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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
9 @% }7 n5 o% Y/ I4 T* T4 bglobals[
7 z, t+ i" z( Z6 i2 t) Q( D2 i& mxmax$ ?4 v" Q+ |1 ` R- z1 M! i
ymax
( D- @8 K. D8 Xglobal-reputation-list
( i" I1 J& e7 w* O% T
1 `0 a* z9 G/ @/ k;;每一个turtle的全局声誉都存在此LIST中6 w- d+ W5 V& Q; j
credibility-list: z& }3 O* e' u
;;每一个turtle的评价可信度; t" S7 P5 h/ _: o0 J' Z! }0 q/ m
honest-service) ?5 a' c9 q$ J9 T9 g+ j
unhonest-service) O: W$ W; q1 U7 J/ P; P# h
oscillation
/ h+ n$ |/ d9 x, e. `rand-dynamic
% ^* O3 E+ Y- _], S( `5 v' V4 I) J0 A
7 M# f. n; p3 c" {$ c; Xturtles-own[4 w( t; Z" l+ o2 [/ B; ?2 @! F
trade-record-all
8 e0 m3 W- r4 v3 o, S1 u;;a list of lists,由trade-record-one组成% X9 M$ R, @' t
trade-record-one
$ M2 x) g* ?% Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
) |! j5 g9 G. @+ J0 R5 |2 R/ p6 f
( b/ y I+ E5 @. };;[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]]
6 a6 u0 c8 T; J/ r" G7 L0 l) X8 ftrade-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]1 S' @' {3 l) p! `) b- }
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list3 ~$ O7 H! b' S8 g# i
neighbor-total
6 i8 R( ~ ?' y/ F0 a5 _* H( B;;记录该turtle的邻居节点的数目) C4 d3 i7 w' E: ]; V
trade-time- o2 x, u. ]. ?' W5 |# Q
;;当前发生交易的turtle的交易时间
) @/ z. f. v( d6 y; s r3 wappraise-give
+ t4 }, |! z' f; |;;当前发生交易时给出的评价
; S4 p7 K$ k S8 Cappraise-receive
+ ^* w. M# F$ @4 L9 X# u/ ?;;当前发生交易时收到的评价: [. k; O. g. j v' T
appraise-time
, g" ?4 f" E+ f; f ?( G8 e0 h7 B;;当前发生交易时的评价时间
+ g3 ^- C9 m, C/ Mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# u) @% M- C' j0 t8 Vtrade-times-total
/ a% ~+ ^- r9 D+ b. w;;与当前turtle的交易总次数
7 q2 V/ n M; ^/ E( Wtrade-money-total
& f! V6 B- T4 `( g$ l' j2 t;;与当前turtle的交易总金额
- G* v. Y. X6 Nlocal-reputation0 D( `$ f' I) p5 S" M
global-reputation
7 ^7 Y9 k2 a. x Q& l% i' f$ z8 }7 t$ gcredibility+ z; p- t' H t7 P1 ~( g6 D2 \
;;评价可信度,每次交易后都需要更新$ T. G6 U/ c* h4 _% N/ Q1 A/ G) J
credibility-all
: z% x/ c" [) d' f/ B& o;;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' ^9 p/ }" \: r* Z4 x* b
. e! \+ x6 Y# T. K6 y
;;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
6 a3 w3 M* I; D" hcredibility-one1 K s2 [! u( n4 ~, f8 r
;;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 e g w3 U% h, f/ G! B0 D9 lglobal-proportion4 q! M! ~" j" n- k
customer. x0 |! e* N/ n
customer-no' b3 z* ]2 W" D2 Y. p
trust-ok+ i& V& {) M0 f1 H+ w5 ^
trade-record-one-len;;trade-record-one的长度1 S+ X) Z/ z. C* V1 W K9 A" {" E
]
! c, |5 m& |9 f, t1 T. n6 K' g0 Q' c3 ~( F4 p0 N C
;;setup procedure
- H' m& @2 W" [1 h+ z1 k: R9 t; ~7 v2 k0 V
to setup) h1 a4 V( `+ N) ]4 W; D$ \
( _& b( A( \) y2 T) d
ca
3 L0 t, U# @# ^. W
7 W6 N m9 ?) z6 b2 Winitialize-settings
0 B# ?+ m& V5 X& @ z. R7 _ n( F ^, ^
crt people [setup-turtles]. q9 t- c- Z% P# u9 Y( @
. R" O( g" H C8 t8 ^9 n9 ^
reset-timer9 ?4 S. h) g3 W9 ?
