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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
. o4 @; x5 s N8 H; I# f2 b) hglobals[" ~7 S, I8 c k8 P: J. y
xmax
& m* C1 C, g& ] n: d: e) Rymax
5 t' F# ]8 O$ K/ T! L9 Rglobal-reputation-list* K$ u7 C2 D% V/ d$ T! y
A6 p2 W2 O( O* I+ Q;;每一个turtle的全局声誉都存在此LIST中
& y9 I, T N8 P- o4 _credibility-list8 W7 d( w9 V# D, _& @$ M4 J* s
;;每一个turtle的评价可信度
4 S7 [- {; J( Z# R* s! Z2 u1 ihonest-service1 o, d6 p1 G6 ]
unhonest-service
) q' B$ j) L, w/ s, foscillation
" t r7 O$ y% l6 `$ O( brand-dynamic
, e. L4 r# x( ^1 _]
$ V, |& W9 V) D9 b" T, B$ [4 y, _# B! z6 t: r% ]
turtles-own[( h. E, y! q4 o( w
trade-record-all
+ b# d2 n, @1 M: t4 t3 y' n;;a list of lists,由trade-record-one组成& r5 {3 w1 M! h3 _$ N5 T
trade-record-one0 ^' [9 L- T) L/ T! u! Y# w$ ?5 o
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
0 x4 Z$ x2 R6 C8 n+ X; D( T( K, }' m3 n& e
;;[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]]) g5 Q! a4 h( s9 y! z9 l* [+ I. j
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]4 S) X( Q) S4 ~ _1 _2 g9 j
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
7 P3 T& U; w3 \+ yneighbor-total
/ o+ B! d+ h+ G* y;;记录该turtle的邻居节点的数目
) X3 Q% P7 e5 s/ v3 }$ R q- Ctrade-time7 L' U8 n* K; t8 [9 H% D
;;当前发生交易的turtle的交易时间
3 B0 S% F5 B+ J, e; r! q- ]appraise-give/ y2 F( x& k$ x1 a) l
;;当前发生交易时给出的评价( P1 [" W+ F7 M7 C
appraise-receive8 o {+ F$ z! j0 A4 O" _7 `
;;当前发生交易时收到的评价. l3 X; m# q# c8 O+ z" {
appraise-time
1 H) n# \' |# q0 R+ ?;;当前发生交易时的评价时间7 v) j4 h8 _* \4 f& V) E4 H/ n
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 ^) y4 d8 B( ], i* O. @trade-times-total8 k" J5 d) T8 \% h J1 {9 P3 k
;;与当前turtle的交易总次数
" h0 S. T9 k9 F) d& N0 y4 atrade-money-total
5 u& D5 W# L( ?3 s# B2 s. T;;与当前turtle的交易总金额
' q* |/ _ L: R6 o4 w |0 ulocal-reputation
9 w2 l. Q) [% x1 f6 B$ X- }global-reputation* d2 r1 b# Y$ x0 r# `, n
credibility- W- M% `" i0 E1 S& y+ r1 v O
;;评价可信度,每次交易后都需要更新 S, j5 [# F1 {. |' W
credibility-all) @5 ~+ m+ f- h0 y9 V
;;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
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3 j z Q6 j- n7 S/ |;;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% [$ {8 N' U7 X* j. i; Y
credibility-one
- y6 |' a0 l1 U;;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# G, S1 Z' m1 A7 g. D
global-proportion+ S3 A. s' e, K7 X, O4 A
customer: d& E) r( v* [$ N# A3 J# d2 V
customer-no' E; s3 y" y! B* N; Z4 e
trust-ok: f$ P' Q5 n0 e3 O
trade-record-one-len;;trade-record-one的长度) Q, c$ L4 z8 x- B4 m
]
5 o2 x% K8 k: d' z5 B
* Y" g. ~# }! P* E3 @" X1 A;;setup procedure& {8 D1 a S" o5 b
