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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+ B. c( l% i4 ^- o# w. r4 h
globals[* r t3 d Z3 c# ~5 @9 v
xmax
, C# i" d/ K( D& y6 J+ Pymax" L2 ?$ k4 K/ ^
global-reputation-list; h* q- D* t. y) L$ \
% [& ]% Q+ S& {;;每一个turtle的全局声誉都存在此LIST中' U, ^3 S0 n1 {1 |5 o
credibility-list* _3 h) D+ u# d, X; F8 Y
;;每一个turtle的评价可信度
! n7 h1 z2 n- w- P& v; v7 Bhonest-service
- G" C8 y" t0 m1 z1 O% n1 Nunhonest-service
/ E" L, @' V, `+ t, s, p" k( Joscillation3 {3 X% ?# U3 }9 _- ]; i/ J6 ?! ~
rand-dynamic
& U' Z/ j4 v0 p) E7 y+ s1 ?% D: n/ G]' d6 j% j( q7 Q; n# Y8 n
, ~- \/ z2 z. V; J1 e' q+ }
turtles-own[
, m: [) f2 K& H9 M' itrade-record-all
( [# l) _: [/ N5 u0 P# E+ o3 p;;a list of lists,由trade-record-one组成/ O9 m6 G2 \% u7 F0 D
trade-record-one7 o( M2 J/ Q5 l" J5 i. u/ o& K' l9 v
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
4 Q! \& z& C/ E2 `. E
. L/ f6 R: k; N3 u; x. l+ c# |;;[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]]8 ?" s! i x+ Z* e( y4 F4 U! 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]
& J$ S" u' }" S. [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! Q2 A# {2 v0 A6 s) K
neighbor-total) d- ~5 j, r4 O: `9 G# J7 n9 }
;;记录该turtle的邻居节点的数目/ G, ^: v! P- P M; f$ y% c
trade-time
: w6 ?- {& b0 }. a0 u$ C;;当前发生交易的turtle的交易时间
+ {" v& v. B" h8 w" Uappraise-give" d' W4 @! c! M. @7 `
;;当前发生交易时给出的评价
7 K- e: _3 e) ]- r$ t+ uappraise-receive
) P9 r4 `9 G0 K% S0 i;;当前发生交易时收到的评价
/ t. b# [' p( a4 ^appraise-time" w- ~, u8 {8 R, f8 J4 k" u8 w7 s
;;当前发生交易时的评价时间8 d; i! N) w, V: `7 `7 d% W
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 s; c& `+ N, \7 v( P% X5 f" K) i
trade-times-total
! K& ?: l3 X+ B1 `4 l;;与当前turtle的交易总次数
& _5 R) ~9 C. a$ g, ftrade-money-total% }# b% G6 p9 T2 Y" ?0 f$ L, U
;;与当前turtle的交易总金额
0 X7 a! M) o% ^/ Rlocal-reputation7 W4 d; t4 H6 t
global-reputation
* X8 U: D! B! Fcredibility
+ Z2 e$ `. k6 \. a$ D9 V;;评价可信度,每次交易后都需要更新/ `0 T% }0 F0 R
credibility-all5 k# P6 i2 W9 k4 @, N% B% G) E
;;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. q" C1 z% p p7 D; ~
/ Y! t' f |) G/ ];;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 D9 M: s! d( W1 H& B# N& t. Jcredibility-one
( K. n2 ~; _% h' y- Z+ 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
6 C" t/ M& Q& fglobal-proportion7 \! [; `& }4 Z+ O- A
customer
( C' |! @( F+ N+ _/ J3 rcustomer-no' m6 D C; e. b' N, g/ Q8 E6 X
trust-ok
% i1 y2 Y" N# `' ?trade-record-one-len;;trade-record-one的长度7 f* `- P1 T4 S# a
]; F2 M4 e+ s7 l; [4 l- r
1 u7 c* |9 A7 Q' ^8 e4 x;;setup procedure! Z* u Q, n5 X1 M0 v: g
0 a& e, @$ {9 n6 N
to setup" H' } i' s" b% |- ^% O* Y1 Q
0 f9 \9 ?9 d7 m) `ca" t m) Z" C% s \2 J& R
# _- }3 y& |! h' x
initialize-settings
3 T$ p) t2 `' e/ H4 I1 o
- H3 E. N4 m# ~' |" Xcrt people [setup-turtles] U |5 k4 O$ W5 w. C