0 f1 y7 M$ i- A% E# V' W; E
poll-class7 `( A) Z5 u1 ]6 T* s" A
/ g# |/ H& f( O0 V: c
setup-plots3 x5 B* a, x& G7 [
8 M& M/ X6 M9 qdo-plots4 k/ a5 `* I6 k \' a
end# G. m" |0 v# j, j
# |3 x0 A e5 l( e3 ~" A) Y& hto initialize-settings0 L& E7 `$ {( a4 R# \
3 ]. [6 U8 w0 {- H
set global-reputation-list []# j) R& s7 d8 S% S. T4 |3 |2 f
; {2 a$ ]: C2 |+ k' | q
set credibility-list n-values people [0.5]% S+ R3 R7 y) O9 y! O
& r+ E1 ?$ v1 ]* i) B: R0 _set honest-service 0# e. O$ M# \7 F/ K* U8 o6 O# v8 x3 C
1 \5 T4 ^7 u! _
set unhonest-service 0
- @1 M4 c4 U7 B3 l
; J8 N8 Z9 ?& X9 C( Qset oscillation 0
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set rand-dynamic 07 S9 J7 q! k* K' i. r# w7 U% m
end
7 D- H' F: z+ v- \2 X* w4 ?, C
! Y: v( y$ f$ ~9 ^- @to setup-turtles
9 _& F: g1 n* L+ \set shape "person"
7 c/ J% F+ Z: usetxy random-xcor random-ycor+ w- d$ l. V! x. }( T
set trade-record-one []
: T/ H2 @, D3 o
: j e% d2 B& zset trade-record-all n-values people [(list (? + 1) 0 0)] % v$ I# ^" X" T, \" j' u7 u& j
2 {; j4 j) {. c4 g( Q/ \2 j
set trade-record-current [], a# W( g& R: i j, R6 [/ a
set credibility-receive []" | f/ H* l0 q5 U( H9 N4 y
set local-reputation 0.5
" Z* Z# f- I: _0 p( j3 Rset neighbor-total 01 X: p+ k, o; m v \3 p
set trade-times-total 0
( }8 }2 {/ ^ p; U7 Eset trade-money-total 0
0 j3 q4 ?) b6 `$ N* |6 k, c7 ^set customer nobody* a: q0 G# c' d7 p/ G; @
set credibility-all n-values people [creat-credibility], |8 ?5 q% i6 G% e9 _. ?9 x$ V
set credibility n-values people [-1]
, @) a8 J( c- n: d1 n* rget-color
+ _4 w3 H7 }1 V3 O6 T/ O& _% ^5 G" T& o
end6 L! P. u+ K! y- z" ~
$ O1 [6 X* Z$ v: |8 oto-report creat-credibility+ ]4 z7 y% D) Q7 g; B+ c5 ~
report n-values people [0.5]
6 _ z4 V9 {1 \5 a0 U" Jend
: f9 H* ]" H1 f. J% ]! {) p7 V* |2 O" p; q( n. {7 s, M# W
to setup-plots) p) V' g. R4 M; [+ w
; t1 ~/ x3 }" M6 w$ v: T3 Q# cset xmax 30
9 o0 f! B1 `( O- n& ^2 A# u: C, B9 N
set ymax 1.0
% S: W& S) j: x3 @! J2 T% ~1 m9 u/ A7 g) u% I
clear-all-plots4 a O7 t; e4 S. L! {! B
4 L6 g. s$ w0 }" ~( X0 d3 R& ~setup-plot18 P& R4 q0 T9 c4 U+ S7 U" ]# i
! [/ m2 d9 P0 J, lsetup-plot2' A5 w! H6 f. d+ ]
+ t J& q! Y6 L: q1 X% M5 osetup-plot3
# b1 G9 v" z8 V$ a) @end
! K- h3 Q9 ]$ \( Q' b. {