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to setup* f/ z+ Y8 C- @' ^, {0 M) `
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ca
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initialize-settings
3 L8 ~) j; J. \) M; c& f/ S( \; q* a
crt people [setup-turtles]. B# M! V5 K" z Z9 g) _
$ A* f7 f r- `; C7 Y: Z+ Nreset-timer9 P) o/ A/ L' Z" }8 w: h4 P+ H
" U6 D3 z# G" X& {3 c* ^poll-class
% p6 m( j [( X- a Z! }! T- M+ f! n* o6 Y$ L' _9 Q
setup-plots6 e5 w4 N4 T6 C1 y' C- W. g5 M
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do-plots
$ s5 D' ?* N% }' d! `7 R) xend0 {& @) S# L& J) A# t, l
S$ [4 b6 H( n( j' q$ |, _3 O/ q
to initialize-settings
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set global-reputation-list []
8 _9 S, j+ Y, H% N! W/ \+ }- j
+ k/ l5 v. L% V. e7 l nset credibility-list n-values people [0.5]3 X; u9 W- Y6 H% ?9 A3 c+ J4 N* |
1 X3 m' h# |; e! b% P
set honest-service 0
, P6 W7 R3 G/ ^2 b4 T1 N% T3 C3 R( T& ]
9 W& t- f* D4 S7 @5 A: W: kset unhonest-service 0
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set oscillation 0$ R5 Z/ M- q: H
- {- T0 R% ]1 P# {. v8 dset rand-dynamic 0* v6 j# a! T5 d) @' r
end
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to setup-turtles 3 y m, |4 o [
set shape "person"' m/ y* g8 E9 n- N& h
setxy random-xcor random-ycor
" _& o( u f3 t5 Iset trade-record-one []& y) @+ N" _0 D/ g- }5 H3 }
. l7 |0 d+ [& V7 n
set trade-record-all n-values people [(list (? + 1) 0 0)] ! ], J. G+ X4 p4 `6 J7 E
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set trade-record-current []
1 \) b! [6 c3 S6 E+ x+ H3 ~- eset credibility-receive []9 g* ^2 u2 A& V& x4 ?" E1 |# Y
set local-reputation 0.5' t s/ y$ E, u4 T
set neighbor-total 0* Z4 M) i# x7 a$ Q, ]/ s) I
set trade-times-total 0
* M* s1 R% F2 h, D0 @: tset trade-money-total 08 B" w5 g4 h* Q: G2 M3 a
set customer nobody
( ]( f/ ?5 s/ }2 ?7 Kset credibility-all n-values people [creat-credibility]' ?! y5 e' m% q9 j1 f* b
set credibility n-values people [-1]
$ [2 v1 l) J, Tget-color
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2 S# Q1 n/ j5 ]$ ^/ K2 H4 ]4 gend
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to-report creat-credibility
& A& E7 n9 E& l/ l$ M+ ireport n-values people [0.5]' @. A# I6 |, n
end* f2 S& q Z' x U& B2 y
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to setup-plots
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- k: A. r' d9 Iset xmax 300 r. v; }2 L- ~- I
0 I* {4 ~3 F; d6 J8 |& Xset ymax 1.0, y8 ^$ V/ p N) E, d
- N! `$ o& f2 Q. [1 J! wclear-all-plots; M- L# R* G" n1 ^) u/ m0 N# C% n