/ ~+ w6 w8 }$ y; h4 S' mreset-timer3 r* h( D& `' [% K# D1 o; m/ b' D
- A; D$ K! ?6 Z2 c9 s3 Upoll-class
; ^+ ~ Y0 a" y3 `/ L9 B/ W
" [0 }8 ~* Y$ i2 L" M/ Psetup-plots7 k1 [) g l( |1 M0 C" _* g
; M, K! R, q+ q! W4 w
do-plots
6 C* U$ {3 a; Z4 q8 Xend
/ S* N5 d$ T6 f9 S5 z3 D1 @* H' j4 p, I
to initialize-settings
/ C/ r4 R3 A+ _ M8 N* l/ f- a: q# d5 G! H6 O# G h
set global-reputation-list []
/ M; F& A1 E7 N [5 e- G* ?0 v* q- Q& N. R) m( S
set credibility-list n-values people [0.5]
9 u* L' s2 t) O0 D; @3 q! m' u
- H( `& z$ R; V* O; e2 t* tset honest-service 0/ L+ j, V* b6 }) S# ~
) A7 `" ?: y4 _7 d- t3 X
set unhonest-service 0
; T8 H6 y& c4 U# U8 [* B
5 ?) M. N. ]3 a- U$ ^set oscillation 0
4 ~% w5 i2 |& S/ T- `! T7 [ u& B, S5 h+ m6 M2 @
set rand-dynamic 0
+ o# h7 |1 F8 A" K" z' P5 u7 @end% L5 I1 F! o- p8 U7 |5 e6 E
8 _) T( c: F2 r8 Vto setup-turtles
. m, E7 v6 C Sset shape "person"# _- j' [. s/ V( k
setxy random-xcor random-ycor
8 o) j3 u7 Z' Dset trade-record-one []7 V, G* L: X# z- j0 n& B) J* h
$ m' Y+ c7 N! k# W7 a: \7 q& [. nset trade-record-all n-values people [(list (? + 1) 0 0)]
5 o' ^' W& U0 b
* [' Z' |$ i a9 xset trade-record-current []4 X6 R2 a2 P Q$ U2 W5 |
set credibility-receive []# `' S* c2 b+ F% `' m) o
set local-reputation 0.5
1 c+ d5 N* j. {# c, z+ @, r$ vset neighbor-total 0* S* z8 j7 ^' V9 G0 l
set trade-times-total 0* q; `* G0 E' ^2 ^5 l
set trade-money-total 0 T: B8 Q8 i4 b) `$ c% e
set customer nobody5 w% \6 M# n- `' t( [% x& T
set credibility-all n-values people [creat-credibility]
% B. ^- p$ V% t. dset credibility n-values people [-1]4 {0 S. _$ n1 R4 d' C+ x7 _1 M; } A
get-color
5 N, R# P3 G! ~4 f/ l
4 m2 ?# N) w% T0 N, p/ V' [8 A, wend }# U7 o3 _. r! D% O6 x- ?# n
3 b6 {2 G2 K' U# ^0 m2 S) e2 Q
to-report creat-credibility
: n' X t n! ]/ M# w7 ^report n-values people [0.5]/ F1 X/ v2 a2 t1 t- t
end
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to setup-plots f% r2 ]% `8 b& y- @( s
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set xmax 30
5 Z8 X6 u3 H& c9 A; }3 J$ K( V
5 I* e6 }; t) o) vset ymax 1.0
" Y1 g4 x2 B6 b7 L% T1 ^6 R7 M& r2 _( W. @5 Q
clear-all-plots
6 a6 t* X0 b; M) ~% j
Z" H8 d0 p5 {0 M* ]/ Z2 j8 Z- Hsetup-plot1- N6 u0 V& ?$ r# f9 d
" \2 ?8 F* f6 V7 C0 Msetup-plot2
2 ?9 }1 T# t: r8 y' r) \3 A% p: z0 O3 j( X7 ]4 q! K
setup-plot3
2 h& U# m3 x3 O' J; D8 Cend
# G0 a5 R- M5 ], m9 W y3 O
8 ?& W6 w# _1 ?* z5 K2 ?" L;;run time procedures
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- ?, s. ^9 U' O! Y& k7 jto go9 U+ U2 u2 G, _
3 M: V J- x; w& ]! Sask turtles [do-business]+ i1 r* J8 g" K" l
end8 x& u9 b$ N3 t, W- O# Q* f* l) f
) e' r' n5 u8 Gto do-business 2 K1 l7 G; B9 Y: M% [
9 r/ e6 Z" z" j, ^7 m Y
" I2 f8 n( U5 xrt random 360
- \9 C# C9 b; v8 `4 e0 J. d3 C) y( |* j
fd 1. x; m ^, Z! z! ~
