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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/ K* m& y$ K5 H* Z2 _; v+ |: G% x
globals[3 @3 j( m9 o4 p# y& v! Y4 b
xmax) m* D; Z: P" V l9 o
ymax
4 C& O7 O( [/ Q/ k* m3 `global-reputation-list
5 ^. ~3 g& q/ E1 ~ D0 E9 Z- l7 a( A9 A. T. a
;;每一个turtle的全局声誉都存在此LIST中# e+ R& u' s& v& ^) W
credibility-list
, M! v: }, b. ]) J3 g: G9 z0 }' \. Y;;每一个turtle的评价可信度
3 U! s% D3 \: S7 r6 Mhonest-service
" A, q! o1 V5 ` E8 Q ~8 vunhonest-service
9 _. K7 G. k3 H: ioscillation
. R4 W- u% A. p3 D# X/ xrand-dynamic/ l r- w$ n- b2 q+ q6 f+ H
]
- E. R: W" s+ d; s; R8 ^4 ?8 N D# I( [$ ^ K' M; F3 `: u( U4 t
turtles-own[5 o" d2 ^* b5 [& z. k
trade-record-all
0 |( Z3 r/ @( K;;a list of lists,由trade-record-one组成
7 C* W" j4 J, X r, }3 V9 Itrade-record-one
4 q- W9 b6 R, @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ {+ g2 e7 C# K4 D# s7 x+ ]
2 e* e! E; L# ~3 V9 m' D$ R5 l: y; O
;;[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]]1 B' H5 n z: r' c& f
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]/ h) L4 S. m3 |
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
; Z' A- G8 ~2 Q; i1 kneighbor-total6 u" \+ A" v+ K* C" s
;;记录该turtle的邻居节点的数目1 P5 F. h' ?4 T! c0 W1 ]. d
trade-time
! R- w1 j- p- L; A6 B# F ?;;当前发生交易的turtle的交易时间
& U' A$ [5 z8 Q2 M( k1 aappraise-give
7 L0 f! g/ s' G( |% J;;当前发生交易时给出的评价) l# L8 Q! ], I
appraise-receive- ?" i) r! `7 d3 e7 `0 {3 y& C q
;;当前发生交易时收到的评价& v6 ]. {% a! N. b
appraise-time8 U& l) K7 H2 e/ b# t' [
;;当前发生交易时的评价时间
1 e- e8 D; q' W( J8 `$ }7 J! z2 Klocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 ^+ z7 p7 I" H; atrade-times-total
: a8 v8 R- r3 W2 d5 ];;与当前turtle的交易总次数0 g K% A: ^6 P- ~3 M# B/ e
trade-money-total: c# W Y8 V: O6 b+ \' E
;;与当前turtle的交易总金额
- c+ Q, ~: `8 Q1 ^- Ulocal-reputation
, _2 Z6 f' P+ l6 dglobal-reputation$ [3 N; T5 g {1 l* E( I
credibility9 |% X2 ?0 p! F# W3 \$ X
;;评价可信度,每次交易后都需要更新
3 A( X W# b: C4 Lcredibility-all ^- X5 ? L2 l1 K7 u( v8 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( i( x6 x) ^/ y, A7 L: S3 H6 U$ C% l3 J
/ P) O1 v! l+ i9 ]4 v* T
;;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0.50 o* e6 m7 P9 O5 b$ [
credibility-one
( N% }; O. m' i+ 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
: b9 M1 n: K; D: eglobal-proportion( Z; ?3 m0 R9 ?7 e6 q V
customer5 \, f* x- `. ]. `' B2 q
customer-no
$ S3 C# d/ K" S5 J% {3 `/ T9 Jtrust-ok
! ]& D1 P" S0 d3 b: J/ \trade-record-one-len;;trade-record-one的长度
& {/ C3 Q5 }- Y3 K]( `9 f3 T+ y, [) k i" A5 ]# Y! k
# s. x5 E# h6 R' d
;;setup procedure: G' M4 H3 c' ]' v+ p7 n! r
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to setup
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ca