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setup-plot17 K) N) D* c( M: y: m x
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setup-plot2
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$ R2 O6 q% \4 E2 C! D; i4 Gsetup-plot3
/ U: P3 ]4 H/ _' O# m6 pend' H2 _% i* b, d$ p" C
1 P( d$ ^2 t, Z2 g
;;run time procedures n0 W3 _* p* I1 J/ W+ P: C
9 V& |) g9 k4 X0 j: }' Yto go+ V f, K' y$ }8 D( M( ]) W
% ~; c# T7 i. ?( K' y$ Gask turtles [do-business]
9 e! Z* d( R8 p; X' pend4 N6 q% J" `, j
- F, r, O& o6 p; \
to do-business
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( |& [" [0 z! b' B# d
rt random 360
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, R! `# o. f F* ufd 1
. c' F& z5 y( S F( V; F4 y: z/ D/ x p8 P' L
ifelse(other turtles-here != nobody)[
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0 V9 s4 F5 T" tset customer one-of other turtles-here
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;; set [customer] of customer myself
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- [2 D9 v4 Z Y- R ]! X {; Fset [trade-record-one] of self item (([who] of customer) - 1)5 R0 ~$ i1 y, \
[trade-record-all]of self
8 m0 G$ |4 O$ C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ V& Y2 \! L; u2 n$ N6 c# p$ Z! S/ K# Q4 x1 \! _; G7 }" \
set [trade-record-one] of customer item (([who] of self) - 1)' k: P6 B* I# Z5 O5 O7 p- Y! Z3 a
[trade-record-all]of customer: M) X8 r6 C6 a5 N
4 h8 a6 ]( V7 k. fset [trade-record-one-len] of self length [trade-record-one] of self
7 z- V1 Y1 P4 x. G" q6 }) r& a& J. k: n4 n J, N
set trade-record-current( list (timer) (random money-upper-limit)): h0 n0 n" \' E& |
9 U0 c- f- \- F1 gask self [do-trust]
9 n8 ~) E `2 q' h2 o;;先求i对j的信任度
" K2 h+ b& g# ]3 ] k2 v% T' S8 }5 H4 n5 j
if ([trust-ok] of self)3 T- |6 w6 p. M) {1 G X: U3 x% j
;;根据i对j的信任度来决定是否与j进行交易[
; G6 `& Q( n! H8 n3 f' C, R2 V! Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ t: x8 S+ n& v/ \! ]
# R8 q- ^' c! |5 \7 @" X[( A! N+ j% q: D7 ] G) D( k
# y8 C. e% q- U. c; D! p/ c) q
do-trade
* U; C) y1 Y9 G; g
7 U6 `6 I5 Y; yupdate-credibility-ijl0 Z9 t; o- \0 V3 \. [" u6 N" z2 R$ e* ^3 a; g
1 T g( O! |# r: ~
update-credibility-list/ h6 j. P; b8 ]3 N) z9 T! e
, u* j% a7 i. [
5 ]; p+ P: L8 m% X7 Hupdate-global-reputation-list
( d8 {( V' |, c2 ]( n2 [( V; C% @6 \% G$ S) P
poll-class% n! e' C) h& [0 `/ s
- H* j( ^; Z8 T2 l( Hget-color7 X# o: \# V- X
v' u( W1 p( u' Q
]]
4 j9 S. e6 w1 W. q$ }
' ?8 s9 t; ?% _! |6 B$ T;;如果所得的信任度满足条件,则进行交易+ Y2 F2 l, Z4 u% b e8 S
" N: ?) d. n% C4 C- [+ t. [[
8 h' b3 ?& x. K" A. F7 Q$ t( [% @% ~3 p7 c! @( ?
