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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
# u: P3 D) l$ E+ I' l' C* mglobals[
2 e G* f/ m! }* h- bxmax
8 K3 F' ?1 r+ kymax) r3 ^; Y, [, ^8 Z) x
global-reputation-list
' o( k3 r7 L9 _* f5 a
; e# W8 x$ D5 P" P1 G" Q! k;;每一个turtle的全局声誉都存在此LIST中) r) O1 A1 e5 q8 ~+ b# g8 k
credibility-list( v# j5 ^( {2 ~* r5 F" A% G5 y8 [
;;每一个turtle的评价可信度& a" u# P( H; \' O
honest-service9 e( x U2 s* p' E
unhonest-service
3 I9 w3 ^7 ^3 c5 L2 l; O1 }oscillation) U1 L" i/ P" }# ?8 @
rand-dynamic; V' E+ B4 |; C2 T2 z% U
]. K3 } K8 b4 g, Q2 F
* l2 a! G" R. y/ Dturtles-own[1 U8 h% k& _+ D6 R2 q8 e0 C @2 v
trade-record-all
( f0 \1 V. ^# D" O3 I9 L;;a list of lists,由trade-record-one组成6 i. q- Q: k+ w% Q
trade-record-one* w9 E, r0 D/ k& X2 D6 s0 Y! E
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) G# v# o" v, x% C( @
6 ]& F6 U6 @% a6 k; O, Y$ s" G;;[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]]+ }2 D; y( ~' a4 l 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]
" i( L7 a7 L& Wcredibility-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list7 _, _2 \; F% \8 f* t
neighbor-total- v8 Q: }0 J( d; C1 m+ E7 w; d
;;记录该turtle的邻居节点的数目2 T& K7 m6 n+ X8 o" ]
trade-time' i+ D+ f: l9 L1 l V. d+ ~
;;当前发生交易的turtle的交易时间+ @+ e" J$ r. E$ G* I8 u
appraise-give
1 w( S$ P/ J# b: O o: c;;当前发生交易时给出的评价1 |6 k. }# k; I: I% ?
appraise-receive/ k4 ?* Y& l, n* w
;;当前发生交易时收到的评价9 G9 L( c* y5 U/ e. S. t
appraise-time
% N4 I3 c4 a9 j j;;当前发生交易时的评价时间
" \1 K1 Y, {: O; P6 Olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉" T: Q& A* H9 O
trade-times-total
2 @7 c# ~" Y- P4 F n;;与当前turtle的交易总次数
/ T; n; d+ _8 ^! r% N9 M' ltrade-money-total0 E( K" r# c L8 |
;;与当前turtle的交易总金额
% e3 u* H& V. g5 e8 v- |! ]local-reputation9 |8 D/ y' S4 c
global-reputation- L, r# [+ l( q) E
credibility# n5 ~0 g. U# o- {
;;评价可信度,每次交易后都需要更新
1 z( |# c* s5 T. T# Fcredibility-all0 a$ ^, V7 U; K) `( ]$ t; \
;;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6 J- }# \% @: \, v4 L
1 I6 c B; e, b' I4 Y f
;;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
% S7 a* r9 I9 z6 f( T6 \credibility-one
/ D; B8 K! H& ?9 Y( `- S, ~* k8 F;;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/ N5 l* [7 o: K! \7 L* V& A- \
global-proportion
1 V% ~: f& G: w. t! A# a/ A* q. ]customer8 N+ Y/ e9 b7 v' @
customer-no
0 l1 c- s* P9 j& ftrust-ok
9 ~( p$ m( Z6 m6 A9 F( ]trade-record-one-len;;trade-record-one的长度
# E6 b; t; q5 N V; ?]/ B3 l* ^. @& T4 g) U* T
. Q m, Y% O7 d Q0 S;;setup procedure
# v/ @& A% `- o' f: F7 s' j, b0 O# v- o: D+ C _, j
to setup3 g1 o8 J0 S& y2 U" \& g E
7 f* F6 F% t# ]; R2 W
ca m B6 w5 y+ ]1 G+ P/ `" U
+ u7 ? e, N& @5 ~
initialize-settings
4 P' e& p; l8 |7 q- b! v
8 S+ {* ]* i I. Bcrt people [setup-turtles]5 ~* a$ _1 O7 W) {2 q
7 j- v. ], G8 M+ Y) X( j# o
reset-timer
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poll-class6 W9 L; [9 P4 c. i
5 T l) Q9 s- Q9 d; v5 `$ w" T
setup-plots
' V+ j; C) C% g g. n7 x+ f E9 G* r* @0 } G
do-plots
: @0 R: ~* o& {" `9 k9 Gend
. H2 K5 f' `8 k6 \+ d+ h0 j) {. J% Y7 v( e% e
to initialize-settings- a$ L( ~8 i( _# z) O
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set global-reputation-list []
5 Q7 `' W4 z; t4 n9 ~4 a e) }4 ~
/ [3 \# [& |+ B! V9 \7 p& }3 [9 Xset credibility-list n-values people [0.5]
1 a9 x; b5 D1 z! U* q7 R$ F: u& S8 ], S2 B |9 j/ g
set honest-service 0( v* u A# r/ ?