8 K# q6 i+ X. {6 w& J3 fifelse(other turtles-here != nobody)[
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: h; S& t, E$ P T+ h' l7 S/ g) B) {set customer one-of other turtles-here
+ D( `) B1 a& `" ^% j, G4 y' U6 W0 {
;; set [customer] of customer myself/ b! u2 R9 `( N% ^$ q7 U
: x/ w1 K2 p* U* ~* O2 M6 Q
set [trade-record-one] of self item (([who] of customer) - 1)" h) U. P; A% _$ [: ]2 y! A
[trade-record-all]of self
$ K' Q8 {2 T+ j5 R0 H7 P5 x5 i: V;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: W! w* O$ E, T0 Q' f& x
0 ^) e+ x/ g8 @set [trade-record-one] of customer item (([who] of self) - 1)
* F- L. p0 B6 s. H `* M2 e[trade-record-all]of customer% L1 c% E/ C% ^! M0 f: {
" g+ g, t# @7 |7 Q0 A( Z
set [trade-record-one-len] of self length [trade-record-one] of self- t& p' q4 T: Z6 [% k
( I9 p" ]7 K6 T, {set trade-record-current( list (timer) (random money-upper-limit))
: j4 Y7 f: j/ s* {( @
( b! ~1 R1 T$ y6 T6 E$ C' D+ lask self [do-trust]
7 S! U6 ~" E3 x0 w;;先求i对j的信任度8 W3 B* I* H3 G8 D$ x3 ~) j7 P
% Y; z0 U) b' w8 ^5 ]. W
if ([trust-ok] of self)# u) R7 I" H0 t# r+ I, x- h+ Y
;;根据i对j的信任度来决定是否与j进行交易[8 J& [0 G4 p1 C# _
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* w4 ~; m: p3 r
, ~; C1 Y& A2 F% P( X[
/ @2 p: E6 m/ h0 X
9 g2 b' G0 x( D! W+ m5 Hdo-trade
6 V2 { U# U% p; u$ I$ M2 s" G8 N9 F. b% {+ \% r# f! ^
update-credibility-ijl
v9 D; R7 l" Q# q6 ] q
8 `. l0 q+ M4 H+ ?$ Lupdate-credibility-list! p+ N0 d+ {, u0 i( \% f
+ X6 N0 P# g3 k1 e) ?1 X$ M
- u/ t! q% e% V0 x: P; Mupdate-global-reputation-list5 N$ d, c! P& r5 ~
6 X" `$ E/ v. w0 j, `! ?5 kpoll-class
( F( _& n, L' w' w" J8 |# B% |1 s& F9 j! J) L
get-color; ^. s! F3 C$ B" r
7 X- _3 ]; \0 H) o/ q]]$ Y/ Z. i ^) e$ Y
4 Z) i" q+ z G( u9 `
;;如果所得的信任度满足条件,则进行交易& `; s ~& [0 t' Q, g
; E# N$ O& t8 S1 w
[5 C( ?! i2 d+ |! B
0 z0 T6 l E% mrt random 360
( |' e; l" G: ~ q. _! Q* d' Q
% J2 a2 B$ \0 {4 qfd 16 x& w: ?$ J2 B! F5 L' l2 ]
4 K. p% H" h. R]0 ?: J6 |! c. J w/ d3 Z4 _
# D" b- U, ^- Q+ C! J0 m+ Oend
: j' O9 x- Q, ~( j7 G
F0 v6 o6 f z& O& v3 Hto do-trust
! c1 s+ u4 ^2 V- d g' mset trust-ok False+ c+ P B" F- Q7 e6 \6 @
% m, t! l. J1 E: z* `; Z! ]
4 I, R0 @2 F8 H
let max-trade-times 0+ F* M7 K6 K, |3 s, W! l7 O
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ t, J; [4 I8 X0 d" hlet max-trade-money 0
. Q3 O( u/ b6 R) W' j* P- f3 Rforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: L6 t/ P e3 o5 Ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). J% D& D) ]8 R
' w& Q. J! Y" |3 z3 H, o% `4 b9 k5 a
get-global-proportion
; `6 x" c. ~3 `let trust-value
; c) X( c3 O% Ulocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ O8 x) Q+ s- ], ^! ?) o ~if(trust-value > trade-trust-value)
& }0 f% v" m1 M/ `# N[set trust-ok true]
; T7 d" l7 q. c8 W) Tend5 H I: P+ d1 l+ U; e. ?
