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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 f- f; S, C1 y; l
globals[/ _6 o+ Y) c* B4 d
xmax
! p5 P% v, i' t6 d; W/ S _ymax
9 l* y9 C5 r1 {7 P8 k* tglobal-reputation-list
5 B: X2 [( E5 M' U5 G- L! U f9 X3 I# w9 U
9 n6 x3 q9 r% @;;每一个turtle的全局声誉都存在此LIST中" Z2 N1 g: j( _( d$ D. w5 h5 o
credibility-list
4 v! ]& M' D8 k;;每一个turtle的评价可信度1 W" Z! {9 j0 Z5 C- E
honest-service
1 H5 Y* p- ~6 M6 z; k zunhonest-service
( ?' Z0 z9 v- Boscillation% a* `; Q9 |, G8 N# o* v
rand-dynamic' ^& p3 C- E$ f/ m- J& |' P: [7 J
]
, c# G/ i1 p+ h8 | w2 H& X+ o4 n4 k' ] R+ w
turtles-own[
# Q5 J: x) g8 O I( ~* g6 Mtrade-record-all$ \# w J8 I' m: T8 n" s
;;a list of lists,由trade-record-one组成
: g2 ?8 {9 b7 N3 r, E1 dtrade-record-one" y( S9 _8 i B3 Y- Q- l
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
9 g3 Z4 D* e( t; h' w, b5 F1 }
# @# I; m8 A- t& h/ l. ? V) 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]]
- v: O; u" t% Htrade-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]5 @; m: R6 C% P+ @. F6 n; C ~. `: e; U* O- u
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
2 e$ ~: |4 o$ Sneighbor-total3 r7 ]* a( J" u) U" e% b
;;记录该turtle的邻居节点的数目2 r! ?) |+ R% d2 j2 Y3 d
trade-time* R' G( K; v+ P0 V
;;当前发生交易的turtle的交易时间; X6 N# S3 D( |" z& `7 J3 b
appraise-give7 M1 ^! H; B! a! `+ l
;;当前发生交易时给出的评价
2 L# f( O" ]8 s$ t. vappraise-receive
$ M4 S4 A! w; ~9 h;;当前发生交易时收到的评价
$ M b9 g: F- ^! v! M1 s+ _appraise-time; B1 }8 ?# ?- N; g4 S9 j
;;当前发生交易时的评价时间
7 }; l/ d# W) p! r# `% ?+ D7 g4 alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉. C: x. ~& @' q& ?! r& B
trade-times-total% Q, L! D' R. N: A
;;与当前turtle的交易总次数; j" l& a* [. m) s) y1 g2 C# A* i
trade-money-total
6 E) {! F( l& `- M3 w* @1 f8 t( o;;与当前turtle的交易总金额
! k& M, k r1 }- @local-reputation
7 t5 Z9 d& k0 P5 W8 H0 @( q6 nglobal-reputation
+ Y3 W) H8 \5 c0 l% M1 Hcredibility$ ?9 s- H, V) q8 T0 s* o0 X l
;;评价可信度,每次交易后都需要更新; ^( `$ g" `5 F Z1 y. x0 z1 T
credibility-all- ]$ p( A* T8 h% }
;;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4 p& ?& o! L# o) v
3 w2 V/ n. }. f2 l- \
;;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, m" ]5 ?$ b+ D
credibility-one$ a5 g: _( L; O) @; s9 x
;;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. c. P3 _& `: x1 B9 Y. q" \% v$ I: d
global-proportion, |! U9 T/ [! o9 L. f5 v8 S h" T
customer" h7 N/ z5 B5 @. S, s5 d
customer-no2 z7 J3 P2 e* W7 ~0 }$ Y
trust-ok
: H* d ?# [. Q1 Utrade-record-one-len;;trade-record-one的长度0 C1 |5 y0 f0 s
]
/ {7 r9 @; S5 l0 N0 p" T [, c# W" F4 f8 T. ?
