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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+ j1 c; S1 m' g/ c; D% J; u, l
globals[$ `4 C5 N9 U4 }& Y
xmax
. x9 Q, m& `2 s: h, N! s6 oymax
5 E( G5 }7 a- u9 b5 \$ _global-reputation-list
7 B9 e/ J7 A$ Z: `% @% E/ ~( M6 v0 i* ~
;;每一个turtle的全局声誉都存在此LIST中5 y' l0 ` P& a
credibility-list0 h; h& S* L2 h3 s7 a
;;每一个turtle的评价可信度" M* l% `8 ]2 @4 I8 L; E( h" F
honest-service
; q! b1 g$ C$ V; P: I% W, @unhonest-service
7 ~4 E* @6 G. P7 v. k2 r9 i- yoscillation
4 o7 E% I4 M% ~/ M5 n" V" nrand-dynamic- G; Q6 h) ]2 ^8 q4 e( V
]$ E5 L! d C5 m' e" q
4 n' w) }: u3 n' {* T8 p f
turtles-own[
. {1 U* t8 `2 e% `1 ^3 Ztrade-record-all
9 o- h/ q0 A, r% U" W;;a list of lists,由trade-record-one组成9 J3 L3 {8 B4 y8 ~4 y- I
trade-record-one
2 t) | ]- v. Y3 j$ g7 `# |;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- z" Q/ i2 o4 t \; m( C8 s/ q6 Y5 U4 t2 d7 W% }
;;[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]]
+ K4 X! l P) F( otrade-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]
% r- B) {( y& |, m( z7 G; dcredibility-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list0 Y1 B- U t7 m( v9 U
neighbor-total
; _% a4 J' @" n" B7 q+ b* Z, A;;记录该turtle的邻居节点的数目
: v0 l2 t( e' u, M7 y" Etrade-time
; l" U' x) J& h+ `& K7 T. v;;当前发生交易的turtle的交易时间; \4 V o* |2 Z; W
appraise-give- ]3 M7 x( c: x0 ]8 d" e l* `2 q
;;当前发生交易时给出的评价
0 }7 J+ v: U/ ]. tappraise-receive3 R, e! c, `& A4 C+ [5 ~
;;当前发生交易时收到的评价
& J% q9 ^3 @) E$ bappraise-time
0 W2 {4 |, `( Z' e- e* y;;当前发生交易时的评价时间) `9 E# [" g7 k# T- T
local-reputation-now;;此次交易后相对于对方turtle的局部声誉9 A8 k( {' d6 |
trade-times-total
7 n9 |4 H' p8 R! B6 I;;与当前turtle的交易总次数
. s- O0 r2 H: Q3 Etrade-money-total" i% c. A3 e, ^
;;与当前turtle的交易总金额
* }8 i; s( w+ _9 F! vlocal-reputation$ {5 _! S; k, A4 g- X
global-reputation% D. V, W% I- D
credibility
2 A3 W9 e1 g! A;;评价可信度,每次交易后都需要更新
; @- ^. H9 o, m4 y* Ncredibility-all) o; ~3 b, t& M" o, j0 D
;;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+ k5 K0 Q3 d" k0 V. ]6 y
8 `7 v( @* t. N3 y, Q2 U5 j;;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) M$ c, i1 d
credibility-one0 q* G& I+ ?7 ?
