M# A9 R/ O! z" dset [trade-record-one] of customer item (([who] of self) - 1)/ W# m& m$ y( j5 C! b
[trade-record-all]of customer, X# v. f9 |5 u# I8 ]. g& K* p
Z5 h6 M; n) {9 N6 x m
set [trade-record-one-len] of self length [trade-record-one] of self
/ W( {2 I Z: O1 C) g* Z0 y1 {' r. N% G1 @! d: \5 _
set trade-record-current( list (timer) (random money-upper-limit))
. ]3 g7 C1 R& I& ^; Q$ _$ g. d
% l( F( m. ~ }+ nask self [do-trust]
5 D# F5 }6 s# y2 o;;先求i对j的信任度1 N3 h+ E8 m/ w; ^" p
" v( X% E) @5 Y# y) F( K: m; ]if ([trust-ok] of self)2 ^9 g* p! E8 |7 [
;;根据i对j的信任度来决定是否与j进行交易[
- m0 ~& Q9 K; d1 _8 R4 j# oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
5 J9 ?3 ~: Q$ B' s6 ~& G, _1 c4 `
, z J0 y. B, U0 _[5 `0 f9 @, ?: B: i4 t8 L7 T
h: p# ^% B7 h8 \; l: i0 l+ w( t
do-trade* e) w5 s4 z+ Q) W2 a0 p
5 [% Y- Q, v" R( h eupdate-credibility-ijl
' b4 q0 ?( S5 v# \/ i3 G( J w1 K: v7 \4 x
update-credibility-list
0 t: m+ A0 v Z" S/ `0 z
& }6 e0 F2 x4 P! H. z! l7 l5 o& Y( X
) `0 }) n7 b; G7 g) i4 c# W; bupdate-global-reputation-list
( n4 N% r5 l) ]! y! J7 D! u/ S0 w S# q7 @
poll-class
; b0 T" j1 S7 E3 P; F$ }; k2 ?5 x
get-color
+ K1 ~+ \/ V) t0 M0 x) s: ]
, w$ p$ Z6 v4 J. m% M: F1 W]]8 P+ }8 ]. M% u. }& a0 b
; b/ h; ~2 D8 T; d( m+ n( C8 ]* u
;;如果所得的信任度满足条件,则进行交易
q* C, ^, v0 f* z: ?
& V- f) e3 r; o, ~ ~# O! j[
7 x4 K5 u; v; N6 ~* n0 _; m
: T6 s' J/ ^& Q5 S. W9 nrt random 360
, d0 U' l: z+ E( E
% Y3 A& A: L. D* {2 {6 cfd 1
4 g7 h8 d/ Y: n, ?7 v
: c/ e/ `8 t$ Q3 f# e. k! S+ l- z]* B) u9 S6 M: o, P
/ [0 }& Z& W$ r0 r/ ]% z8 e
end9 `) Q1 M/ H$ H
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to do-trust 6 `. ?+ S- f9 s9 M& E; N
set trust-ok False
) h5 K% _# }7 c9 ]- a4 q; E
1 @, d1 O/ w0 [0 m
1 f1 @# {% W5 L$ Ilet max-trade-times 0
4 ]5 W% U' N) |- D ^3 j! Sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" e' f2 m3 R0 t; C: ]( tlet max-trade-money 03 [+ n- A( ]0 N5 d9 b8 y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ ^8 l5 I0 o. l0 Ilet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 i0 k/ S' E9 j. s: w) I5 O5 V- f) D% @/ G9 l5 ~+ g
6 L+ ?" R( C5 D# L l' wget-global-proportion7 p, Y3 Q9 J, e# K
let trust-value
7 _" T' v9 D: z7 A9 `, Jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
3 k* {: C' I) `3 K+ m( v: G3 V Z8 E) ]if(trust-value > trade-trust-value) |6 K1 Q- z. U O* |$ J0 z4 v
[set trust-ok true]
7 J1 G/ ]8 [0 c# k K3 p& [" wend