rt random 360
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% n h% J+ g: `! i+ S) x9 q) P! V" }fd 1
: T: [: ~7 p1 d5 V8 }2 P" d) y
; u: m! `$ N7 {3 _: {]( F; @" ]3 V# F3 U8 Z0 h& V
9 L& L# ~# B$ s
end
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to do-trust * m" T, `6 b/ T' g$ y
set trust-ok False
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- z# Y j' p" E4 j
let max-trade-times 0
. D* r1 ]* N4 D$ sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]! l: i Y/ b' @/ Q3 U
let max-trade-money 0& l3 W6 R& P& e9 A' E
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 [3 R/ R; x( u* ]3 j; P( Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
7 N. V& M; V- f3 v/ A8 F M! R7 y
) }$ l) T) h/ @& Y4 C4 ?, l) w% ~2 D5 r" Z' R7 m: f
get-global-proportion5 \5 O: [1 C' y1 z: M" H
let trust-value8 Q8 C Y% p5 {9 c: q: M. b
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)
( Q. x& \) `7 i$ |" n$ ]& L, E7 n: gif(trust-value > trade-trust-value): ?& _# a( k, U1 q
[set trust-ok true]( V, i/ s @1 R5 E. o" W" {8 Y+ D
end0 s) Z7 t* `5 _; n* x2 \
- I7 N5 ?- z4 }to get-global-proportion
: [; u k8 x# v+ xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
/ U, k( Y7 [* T, N5 Z/ W8 V6 f* R[set global-proportion 0]
, v1 T0 g- l' k1 w S[let i 0
; }, P# D/ U0 Q: P( p4 K$ o$ Z+ jlet sum-money 0" K) F* \/ v, ], M. I# A) H
while[ i < people]) a. t* z+ F" P+ J+ v: n- x- y
[
$ u, b$ n( M- I. O! k# d$ t3 hif( length (item i M! g$ d4 A8 z4 ~/ E2 n
[trade-record-all] of customer) > 3 )0 Z1 b- v! {% _5 l+ `! ~+ E# q7 m& ^
[+ ~3 ?( D4 X7 f/ P1 x
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))2 {: v5 V$ q8 D7 O( Q4 Y
]$ ?) x6 v; n9 r4 @9 h9 w8 t
]' w: U/ t5 ~& G1 S e, C) Z: l
let j 0
+ q9 f: f! b! ^1 Qlet note 0! j# f& Y P1 g+ x
while[ j < people]0 T/ p3 E& q# `1 D
[
$ t3 w3 p. r4 t) m1 \' rif( length (item i
3 R/ `0 g. J7 i: K: X+ F2 N[trade-record-all] of customer) > 3 )2 a- }6 K+ ^( E
[
4 f& @3 I5 k* g8 r) _6 I6 t9 L0 J! r! Zifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( c( _! e+ Y/ X& J" n+ h[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ s+ U" s3 B% b5 m( P' `# R[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 E1 |* [. }( e* l, W]4 u( q6 [5 h; \. V2 [$ H* x
]* F0 T. `) _/ i
set global-proportion note
( Q, U. H( w/ q3 ~8 |4 |]
" v# A: X% [; m. Y" P9 F2 p( b6 xend
# D% v7 K$ ]# I% P
' h, J# ~0 w/ o k0 _: k. ^to do-trade
' G# {( n: U5 Q8 C6 }0 _;;这个过程实际上是给双方作出评价的过程
U. ?( Z* e# j1 d& ^set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价, X" O+ W1 [6 P( ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 ? t9 T( m. ~% X4 Uset trade-record-current lput(timer) trade-record-current, ]& ?. E6 G0 \* V; o. [& ]
;;评价时间$ H4 @: O$ k, B% E. W: s0 h
ask myself [' J( A: Q9 i( _
update-local-reputation
/ P$ j. ]' C) Xset trade-record-current lput([local-reputation] of myself) trade-record-current