;;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
2 Q) {% f' A* I+ Vglobal-proportion- o4 ?4 b" n- l# W& b0 z; p
customer: K0 U, S7 `3 M% D
customer-no
5 S9 M2 ]# i/ p L1 t* Gtrust-ok
( g6 |. n5 }* T" U0 O1 u! ^& _trade-record-one-len;;trade-record-one的长度
, |# X! L: B% _* g5 |' K. a2 ~]0 y0 t7 N% d2 _" X
3 J [2 e$ ]1 w6 i0 D3 v; l;;setup procedure
, W+ o- A) ?: y
+ _5 F7 }/ x4 G; s2 \to setup) M: a i1 b) i
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initialize-settings
+ B1 d8 {3 H8 b- \4 s7 P- @% v; m9 Q: ?4 I( \+ I, n4 x% n
crt people [setup-turtles]: v" l- s H5 k
; H2 [8 t0 B7 _1 k9 R$ O; mreset-timer
: P# B* y" @% t. b6 F7 n. }" b+ O
: ?( P& J* f: `, Zpoll-class6 R' J$ b: M C- p
8 R8 V6 d4 r7 _3 C. Q( Osetup-plots
- N) F+ }6 ^+ S- W3 E, Y7 q. Z6 ~
3 \) I$ x2 u/ I+ j: |' Ado-plots
0 f7 u) `3 Q+ `7 iend1 v+ Y0 p d3 m
. S. `! x- ?' }to initialize-settings9 A& g' I5 V" Z3 V9 X( v5 I
$ a/ \' j* [2 t' T: F3 Y
set global-reputation-list []
9 N/ o" X! ^. ~. k) `* V' A: f z5 @0 w- K. B4 x; J
set credibility-list n-values people [0.5]
: Z( @; t0 ?4 J5 @" V
; H( B4 Z, }9 Q3 Nset honest-service 0
$ C0 _4 |4 A9 f, [& E3 ?% ]
6 m" |/ U2 l1 J: W5 `8 P# sset unhonest-service 0
9 E. W8 P O' O G2 V' b+ ~% A- ]# a& H/ W4 L. s
set oscillation 08 I$ x4 S) O6 S/ h t8 ?4 b9 _
! D' A- j+ W5 g* R! R. e" eset rand-dynamic 0
/ U; G" \7 o; c! w3 Xend
5 x* I/ F7 \: a1 }" |
2 {4 X- y5 I6 `% ito setup-turtles 0 V# b/ k) ]" y: F$ f5 i% u
set shape "person"5 _& w) d: V% J4 ?3 Q
setxy random-xcor random-ycor, {# @# u0 q; M6 Y6 r: L" d1 @% G
set trade-record-one []0 N$ L+ M }* X+ H$ m1 \
8 c0 a! w! v* ^8 G9 R% q* dset trade-record-all n-values people [(list (? + 1) 0 0)]
, {: W) L, P5 t8 r" [; P8 Z6 z* y4 ~5 Q- v$ d& s3 Z5 ~
set trade-record-current []
' ?/ V& v `# \1 l5 Pset credibility-receive []( v2 U4 G7 [7 [% y# x+ Z, b- @
set local-reputation 0.5
. i# g! Z. m9 _/ [* aset neighbor-total 0
; v, Q5 d t+ Q: F: {/ Z# Cset trade-times-total 0
" ]4 f$ J; T- ^* ]( w, aset trade-money-total 07 e: ~& L: O% ?3 v9 i
set customer nobody5 Z A% c; r1 {. g" C
set credibility-all n-values people [creat-credibility]! B3 p+ J: l, N7 F5 c
set credibility n-values people [-1]
l. r- p( r6 }6 d5 z; i1 s% L( Fget-color6 k, u6 r: z( z; p3 ]: Q6 U
0 \* }( D( a c* z: J6 @8 p& |7 p- q
end" n; P2 m+ `4 Z9 A
% P" U; D. W# x8 K" X- ]! [' bto-report creat-credibility5 W3 g( a: e9 I- c! ?1 R- a8 G( W
report n-values people [0.5]
2 e& b7 l) I* v/ A0 Eend' |. @# B+ O1 E; x: n
) v) D1 }# {$ [5 E: L( S, y \to setup-plots2 F0 h' R+ C) F- p+ ?" N$ u
$ s. F$ C: Z) F& j& r) h
set xmax 30+ g( R" B% _1 ?% Z# N
6 x" H# E" f. t5 Y2 ?) D }; I
set ymax 1.0
, H7 j/ b& F& M( g& i* z8 v. a+ J2 T y* [
clear-all-plots" f6 N5 Z. W% v8 V# l
! X* a. ?5 b7 bsetup-plot1 i+ T1 _; g7 h1 m: N: C) {