, P, I) b& P4 [5 m. |/ w( c& X% b
set unhonest-service 00 ^6 [/ f$ [. v7 s$ f9 j9 }' Z
! i1 k( ]0 X# K" a/ b- z0 P# O x
set oscillation 0* ^6 x( I5 q6 t. {, Y$ c
- U( ~6 b: _- ?' b: ]
set rand-dynamic 0! S' O' Z+ L5 L! j1 |9 s: e6 C5 f
end8 x+ i3 {" }1 n q
/ J/ J9 r4 ?" E0 b9 e0 ~5 u O: `% Q4 `
to setup-turtles
6 _ f* r' u" t9 s8 t7 U$ x4 gset shape "person"
6 Y# A# e) p' t9 G! t& D+ jsetxy random-xcor random-ycor r6 U; ?5 U& n8 [ R6 \! |5 B
set trade-record-one []
! k' N' k% t: o _: P. H' P! S: S2 @7 _* ]
set trade-record-all n-values people [(list (? + 1) 0 0)]
+ Z( I* r6 i5 S" g5 t8 S
0 q3 M. X' o3 @) p% zset trade-record-current []
6 u8 X, z. T! y4 Cset credibility-receive []/ I. S+ t0 }. z
set local-reputation 0.5
+ I# L+ o* w1 U5 iset neighbor-total 06 a, e% E' n+ _4 g A, K
set trade-times-total 0
0 \3 M7 k7 V( t- k$ Uset trade-money-total 0
5 S5 e1 c9 c1 \! Jset customer nobody
' X/ X: M1 j( X* s. b4 ^# T D( O+ iset credibility-all n-values people [creat-credibility]
2 J! m) ], i' t: m9 Qset credibility n-values people [-1]
9 L" ]0 B: I7 o& F2 [ oget-color
% Y' `/ A* [; `3 e! D% W+ S# [* h/ n% \ l
end3 B6 g J8 q% u+ c4 K
/ c- v- t) C6 J! Y/ ]to-report creat-credibility9 J0 i6 ]7 Z+ W0 y$ w4 S
report n-values people [0.5]3 w2 h6 t, u) p
end
$ t* A) A( Z* b% R7 A& S1 l( N8 o6 ?1 t
`: M) X4 B/ |; P! B- Oto setup-plots$ @) Y+ X' d' T3 p f2 X' U
1 l+ T3 \: {1 ?, N/ kset xmax 30
& S( b* H a" w3 x$ {
! }8 _& D- |6 \6 [& Vset ymax 1.0+ W: P5 M0 I% d: O( _$ r
' Z, q0 G: ]3 g& v1 `clear-all-plots) {3 }+ g' e M( V8 Y3 s; X
5 W$ }/ l8 g4 ]setup-plot1+ R. I$ U. [" B7 b4 Z _% u
% v' M, E$ }' Z: osetup-plot2
. M8 b H; y, H1 a: u; E
' l) o/ N9 [$ T; T% R' R2 L* y7 }setup-plot3
$ Q0 T ]6 N5 J+ m* P( Kend6 D+ N6 P/ x) _' o5 ]
% x3 V( k/ B) ? n;;run time procedures4 G# ?2 h) W$ V* D$ Y* x! N. m8 e
, ~4 K; S' }' g. X5 D$ Qto go
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ask turtles [do-business]
/ K; E: c7 o O5 O. i9 G1 H; m, yend& P3 V+ S0 G# C# @, x7 A
: `9 H' Y& W' |1 l
to do-business
, y" r Y! V6 v5 \) [9 S# C9 Q% V/ ]' s8 W7 U& m
( u+ `# ]1 b( |$ o3 F! }& D5 Jrt random 3607 [" t' G, }/ U% m3 E6 }9 z- G3 o/ O
- A: z$ o: J" d
fd 1, o7 `2 o6 h$ M" \1 R& V
% v1 z3 v2 g5 a& E% K; j- b2 b& N
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here9 T. z- q# p# r) c% k2 |
, H' S/ L% |- E! ~/ _: T: z;; set [customer] of customer myself0 F' ^9 k. s3 I: Q1 v
+ d% l2 M5 i: H; K( \5 v# s3 B8 P
set [trade-record-one] of self item (([who] of customer) - 1)
1 X8 g, |1 h' K' U1 B[trade-record-all]of self, Q4 r& H' ~. y! M9 A