;;setup procedure
8 L1 Y: N+ u" ~" |( w3 |3 m. c8 V( Z$ m% P- L
to setup/ o( a# H# A& r7 \+ C
+ z: v6 t9 }" T, y# f9 u
ca
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initialize-settings
6 B! n0 e: a1 |- C, ~/ a0 _
3 A0 p+ x( C1 [crt people [setup-turtles]
4 h+ c7 b/ Y& \. y6 f+ J
4 }, `. u$ a+ u0 _+ jreset-timer# ]3 h% _* _+ c
! p0 k/ a. v7 L5 Jpoll-class
% R" v1 s4 B6 R$ N/ @9 J4 u- K8 W S) r# N J9 r. ^
setup-plots
`. N5 P$ S( V: `7 \
/ r1 z3 B( x1 G& A7 |( q" Qdo-plots
% `) g" o9 k: O" X: ]4 Xend
; i- C% f, v7 L& n( q0 \) w6 K( N+ h. f' p0 m
to initialize-settings+ W8 L4 R* x- W5 s4 k( X* }
3 i! x1 F- }$ Y) ? i& _
set global-reputation-list []- z! a' Z! P( E1 s8 G3 \
. V' m- i1 l& z# G m' Z) P4 H
set credibility-list n-values people [0.5]# j5 {' p- R1 W3 |$ i
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set honest-service 0, m0 z7 [9 L# w& ?( P' c( q
, {( n; W8 [+ F6 Z! [set unhonest-service 0, k0 y0 b9 M. c$ m
2 D7 M* W9 V+ b+ j" qset oscillation 0
, j x; ^2 V9 ]% `. b
1 z! I9 s1 X1 _" s: A2 s* |set rand-dynamic 0
3 @; G1 f, h- r4 b1 v9 @/ send7 T! P9 g' Q( ]3 k! h
0 i9 M& k& `5 V3 ^) q' o6 oto setup-turtles 4 E: C% C P. f( L
set shape "person"! ~' l! Q C! \; E$ v* M
setxy random-xcor random-ycor
' N2 F7 {* X+ Qset trade-record-one [] e2 L6 x8 r( J" [' A' H3 f3 W; [
; \2 p5 F/ w, S$ o) w) ]
set trade-record-all n-values people [(list (? + 1) 0 0)] & D. x! E# [# [" A7 W' z4 R( m
, w8 c/ {$ k) C8 h8 d: Eset trade-record-current []( w" M- G+ k3 l: i6 `2 e
set credibility-receive []
% Z7 r: D! ?" D6 _6 Kset local-reputation 0.5
K4 y& O6 w9 ^5 ?6 ]" wset neighbor-total 0& B h: ]0 ]( ?- Q2 e7 W- W; m
set trade-times-total 0
; [* d" q( w6 y3 u- i, R: W; nset trade-money-total 0
1 E1 k/ a$ Y v2 u Dset customer nobody8 U7 P; m4 s3 K; F3 Y0 F
set credibility-all n-values people [creat-credibility]
T( [& C$ [' N4 Zset credibility n-values people [-1]9 k/ i4 j- v1 L8 `6 Q# a' V& u
get-color# Q, }$ [% U, s; t/ p( S
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end1 Q& w% O" I+ Y1 ?) j8 n0 w7 U
8 p2 m2 ]8 c' c9 B, _+ \' j
to-report creat-credibility/ G& L8 P1 O+ `3 j/ H; T. v
report n-values people [0.5]' v% ]3 o) x: T
end
( Z) `/ H; \; d5 O1 `
6 W; v& K* c3 k9 f" i' A9 H# U/ mto setup-plots- C6 {) J/ U. U
6 Y: M# }$ V* a9 G; H* K/ S) aset xmax 30
c! B* W$ O7 z( n8 i5 C: E6 K2 S. U
4 X: x1 F* ^! ]2 _) s* Yset ymax 1.0$ a: ?! y1 @9 C) f% ^1 |. U
, Z3 ?4 U6 j5 y/ l$ ?2 Tclear-all-plots8 P+ q0 Q" m" p
- g! {4 W) D: I4 A$ m! R0 H8 _setup-plot1
6 E2 G' F2 s; G h
8 z" T e6 J* u8 O9 J: Tsetup-plot28 m/ p: q/ R. L* M/ r0 x2 s- N
6 N1 d) v3 ]' _: s- u$ x7 g
setup-plot36 p! p" O! Q$ }7 e" v3 N2 |
end4 t2 M0 e8 ~* J9 y+ M
2 m; d) _ |( H: y- t( U2 l' V9 h