7 p5 N b8 a/ e7 x; S3 a
setup-plot2
/ `. n7 U# ?3 H0 D' G/ Q
2 e0 B) S" r2 A) a5 T' ]setup-plot32 S6 d: A9 V% T: |, M( \2 r
end
- V+ `% s: h4 o
: d: {" l' r. E: B3 `;;run time procedures
8 R( _- t: g$ [* d: k$ G# V
4 {8 A/ l0 ^- q. z3 Dto go8 ^$ Q+ r8 L2 _
: L2 y" d b& W' `9 a% t# y$ Yask turtles [do-business]+ z& b! ~# p1 u8 Y% ~
end
$ d4 u: N" ` b$ A/ @4 G* x6 b, t8 A1 e
to do-business
2 S) x2 D( _& v1 v2 e" a
) ~7 k3 K; x$ N$ ?/ }
6 ]+ J i* t( s; Irt random 3609 ~9 Q( p) _, f, ?6 S$ b& W
7 k( ` Y3 t/ x: W- B% k7 t
fd 1$ s7 t( Z6 b! p4 y% `3 E
& W& V: o5 @0 Y* `4 @ifelse(other turtles-here != nobody)[0 r% D6 \" _7 B" i+ T i$ C% m" ^
" p( z8 e" P7 D+ ^set customer one-of other turtles-here
% P1 e/ c; \9 V* I' i
6 ~3 g1 Y, i7 Q/ ]% O6 q1 N3 O;; set [customer] of customer myself4 P, h7 T0 V$ w k0 o
5 c3 G0 V6 P0 B8 ~# ]0 T" I; ]set [trade-record-one] of self item (([who] of customer) - 1), c/ _4 b) `: \2 u% P
[trade-record-all]of self
; b) }& k- G! [;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
8 D/ f u& `+ A8 o; i5 Z5 A, w' u! |0 A
set [trade-record-one] of customer item (([who] of self) - 1)
. W- g4 M$ N1 B+ {) S! ][trade-record-all]of customer
# { o$ m9 x5 c; {# ]9 @* h
3 Y, C. i- F ]set [trade-record-one-len] of self length [trade-record-one] of self( b+ E# F! D' i4 A
/ v5 ^0 O- m# G5 O) |
set trade-record-current( list (timer) (random money-upper-limit)): U6 i$ [5 X ^$ F- V7 ?; ]
* I; x* ~3 @/ t) o4 V `ask self [do-trust]
& c, t' K+ E! \, _ k6 U;;先求i对j的信任度+ z, c: H$ x0 w. C4 c
* D( D) P0 u! |7 |if ([trust-ok] of self)
8 n5 E' v3 k, c+ I4 };;根据i对j的信任度来决定是否与j进行交易[0 u1 i: K6 [$ A; I6 }2 w, i
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
6 r5 p0 E( q- {; \* q b2 t7 E c s' \; q K
do-trade5 {* L: r0 v0 ^5 `- d4 ?7 ], c
' Z! x& G7 s! _4 D8 ^: s
update-credibility-ijl( Q: l s3 h8 e$ z+ e& a& G' o2 W0 [
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update-credibility-list
8 B; a8 ~' ?0 k, K/ d( z3 S1 h, A' V# o3 W8 u: U
3 j: [, {) M ~- C6 Fupdate-global-reputation-list+ p7 v4 @5 ^. R) d% Y$ h a
4 f" e& l& n* }9 Wpoll-class% H: L3 O: n5 k0 [ H
* C4 O5 j p9 w
get-color
2 l: ?" \2 k5 R5 A$ S
h+ M a' `/ ]& }) G% }]]
& v+ }: ?3 J. q
0 t6 Z n. `* H' l- m6 s$ z& Y;;如果所得的信任度满足条件,则进行交易/ j- K1 j( A$ u7 w7 D5 H
, T3 ^6 V( M2 d2 L3 g[* Z# T& b3 \; [! h B; }
: q: z9 ~8 ~$ `! B1 j% A6 `rt random 3603 ~2 O, `9 g( ~/ Q3 n
6 D6 ~: [ W5 }/ k! Gfd 1" ?# U( p+ q5 e( E
) r/ Z" f) M4 [; M# _]
9 d4 ^& t& R) u' E$ N2 U3 S
1 B! f- N8 h; w4 [) }end
6 Q ~+ a8 ]; }. m, ]- P
# k( V' Y. d8 R. h2 y% ]to do-trust 3 A# E! R0 x9 `% \- W8 e8 \( R
set trust-ok False
1 T( {1 B+ [) {# z }, E
" B% Y) u6 m( e/ e9 r; I
+ X; k5 G0 W1 J& _let max-trade-times 0
" e- ^9 R" y& V$ a$ P& kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ u8 o( X- @0 v. N* B0 ^