q: _3 S# r6 k3 c4 W4 q* ?1 V* q+ l& B
initialize-settings
& N) {8 p3 q# m8 f; C( Q2 W& |) e
4 h5 N. n; X7 _# A3 O/ q8 @crt people [setup-turtles]
# D5 u; A( Z" u u7 |! l6 `7 ~
1 T5 ?# Q- d, x5 w0 G; }reset-timer7 G' A+ s8 E$ A# E/ o& g$ b
! b# ~1 |! L% M, Z9 b A
poll-class
* q* _ e; t- z- j4 Q8 z' _8 u1 j: F K* o' e5 d) v
setup-plots
: |% T( t; u/ Q2 t: }/ A
" K( L6 ~9 Z2 S0 V; U: L. W1 Zdo-plots6 l1 K( [6 F( C4 i* \; o
end& n' q' e; s; F" f5 j/ B/ `
4 J8 e! A3 W! Dto initialize-settings
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# g4 d2 o L& [set global-reputation-list []
5 z" e9 G+ j5 m& h2 B3 }& [. f
) J' W, l: e* H( @set credibility-list n-values people [0.5]" j* P! l+ e; @
+ Y* b) h6 `; N) H: j' v: N% y
set honest-service 07 y8 u* L- l2 A& i/ z
9 t" E' d# l* i# O& w
set unhonest-service 0
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, i: K4 z! d+ n1 s5 _set oscillation 0
0 h Q. E0 a0 P9 q1 K" p' B% p; ]0 v9 j0 }% C
set rand-dynamic 06 o. {: y1 l+ g8 {! c
end6 K) z4 j p; ?: M' i
+ C; K% w/ z; g$ _& ^$ F
to setup-turtles
/ v* b! W; U8 e; Y. Gset shape "person") e: Z0 [6 O! J, f! O& [
setxy random-xcor random-ycor
8 _1 h+ z4 C! Hset trade-record-one []
* i: |% g0 `% M
8 Y6 Z* _8 A; P/ ]$ E) A! Sset trade-record-all n-values people [(list (? + 1) 0 0)]
' K ^7 Y R3 R) b1 [6 f& L6 u( q
set trade-record-current []& f9 S' Q. O6 c2 D& V; X' }2 Z
set credibility-receive []9 { ?( e" n8 S6 B
set local-reputation 0.5# ?* _9 i" y% Z- b
set neighbor-total 0
$ Y9 i4 Q! V9 a, p! bset trade-times-total 06 M; v$ Q5 l* P* O0 w+ V' G6 D
set trade-money-total 09 j* ]0 ]* O7 Q; |5 h9 Y
set customer nobody2 F; _1 [7 Y0 ]% @0 _
set credibility-all n-values people [creat-credibility]4 {3 g' w, E: d6 |; K
set credibility n-values people [-1]) L7 j; r; p% L/ Y5 i
get-color
) f2 R2 g2 w, S, _
1 C% I# v; y- }4 k. I0 e0 S) O2 _end
) f3 u# Q Q" S7 H4 ?2 U, m: | `8 _
to-report creat-credibility: t7 P! j2 M3 t" ]# X" H E
report n-values people [0.5]/ Z( z' L1 r# y) I; }. D0 h
end
/ M) Q8 M2 E* u( n4 Y2 C4 I
5 w: X9 U$ \) F- x$ m" \; t) Gto setup-plots
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' ~# |3 A- Z3 G! E' d, t" q1 Cset xmax 30
. m) U& G0 k! m2 t: H
% J$ R5 u% A& B( s. `" Xset ymax 1.0
0 B% c- l# d n1 f X. J/ j: g; x' a6 j" n" S( k2 w- }- B' {, s
clear-all-plots9 s0 z, t$ i% \3 S
# w* Q4 v: @# b5 }/ H" {
setup-plot15 G2 B( g4 E1 Z$ q( V
7 H2 V* \4 b$ W1 r4 msetup-plot21 b: o* A( z: d; F8 r- O
# b% X9 ?9 W1 c5 W. x+ Zsetup-plot3
* o& \1 ?# q* Q2 }end
; ]9 t: u3 n7 }5 U: j! n% N8 y! ?1 Q+ Q4 h, X! M: v" N$ r& w
;;run time procedures
7 S5 _* Q7 e% ]' s6 o
0 G: E4 Y; x6 H9 Sto go% k4 s1 T6 g8 o! n& T
7 ^: e# V3 K1 V9 |6 W1 P9 F5 d% Dask turtles [do-business]