;;run time procedures- B$ t, n" P- h6 H* B
1 X/ b% X2 r7 M8 \: w4 fto go
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% Q" L0 ~$ F8 K. s8 O% t& j2 oask turtles [do-business]
; F8 L% Q- ^* W6 L3 K, ?end
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; ?& _3 @/ s4 m5 E0 Sto do-business
K$ U! Y5 ]. T' b- r3 s' y
5 B/ Y& k9 c/ [2 _ b' K& _+ L
rt random 360
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fd 1% \; M3 w- _( M! S E$ e
Z2 S2 y1 F- d0 h. S) I1 d/ Hifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself
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: e8 v8 E( V: i$ ?set [trade-record-one] of self item (([who] of customer) - 1)/ t. \/ T! h0 t* M* ]
[trade-record-all]of self
" X$ u, _% [3 x6 e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self' ~& i! _3 P' P$ J
, w( [# n2 V' i6 q0 hset [trade-record-one] of customer item (([who] of self) - 1)
& y( Z5 ^& W& z) a3 q% U" h8 {[trade-record-all]of customer
* S$ h5 [; D8 o; j* g* G0 _, R2 o7 R4 w% s/ E6 u! F5 @
set [trade-record-one-len] of self length [trade-record-one] of self
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6 X6 _% n7 C1 }5 g- Zset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
/ V9 f! x5 |, m4 a# z# O;;先求i对j的信任度
, J3 I/ u/ k3 C2 M. ]! u0 ]9 M6 u/ {) P& [* w( {# O& i! ]
if ([trust-ok] of self)) F. c* t. L$ [ l+ e; v1 N
;;根据i对j的信任度来决定是否与j进行交易[( m! t0 I7 ~4 h
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 `! q6 U7 v/ q% A4 C3 [) K
2 k! o. U0 y6 a! i) b" L9 A& ^[8 m5 k# c7 }, n/ K. z
/ [: ~) v- a4 N' v& R8 v* [
do-trade( _& W! L% ~" O' I$ P9 K8 @* m1 k
8 P0 T# J1 Z+ m+ wupdate-credibility-ijl
8 L- P; S/ R) ]& |2 t; V8 Y. g
# x, L/ X& L1 A, L. i- a" M# }update-credibility-list) y3 _; p4 S. L$ Q% k& r
* x: Q- E! ~% S, a( \) B1 Z1 N, `. c
update-global-reputation-list
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4 Z8 U! _+ K4 a+ d5 upoll-class
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7 l- m7 P. Z e7 P6 @get-color5 N! D C5 L: s6 ^: Z0 ~
& j" e& X) ?2 G( b
]]
. p6 K# X1 G9 E; I( S5 k$ j" E& q O4 C% p" _" p$ Z9 S
;;如果所得的信任度满足条件,则进行交易
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[9 e( q Z7 i0 `" }3 ]& g% C
/ j5 v: j2 y$ |0 H# r# prt random 3604 `& \8 J& i4 B3 Y8 E1 x& D, T
! d4 f: x0 w9 \fd 1' \' z) p% ^" W" O/ `, b
: b5 s9 q A: j" `: A% n* e0 t9 z]
# F% X! [7 s0 Z" {3 }
1 p( G+ N$ O2 v& H5 S7 X8 \6 Cend
0 r/ p# G) g( i3 I! }5 E4 H8 Y5 T+ M4 h2 V1 f/ p2 e9 n( a
to do-trust
0 H* f( a7 ?3 j9 S2 h) sset trust-ok False \; a8 ]' c' M2 R
}8 x8 d% ^3 R" y5 s) d% [$ f
) B. M% _) x3 m W& D$ L. {, ]7 Qlet max-trade-times 02 F' v" X( Q2 ~/ _% m# L
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) P8 C$ O% j$ h X# M( Jlet max-trade-money 0