let max-trade-money 0
, C) t7 J$ t) S8 j7 t% G# ^foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( \6 _: S, }% d- K) [( L8 ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
$ T a, Y# ?, W9 Z- u/ V$ y
* a+ I" T- V- w
* C- q5 }. U+ T2 r. K0 F$ bget-global-proportion' `# @& Z C/ l7 O9 I
let trust-value6 c9 h& o+ N8 |7 |' O
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)
( h/ m; R* N- y2 C4 Sif(trust-value > trade-trust-value)
+ y" u, H$ X3 I& k8 f7 L& K3 H[set trust-ok true]
; @/ t9 l7 t9 E% d- y5 Fend& M2 E& Y2 W# ]) Y! Y, P* O
* q0 i& o# m1 Ato get-global-proportion
3 j, _7 d( Q3 t3 q" f5 nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
$ Z) t% `; I5 p+ l1 H. q[set global-proportion 0]& ]. b; e$ [2 S8 U- W7 l
[let i 0
* f7 f. R L3 i$ {* g7 M" }/ Zlet sum-money 0- E6 Q7 ~( @, J E
while[ i < people]
9 S1 i( {& k4 z @+ ^[9 j5 L* c3 B3 x$ e0 `3 U" p
if( length (item i
9 V+ S j( f0 w' F; R/ N" o) r[trade-record-all] of customer) > 3 )$ X! J# E. V# e$ a* X
[% B( N( t, K: F) R) D4 m' L, n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)). y1 T. ], m3 O O1 m
]( v7 P+ P% P+ Z( `
]0 \ |) t S+ [) S' B
let j 0
3 @4 v0 A1 r9 s6 ?let note 0
- m3 E: z& }8 t' Mwhile[ j < people]
& h. P3 S( l8 T- X[
: u% i% `1 { S( [if( length (item i" s- v% g. U$ m; Z* }+ I: Q N
[trade-record-all] of customer) > 3 )9 y2 {9 D; ~2 p9 A, C1 E
[
2 W& v }- O/ Q/ _& bifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( y& i+ u3 P* D# K3 ~) M6 K
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 b8 ~" H/ y' [/ @
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] A2 E. V6 P2 V, Q
]$ s" @9 k- |& @+ C* y' I
]
2 n3 O8 F* b5 Z3 @2 cset global-proportion note2 |5 Q: Z* z6 r8 u+ z' v* K
]
! {3 {! [8 P" W9 c! Aend }) g: b, R5 p! T) f
" Q& I0 \ _2 {0 D
to do-trade0 j1 Y2 _& |1 k' x0 G' x
;;这个过程实际上是给双方作出评价的过程
' w6 S6 Z1 n% \& aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 y7 S2 T& M! u% b+ ^7 x" I$ h
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价! p- N- [- {! `
set trade-record-current lput(timer) trade-record-current
Y: v7 x" E/ d$ |4 W;;评价时间! B4 Z1 Y' ?6 E E1 f0 @8 K
ask myself [, E2 p5 J+ G8 s- s% A$ I
update-local-reputation
# j5 _! U. @: S, ~8 k/ zset trade-record-current lput([local-reputation] of myself) trade-record-current+ E- U( |# ~/ w3 J! t/ ~$ q
]; n) ^" c; }- L3 v/ {8 k
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 S# ?+ t4 r: P- \5 G+ d
;;将此次交易的记录加入到trade-record-one中
k& b( ?% J& v/ aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 B6 }) J, v$ N* c4 G. P; Y
let note (item 2 trade-record-current )
9 X$ l% L8 I+ ~set trade-record-current
, |6 D) h1 g* U- J: l(replace-item 2 trade-record-current (item 3 trade-record-current))