( n4 x+ T4 u! Y, P" k! v' @% gend1 E+ b8 s' p! E
1 B: `) |6 I0 W4 i# `
to do-business
( k8 R% ~( m) X* Q8 J/ T
4 O( r+ F1 M# D7 f+ |
9 K) {7 G- { v" c4 krt random 360( f) f" `2 ?. [
: w- N- ]8 w. Z; o) i* Wfd 12 e: Y4 }1 _! h
8 h4 j& n+ o8 o0 ~, G
ifelse(other turtles-here != nobody)[
( Z; j3 O' q7 y
! X% i9 I" g3 Z0 S: Kset customer one-of other turtles-here5 E) g7 R0 M. |: y7 z& W# ]
# Q# c8 u. `. i5 c0 }' `;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)3 L( j& H" h# J$ d7 t
[trade-record-all]of self
, A" E N% u* S" b* x;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 V& |) _, ^& D( E8 u
& J2 X t' l+ t# W3 y% J s
set [trade-record-one] of customer item (([who] of self) - 1)$ E9 q2 T; h/ T3 j n0 _/ D( V
[trade-record-all]of customer$ a y) T8 l1 ?8 }
5 ] \ A' e) {2 e5 pset [trade-record-one-len] of self length [trade-record-one] of self
8 R2 |* ]) X' I: {- Y2 |
! s, v/ z: `. [5 u$ eset trade-record-current( list (timer) (random money-upper-limit)), P8 r j' ]2 ] P& g: I% z- @
% C6 b; B/ \3 k- gask self [do-trust]
9 e3 i& |$ U8 n" W4 L$ n;;先求i对j的信任度
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if ([trust-ok] of self)
4 Y1 z1 M' n1 K9 T5 W0 l5 l;;根据i对j的信任度来决定是否与j进行交易[
, \" Z$ q0 R+ K& x1 jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
4 N+ c% B1 d5 T" i; \% r- w3 z9 K( [
[1 Q; o4 b7 ?4 ?8 e
& w8 L) [3 I% R) y( t+ t; g1 |' udo-trade
4 `: \6 f5 G" |* L U9 u7 ]! N7 A5 G& z' b" o, e$ O. {
update-credibility-ijl% N* Z1 z9 K0 E. C( d0 ~
: s( X/ V5 X9 U0 b+ K1 i, h! H
update-credibility-list
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. y6 c- i% P# \' K5 J2 R: \, Lupdate-global-reputation-list2 {1 g# }* m7 \, q$ c- v. l* j; l* I/ ]
7 B9 n$ h3 e. V8 y6 Mpoll-class; b( J/ Q$ Z# o# {
D9 e0 {5 e) s T) t
get-color m' v1 W8 ^ D; o3 S( A
0 H/ ^! }4 S/ x8 U]]8 @$ ?3 i- H% V* K# v; a
9 s' C$ B, m& t7 {1 @;;如果所得的信任度满足条件,则进行交易9 y' N5 g% x7 f( M. y! ?% e, b: N# [) w/ G
5 F0 M f9 s3 Z1 s) L& S[
% y: U# B: G6 Z: a" H5 ?7 w N M1 g: E/ i8 a
rt random 360
: {6 j9 L. d J& i8 r5 {$ `- _$ r0 y' J* U8 U5 x2 e: X! s" d6 b
fd 1! Y4 i6 W/ Z1 \4 z/ [! W$ N; O
9 s, E* \, L9 |' m# U
]
- N" L) f! x e4 m" i: a- a1 R3 S6 v5 Y$ a
* z z& S7 z# x' Gend
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to do-trust / ~4 {2 S; k4 K2 e1 l2 P
set trust-ok False
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0 z1 L0 ^! k& l0 j" l
let max-trade-times 0
+ b8 w8 S: M7 X6 Lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; a `8 o0 u" }" T) Nlet max-trade-money 0
7 K$ `( r4 [ e) Pforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]- r3 z4 C+ A" t3 P. D7 s) T
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! V" J) \% \- [6 r( S% S