. A0 \0 h% ^7 T8 [foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( K+ L c, Y! V( _5 B# N
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) a) f' V( p- q' W- q: J0 w- H' @- @3 T% c# v4 Z2 U* o
/ ]$ B6 I! V/ a" M
get-global-proportion& H9 Q3 b' l! @' I' e
let trust-value
5 E( _9 b. {! B2 L$ [- d7 o8 @: `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)7 d+ o) p" A( \; c6 X
if(trust-value > trade-trust-value)
; Y, c' p" x- E3 ?3 y2 w[set trust-ok true]
! f! g6 g. C b3 p& N8 P! C) p Lend
2 q- k/ [; K# B P2 C- g# Q, g1 q
to get-global-proportion+ j6 n6 L3 G0 P3 H' f
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& A4 {9 @8 p) d$ z/ }[set global-proportion 0]4 Y1 `% I f4 i- G% D* Q! W
[let i 0& q; I# ?5 Y* x/ s/ ^+ X6 n
let sum-money 09 w) W" s0 M/ D0 i2 x2 g7 W; U1 t
while[ i < people]
4 B i3 `6 h* p8 Q8 u' O[
. l9 Y8 |3 W3 |2 E1 D) dif( length (item i% j( z/ t, d3 b( E
[trade-record-all] of customer) > 3 )
# w+ n1 p; x1 A A$ b[
- P$ ^1 V" R; I4 j5 {+ @set sum-money (sum-money + item 2(item i [trade-record-all] of myself))' o# G+ g* Y6 V9 w3 C' R# k6 s
]; `% b7 \5 z' R B/ R/ k
]1 y* e* X* p8 U5 i+ n. Y' m
let j 0
# t+ R0 ~" O1 y6 zlet note 00 G# ^, f: _1 e; E4 D3 y
while[ j < people]8 r0 E) ~1 X$ Z6 z4 o. L5 `
[- {* }9 L& N' X# b
if( length (item i8 G+ }3 Z" ^- [" ~% X/ Z8 w6 A+ `
[trade-record-all] of customer) > 3 )
# o6 k1 V5 Y9 w+ N+ o- }" f8 t[
; }! B5 i, o$ W, U) H+ Gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 H0 b f, f7 {; ], ^+ {9 i[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ G. @8 q0 B9 y* |* o) l; ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) D' i. E6 K U T5 b" d]. o/ k( M& C" W) Z( P" t
]
, `( C+ R# ]) wset global-proportion note
) P0 c, v& A1 |7 R- ^; t]
: C0 C+ }7 ~0 x7 `3 ?! Uend
% g; n+ x( m- _" e
* Z0 s( h% M: y0 Lto do-trade
5 Y1 T; g( T% k' u4 a;;这个过程实际上是给双方作出评价的过程, L- E2 u! t8 ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& s# e @( ~" F; f) L* O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) k( P9 w: r& m# l: Y" M" j! w
set trade-record-current lput(timer) trade-record-current: c3 i3 y. B+ K2 w- B' a
;;评价时间0 O, d6 T* v( {: n" ~" r4 Z5 m( A
ask myself [
; n! }9 M5 G! ^. nupdate-local-reputation- A' V0 R0 s: t& ^( j/ z
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 K9 S- a; d9 J) m2 \+ l]
5 o% j8 a. r2 k/ A! |set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 ?' X$ a0 I- u. z;;将此次交易的记录加入到trade-record-one中
3 |: q( ^ r1 e Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
; e, n# e$ ]8 n2 E) W* Y& f3 slet note (item 2 trade-record-current )* ]- u0 X! ^7 `8 U# {, g. H3 t
set trade-record-current
; A% o: F- w7 w- z* l, i. j(replace-item 2 trade-record-current (item 3 trade-record-current))