4 D9 T, q% B8 {8 {( s, f) Q]
% {6 v, \( D1 e0 q6 O! u+ t8 K0 q zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, v7 R( N9 |9 r( D. c7 o
;;将此次交易的记录加入到trade-record-one中
& ?( M" h+ g5 }$ p1 Q! {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ u# x5 Y& Q7 h. z
let note (item 2 trade-record-current )3 z7 c9 w$ c2 U; D- }
set trade-record-current7 c! _1 g* D2 |" N) V8 I, F C! k% }
(replace-item 2 trade-record-current (item 3 trade-record-current))
8 Q* z4 H8 u8 o" T/ Bset trade-record-current! x3 g" [3 S3 h* q8 @5 E7 e3 ?9 v
(replace-item 3 trade-record-current note)% h$ [2 N0 N2 U) x: i8 _( S- \0 @
6 {+ f, W7 W5 a$ d+ C
& p$ l% x8 h% U% yask customer [& E5 I7 o, f' r9 X: i* ~
update-local-reputation
) V+ P% l1 N/ C' i; |1 uset trade-record-current0 Z9 _2 A8 W# }/ C
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 r) F" ~, B% K- _" E' p
]- s+ N& T- K) y( Q7 C
g1 _5 C7 _ U6 z( d: s
# T2 {2 E. X- \' u. a. D; Hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer m2 F* B7 X" ~
( U4 n4 S, C2 ?: Rset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 F, v c# n4 D1 D4 a4 l$ C
;;将此次交易的记录加入到customer的trade-record-all中
) j' S$ U4 {+ z2 b, v; Jend: a+ u, }. ]2 ^$ m! E7 `1 B4 x4 O
1 X5 ~6 G4 S8 {1 nto update-local-reputation3 T d$ Q: m7 [# v/ M) W9 d8 Y
set [trade-record-one-len] of myself length [trade-record-one] of myself
$ P" |" m% _, _& }- f( E$ m1 s Z7 [4 @# Q
2 @* j8 u" x3 m( r. L: Y
;;if [trade-record-one-len] of myself > 3 4 A6 Q2 D6 r$ t! q( @
update-neighbor-total
# ?$ @- w9 B# t% f' ?$ q4 a;;更新邻居节点的数目,在此进行 t5 q( n8 X' M1 x( T. Z
let i 33 l, r# {6 s# X/ N w' J( Z- X2 Z
let sum-time 0/ J0 _# `+ K: a& Y" k
while[i < [trade-record-one-len] of myself]% j, k. S) j6 |' i* x
[) R" ~+ |6 R! [: t5 [
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 I9 k6 r2 W: \$ G& s/ p0 ?
set i
' Y# v2 Q7 E) c3 R3 [( i + 1)! `; f3 Z0 b* q# S6 c( ]
]5 K9 T# H7 u2 Z/ v
let j 3# q7 p* N; f ~$ @7 c, v4 W
let sum-money 08 H$ B1 s6 E/ ^/ q4 d
while[j < [trade-record-one-len] of myself]. r) X% \$ J$ ]% k) d T
[) }9 c D3 `2 }/ a# P$ t2 X; `
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)
/ n6 Y% j0 Y: ~2 @: M% lset j: H* j( Z6 @* k3 p _( ~3 p+ D
( j + 1)
0 {: L" g2 n9 r7 N# U4 X, _]7 m9 ]9 _6 a: p) @! l2 X
let k 3
4 n9 u8 V1 \% W; L% ^! G- klet power 0
. R+ i+ e% A+ T1 t Q+ b: vlet local 0
4 G V* N- x* P" H) C# X' }while [k <[trade-record-one-len] of myself]
& S* h% H" n! n: ?, A[
2 g; F d* v# S2 n+ _- e$ sset 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) ' }8 B5 u2 h* @+ B$ v9 {( ~, l$ y
set k (k + 1)
$ f! C$ `0 v( ^6 E9 U/ Y]
& Y7 [' d5 d+ C! Tset [local-reputation] of myself (local)3 N* N+ E" |3 v- A, ]
end+ N4 e ]. p. `* \, D; @7 L+ N
4 w6 h' { I8 T4 F: r/ J
to update-neighbor-total c7 w1 O2 q* u+ N
7 b4 G! u3 o* T `: c4 ?9 z" Y! N& g; M