3 P5 R" M/ v- _ P
7 {. H. j! _" B/ C
get-global-proportion! d Q# m1 k0 `% w' K3 s/ e
let trust-value6 c0 V. x& X1 E, `7 r* E7 {* t
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)" l! z( t* K5 L8 X) H- X. M" Z H
if(trust-value > trade-trust-value); z3 I+ e( L8 R; D% a8 N' i0 X: X$ F
[set trust-ok true]
, M; V2 R; u$ `/ }8 cend
+ R5 Q+ r( ?. q; U* i: X, G# U6 o! b% M% ?. B6 a9 w4 v& ~
to get-global-proportion+ j4 l) b1 m# [5 I
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" P- e$ m7 \$ S[set global-proportion 0]
! n/ Q3 G: f9 h5 D1 b( l, c9 n[let i 0% u( g7 W/ R T, O
let sum-money 0 u4 R: N8 Q5 y3 l
while[ i < people]- s% K4 J8 ~! @+ ?) c+ u" Z
[
: R" Y, A" x+ i/ m! P5 E: Fif( length (item i
0 f- B2 C( l3 Z( u/ S A$ G2 b[trade-record-all] of customer) > 3 )( n k+ L' k% ^
[
9 v- d* P# o2 Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, B/ K' S7 t0 h6 I& z7 r]: L+ K/ i1 [% _2 M" ]
]
( h) V* V4 {1 o+ g4 Klet j 0# D! `" a) A6 |. ^
let note 0% S8 A5 Q4 p, J% x
while[ j < people]' B) e3 H( b6 A3 k
[
; w* |) X, V" i* Y. A0 c% hif( length (item i
. \- b- Z$ [1 J {! ^[trade-record-all] of customer) > 3 )' ?& c# d' p! O" `
[- V# ~5 ?3 S+ {3 I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
- A; C7 n8 z4 G1 m; L; ~% C# ^[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]3 R7 [: g5 q3 L* S% u( I
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]; S& M. u7 Y, M$ R9 V4 [% s3 H
]
, b+ o% G$ ]( L; O]) T: u! w1 \0 i- N2 M3 x% |
set global-proportion note1 ]! A, q- [0 g( T0 i* {. y
]
0 B6 ~& H' H6 k4 v$ `* W* m5 cend
S* [9 E; I- p9 Z% o( s2 x# C4 A. O3 F( C
to do-trade C1 M- \% ]) C
;;这个过程实际上是给双方作出评价的过程+ r9 S) a# G* _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- s1 T* E6 p$ h' C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 I- l2 a; U3 u8 ?! P3 W9 c: \set trade-record-current lput(timer) trade-record-current
4 \3 `: W; X0 Z;;评价时间
5 y' ^2 K; S2 V" O+ `; Jask myself [# b! h" x; b5 Q. w( Y/ I9 G
update-local-reputation* Y) ~# z8 y4 u1 I" x
set trade-record-current lput([local-reputation] of myself) trade-record-current
- Z1 a0 o+ A2 }* A. x; d+ Z6 H+ K]& U( I% }$ |# v/ @' V
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" k7 W; d% p- t. D- N) }# @;;将此次交易的记录加入到trade-record-one中
$ m/ @% ^2 C7 C0 c1 R- S" _0 ]6 \set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 C* @1 y& B' c$ w9 Y6 i- I1 G
let note (item 2 trade-record-current )
# w! k8 C* w; _5 e/ y: yset trade-record-current& Z/ i9 s, g* ^, A. F7 N
(replace-item 2 trade-record-current (item 3 trade-record-current))' B2 J1 ]+ |% W0 o) p) n
set trade-record-current# Q/ N" D m; l9 ?; p
(replace-item 3 trade-record-current note)
1 x, B# K- w+ h/ n% w, w6 s, F8 @, Y+ b ]9 `! ?