( s4 Y) S# K2 ?" P/ U7 p+ bset trade-record-current
+ w( B+ N& u s! Y(replace-item 3 trade-record-current note)
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6 Z- ~$ q4 F% V( iask customer [( p8 ~. ?% H+ Y9 N
update-local-reputation: F, k) B" o/ z' o& y: K
set trade-record-current2 M5 O$ J+ c# D' ]" r: V
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 _; S6 C' X5 G$ t
]
1 P" L8 }" D: t' q" o+ C6 B# U' O. x6 ?% G3 P
" N; r6 M4 ?" I# c( O1 [set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 x+ c$ g, H. s# ~
9 X9 M7 x* b+ R0 p( hset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! x$ Y' z% V* U% ?$ Z;;将此次交易的记录加入到customer的trade-record-all中
" Q7 a9 b, q+ r+ T4 I# Dend
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to update-local-reputation$ B# p7 \) a N5 B& R& W4 C4 m
set [trade-record-one-len] of myself length [trade-record-one] of myself3 w2 I! B, Y K2 z
$ j/ m( {2 U$ _5 O* R
" e. u$ E* n9 p, D0 Q/ C0 O;;if [trade-record-one-len] of myself > 3
# r) z) c; F& p9 `- U( @2 D4 Yupdate-neighbor-total
; O0 k) I( B, t! Y;;更新邻居节点的数目,在此进行
* Q0 d, b9 w% l" b0 x8 Blet i 3
- v3 Q7 I4 H8 |5 J# [let sum-time 0
- ?6 Q" c; p9 j4 a6 v( L. U3 Xwhile[i < [trade-record-one-len] of myself]7 D. Y w: l& Q: H3 ^
[& u- N9 M! o: e3 _0 I) K: O+ y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' X9 S8 M9 V' f( ^0 I# m
set i
: ^2 j1 G& X9 ^5 F4 ^( i + 1)- H3 u/ r/ q' {5 _* d" Q3 o9 c
]
% `3 I( ]$ \- P: V- alet j 31 r) ~8 `' V, k# R1 z8 X( O! [! h
let sum-money 0/ H- b$ b% P+ o- |) u, Z( G3 [: p
while[j < [trade-record-one-len] of myself]
1 ~$ v' e# J: n' ?[
6 a6 ~7 B% V, N" \' {/ s kset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
: m+ M$ S* A( \' e3 nset j
7 b# u" Q" x+ A" A( j + 1)
$ g: B8 _# k! L* o/ S8 l; q J) I]/ p n# |; q1 U
let k 3
7 w$ I! t& @/ C+ f2 ^" `/ alet power 0) W. w0 f: m( z$ L& L) S, v
let local 0
( |: F. j: I5 e+ x/ w* E+ ewhile [k <[trade-record-one-len] of myself]1 f/ e' F$ c5 V* c0 {# M K
[
* j: l7 T& j0 g4 D( \+ Fset 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 c( p# w3 E9 p5 nset k (k + 1)
9 x8 ^# c# M# i& S* s) i]
, z! R" c) T* M* Eset [local-reputation] of myself (local)9 k! n- W: u" m' ^( n- U' Z9 g
end" o- O f' x; L5 s
! m% \4 n* [5 V, S9 a; jto update-neighbor-total0 L0 C4 D4 ]# i* B) m' a L1 }
~" t0 E% r. K& Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
7 ^" J; X* S7 h6 X9 `. q
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end
k. ~& }0 `, M [0 C- X- c( v- s% P$ ^9 }8 _3 D$ Y ^) }0 f
to update-credibility-ijl
. x' X- F, S- h: j- w; w
) g3 Z2 S8 z, V& N- R8 m* L! j3 k: v;;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。8 m' p2 x0 ?! k# m+ f. ]