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 Z3 h, u% r- N+ A4 _/ Z' U( j/ l0 F
' y6 l- H1 U0 p5 m; a2 u
end2 _" e6 I( e' R
: E) ]5 ?# |; W9 X7 pto update-credibility-ijl , P* ~, Y! y9 h! ~
8 H7 V* p6 J( F; `( Z3 d;;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。
/ ]$ u$ C( x+ G1 j; qlet l 0
' s0 v. J X* w L- S1 i0 d! H1 twhile[ l < people ]4 Z% ^, G; G* t. P0 L4 _
;;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
, E' S4 }7 h" B* [- m9 o7 N[7 R; z. t+ `4 G+ S' c0 L
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& M6 T$ c2 ^5 D4 J
if (trade-record-one-j-l-len > 3)
7 L. K1 g4 W; y+ f: i. T; 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-one2 V" M8 l6 M3 o" \
let i 3
+ ~, x, c9 d* u- g) H' Slet sum-time 0, ~% e( F9 W4 ~( z& K* U/ a
while[i < trade-record-one-len]& V2 j7 @* U0 `/ w5 |. I
[
& O" F, j- B) y. ]$ \set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 |6 M6 Z; x1 s: H; }) e
set i
! }2 z0 _, J2 V a7 Y) c( i + 1)
# i3 z' a+ V( F2 k0 f]
7 o! }+ z' g# p' i: e5 N* ^let credibility-i-j-l 0# a3 P' ]$ j: X3 i2 ]8 d
;;i评价(j对jl的评价)- @+ u3 V. W3 X$ n
let j 3( J; w# ]: m7 F: ]
let k 4- b# k ]- U B9 M8 S7 d
while[j < trade-record-one-len]
: @# x. X8 S' b" F b# X7 d[! k/ U% ]; N4 v, B3 H r* s0 n2 K
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
- ?% C _6 a- I* M* Q* zset 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)# |+ P0 e8 G( \* a( p
set j- L* V1 n! j0 Z0 s8 ^
( j + 1)
1 c L- f* a6 f. ~# g6 b]" R3 x$ A4 d: R7 _0 p
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 ))
( t5 J# x- s* S; _; r1 o9 n& A" Q, q5 n$ U) C" X. x* Z1 P
( i4 E0 N! y. w8 \" J+ ?6 dlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) C& \4 w( J9 u2 j% `! G- `4 C
;;及时更新i对l的评价质量的评价& ]3 b* y- P6 `8 X5 M% `' o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]( e- N* O; ?, a) a; F
set l (l + 1)
( z: K! r) F% d% B]1 ^+ v7 X# C% ^% o8 [
end2 H, o1 c# }7 w1 a9 T4 g% c7 q
: Y- N9 B5 G$ A3 jto update-credibility-list2 I6 b% O0 V. _+ A* j/ F" f* U
let i 0+ ^/ `# t2 B; w- P C' Y
while[i < people]
6 {# F( {; F6 E& c" D& ?. S2 ^[
) |7 c: D. d9 }8 k# clet j 00 M5 k N$ t1 u8 w& w
let note 04 F; e. _( S1 V9 g2 a* f' P( g3 v
let k 0
) @' a- U. S2 L" s0 U* f/ W;;计作出过评价的邻居节点的数目/ ]9 z0 }( O- x
while[j < people]1 _( S7 ~6 K$ O* w. M
[
( w' C3 g2 z5 B b9 m9 Uif (item j( [credibility] of turtle (i + 1)) != -1), k5 e) q4 f) G7 a
;;判断是否给本turtle的评价质量做出过评价的节点1 @7 y7 W# o0 n' o) F& V
[set note (note + item j ([credibility]of turtle (i + 1)))$ y. M6 l; ~: j* P5 E0 h, s' R
;;*(exp (-(people - 2)))/(people - 2))]
& K5 e! |. G' r/ ]6 h$ S% L7 Mset k (k + 1)- o4 n+ K; U4 l: \
]! o$ C9 W% L) D) W0 A
set j (j + 1)
: q3 x! V. Z. G; i/ ~+ g. \( y]" m* v3 {, B$ Y
set note (note *(exp (- (1 / k)))/ k)
3 X- U( A D& L* O1 Z, i" N3 jset credibility-list (replace-item i credibility-list note)
+ U4 Z- E8 W- Zset i (i + 1)