) b6 Z- x8 \% ~2 l0 N+ p
ask customer [
+ g ?$ P2 u5 T+ T" v0 Gupdate-local-reputation
2 z- n) g# j: @ w: X& \set trade-record-current) a9 p( M; A( {6 d3 H5 p
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 N5 w0 I* a8 b- ]9 o# e]
% a! l5 C! _% e. P: X& E, F* J6 i
6 V. c E5 S4 g; K) T$ t$ M3 B
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 n1 ?. G8 J, C/ T! Q5 `
8 ~9 \* Z, s- l8 h' o3 m, _set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 H9 H/ H4 Q( m. P
;;将此次交易的记录加入到customer的trade-record-all中
7 y/ o% e7 R* r: n5 e! zend E! X- f0 j! F! ]/ N. D
* i% D: _* g9 l0 B0 p1 fto update-local-reputation5 d; ]) Z! A/ {7 \* l& o ~! R. S
set [trade-record-one-len] of myself length [trade-record-one] of myself- k, b3 p$ [9 P! J) q7 E+ \: H% B
, Y% B" w3 C* a2 `4 s
: O, T3 [2 A4 M;;if [trade-record-one-len] of myself > 3
# \3 x, n9 Q6 o+ Tupdate-neighbor-total
, U1 t6 B5 c; l& e7 r;;更新邻居节点的数目,在此进行) ^! ~: P% o8 ~. P. W9 U
let i 3
0 i; C& i8 g2 Zlet sum-time 0
' F4 I1 _7 K! y2 A7 |while[i < [trade-record-one-len] of myself]
4 U; E7 Q5 }7 L- C[
i( e# g$ H3 M% x/ c2 r. \ Tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )+ R, t) R; y0 E1 A
set i# P/ B8 ?# L6 p3 u
( i + 1)% y1 d' K% R# N0 ]5 D3 g9 A
]+ x2 _8 k5 P q9 S7 P0 q2 s) e8 K& n
let j 3
% k l: @: L+ A9 R2 p: Rlet sum-money 0
+ U! r! p" S" ? n$ uwhile[j < [trade-record-one-len] of myself]
' k% x+ ?7 J+ U1 L* b[. v" }0 Z; c I& M1 j& O- d
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)
* c+ T- w) ^" x1 cset j$ ]$ H& }" G. _: M2 ^5 I f
( j + 1)! F! A3 c, \: O; r2 i
]
9 a5 e9 r7 Q. j* s/ Jlet k 3
" Z% o x, G' w" g5 H5 klet power 0
6 E2 z* v( \) w4 plet local 0
/ Y$ m, M* ^: O) }; Gwhile [k <[trade-record-one-len] of myself]5 M0 C* H1 t c8 x; `0 S
[& p9 y i. F" ]3 t/ T- P
set 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)
, w0 f7 `# r: X% k+ z* v* Cset k (k + 1)
, S- p( u; d, R/ O; T]+ S8 \$ R* m0 b
set [local-reputation] of myself (local)
* B0 J; V! r! C( yend7 |" P! ^3 D% X" s! C# ~2 |
: P, B# N8 R7 V" D( ~to update-neighbor-total$ L3 [/ ` r Q3 d
/ u; v [, A. Uif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ w/ I) T5 F0 J5 Q) m
( o+ j' N2 Y) m! m1 V( t* g
" Y7 R# x( V$ C* ?9 ~
end
% N* ]; B4 g& x( B7 x q
5 r5 e' _# ]2 I1 l6 {& d6 xto update-credibility-ijl 7 Q) m" N4 v4 Z& r9 W1 B
9 ^ l6 D0 Y) J. {;;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。, b$ ?# o+ r, s
let l 00 I* a2 } ]- o9 W) K5 [; J" x
while[ l < people ]
1 g( ]$ H, m0 b! {* N) T* X;;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8 X+ p5 b8 f6 I) U
[( d0 [2 m/ p1 ~
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# s4 k+ x8 P8 s4 R3 y
if (trade-record-one-j-l-len > 3): w7 d9 w1 p, `' S
[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: t- s6 z4 f4 M5 S( a
let i 3
4 {, L* N, C, |/ M' [let sum-time 08 O* r: y; A F8 k- i# h6 i