2 L) m f5 h2 D6 K
' W) C7 U( R3 }8 y0 ato get-global-proportion
$ k" X5 n$ \8 n+ C0 P' k' \ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ {3 }1 O" ?, m6 R* a/ N$ w
[set global-proportion 0]
2 R( P9 B: `! N7 W8 Z[let i 0, Z* ?% ?# [" N5 ?0 V7 A* O3 [! o5 e, g
let sum-money 0
& i, G9 ~! w2 N2 b8 o2 ewhile[ i < people]* e+ M& C4 E. n! i! c3 A1 h6 d$ r
[
' i! p. a" k! ]% B' u6 ~( Wif( length (item i
" k3 P& l* D w6 N" G7 g# J: h) R- \[trade-record-all] of customer) > 3 )5 {9 a9 P- ?" j: [: j/ ^
[" B3 Z0 @2 n# z5 x: m
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& U j1 M6 {) u- J. x; g7 l2 U
]
! l) P3 W. h* O]' J! t l3 }& E
let j 0" t& e5 w, F; }! G# m& q3 S, R; d" _
let note 0
t3 | a$ y/ }! k1 P) E- Lwhile[ j < people]' Q. z: }/ ?% @, W0 S4 y E
[$ B ^! ^: B- f5 y" p
if( length (item i
: v( r& L4 L* G- C* t: I[trade-record-all] of customer) > 3 )
; H' L0 E/ Z5 q# }9 a[
; h# F+ S% c1 Q4 e# b) T. K/ ?# xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). K% B5 j: ]1 S8 F, w: p) b
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 j6 a0 X( _* x/ W9 z0 r6 H
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* o! a1 e! i! ^/ W! x' }- ^! _& W+ w
]* d! v! l- \4 U5 Y
]
( r# |6 d0 h# r, Bset global-proportion note
. ~5 ]! e E, z6 j& e' W9 u]% L( u5 L& k u. v
end
5 t6 o, O, ?* r. P9 Y$ d7 W5 |: ]* V: r7 e- l% c& ]+ O
to do-trade* s2 u/ P1 U' n/ m% }! ?
;;这个过程实际上是给双方作出评价的过程$ G1 E9 Z! T. V) g( k. R5 k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: i' c9 \! H0 ~9 Hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 q- ?* O8 U$ d+ U0 ]8 fset trade-record-current lput(timer) trade-record-current2 T5 k, \! ~) P' U
;;评价时间. G$ P( X6 H! c0 ]1 h/ s# I1 R% ~
ask myself [
8 ~( j3 S8 ]6 g& B6 gupdate-local-reputation
+ I% x9 F- K1 T$ V4 V( A; Z. g8 ~set trade-record-current lput([local-reputation] of myself) trade-record-current8 F o5 z, _% z" g' J
]
- t! D [7 E/ T. vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 v4 _8 m" }$ i( v;;将此次交易的记录加入到trade-record-one中3 i0 R+ M, Y+ R. p
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ ?$ F0 z( e3 [9 U3 {( A! f @let note (item 2 trade-record-current )
- P u& w* v( r! |1 \set trade-record-current
+ U8 n4 G! W6 I1 `! B# e* r(replace-item 2 trade-record-current (item 3 trade-record-current))
2 w) X5 S, N& O9 Lset trade-record-current
3 J" r2 a7 S) y$ r+ s(replace-item 3 trade-record-current note)