3 e( r3 n6 n# a+ h+ E8 k! gto get-global-proportion3 a7 O0 }. w- a) b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' |3 r) B/ D( x) `# X( N, E
[set global-proportion 0]
x- C' f Y6 @[let i 0
* @, \& C7 s C4 wlet sum-money 0: j+ }0 a! L+ c, f9 a
while[ i < people]6 P4 ]3 n/ O" x3 m* k' q$ q
[
^# z' r. d! i, aif( length (item i8 `, s) a4 E& J6 O+ L; S
[trade-record-all] of customer) > 3 )
( i2 F9 k% @0 q* J+ M6 t& N9 w4 X[9 @3 Q/ g$ G5 r$ ~ W6 G2 Z# ?/ F
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, U# e5 s& m$ }+ G7 W5 y8 K]
, X5 @) m" L6 _5 H]
( D) I) E! x* b' a3 ulet j 0" \" o) U' O9 G; Y
let note 0) ?" P8 r" K' Y0 B6 ~
while[ j < people]5 i0 c+ V& d: q
[
+ k! j6 n! C% p. cif( length (item i
2 O; U5 s( P4 e. M* O7 r! h[trade-record-all] of customer) > 3 )
1 V# f( j8 E# Q9 l3 [2 f[
$ {8 e3 d6 |% u) Q. S- Y/ T" m* Gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' K9 q( h/ z' u[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" [6 Y! t( f$ Y" D: R& [
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 o' d, _* c5 v- l
]
. m8 n9 U$ H! w! S]7 x& K& G/ ^- ]7 k; z
set global-proportion note
0 H2 d; B K/ z$ `- m$ I; I], [; X/ e! V! {* s2 A: j1 O* j
end' c2 g, B1 y1 X' q) ~% Y+ h4 O( s' w
2 @2 s( O4 [$ }' [to do-trade
$ n' l) y0 ^$ F9 e7 j;;这个过程实际上是给双方作出评价的过程& I% A! p$ t& ?* @% `4 v/ L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, V3 r6 w- g" I k1 p6 Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* S- e% }. L0 u( Eset trade-record-current lput(timer) trade-record-current
% ]( x; h9 N' a3 ?) _2 K;;评价时间4 ^ F( Z0 u5 E; K) T
ask myself [) b2 N6 U# K1 C7 ?" l
update-local-reputation
3 Q9 ]! q; R* O7 S% f, ^set trade-record-current lput([local-reputation] of myself) trade-record-current* E( g8 J$ T& ^" \* B
]4 v \$ Q1 P ?4 N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, c2 f# W5 r$ k1 D;;将此次交易的记录加入到trade-record-one中' d W0 P) W6 W% _! @4 m: D/ v
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 S( U* b: a/ V+ `1 \let note (item 2 trade-record-current )
% X* {- ^8 j* |; `& Z( Qset trade-record-current
& Q3 c6 |, _! m% ~7 O(replace-item 2 trade-record-current (item 3 trade-record-current))
4 z' w( Q4 A- f: _set trade-record-current% R4 o$ X `+ E" J
(replace-item 3 trade-record-current note)% |3 @- X' [: u- h4 F. x
# p9 w4 \- i) r5 Z$ [
$ N! p' {9 l; |- M% I7 task customer [
$ V% T) a8 G" m( iupdate-local-reputation
! j* i J" M2 E- @& {) ^; gset trade-record-current
) e) i* w( @+ i(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# G7 [; n0 q# I4 K. I]1 d# _9 e& `9 q# Q7 [ X