while[i < trade-record-one-len]
) _4 u$ N+ _, L# z9 z[
; N* m- Y: [# j' o# uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) T9 y; \) R( x1 S* x$ S
set i
2 T: _' L t" M' B( P- \2 A( i + 1)+ ]+ t% T4 F: I
], Q" w% u, C/ s. o; H, E
let credibility-i-j-l 00 S) v1 c3 h2 S! N! ~# }
;;i评价(j对jl的评价)* ]0 e" m% j8 L; U* V" M8 y$ J: |
let j 3
9 C6 c1 b9 ?! Y$ glet k 45 Q3 ]1 y1 c0 @
while[j < trade-record-one-len]+ C/ j* L j) {
[
5 `: ?8 [# v; E' rwhile [((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/ s9 Q& P: I |! a" l! w: D6 e
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)3 k' \7 ]. Z. h6 ?3 o) U' X( F
set j
% B0 Y5 H' U& |# \% {( j + 1), u/ K( O) T, _$ y2 b; I
]8 H1 L! Y3 z4 y1 R8 ?
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 ))
( r( e U5 k' S, C v i
: h1 P# V: @- V+ ^; z" r" I V5 a c) }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' `' n7 X4 s' Q. r;;及时更新i对l的评价质量的评价" w6 } p* d# m
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) t+ \2 t+ H; H! j4 p8 q3 g
set l (l + 1)
. X. D- D( G3 t: o]9 @; Y1 K# x7 L1 P& P# x1 q" E
end q4 p: E) x; z+ O! A
' @* ^; t* d7 N" Pto update-credibility-list
- A3 I$ ^, A) R. s3 Q$ e" Zlet i 0( d" A+ Z! U/ f. F& u
while[i < people]
- a/ I, F$ _6 {( L- F, G[7 j. x, E9 d: C0 v9 B5 q+ F
let j 0
: [ {9 h" n# @let note 0. |- j( a( t8 \( [1 k2 }5 u7 I
let k 0* b5 @! Z& y; W
;;计作出过评价的邻居节点的数目9 p9 j4 X3 P- q
while[j < people]
, _5 c X5 }3 Y8 `[
1 h- E8 e1 F! a \ Mif (item j( [credibility] of turtle (i + 1)) != -1)- x# j7 R6 N. k- K2 g4 _
;;判断是否给本turtle的评价质量做出过评价的节点
( M0 u3 r$ c# I- h0 E6 v[set note (note + item j ([credibility]of turtle (i + 1))); k( k2 B2 i( p D2 u- U/ f
;;*(exp (-(people - 2)))/(people - 2))]
, c9 B" V9 {% ?) s6 Oset k (k + 1)
w& u Y' I" r2 J]
" H0 M; E; N# Q. j' Lset j (j + 1): y& o) m+ n A& v/ y5 X* x
]4 i4 Z: I0 e, w1 p, Q. q- y0 b
set note (note *(exp (- (1 / k)))/ k)- `8 s! s \. w/ h* }/ z7 J; j
set credibility-list (replace-item i credibility-list note)
/ s5 \ N+ d1 `+ lset i (i + 1) M# V7 q: o, p- Q$ ~" ?
]
# \' w T; w; Q: ]1 ~8 Lend2 t I$ u1 a, {0 V! T0 U
2 l7 n) o! \; ~& H7 P
to update-global-reputation-list- K6 z0 \0 I8 w9 ~2 h! Y1 }& ]
let j 0' K" }; c3 G5 Q& r# D5 O1 l
while[j < people]
8 m [+ T M7 }/ B( g) c[
; Y% U! l9 `8 {( a9 {1 w+ W7 w$ v6 flet new 0) O( W0 Y F) M8 Q$ k( i. ]) B
;;暂存新的一个全局声誉0 O, G. b# ?8 L# w5 f/ Q2 I7 L
let i 0
( k1 C( n8 K0 r4 `8 [: }let sum-money 0( C8 A9 |) ~% T/ B% X2 P- P0 B
let credibility-money 02 w; v; B8 d6 x: u$ M2 b! b# |
while [i < people]
P! R% h! C6 W+ H& a0 }( }[3 p# T. p; I2 o# s& m3 U/ J% t% |
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' I5 R1 M) q( F& E" T: v3 I& y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 }) k) L5 l4 p/ qset i (i + 1)
; o6 q* h' Y. D; M3 f b! |]
+ e* P2 {) @" E) Flet k 04 [4 ?' _- G/ i7 [
let new1 09 C! v2 B3 ]+ _+ n$ e* n- ?