5 b; i' c1 K( c& j( w7 ?% C4 v& }9 Y$ \! ~- x! X
, M8 q9 m% |6 m7 [ask customer [1 Y4 C& l" t* b3 s: L2 Y5 Q( U
update-local-reputation3 `- \- K4 [' ^+ ^
set trade-record-current& K- v. a, p. k' \9 m" v
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 q0 e8 C8 b ^. k: h]* M7 f/ Z; ^0 x, |
; Z% L' ]4 f3 ^+ ~. }& k6 P
4 ?0 B6 [; l7 X6 ~2 V9 v4 Wset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 e# M8 m3 z; U2 ?5 L
8 m6 [$ v- h8 p- ^0 wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 G0 S$ J. o2 D. ]
;;将此次交易的记录加入到customer的trade-record-all中: h0 A* [4 E; ~6 Q3 I7 N2 B
end
! k% H3 t; |# z2 z
8 u, p# o* [: A- T. Z4 B3 ?to update-local-reputation8 M e/ A" {: F
set [trade-record-one-len] of myself length [trade-record-one] of myself
' K, h% b t( f. F e& @% Z& b) u8 U5 u) x% h$ L8 ^
5 s- C9 K" t% `7 v2 b8 H;;if [trade-record-one-len] of myself > 3 4 o' p- e6 a! i+ c+ B# s
update-neighbor-total
7 g8 p7 x7 D1 o" n;;更新邻居节点的数目,在此进行1 F3 y; Q% l) j
let i 3
3 Q7 I4 a1 p# Blet sum-time 0
9 Z: Y/ O9 G6 [" |6 I2 rwhile[i < [trade-record-one-len] of myself]
( g, B# q. |: U# a$ g[+ W) b o# P5 H+ [! }% m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 B% }7 Z6 K2 f1 q
set i
" c) B, R* Q, w# Z$ E( i + 1)
e- u. G* ?& G' Y- L5 W]
5 u, R2 S0 N3 L% wlet j 3
- Q8 f4 z& A1 o9 [, M1 Olet sum-money 0$ c' O& _0 K0 b6 N) j
while[j < [trade-record-one-len] of myself]9 s( ]* ]6 z- u$ u# o; Y* y
[
/ C3 J4 m( w l- l' a- rset 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) d+ c2 f: a- P' Z& X
set j, |2 y0 G, r" `9 F& w% w+ j" N
( j + 1)0 A8 @% L# a1 Q2 y& n9 D* z
]
: G# W# d( F! a6 Rlet k 3
$ a. q" o# u$ W: w" r" Qlet power 0. i9 @9 e5 u$ |2 ?3 Y
let local 0
7 ^8 j( A1 J, i+ i4 Jwhile [k <[trade-record-one-len] of myself]
1 S3 o' l7 X: R) [4 {[
2 O: d- U$ P5 N6 jset 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)
4 K. Y4 t: g' N6 L$ D9 \0 Iset k (k + 1)) A o4 v* I2 B* H4 o d4 h& o
]
* q% S: z: m* ^! Dset [local-reputation] of myself (local)8 z( A5 M0 @# m( }) o
end- X J% g0 }8 v h8 Z4 ~; q- m' }
% A# _: |. k& X, X1 F
to update-neighbor-total
# |! m h; g/ d# \8 o2 p4 a; M/ m. O: u4 B" A$ J' {7 w+ \
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! \) t8 o$ c: J) ~& p) o9 C4 ?
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& W1 I+ F; U: z9 m2 p8 e, O6 Wend+ q" @- k T) N; f' e+ H5 o
5 e7 p1 }- H7 ?! cto update-credibility-ijl ! a* ^: `; c Y2 l: F+ E2 ?