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)2 K5 A* E$ g m3 \3 N
[trade-record-all]of customer4 }1 Y. n) I* G( M. F5 e
) p g% n: Z0 }& ~+ Oset [trade-record-one-len] of self length [trade-record-one] of self. [$ x! s1 B" \
' n# }0 B3 w/ x; H3 Lset trade-record-current( list (timer) (random money-upper-limit))2 O4 c% b5 k3 `; Y. P& A( q6 m# U
4 |) z$ I/ h) n9 l" g- z. h7 y3 kask self [do-trust]
2 F3 F) _6 [" A- _;;先求i对j的信任度
- j9 E4 @9 a" V# D
( V5 p" I* P1 w; H4 Lif ([trust-ok] of self)
5 W, O' k _/ Y. D;;根据i对j的信任度来决定是否与j进行交易[) S) o/ V5 x H$ G& O
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* l5 X9 z( \; D- I C
j" G8 Q7 \7 l. H. }- S6 L
[
7 |8 Q- }! |2 A5 ~* U6 }9 f6 P4 d- g4 u I5 K5 y0 R
do-trade
" f! s0 J" O% F6 `, e
. z8 w* J6 M# R; I, G2 c! [+ r& Q! Pupdate-credibility-ijl* W7 H3 H O" f1 M8 ~' l( `
) t( {& Q) s/ B8 Vupdate-credibility-list) R! q) A. P1 W( {, B
9 W8 W: [2 ~! `1 G: `; I
' ]$ P! Z# e5 @update-global-reputation-list6 q4 H# Q* l* g8 v3 M# X3 D
`$ F' o* f+ j' O8 c* ^poll-class
! [1 M1 D( P2 P6 x% i) ]) w) e' a& E; t: f. _4 x
get-color' F {; G7 K$ R, l/ t9 l/ U
+ |( V$ R8 j {5 I& F X]]
$ h1 a$ ?3 p/ V6 h5 h" l2 E4 _: D, i+ d0 A$ d0 i
;;如果所得的信任度满足条件,则进行交易
3 e, M1 N! S- ^8 ?2 {. }1 Y& V# P3 X1 c0 J
[
# _3 Q& F/ r2 Z2 I; C
! l# O) G; ` e! h. z$ \9 art random 360
6 s. e& O' V- j0 N7 r
a* e3 [1 z) N: o5 ]0 w' u( Ofd 1& k9 r9 J7 c2 _( w
0 v# }6 {( i, g' L3 o" U]) \+ I% A; K$ [6 y! O
. u# ^( \2 f# m5 I; ]( }8 L
end# A7 F. s, ?* Z: t1 a4 r2 Q
" ]. w: N! U! c- l- p. _3 v; a+ c
to do-trust
- R& u/ O8 k+ V4 mset trust-ok False
1 d9 J5 Q. W: s& v5 i h; o( b2 L8 n# }! e! w1 C. K8 p1 x
5 ^% i* {1 P9 c% blet max-trade-times 09 f7 Z) _8 _7 k
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; z- Y: q+ G" }8 V( B
let max-trade-money 0" I7 \3 o1 U: m/ ? C- y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. |" 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))! Q h/ \8 p5 T" B5 C% d/ r
# t4 v- R0 r5 I o
1 t4 a' Q; H1 C4 |get-global-proportion
1 e2 g# ?: n3 v2 W+ slet trust-value
( ^3 I. D7 x% {0 x3 S$ j/ {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). v; ]4 M6 l! L9 C3 J1 M6 M
if(trust-value > trade-trust-value)
$ v& Y: {& L+ h4 }% ^ Q7 [ s/ k U! T7 {[set trust-ok true]
. Y9 Y+ ?# I2 \$ `) @! \7 G% _end
3 }" u4 o! c+ V* p0 Q4 M+ \
$ `. D( W# l! o9 Gto get-global-proportion
) C) E5 s4 a' m4 ]* S; s6 uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 D+ ?& F/ Q3 F+ t o0 k5 T[set global-proportion 0]
* L: r7 n$ E- ]' k: Q+ ]& ~[let i 0
1 u* }1 q, B* p0 ] p6 jlet sum-money 04 l' K9 A' Y8 B+ o* G8 b
while[ i < people]