3 U3 w1 v5 K; p1 x" m2 v;;run time procedures+ f# L/ m4 P- y
0 w2 `# [; Q4 c4 k$ I4 U( P" Z' l
to go _& M4 F( C; q
* a1 x2 E5 f5 i+ K- ~
ask turtles [do-business]
9 i6 [8 @8 [, Aend$ g9 m0 {+ f0 t$ t- E( s* d1 ^1 R
* L% y+ X- L. E6 }( @& S: Eto do-business
9 w: ], Q: Y: b* `) B! g% S: F$ h
5 X; o8 D4 ?5 x J1 k0 m; K4 K/ krt random 360$ ^3 V2 Q) S1 F! E
4 p. u1 a) h; X$ J) [2 }' @
fd 1& V# f9 {0 J0 H
1 ~. T/ Q# z3 h- V! W4 d: r
ifelse(other turtles-here != nobody)[2 g) Y8 D! l* p* A. z0 ~* _
7 N0 k) g4 G' g4 b
set customer one-of other turtles-here$ n8 r8 H3 M1 r3 |; @$ [: o- A/ J
, M4 ~* E, h5 h$ _& j8 };; set [customer] of customer myself$ `! r7 i% N( B
7 E' v* J% Q3 p. A6 p. }$ zset [trade-record-one] of self item (([who] of customer) - 1)( v* H- E* Y$ {2 R; R
[trade-record-all]of self
0 J$ f6 P) X: k* B* A# |% i* c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; z% U, w* G" _7 T n# n$ A
. E9 m4 P4 C5 T% d/ _4 L
set [trade-record-one] of customer item (([who] of self) - 1)
, ~: w( `0 i5 m+ I8 e' e[trade-record-all]of customer% h% {/ D7 S! L. W# K# }
! l1 W' R' B H2 }$ S o
set [trade-record-one-len] of self length [trade-record-one] of self
$ [, U7 w2 [( u# z
& }% K' d% e8 Y1 O, B* eset trade-record-current( list (timer) (random money-upper-limit))5 p- S* ]- d' z9 q Q+ G9 Y4 a
3 i' M+ O! G/ m5 {7 \6 E- vask self [do-trust]" }* e5 ?+ _! {6 ]# A, m7 C* U$ @
;;先求i对j的信任度) r a: s6 I7 p( z }
8 o/ \% ~0 v! X! \
if ([trust-ok] of self)
5 B% _1 \: T9 \, O7 J;;根据i对j的信任度来决定是否与j进行交易[8 g( |/ k: i+ ^8 @% r
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
4 T! |4 B4 }6 S8 V* {0 | {: Q& H5 h' f) Q" H
[! K1 g, |5 t' \7 o: c) [. x6 k
2 s" ~4 \3 l6 D! i0 n* s# k# H
do-trade5 }# C' @9 P( W& j" c9 q
; l" |. S# @6 N1 r: b% W3 s0 b
update-credibility-ijl& d# i) ^2 D" W! M+ h
4 q9 o% z( V; d# _6 K2 Nupdate-credibility-list
2 c* }1 @/ J( r! I: o; G
8 a$ p0 Q9 Z$ C; f2 Q+ m
/ j; i- @& I- m9 f" xupdate-global-reputation-list
- _8 J* ~" `9 B* x1 C" }1 ]
; [2 w- \2 T- M$ m1 Mpoll-class) M5 V4 H6 n9 P* `- @
; n4 L! ~0 s' t$ _* ]get-color
. l7 ?* F! }0 P" u+ I5 K( v8 o5 D1 U, a. {) I" u- J. T
]]
! h. j0 a/ {: K- ^7 M, I6 H
0 O2 H; Q( ]; M;;如果所得的信任度满足条件,则进行交易
: z+ ^! f3 l( L0 o