! l% o, }* b0 o' D4 A0 _]
7 G3 e \9 k5 S. f6 fend% _0 p- g: U+ w# G* n; V: T
+ Y0 D f7 f( e- o5 _$ o
to update-global-reputation-list- e, M1 t% T5 g1 _
let j 0
2 v+ \6 m, R; e* n1 wwhile[j < people]- R7 a* R8 n0 I0 d, U
[- M6 r$ l+ P5 R2 N7 ^( x$ S) _
let new 0. f& O. Q5 ]2 j5 C
;;暂存新的一个全局声誉 w& b) H6 H2 Z, v
let i 0/ u# E) p8 F( z4 `7 x3 p& L# [" r" Q
let sum-money 0
D8 v( x* [' H) W$ c6 F' tlet credibility-money 08 X, |" r4 J7 c
while [i < people]7 W4 p5 n2 _) }5 o8 F
[5 W4 T" o0 }8 I
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 F' g- b: B1 vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), T: q& v9 P5 ~ ]5 z
set i (i + 1)8 u6 q, e L9 _$ P9 [
]
3 A' T2 e& A d* i/ llet k 0
% Q% h1 v- A% {& }) flet new1 0
. b# H/ V- ^1 Vwhile [k < people]
3 {8 D6 ^% B1 \- D' h' ^[
2 D5 C, }+ d/ Y) F- S* v% \$ N- m3 Yset 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); e% \: n" S' f+ o
set k (k + 1)
! K$ c2 Z5 ~4 a/ I. @7 d]
" q6 Q; R, T% R& Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( J5 ?) D% G4 X% J; H8 Sset global-reputation-list (replace-item j global-reputation-list new)
8 {/ h8 }- q& q. G+ F! ` T) jset j (j + 1)9 T% T% l/ H1 _6 x2 F. F& y
]0 P7 O7 i( I7 C% Q& u
end
^4 f5 O! c4 Z) b1 `+ r3 V, D
4 q, a- b: X* Q8 l# |! G& Q1 p. v* Y4 L% k, a. q4 V# D& A0 \
: N& r" N; ?% X7 d- k4 Yto get-color9 e/ R) x* s- J: B
' l; o1 E% o9 U, @+ W
set color blue
2 X: h5 G+ T/ c Q5 {end# {9 \/ A/ A. T0 e
, d4 h3 z U, j9 Yto poll-class
- _8 k6 k X6 ~* j* W+ {" t8 nend3 \1 G. @! Q/ y7 }" G; i3 ]1 n. M, i
% z) [1 i ~9 M
to setup-plot1( J- b; r# }+ v
; k- J: l' l5 V: K+ y% G/ | o
set-current-plot "Trends-of-Local-reputation"
. t3 @4 ] |7 R, P
! U7 Z1 b8 y6 M( y \; Lset-plot-x-range 0 xmax- u2 l- E4 _# F; N' ~
4 r. [/ K# I! y3 V- k! Pset-plot-y-range 0.0 ymax' Z' v) J# w G O1 q3 u
end
; e; H! a- H. t2 A! r7 x$ V- f( y6 m0 k* w+ ], |
to setup-plot2
, O! {6 [8 f& ]* h/ N, U: J
! u8 t# k: i8 W8 P) q" tset-current-plot "Trends-of-global-reputation"" e7 X- I" D2 u
/ H: w6 N) D9 `9 u4 nset-plot-x-range 0 xmax5 a: \' x0 e2 t `; R
, A; v7 Q7 a( f
set-plot-y-range 0.0 ymax
, T5 Y3 `% \2 C- d" A- send
: \8 M( ^# E. x( P% _) K7 s. N, ~9 k3 n7 ]) D% J) v8 v0 Q
to setup-plot3
$ a* z- H) J& R8 B/ a& G. n- l# | i' A/ }
set-current-plot "Trends-of-credibility"8 M) @% j+ N$ M" U
5 x0 e7 {7 q* q8 G& |set-plot-x-range 0 xmax/ k6 V6 G5 D- o' S' { Y t9 q
a. I. @% ^) J+ W/ s! ^- j6 lset-plot-y-range 0.0 ymax/ A' X- C% w6 J. N7 v8 H$ x
end
7 m8 R! N) T" p! a( O/ B6 j- |: F5 x+ i+ g( h$ l3 n3 a( Z
to do-plots+ ~* l# U& l# v4 V9 H+ X r
set-current-plot "Trends-of-Local-reputation"; t3 \$ p. c7 ?# p
set-current-plot-pen "Honest service"; W+ O! v% N6 k7 [
end
9 t" F( g8 K( [) ?0 w2 p: D
* [" R" v: q4 t2 B/ ]3 ^& W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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