+ T2 i2 t+ m4 k[
1 ]1 ]# Z1 q) s0 O Z$ zif( length (item i& s7 H5 T4 f8 `' G4 a
[trade-record-all] of customer) > 3 )
1 q/ o: }' j# g* {2 h4 Q[
( _* r: q- m4 [; {: yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 U1 j' e. Q& D! P]
) Y) |0 Y- ]8 q% @+ h0 |]
; f8 D8 U" i7 Y- a' b6 \* H8 nlet j 0; e! i0 W: J/ T6 Q, d9 }% l/ T
let note 00 g Q, f! }3 F4 {5 x7 I$ E; a* I
while[ j < people]
- H6 P3 q8 q; t/ a+ O3 s8 Y[
9 w% t3 b! w: o8 P+ ?+ Uif( length (item i. f. Q6 I# w- m4 U! I. G
[trade-record-all] of customer) > 3 )
. Y3 |. t: s$ `2 H* ` u/ a% ^[2 u4 s3 y) R1 S/ U3 d1 X
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 Q) n3 R# e4 l, w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 [1 ?5 k6 Z4 Y( S" V/ S1 s$ k/ E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]% m# t: w9 C1 D$ `) Y/ @+ X
]0 `# r% k; c5 G9 n" t- D1 e- s& R
]
) g7 E, P7 _+ n& [: e; T7 {set global-proportion note }* S% o5 C" A9 g/ n
]
$ Y2 Y) E; }* r. v2 {end
) r. N# I( K# q/ r4 F
( c' Z$ R; Z' T7 b7 S jto do-trade6 | p( N7 w* \/ I/ {& v
;;这个过程实际上是给双方作出评价的过程
4 B+ E9 w6 d' ]# ?* aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ c1 c5 z: j. A Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) E$ s4 [9 { c* Z* p4 s8 dset trade-record-current lput(timer) trade-record-current
6 y, I+ k' [" S" D;;评价时间
4 D; U7 ?" O0 f/ b% z+ `% i3 Vask myself [" V/ b. [7 ]0 C5 j( h& N! Y
update-local-reputation
# R+ F& t4 `1 d8 q2 [set trade-record-current lput([local-reputation] of myself) trade-record-current
- c% L- w7 c: L, _( h+ N]
# o4 [. ]; l1 \/ tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! P4 V. H# ?/ e" `;;将此次交易的记录加入到trade-record-one中4 X+ r" L1 o1 f0 g0 I6 c
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ q( I/ m- [1 H E! u; {+ ?let note (item 2 trade-record-current ); J5 {6 \" |/ t/ t6 g
set trade-record-current' N" @9 Q3 O1 B* o" b' j4 A. y) u% S
(replace-item 2 trade-record-current (item 3 trade-record-current))
1 u7 F( r' S& e+ m% lset trade-record-current
# J, M8 T& R4 y' Y; [1 e(replace-item 3 trade-record-current note)
: y3 ~4 j6 ~; L; A$ w8 U8 X+ |$ \/ R( h
2 [7 y( Q5 e/ V; F
ask customer [
! \& Y" |! ?2 P3 m6 yupdate-local-reputation5 |8 X( r5 h) ~* _
set trade-record-current3 o7 J- C/ v: [; K7 \$ _
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - q! i& z# B9 K1 |
]
$ ]4 t! F8 z2 { e& g6 }2 }2 {% {* y& j
/ S( r6 b, H1 l
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! d4 J* X0 Z5 N- S% B) u+ r1 {5 f f4 R( h/ K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ b g, o' B4 u# v;;将此次交易的记录加入到customer的trade-record-all中