# X* S6 d& n$ ]/ h8 Fset trade-record-current
2 ?; R3 s( y o/ ?7 _9 Q( z* {(replace-item 3 trade-record-current note)
, ?6 c9 N9 j! c) d9 d; B; F9 T* L# J
% ]) u- [ V$ t5 s
ask customer [# E# E" a1 j; f: ^" b
update-local-reputation; Y9 A, Q% d& J! @# ]& c
set trade-record-current
3 P1 ~$ L, D- Q$ I. O( z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. | }! v' ~$ r6 O' ?+ W]# Y) j$ s: E5 i
9 t B) l$ m0 A; `* d- C* t2 X& o
2 w+ w$ I/ }2 y( ^3 |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ t2 w( t9 Q, p5 }2 w1 Q) `
! E, F7 v' l" R- a tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. Q- r |6 V) {;;将此次交易的记录加入到customer的trade-record-all中+ Q2 ], g7 ?" Z) R0 b
end
% O& {$ v, K. l* ^& h
, `! t4 U5 W+ mto update-local-reputation8 p4 c; U7 Y7 {# n8 B$ k; w
set [trade-record-one-len] of myself length [trade-record-one] of myself
% O+ ^# M8 ]. G" c7 x+ i: G5 g+ U" R, _9 _ z$ ~4 ~
1 e: m4 n8 k+ P) p;;if [trade-record-one-len] of myself > 3
, b& u2 k/ t4 {, u/ o3 ?! ^update-neighbor-total
3 D/ P# ]6 }, p3 e( Q9 |; u8 Q;;更新邻居节点的数目,在此进行3 g0 j5 G/ S" {2 q5 u& q4 c' P
let i 3
! [* v3 k- w3 h' ] E7 tlet sum-time 09 F# L8 a0 A( o) ?3 e A
while[i < [trade-record-one-len] of myself]
& L. ]! w+ \, S& {# M[% j; r2 h) H% S% I, ]
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% v9 T1 O* t9 r9 `+ X
set i' z$ i% A* E- q' ^# t; `& L
( i + 1)
0 l% K) p8 C+ Y: V2 A]( f7 c9 Y U3 @# T) k
let j 3( Q, G2 t, v6 F J' c
let sum-money 0
3 s& M; A0 ~5 Y7 [0 K( ?$ K& K4 Ywhile[j < [trade-record-one-len] of myself]
8 e- Y: |( U- l; O+ m[
3 |& n' T6 L! e# ?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)+ ]( t% v% z# u+ S
set j2 D0 F7 n4 ^4 n+ q7 H3 l3 P% Q
( j + 1)
' O( h4 a) V. _- [& L]
' u- }6 A6 V+ Y* k3 B8 `let k 3
# Z" v6 T4 J6 l& l( k& E% R9 C0 Vlet power 0. j% M8 J. s2 c. r4 M* z
let local 0+ ?. X N+ O0 r9 U- U5 ~7 Q
while [k <[trade-record-one-len] of myself]7 ^" ~0 a ~- k$ s# W
[
, Y9 h) ]% M; H9 \3 X5 vset 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) 5 T1 n2 |0 w" o
set k (k + 1)
$ Q, J( s- j( o* h]
( q6 v' O, N" ?7 F! c) H" cset [local-reputation] of myself (local)( y9 R _0 {7 v$ ^& E1 ]9 Z
end0 K6 ~" w# f( I5 y1 v
1 h: `5 v9 K+ }& Rto update-neighbor-total
4 x3 L0 \1 b. y9 z$ U
- S% Q8 e3 y( @4 Q# n. j# ?if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ n1 a* D1 f2 }9 ~7 p% ^3 W' X( X
1 H: f& s& ~ l& l2 P+ F% p+ u+ f# V( z; L' g
end
& v! [4 G3 O" W7 X" s; c/ U( y" P$ V* L, N- I3 ^: b, `4 e
to update-credibility-ijl
2 O% J2 ~- {8 M( C1 V+ B2 o
/ N: k; g3 |6 W6 u6 t2 o/ Q( q+ e;;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。3 S. p9 R( F# ]( e x# e
let l 0, p( I- q z; s1 C
while[ l < people ]
( j* H M( w4 l1 K;;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
( O# P) J* e5 _( z1 ~# M* b }7 A[' \1 L6 L' P* U# K. m+ ?