let l 0
' m6 b' C3 x1 S7 I. a7 H" Swhile[ l < people ]
. @8 b) |5 C* P" q) C% o" s' j! 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
$ n! F5 G: e' S1 A, O$ X[. j2 p2 }6 e* u, L: |) O5 u0 h! k
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) z4 T9 ~; }2 t; O6 A
if (trade-record-one-j-l-len > 3)
2 n6 P% A# z) h& ^- x[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& ^% w! B( I5 s' b4 r& W* A
let i 3
+ g6 \0 _. O* _. p/ `let sum-time 0# D- f$ A3 j7 ]* h4 `
while[i < trade-record-one-len]* P: H6 e' R2 x5 g
[. C) i, A9 V/ D
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
2 W x7 b* b3 Z1 d9 @set i
* m+ K! [1 p- `! g2 e8 @ f9 K( i + 1)$ h# D+ m0 Z" a1 Z1 o. \" _
], Z G, b" [* `$ J0 }* H8 H; e. j
let credibility-i-j-l 03 e- k# C/ [2 u
;;i评价(j对jl的评价)! D, `+ z# ?$ c
let j 3
; t7 r% E1 _, o3 @$ U; Wlet k 4
K" c9 F5 J& y v% s: _5 Awhile[j < trade-record-one-len]
$ Y: J5 C! g# U" p9 B[! _% r, B! O0 h/ ]
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
$ v& I" P% u7 V' b4 h4 j! {' 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)
6 g7 k8 V! H+ g+ \6 N% |/ m3 q- _% Nset j
; ]& D- c# I9 r) i& l( j + 1)
" i% b9 ] n4 [; X) H% H" X]
+ u+ _! n" s( r2 ~" Jset [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 ))- J# s6 g1 D) Y: | H
* W, R0 c& Q% g
/ h, P7 P1 K( {9 D3 Xlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
{6 o' j' L2 n: [;;及时更新i对l的评价质量的评价
7 w0 t2 Q. G) I. Y. e: |! W7 r5 h2 vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 L- H+ }' C' N- S6 _set l (l + 1)5 ]' N. `) ]8 J* G3 d6 J
]9 \7 ~0 v% a! {3 u4 E5 b
end- I7 `5 \. c( d2 ~2 Z# H+ |
0 X4 ~) H" F/ I/ \4 h" z0 W
to update-credibility-list x9 j0 u+ l q: a( S+ W. A# |
let i 0& `8 E s/ H; x, }) O
while[i < people]- j# y+ X9 A5 C/ T
[; g7 i. T4 y5 g, Z. L; p% H3 t
let j 0
, @2 |( B/ P, V% p, L2 }7 ~let note 0
8 r( E' ^# a6 o* |7 glet k 0
4 G& A. L( _+ |' g8 D7 G: B;;计作出过评价的邻居节点的数目
$ U3 q, \- z( U( s0 hwhile[j < people]1 F, g( ^9 H. W. I1 C9 @4 ^- o* \
[
1 g5 \) ^+ z! Uif (item j( [credibility] of turtle (i + 1)) != -1)
# ^& J) O# E. Z: s3 e5 K3 ?;;判断是否给本turtle的评价质量做出过评价的节点
4 A! I% V! K& A# Q) {, d% O& W, h[set note (note + item j ([credibility]of turtle (i + 1)))7 l, p/ ^# i) Q9 c
;;*(exp (-(people - 2)))/(people - 2))]
3 M: w, @: J( l: L' L; E+ \! Uset k (k + 1)5 ]6 w! s; m# k: m+ L5 ~% s' y3 e
]
2 T7 ?# S% ]5 l, H, a" \set j (j + 1)+ N+ p' X/ |" T7 v$ ?% Q
]9 q0 i; T' e; U- F
set note (note *(exp (- (1 / k)))/ k)- x0 A+ f: F% @. B
set credibility-list (replace-item i credibility-list note)- u0 I" A S9 e1 l) n0 Z' |* ^ A
set i (i + 1)
. _, ]8 B2 z& W* f8 p& n3 _' r) l]6 s- p H* r" H. V5 [4 j& z
end
$ Y6 g8 J* O# |) r- ^# w1 M' J! Z1 [: n
to update-global-reputation-list