6 l9 C0 T/ u: w' U. u4 M* A) |end+ [7 ^& [- w7 z& D( y
+ g8 ?# o! \4 r
to update-local-reputation2 o' ]4 V- s2 I3 a0 ^1 b7 T
set [trade-record-one-len] of myself length [trade-record-one] of myself
2 ~0 N V( I* J9 D0 K
7 J' y9 N! }9 ?
+ W: c4 J+ t( [9 V6 D W( J) D, r7 g;;if [trade-record-one-len] of myself > 3
, @8 ?. C/ w+ R: Nupdate-neighbor-total
* j8 K7 r: ]# p- ~, _; l z3 B;;更新邻居节点的数目,在此进行
* _+ ]' j* T9 _4 c# ^2 ]2 X4 plet i 3
* I& }' F% X, ]/ B+ N1 _let sum-time 08 b" U7 U3 v8 t% `
while[i < [trade-record-one-len] of myself]
1 ?9 L/ j2 u! k$ g% H( }0 j5 y[
, E/ ]# H; A5 X: k! e* x/ {set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 r. J9 w+ {8 T
set i
/ C# Q: I4 t2 q% Q' L; K. E5 I( a( i + 1)2 N ~- t, s. ~! z, B* o
]+ i3 R- R& g* \- d+ x9 @' }
let j 3) o8 r$ k- \/ y6 t9 q( T5 h; h
let sum-money 0
; f7 M/ m' m" ]while[j < [trade-record-one-len] of myself]
# P! U, J. O) V[
' r) `9 ]! R" K8 h8 Pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
. r7 h* G u- ]% Z6 ?- k' hset j
# r% K! p0 S( n k: A4 ?3 C+ a2 u+ _% N2 J( j + 1)
+ b9 E8 u! q3 _! k$ k7 ~]3 a2 w- v6 O" u# x- e8 U
let k 3% ?8 _0 g6 k9 j: B0 S; n4 y$ e% Z
let power 0( p: i; e. W3 g- u4 f: i# U
let local 08 s, m0 @- D& J
while [k <[trade-record-one-len] of myself]
/ @1 \4 z$ Z' T: M6 G[- D% X" i ?; m0 T4 N" ~1 E
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)
* E Z1 ?& C# P( v+ P% E( oset k (k + 1)( c2 q) B) R5 w
]
$ G- `6 O7 j: _# H2 C8 j. N7 Eset [local-reputation] of myself (local)/ ]% ?2 S9 I& j& \9 ^3 ~
end
6 \- Z S3 |% z, [ q3 v- S! x$ i' }8 x+ h) c, {; T. ~4 s; n
to update-neighbor-total! O$ d% g. Y# t
. n6 T7 k4 ^: ]8 C( ]if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 L1 V7 F6 g% P6 ^! U7 @, r. m
: q/ O# P# `7 m+ o5 c$ H) F* P" B/ R
. { }6 k' ]% |$ i7 P- ]0 d+ p7 ?end
6 ~6 G5 L! G6 ~6 h0 ]
& z8 j" h+ d0 o" H# cto update-credibility-ijl 8 R" ^9 }# B/ V: r* I9 k
: a( `5 A+ B1 J7 I% |
;;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 }2 O1 E# i ?, x
let l 0* d s' y9 E/ _) p# }+ N+ _: W1 ?