+ I6 r* J! E8 V1 S& }! W- p5 c) W* x' u;;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。! [; l& t; v8 x( A
let l 09 @+ ^1 b. o9 _4 T
while[ l < people ]
, t# s+ B! u0 N' c8 ?;;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0 ^! j7 I. w- P I3 G
[- a7 T5 q; \0 e4 u
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
h3 _- Q) B2 e( `if (trade-record-one-j-l-len > 3)8 v1 R8 ^& o7 c8 a/ I' I- L
[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
+ |- q" y+ i! v% p( h% rlet i 3; v$ p! o" A+ E4 Y# p8 F) X$ r0 k
let sum-time 0
( @8 `9 H* C1 Awhile[i < trade-record-one-len]
& P" u* i; o8 s7 T) ][
, T/ g- _: ?% }4 |8 @+ g# e( sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 r. k$ S( ^; a( c1 i' E; M
set i3 X5 E- F% o1 ?0 I# B
( i + 1)
9 ? s7 Z9 k. V) C) T3 o+ @]
* S8 S1 }* ?+ S. c8 `* A3 f" f7 hlet credibility-i-j-l 0
) S2 C, u/ n& m;;i评价(j对jl的评价)
# g' K% Y# O2 ?' ]+ Ylet j 3
" g& W. c: [+ q! H3 E" g, }, dlet k 4
& O( s# z ~; E+ P8 s cwhile[j < trade-record-one-len]2 h; _5 L& b* \) z( ^, K$ b
[4 |! ~4 E7 N! H, y B
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
3 G, ^, ~5 }! p, u/ m4 \: Fset 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)! g$ j9 C5 [3 B/ \
set j: l" }8 ]9 J" C. @: w
( j + 1)
9 C) s9 r) R P4 M: x, j]
( L/ u5 O. @2 d* }3 yset [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 ))
* i5 |3 L i3 l& I' ]: p3 R( R- H) f. b/ k- o
$ a; D: d4 C: j e) P2 C- D4 j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): P: u! k9 S& k. I
;;及时更新i对l的评价质量的评价
+ @4 k8 ~. P4 h- g/ Q e4 Aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
" I- a5 _5 J/ M. j6 R& x) ^5 Bset l (l + 1)$ k2 P& W+ h2 L' e& y+ ]! V
]
5 e8 e- Z/ U4 ^: Qend
& N3 w/ U& L: A% G
$ {1 f! u5 T1 I" t" F0 G+ u; B8 Yto update-credibility-list7 w- A: Q7 ^( r2 K% }7 n
let i 05 @% r" t$ Q6 K1 X# K
while[i < people]
: W: L) p* ^- E) X/ t. j2 X[
! D0 K; ~ R( plet j 0% c7 L @" u; L3 g
let note 0
3 P& }7 t) a; U- g7 z+ l p5 glet k 06 }5 Y* B4 g9 k7 }% H% ?
;;计作出过评价的邻居节点的数目 r% ^2 M6 y1 S$ l; a7 G) K
while[j < people]0 }- w: A) A3 |# K9 L
[
1 {# a/ w' C# _5 K7 L2 fif (item j( [credibility] of turtle (i + 1)) != -1)
, W0 S% t0 u/ h7 d;;判断是否给本turtle的评价质量做出过评价的节点6 n) Y+ @5 B' ~% P' I% k& I: L
[set note (note + item j ([credibility]of turtle (i + 1)))
& f0 M [0 ~; `" k8 `5 i* v4 G( A: n4 N;;*(exp (-(people - 2)))/(people - 2))]
! E% ^$ T3 I: H$ D, Dset k (k + 1)
1 L" g: r! i4 ~/ z6 u0 \# j]
# t" r7 Z) n* q: V- J& Pset j (j + 1)1 A2 _2 o$ I r o
]# Z2 l1 n: Q# d- P4 @, j1 l
set note (note *(exp (- (1 / k)))/ k)
. n) g- o7 g6 j- Sset credibility-list (replace-item i credibility-list note)
- W* k5 ^& N5 x- e3 \+ P# Aset i (i + 1)6 Q6 B$ w5 n9 o, V6 F% F
]
. u8 P0 f8 S) h3 U4 f K, R, bend
; ]0 y4 ~' k( M. s. P) O2 u: P i5 x$ d v: U1 M