while [k < people]
* J& t& R+ Z% e" T. M[; [4 f+ G# l7 ?
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)2 s5 _; {" d( b! ]
set k (k + 1)* Q9 n2 N1 D- g- p4 f
]
6 L! W% Y! I- V/ a+ I3 X5 M% Vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; u0 O- L4 ~4 C* U& w
set global-reputation-list (replace-item j global-reputation-list new)6 d5 ]- }* y# V [0 U
set j (j + 1)3 [9 e" e3 `2 J) r" K+ N ?
]& W! S0 L" l$ v
end
; x0 @ Q0 `8 B$ y/ o
4 ?. J* G Z( l s/ y& u3 D( i, @2 A4 k# R V4 O' X0 N3 n B7 h
" `9 o" j8 X, g+ Zto get-color
, g7 X: B7 a; v6 K7 V: ?1 y z
/ ~8 H, p' a* ~) Bset color blue' G3 _/ Q, \+ @" ?' G0 |, m
end
) | A. d( N& n" Z4 M' [' J2 v% h8 F# K5 B$ w7 K* Q% T' e% D6 Y
to poll-class* q* W9 k$ |- @9 X2 d
end
7 ?+ g* j* s0 F! x) S: y2 q8 P$ X" }6 }/ W$ X$ P
to setup-plot19 K2 l! i# _' u+ P( u" ]
( b) ~' g' f2 ]# [* @" i
set-current-plot "Trends-of-Local-reputation"* x0 p% V3 m* \, \
! ^ T: O" s; w* N! G& i0 k+ \" y
set-plot-x-range 0 xmax
0 ~2 D! S( D8 I" q8 G
/ N) t9 t1 S gset-plot-y-range 0.0 ymax0 V( {6 ~: g; O
end
! p8 e7 V) }6 Z) y( Z' Z$ Z9 s0 ?
( K4 d) P& o% `+ G9 w. v% ]: ^5 U& Mto setup-plot2 _0 ~8 {. }+ @$ @; z5 ~1 o
7 [1 |% N* [) b$ M
set-current-plot "Trends-of-global-reputation"
" c# a) k. L7 ?0 v) F
" v' V- R! ~& x# F: Hset-plot-x-range 0 xmax* q d9 f) A' E; J
7 s! v9 X9 |" Vset-plot-y-range 0.0 ymax) r' x" j8 A, Z) k$ O
end
: H! W+ l4 w9 b& ?" L$ F- a7 U; L1 ]5 d6 S9 P
to setup-plot3
- e8 w) P3 n* X) J
) `6 d( b+ n* uset-current-plot "Trends-of-credibility"
- I; E5 ^/ C' Y! H3 g
* @9 Q" Z7 B/ t- {2 _, ]3 Lset-plot-x-range 0 xmax0 t+ N" K/ x6 v
; M' H6 f. u6 u. a8 W! v: t
set-plot-y-range 0.0 ymax
& @% ^7 l5 ]% C/ W" rend; g l% i9 E7 I' [4 T0 V6 w' p
( _+ \# c/ t# r1 F* u( f) M( |: Zto do-plots- ?9 [! T: M* R' b3 [% H! s
set-current-plot "Trends-of-Local-reputation"
2 Y1 J9 ^; `9 K$ K8 T: Lset-current-plot-pen "Honest service"
; B! g6 W# v0 Z/ R/ j& {4 V# w$ wend
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' T" Z- V0 P0 q6 \[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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