while[ l < people ]6 v1 v# Q' p! w. m5 J: T" 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
# ]# ^6 a3 F8 T) f5 s" l+ D3 ]: D[% Q0 }) N; d# s8 J! ?; R) Y2 g
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 c P. V# }# tif (trade-record-one-j-l-len > 3)) M% \, m0 @# u- [% @, B
[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-one3 v5 z$ V" Q% Q
let i 3
. v2 J9 l+ U( L! M" m1 A) plet sum-time 0
. x8 |+ y6 I% q gwhile[i < trade-record-one-len]/ C: L5 Z- R% Z# e2 D, x
[
7 ~9 O# o/ t: vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 A W e* h5 N2 R) H, p
set i
3 S) ` a/ ]% F7 K2 A, J: d( i + 1), ^: y% q' X: O) M, ]
]0 `# J# J! X) ?% L! ]( Q1 K
let credibility-i-j-l 0! Z4 ?5 f$ ?0 I* l
;;i评价(j对jl的评价); n9 ~) x9 {$ x- R! W
let j 3
7 y4 I8 @8 z4 t5 @7 P# Glet k 4
, {; T4 Q3 Z. r9 n l1 H* Vwhile[j < trade-record-one-len]) j$ Y, G& S% p+ n8 ~. O& Y0 M R
[
8 E& L; n4 B6 swhile [((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+ ?& p+ u) T. y# M9 U+ m: J
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)
; p8 @2 Y8 D7 d2 Aset j2 V! C! H$ ?1 J0 q6 z4 B% z
( j + 1)
* Q* @, g* M/ h3 D! `1 u, Y! v# i3 Y# O, []
) C2 j2 f" Y% K0 _6 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 ))' s: v& ^. y9 X6 Z' F( i
. H; E) M2 Q6 v' n: y) C* y( f1 r
3 h* {. S- f$ Z( Ulet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ v+ R3 X1 T+ x3 L! B4 x, [% _
;;及时更新i对l的评价质量的评价
% H: A5 A* c' g; s' yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 K" A$ m6 u0 L) x, }& L$ C
set l (l + 1)6 C( l+ D" L% Y' b& [
]
9 Y. C! j' `2 oend
( H0 L* h4 C7 d2 m
2 i/ M! \0 T* |$ zto update-credibility-list
4 x; m3 J' @! I4 M0 Q6 |let i 0
, ]6 M) H! p* b9 U3 Twhile[i < people], Q1 S, r' k$ A4 W6 z& ]
[- e {. T4 B, q
let j 0- t1 t* ~: o x5 O
let note 0; z0 k) g* A% F
let k 0
$ U4 J! _9 O0 r d# {2 ?0 V;;计作出过评价的邻居节点的数目
* A M9 Y) B5 P$ cwhile[j < people]3 E: t. A4 w X* }) R* C
[
7 v' c7 q) e# H cif (item j( [credibility] of turtle (i + 1)) != -1)+ \; y/ z+ e/ P7 J/ M5 A6 O
;;判断是否给本turtle的评价质量做出过评价的节点
$ T$ [) h% |3 t) H/ v! ^[set note (note + item j ([credibility]of turtle (i + 1)))
2 {! V5 {: k& \;;*(exp (-(people - 2)))/(people - 2))]" l( ? v N O
set k (k + 1)
4 K8 ?+ g6 W3 j2 [* W]0 y, U: V" j' m/ m, Z( w
set j (j + 1)
- t: {& v# F( G. I$ v+ c. ^]
1 t# w3 l4 g9 r0 }9 wset note (note *(exp (- (1 / k)))/ k)
2 L) E1 @5 a. v: z5 H* Gset credibility-list (replace-item i credibility-list note)
3 Z( [4 W4 s2 Eset i (i + 1)
1 {, _ z: W0 m7 m9 v]3 }- d' H! [- d, \
end- O2 ^% P5 H9 K5 ] W/ `
2 [5 |3 X5 U8 Q5 t. q$ Q+ l
to update-global-reputation-list
+ [/ a% n% U) flet j 0
4 s! [5 g$ b& Q8 H, B$ {; D& ?while[j < people]" Z0 W+ i) k9 O
[
1 `; Q Q% v& {# v, ulet new 0
+ S2 z* n* V0 L* d+ \;;暂存新的一个全局声誉
; h$ n i3 Z3 q6 { l& o# Mlet i 0
/ A, K# H! @4 ^let sum-money 03 C3 e, ~# I& }6 h( r
let credibility-money 0
/ ?. c* p' I2 {9 y" o1 j' rwhile [i < people]" G8 S1 f( l9 k# G' n
[
8 \& a7 x3 |& z5 Q8 ?set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' j8 p6 i! Q. y5 w
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( g) e( b+ j' l+ v pset i (i + 1)
- m0 V2 Z4 \' M w( C]
, D, I+ q" f2 d+ {9 I, @& l( t# |let k 0
, P, ~" u: }5 ~. {7 B- n$ Qlet new1 0% l; |+ }, |. K
while [k < people]
) c# C7 u9 ^% |: D[
5 u/ K! y' M/ o3 W+ T5 Jset 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)4 c+ F$ F% g4 C; }$ k
set k (k + 1)5 j5 b- C$ t4 \0 }) Y% _6 D) ?