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
3 n! O; _. k* E2 M+ Rif (trade-record-one-j-l-len > 3)
& v/ @# `6 t; b: G% s3 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
/ A- e! O* C: x5 o2 jlet i 3: d6 U" ^) R7 ?2 k' S6 ?
let sum-time 0
3 x+ C1 V9 Q! @# X \( N/ Owhile[i < trade-record-one-len]
, L/ M0 e3 g9 x. R[
2 i+ W- }: C% }) _0 ^5 _! P7 |5 @set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )( {. p, N1 J4 h, o
set i
/ y! R9 |0 h3 B' e- i. X( i + 1)0 @5 E/ y" Z3 w# k% a0 U9 o' {
]
; ~% X8 Q9 F2 L( j" _let credibility-i-j-l 0
* X# g! O; ^5 W8 U$ I% ]( R- ^;;i评价(j对jl的评价)
3 H; V3 e4 Y1 S6 z- Z/ Qlet j 3
- B& U9 ~) C+ `2 t) N: s$ hlet k 4/ e. O4 K* D+ C. ^! f
while[j < trade-record-one-len]# Y$ Y' J& P& ?: h" ?0 V% a
[
3 m1 \* f3 E) r8 O% u Lwhile [((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* a5 U2 \3 i& n9 k/ c
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)* C3 Z- X% W6 W# Q1 l) c0 d% h/ i
set j/ r9 v# r" p$ L
( j + 1)0 e: B/ k$ ^3 q% g* e! R, b0 v2 |% C: Z
]- Z! @2 S8 n# b2 s# w/ m
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 ))# _- U$ Y( _# f6 }& U w
( d) ?$ [9 n3 R5 I+ q, U' m. l6 P4 j6 ?6 v1 ]% R8 R) @0 u
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- Q: ^- a- \: [3 P6 l
;;及时更新i对l的评价质量的评价6 X, V4 _: {) F" I: F% e
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. T3 ?; L7 Z: _1 |+ [- p
set l (l + 1)" }2 C2 _ ~2 v& C: u2 g7 U
]7 X0 e) E6 l! `& C
end
6 M H' p0 S" w
( J+ ?/ b! v, S; N+ U( e _; t% ato update-credibility-list2 j5 n- ], H$ t8 f$ C
let i 0
6 m: h1 f# d: U7 |1 b: ^+ q' {1 Rwhile[i < people]7 F2 O7 {- f; T
[
# s) T$ h# E3 e- F! klet j 0
K9 U0 C4 a4 P& [( z0 x# s8 u" Plet note 0& g" w1 ?0 B) C& a% q8 H
let k 0/ ~- l9 [+ a" l! Y8 q
;;计作出过评价的邻居节点的数目
1 q! _( b9 Q% a: ?( }while[j < people]/ X/ c7 G3 Y* q) j
[
+ O" e6 B3 S3 Pif (item j( [credibility] of turtle (i + 1)) != -1)
9 X. J5 r$ |* Q, a( R5 s;;判断是否给本turtle的评价质量做出过评价的节点
# w# M' m8 b/ }: U% x1 z9 o[set note (note + item j ([credibility]of turtle (i + 1))), Z' U& b: f& n
;;*(exp (-(people - 2)))/(people - 2))]
% w$ ~+ L' S% Q. \6 |set k (k + 1)
7 h5 h7 B! \' j% t$ l]8 }" l1 n+ i- f& u2 C& Y
set j (j + 1)8 O" W5 H+ ^, ~' `4 t. Q# Z
]& c& d" b( r( G# }' w$ \' P9 p( K1 E. i
set note (note *(exp (- (1 / k)))/ k)
I, A* \* l5 }* Oset credibility-list (replace-item i credibility-list note)
% B m7 A+ C( S a# ^set i (i + 1)8 j0 u% k- z) k8 ?