4 b6 j. \8 C5 R. |0 Alet j 0
2 f$ q# W" ~7 J% ?) Z* Vwhile[j < people]
9 z3 q! x; L( i, \) J. R[
7 l9 a" o `, t3 U$ }( C! e( Nlet new 0
2 O9 W, p" x1 Q& ]+ i9 e0 }. E;;暂存新的一个全局声誉. [3 l/ k( j( N/ X/ E$ V/ o+ \
let i 0
2 r' ^6 C& O$ k5 H9 n$ h8 C: ^let sum-money 0
5 y& _2 Q h! Clet credibility-money 0
# o# [+ e' ?; ~! d( B. h' m8 Z, nwhile [i < people]/ j& L& P U3 z7 ~$ d" C) V
[
# V# X; n% `3 J8 ^set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" g" q# i* a) I f9 Sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 A8 q( j, T v: R
set i (i + 1)
6 M; y8 @- e5 @* G6 ~% U W]
# f( d) {: \; t0 q$ a( jlet k 0. U. W$ H1 X7 r/ L; D- ]. H$ Y
let new1 0
9 n8 s- r& `$ j7 i7 O; Qwhile [k < people]* y' I, b S. b! S2 |. Z* _1 y
[" D2 L, G+ c$ {* v* j1 _/ {
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)
* k' ~' V/ X8 l/ tset k (k + 1)
, I$ Q7 s8 x2 _6 [( \7 v]' o* h9 n# g, d
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ _4 |3 C8 Q/ V+ G( i3 \set global-reputation-list (replace-item j global-reputation-list new)
l& Y, U& h6 M1 \set j (j + 1)
+ q3 w' U/ p/ g* w]8 n# a4 s {; j9 J
end
" Y# e# p; z$ b) B8 X" H; }6 T7 S! O) G
% j1 }' q. [9 y' f
$ S" _/ \; \2 r# |6 Eto get-color
# S6 A: p2 p$ B) g/ G4 ~* q3 s2 e0 A: S- c3 x6 j
set color blue
6 Z6 |3 Q( }. y _, `$ vend
# z/ S7 ^4 p( r& K" U# q
" M6 ]2 a/ ^+ Y5 [: \$ dto poll-class* M9 |7 f' F: o# m
end
3 p2 i- W1 R7 s; R! d" j, c; G3 F y8 J* S! W8 B
to setup-plot1
; x1 R, P2 ^7 [
: t D. y2 O! Iset-current-plot "Trends-of-Local-reputation"9 `* B0 K/ M& f
: Q; y$ `% Q0 L! l
set-plot-x-range 0 xmax
* L& a3 }, \# o" c
8 Q ]% {" h) G2 Tset-plot-y-range 0.0 ymax1 Z+ ?# u$ T" t, g
end% G" ?) X% O+ O0 R, X' H
3 `7 W6 l5 h6 f: J. J, J. M" ~to setup-plot2' d2 w, W }' Z! g; P7 T/ f& w( l( T
% w7 Z, D/ K: q* Q1 ^1 w
set-current-plot "Trends-of-global-reputation"
c5 ?% I: r/ k8 F _% T @
$ T2 W1 I6 y4 |4 o5 k8 T$ F5 Yset-plot-x-range 0 xmax m& ~5 S) i/ {8 M [
5 f5 P4 P, D4 a5 F/ [set-plot-y-range 0.0 ymax7 }. b9 a- N+ z% \0 F- W: m
end( u. l( i+ \9 { v4 c
/ Q+ M9 M* l3 P' j$ v. A) oto setup-plot3
# z% Q$ u- l0 O- _: i, n' G
- \ @3 z2 }& E) x. Z# S4 \set-current-plot "Trends-of-credibility"5 C# y# u" l* H: i( }& B3 |
8 o, E9 o; O# }2 T
set-plot-x-range 0 xmax
9 ]5 W/ t* {9 J5 P0 [
8 X) _: P% w, n6 _set-plot-y-range 0.0 ymax5 e1 e; k( m( m' \& C& \+ x ^, m. U
end5 q; @3 z. U- b, n; x. s
+ E4 b6 q$ \ e$ |2 g% Wto do-plots
* S* k6 A0 o$ C. O4 ]set-current-plot "Trends-of-Local-reputation"# b) F1 o6 D/ C- m$ }( ]
set-current-plot-pen "Honest service"! o2 p: a/ _! f7 E1 F) L
end
" [( P& d0 k$ X# j0 `+ M$ _ a! Y& T7 D2 V
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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