! D6 x9 o, O+ r( J3 _9 T, x
+ @! {9 r! ?. [4 X3 J9 T5 P) D. j- Kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' j0 T' `2 o# t' X A: N5 Q
$ D% q5 c9 v4 G0 G, F& `
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) J% |% H" W% s$ [+ k
;;将此次交易的记录加入到customer的trade-record-all中0 V" E, I5 G6 W3 H: a
end. w0 B6 ]( w" h) s8 O7 \3 [5 n
( f" W9 o4 `. m# _' W3 }to update-local-reputation
s* f" s$ R; }; ` L: `. [$ Xset [trade-record-one-len] of myself length [trade-record-one] of myself& y2 h4 s' Z. w& y; o, n% b# {; s2 N
h, N! @# i z- f- c- G. c, b
9 B# p' Q1 ~4 P% J1 A;;if [trade-record-one-len] of myself > 3 0 j7 D8 f0 D) Y( C7 k: @
update-neighbor-total( n- }! |( i6 u e# D
;;更新邻居节点的数目,在此进行1 ?- l* V2 x0 P0 ~5 q* p* v6 m/ |
let i 3
; G& n1 |9 h( O! ?. D$ _let sum-time 0
# m9 n% u% K8 E; Gwhile[i < [trade-record-one-len] of myself]& H7 z2 T. ]2 {8 d. ]0 d5 j
[
5 P/ Y1 S" D# z, s/ N2 c2 tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ p7 Y0 `7 D4 T. j. ?& L
set i
$ p; P& T- N6 x; Y/ t2 g( i + 1)# e4 f. U, a0 O( {2 B, D. R! z
]$ P4 H1 K# L2 C3 @7 R! U
let j 3# v9 `' ^) [0 E% q
let sum-money 0
& d- {& K7 E: ywhile[j < [trade-record-one-len] of myself]
( P! x3 w+ k( F' w0 E2 E# A[4 Z) N# p6 D! m$ O7 [/ _
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)
3 r+ W K1 T& m9 n ~- k2 q i7 sset j
7 V* a2 ^' E+ \3 V( j + 1)# L3 s$ S3 o6 O! P s6 s
]
, N _( n3 v" T1 {let k 3# _) f6 U- \" R i' }
let power 0& B( |) Q2 K7 T0 O" d2 Z
let local 0! }4 o% j* T; q$ O0 i+ ^
while [k <[trade-record-one-len] of myself]
! B! C h6 E. O0 D) U- T[% d% f% T/ Y7 \9 O
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) ! s+ r: _( A1 j7 x- v" H
set k (k + 1)/ ~4 X& q; H K
]1 ]$ f6 V) T0 D. g
set [local-reputation] of myself (local). F7 ?& X' H" T, x) Q
end
( ?' Q+ R/ e# W* D8 F! v4 R) U# Y0 I: d7 k: L1 B
to update-neighbor-total* t0 F s. {; p) f
3 h$ @ Z6 [% k8 i# ]: Xif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& Y7 ^7 Z f/ p) y
' e! r: L, a7 I* O' z: F3 @
% a0 {5 H- Z* V' J5 k2 e3 Rend6 X1 B9 k+ t) L
$ o! t: E; M! I/ U8 Z
to update-credibility-ijl % @. P9 ~# o. h7 j3 k, \
7 ?0 L$ k6 [" [1 Y" g; M( 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。
+ V7 D% \( s7 k7 rlet l 09 @# Q( q$ z7 |1 p
while[ l < people ]9 _3 B' L) W( B; u/ n+ w
;;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9 D$ S* E# o, e2 [
[
/ d6 S* w9 I. ~9 qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# X" ?9 P9 M! l" U5 X4 Nif (trade-record-one-j-l-len > 3), g$ a: A h7 W3 ~! D1 k' L& E/ n