]# { g3 l- V4 _* L6 @( n
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 A$ g" t* m% T) B4 H
set global-reputation-list (replace-item j global-reputation-list new)- z) r( h- v" W: \7 C) G
set j (j + 1)
) P, V2 b( M4 A/ k( X1 ]9 V]7 a/ s: g$ D5 q, d! p
end0 k6 R. m; H. E" _& G
" q# o, B; i% W* |. t9 B4 n- A8 _1 ^- F) S
( B" W) I+ e) dto get-color
+ F: Y h0 |& c9 ^* x; k1 y- O1 p' o! u! \
set color blue
/ o2 G: x( E$ Yend* _8 W' b" \; k6 L8 U4 n' x8 J$ y
+ O# P2 m5 b- E& o! G& sto poll-class1 C# M, T& Y) D. V8 y3 E
end9 f) u# ~# Y8 m1 y% a8 ~- L% o! ]
: O- ?! j4 `; _8 F3 b6 mto setup-plot1
4 B8 r4 P/ G/ x( F& j0 V6 C% y
3 P7 |0 F3 H* e4 eset-current-plot "Trends-of-Local-reputation"1 ? w2 o6 M s# _; _$ O3 L
. ^& V; G- k9 V3 z
set-plot-x-range 0 xmax
+ M. W, d6 }- A0 _" l
" e! ` |; J" Uset-plot-y-range 0.0 ymax
! {" ]6 ]2 c- B0 hend
& E. N! S2 m/ Z6 j
% f7 t4 Z4 j( p x- r2 h+ m$ tto setup-plot2
; k2 ]& Y7 O X+ b/ j
U" Q, [' U1 W- a& j1 Lset-current-plot "Trends-of-global-reputation"
8 {2 R: @" B! I$ n
$ }" W- r9 q, a! g3 k. qset-plot-x-range 0 xmax
E! j1 E0 S& |" f
- Z. r) P4 S1 s3 J( vset-plot-y-range 0.0 ymax
$ j9 E9 y) v7 v$ C8 b: P# U: l% Oend
. N. @, D. z2 m; M8 w; X( L- g" |( U/ G( ~
to setup-plot31 q, T, o+ G B: W9 c" f; u9 t
; e% \; R6 W0 }- r# b. A" d; S! H; o5 g
set-current-plot "Trends-of-credibility"
$ d5 _ l% {$ M2 X1 |# C- Z, B, j% M- j; w6 c' {3 T3 f
set-plot-x-range 0 xmax
- D; k! Z# |5 _8 p% u4 X
* B# R' f+ }9 U, a1 g: o2 ]' @( Gset-plot-y-range 0.0 ymax& d. b+ R4 \0 S9 Z- V
end3 n$ s0 K+ `: c
2 z( V$ a) ~; o2 R; S
to do-plots) `! j" p; f, K% y1 w% H7 |2 k
set-current-plot "Trends-of-Local-reputation"
! a) c+ A! h/ sset-current-plot-pen "Honest service"
4 g" v' ~8 `: l$ Aend
{' Q+ z3 `# F* R2 N+ h# I! u/ @8 m: A l0 A
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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