to update-global-reputation-list4 @* b5 Q5 _3 o
let j 0
' B# H% @5 g! t- F- ?while[j < people]; Z6 k* m6 T$ r8 Y+ U. ^0 V
[
8 ?/ N; l6 \4 ^4 h+ ylet new 0
7 n! s( ]; P: k: Y;;暂存新的一个全局声誉0 Y! S U( x5 R! a: V7 u% P! @5 a
let i 0* p8 y; B4 H7 C+ l4 _0 T" f
let sum-money 0
3 o- R& ?' @+ v8 n) \/ jlet credibility-money 08 j3 X. t: F8 e( ]
while [i < people]2 D5 r" W1 o S7 j
[
& r* m( ?/ y0 F1 U0 zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
/ l& r; P, h6 E1 _set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). P5 ]7 l- |) g
set i (i + 1)! g; o- c) \) g1 v; a/ p
]( ~5 Q8 Y+ t0 w: c
let k 0
- h6 l3 ]$ b8 |+ T7 R2 T8 y. hlet new1 0' h, _7 ~" n9 h
while [k < people]+ `6 J" E5 ]3 n' ^9 X+ x( X5 P
[
v& t5 H: {; D7 t1 G- dset 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 {5 G7 @) Lset k (k + 1)
4 g, j2 e# f! H# d, a: N: G]
0 ^( o- S. W9 _ U% mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & ?. q4 m2 g- F* P2 A' B
set global-reputation-list (replace-item j global-reputation-list new)
g3 O% g. R: V# p0 oset j (j + 1)
" S, x+ B1 t$ F2 V] s) M/ F8 D$ g& }9 q! F4 ~
end6 c& g$ J5 M0 E' Z
t. t1 I/ J3 }$ ~, j' |" S( g
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to get-color
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set color blue
2 X! j' s: h5 M* ?# P% h8 B3 Qend$ r1 H7 Y+ O* `. K9 ?
6 G- q V8 B7 x7 R5 U2 y- `to poll-class
! r- V+ D4 {" s- uend, M3 H& J v& k( S( v
# @7 }+ C& s4 ]- Q# R% [
to setup-plot1
0 l4 c- O( V. F8 W6 \. W. |5 v1 A( S, G, F4 v4 b
set-current-plot "Trends-of-Local-reputation"" X0 m0 m" c1 m3 p6 q
1 }/ \8 C7 a6 {
set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax9 I, N! O5 k& k( M! i6 {& C3 d
end
3 V- z0 `# @) U8 d# M
2 u) c! v9 P, {* Lto setup-plot2
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D! d* F! j2 A4 b7 t6 [: mset-current-plot "Trends-of-global-reputation"
; m6 b+ S9 Q7 v9 U3 q3 T; V7 z, y+ ]5 e1 E+ n
set-plot-x-range 0 xmax
: p& c6 j8 l- t& d* M
! p( L4 @8 m' Iset-plot-y-range 0.0 ymax
. t @! ]: F1 E9 m" _* wend6 R1 q# I& M2 _* k8 j0 p# _0 v ~ ^
3 F: B- S. E. c$ p; p% ato setup-plot3
3 I- {3 @: H; t2 P, Z! ]' G; i" T! x/ t2 T
set-current-plot "Trends-of-credibility"+ I, h( S& |. |5 x1 U
- F' }; k4 M, j2 Y0 ^; ?8 X+ E
set-plot-x-range 0 xmax! s8 I, ] X2 C
Q. C$ Q7 u: P$ n8 r, p. Y
set-plot-y-range 0.0 ymax
O3 ]+ |9 z# P/ vend
% F* V' M9 k; U1 \; T% D& k- H$ U& P! s9 t1 W6 f8 b2 ^
to do-plots
- I4 G6 a3 J- P9 J( {* |set-current-plot "Trends-of-Local-reputation"
$ H+ G" V0 E' L+ R/ M' tset-current-plot-pen "Honest service"
, {9 T7 q2 J: D( v. Qend3 K. o" V3 m! M; }9 R! q# K6 d* w
5 k7 Q- j8 c$ g) M[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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