[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-one6 c. A+ v0 c; B" `2 y$ O! W/ R# k( O, y
let i 3
' h. u, z- P0 h" L) @. k+ Glet sum-time 0
( a+ e. Q0 F& |* Gwhile[i < trade-record-one-len]
# r3 Z0 U' L% E8 m. q/ c7 v[
. _3 M4 w; f5 v2 x# f4 v1 jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- K+ S: b, D& y# qset i* _1 C1 o# T$ j" f
( i + 1)* }8 z4 e, @, f) ^5 A( b2 d! a* i$ z
]/ R, D% D2 t0 _. z0 n7 l, s, T
let credibility-i-j-l 02 o- W/ g4 I% g. g8 p7 O& w( I- ]
;;i评价(j对jl的评价)" j2 i& G; v! x7 p9 o( p @; G
let j 3" U# ?1 W/ V( T& I W7 d+ H( ~
let k 4
, h) J% ^. c9 P* U! U1 m3 i7 X" gwhile[j < trade-record-one-len]. f& t/ h) B/ q1 v3 g
[
& ^: b3 I) |4 w" A5 f# uwhile [((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
" n- H! L; S' E F6 Xset 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)
( z* P( [3 v: M/ Sset j
5 q+ W- c5 z9 K V$ z0 f( j + 1)0 C% S3 O, X8 ~' X1 ~" [
]* k; ~% G0 b! K! \+ k
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 ))
7 t7 X0 v1 U, N* }4 R/ o2 ?2 O- j6 j- ~. i
e8 N1 e3 J; c" W. d7 zlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 s7 X7 \# r0 \( G. D6 J2 r
;;及时更新i对l的评价质量的评价
: R" T1 d0 r7 a0 Y8 ?/ J: Z/ oset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]1 Z8 P5 T* T: b# p( ~% b, V, Y+ m; u9 P
set l (l + 1)& C8 `9 G4 G# u$ `
]( {- l. {8 C. {% P' {
end
+ f+ R$ Z" j6 ]5 C) k3 Y/ q( q. L, `& L4 f
to update-credibility-list e; d! C/ x7 a5 Q
let i 0
# f X7 c/ V& m, T+ Lwhile[i < people]9 {& d5 k) L# I4 {* F; h& E
[' R9 D9 d/ C" w# e
let j 02 y, ?) u6 l6 ?
let note 0
& y! M5 ^% P& H0 e$ W- Rlet k 0
0 ~3 X* d$ L$ F) C9 O0 \;;计作出过评价的邻居节点的数目* x: ?- P0 n/ O6 ]( f
while[j < people]
7 R6 K2 g2 w) ~4 V4 K: l& l8 F[
: W/ J! U- |* J. y- D. |if (item j( [credibility] of turtle (i + 1)) != -1) c( v7 N: _: A) y& h( k- }6 }
;;判断是否给本turtle的评价质量做出过评价的节点
. B2 q- J2 _+ B. L/ T* c8 E[set note (note + item j ([credibility]of turtle (i + 1)))" Q+ ?, N/ p! [ @6 q8 b1 b
;;*(exp (-(people - 2)))/(people - 2))]
& ~; x' b( j/ h/ n* Z% W R- jset k (k + 1)
4 h! ~ M0 H9 a( Q' [% h3 f0 i5 i4 L]" d, ~; ^( |. H0 I3 |# H; @
set j (j + 1): \. ]5 |. a% Q5 C
]
+ X0 V+ M9 }9 I4 u9 k7 q; Aset note (note *(exp (- (1 / k)))/ k)) C& ?" M2 f2 E0 @
set credibility-list (replace-item i credibility-list note)5 _' K" }( X) @
set i (i + 1)& D: a! h& x9 e8 I/ [% W. a
]: [' O, {0 ^ m9 E1 `
end
0 [0 Q9 W. f" B/ ?; d7 `$ ~" P' V p8 u% r; l+ M
to update-global-reputation-list! \& A; r- Q M) G& m
let j 07 B$ t1 k/ D' n; P" @& l5 u
while[j < people]
+ \" a4 h- t6 V; Z/ }# p[
( ? F9 Y: R3 T) B+ r5 P, t" Ilet new 02 u# M7 z8 B: i2 r M; y4 c! C