]. L. Y( t; c) H6 M/ `9 X
end) j R. r( M+ O% N: o
/ U1 C- o$ H& u, m, }
to update-global-reputation-list; w* |+ [' u& F9 \
let j 0
. i# q0 ^4 A2 _# kwhile[j < people]7 N3 b) U; I/ d7 O$ S. c/ \
[
- m8 I; \. }9 B# tlet new 0: ]8 _' R8 \4 M
;;暂存新的一个全局声誉5 o8 `# M1 X" `
let i 0: r4 P! h7 O. g2 C1 B' |+ u+ E8 y0 i
let sum-money 0
- ]) D5 v. O- |) K7 t n4 @. Slet credibility-money 0; U) k$ T) s i3 @& n5 z
while [i < people]
* T, m- R; J4 o[
( U9 s. ?( q# N! W9 x# X" cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 @, {! S4 R' o! e' h9 p; k
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! T7 R8 S# Z! \) r9 }
set i (i + 1)& U0 ?. t6 H2 W- A3 N, C
]
3 U/ L6 j1 K' t' D' B, Z4 h9 [ o% X; ^let k 0
. N1 F9 ~5 O6 D* D$ m2 Glet new1 0
9 Z: m+ m+ B X' L! k+ \while [k < people] [1 h% e w! Q7 R
[- C. n4 B n" F! {+ M+ ?% s1 R
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)
7 A' X d2 H1 q/ iset k (k + 1)% v/ N {, N S
]* J7 `+ [1 }0 D3 Q, i& R* ~
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
5 @# S+ K6 g5 n7 m1 d6 Vset global-reputation-list (replace-item j global-reputation-list new)
: i4 @6 w. D sset j (j + 1)# c6 b. P* \' ?8 q6 A0 i, [7 O
], e, s, S# Z) f; g* ]& c
end8 I9 ^8 ^; }+ I
9 A$ |1 o( t8 g ~! M3 I5 t, i
" T W4 K b: y2 b8 U1 z/ b+ x5 T+ u# @8 X
to get-color
' {; C2 m& G4 q9 H3 K. B) g8 E6 y/ F& Z/ D' Z, {( c
set color blue8 b8 {5 y. f8 D% _5 a
end
' @9 `: J# e0 `" a9 m6 O1 d/ y7 W+ Q6 [* `1 h
to poll-class
4 [' G* ]9 f# o8 @end
& j( R2 `" i$ ^, [5 W
( M3 E8 N& P. C6 e1 W8 vto setup-plot1: G* P* D o2 k5 I0 }7 w8 z
8 z5 B6 k9 t! b- }6 y3 Z
set-current-plot "Trends-of-Local-reputation"+ A, \ q6 g$ V. Z5 ^# O
% S. y# [. z/ w, K- w/ M6 mset-plot-x-range 0 xmax8 l, h! K) B" h; H& y
, K: _: ]+ T! ]* rset-plot-y-range 0.0 ymax8 D7 e9 B% X$ v6 Y( S+ A
end
1 K3 i8 a! [! [& x! ?1 J
8 N; c9 D* U. n/ }to setup-plot2/ d2 J) e `9 o" L
5 b; Y- A7 K% M1 O4 \ u
set-current-plot "Trends-of-global-reputation"
& h$ z K6 Y! ~ I1 C
1 O: R; |" N/ d8 j2 h/ `& X) y/ nset-plot-x-range 0 xmax9 R; n1 F8 ?5 |- }" H- N0 y$ Q9 t1 P
! B3 o% a) E9 }7 H/ g
set-plot-y-range 0.0 ymax
7 l3 R. s8 n1 c- o# M( M+ dend
. k1 x: t& ]$ f- X/ C. E
/ [ T! j( F( O' H1 fto setup-plot3
4 L) _% M- t! J+ j' A
" U. c2 Y5 d+ m5 a2 Mset-current-plot "Trends-of-credibility"* d0 z8 w4 n9 r. i/ d& `2 P6 I
% ]9 ?' [% A/ { o& T' B8 Gset-plot-x-range 0 xmax" W$ T" v$ t/ y$ ^/ n+ R
- X" n* ^$ Q3 R3 D9 J% l
set-plot-y-range 0.0 ymax* ?! d& \. S3 e) ]
end4 q+ N! C& H- W5 Q, }
{) x, S1 o& W8 q, _* u# _to do-plots
7 r2 r. ?& {4 V: c; | I7 c2 y* Hset-current-plot "Trends-of-Local-reputation"5 z# N9 w3 W9 j0 m
set-current-plot-pen "Honest service"! l* o4 I# T9 o6 I% n. l$ h4 j; I' o
end- A' M/ H7 T$ T1 A- Y# k
* A- O# s5 T- v& E5 g
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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