;;暂存新的一个全局声誉
: L3 g# k e" ^: w5 r( Slet i 0
% I! M! z4 {+ g5 ]. d2 Wlet sum-money 0
8 E$ w8 g' S$ l9 q! Q2 u- clet credibility-money 0- E/ B! [- q% W* w
while [i < people]
' n$ c5 B1 A! O6 B3 k; N7 e[
- b# Y A1 f1 d% Vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), n6 b8 ^9 u8 t& ?: r7 [: e4 R
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ @! H! M' J$ W' d7 {
set i (i + 1)2 L$ w- q4 [. v7 g
]
# y' \' Q8 I* W6 ?& vlet k 0
5 }, ^7 U( M/ C% }let new1 01 x: \' u. d: W6 A2 F9 {3 s
while [k < people]+ N1 C& \$ W( H, U h3 Y
[$ y5 x0 l8 c3 r2 Y# W k
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)5 n" o* F, p5 ?# r& k
set k (k + 1)
7 c: Z' y" C# V: w" V' R]
' P8 B' s9 D' V( G8 fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - r4 n/ Y- ~* w) q, s, K3 U: R# F8 O
set global-reputation-list (replace-item j global-reputation-list new)4 }( W* U# E L5 B" T/ ~0 y
set j (j + 1)
3 c9 L2 P7 Z( E0 q% c4 a! q. r]
6 {( }4 a( h- b) D: u6 {end
# S5 B( D( p1 [" Z4 [9 l
8 I/ N- e( x5 f; V
1 V, m8 _: j& z. b
( K% y( h7 Y' d7 x* D0 sto get-color' f0 e) S0 ^, N1 Z& A
4 l; G/ Q! E! D2 I6 Bset color blue
. `* B, {+ b' A- @" l4 Pend
! c: m% Y7 G( Z
( e- }2 x/ n4 A. }7 eto poll-class
: |, O# M: c7 V" Nend& c# y2 W' G" E( y
# ?# x' Q9 @9 ~) J4 u% m0 ]
to setup-plot1+ z6 m; N3 T/ g
1 s4 A3 A& ?1 E6 y( n+ {1 x1 _8 vset-current-plot "Trends-of-Local-reputation"2 {' K( P! N, t8 z x& b# x- S
# f' z2 ?" @, |" Iset-plot-x-range 0 xmax
$ n/ W8 N' z% H) }, f! z$ O
+ C! }* J- Z- G- Uset-plot-y-range 0.0 ymax
' V) I- E. ?9 qend% x4 p/ K0 ]# H, W5 Q( |
1 W' ?% x8 _9 O8 B& Z' W r
to setup-plot2$ W. D6 [; S& R* Q$ Y2 p: O
. E* u$ y/ F- _+ ~" \set-current-plot "Trends-of-global-reputation"# V% v* a$ C% M7 Q# e
7 L" J6 d8 N$ i. @6 W) fset-plot-x-range 0 xmax+ t7 c; z* B4 U8 V9 }2 b7 b0 O/ k% k
4 B- D8 y# z$ g$ a2 c
set-plot-y-range 0.0 ymax# K* ^; U5 g& G- n
end- A$ _- y: Q% q! d7 ^- T
( x' F% c* n* I. ]to setup-plot3
/ [3 _# Q$ h, O3 ^+ }3 g4 t$ {: J
set-current-plot "Trends-of-credibility"
* G* z' h: f$ G8 n) y/ E; T& R9 S7 g6 f; D( j
set-plot-x-range 0 xmax8 _, h: l! I0 A _! L- s
) ^# K8 x# O; I% t b; Mset-plot-y-range 0.0 ymax
/ o- f S! J0 yend
1 l9 a# j" y4 N" b; b* h# D, R0 i! T0 R" w" P5 `' R2 d5 `
to do-plots
6 a9 P/ {7 `8 u; H @' _5 o" lset-current-plot "Trends-of-Local-reputation". e4 g: P" m. s/ \) [
set-current-plot-pen "Honest service"
. Y1 N! ]- f1 |; Vend
0 J" j" c( N( X: q0 A2 a( L( x6 o: _0 Y3 J8 O. E+ Y/ @7 y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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