7 }2 [9 k+ R( ~( J1 f1 D[2 `0 i' g" A" D! l: U; E! \! H
9 Z+ }0 \1 |8 r1 I" T' i
rt random 3609 `0 K: W8 p4 D4 w
! l' d7 O% L/ M' Y
fd 1
' S8 T# ^, g6 w: m8 D7 r
. |2 g9 D' ]! j: l- k3 \: E {" ^0 Y]/ l J& |7 v* h3 S9 a
8 \" h' }, G; B3 |. h& t# dend/ F" r0 o+ C) j9 L5 z7 A
2 d1 D m1 ^# O; r' W/ v
to do-trust 7 p% a- C: w5 |7 i* H( }' F& Z
set trust-ok False q, K' h3 X" w$ K2 {) c, `- E
. _( F" l' }( q" S
* k" P. O* X4 T8 N* c S tlet max-trade-times 0
4 r/ r& D4 G5 I: L/ s. ], s$ Hforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ d' S; H8 e0 x6 I3 r6 _7 L; y1 |* Qlet max-trade-money 03 |3 O9 A& B h+ L7 `7 I2 K
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( Z' L* `- a8 C9 C9 E% Blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" u& ~ A8 L+ x$ T- }1 A0 ^& a, ~! l4 A" A# S) o" G
2 h8 Q1 O4 h( r* s* N6 e, e
get-global-proportion4 v6 m/ i" P @; H% [
let trust-value
+ i- k8 W3 c3 C: p. Slocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
5 b m3 N' d3 w1 F1 Tif(trust-value > trade-trust-value)2 M! `6 H4 B1 K9 A
[set trust-ok true]6 M9 Z# U: Q1 o, x, L6 y: M7 N- D
end% |( i" m) l; z5 k4 x% y
3 ], |5 i% {0 Q0 z$ xto get-global-proportion
! m7 y5 Q0 b1 xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
3 Y5 A6 e, U+ e+ t[set global-proportion 0]
; d2 r4 z. h& P% f; V* _" l4 _[let i 0
! S0 i8 A& n5 Rlet sum-money 04 x* i$ o9 J" Z
while[ i < people]
) m. w" z( f( U# ]0 F# r% K2 {[
8 [$ Q' a- N: N4 {. N0 d3 Yif( length (item i
- F+ R, u$ m$ k+ b[trade-record-all] of customer) > 3 )$ @9 q* m/ x' ]/ N8 o
[
- n! \; @9 Q h. H5 K" N( Aset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 x+ }+ L1 B+ i! c8 Z1 v2 K8 Z]
" m' i7 m e* @$ k. R% ?( N]# O3 D. G4 r U" u/ `
let j 0
: R$ @( H' l0 \* _5 Nlet note 0
( A) k/ [: i1 I# Ewhile[ j < people]
0 h' r4 u3 o: \& |- g9 h+ s( n' b[) @( ]# ~8 B" m2 f3 D! k; g
if( length (item i
5 P4 c) K! A, d+ w( X/ [5 T[trade-record-all] of customer) > 3 )
' @) f3 x& u! T, S1 w* F# s$ o- {[1 K4 o- f1 s8 Y8 X: u
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% N1 ?1 y# Y' |6 W4 J. N3 V2 X+ ]
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 F# B8 I, ~" `3 {( O( U& F
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ B) F6 b1 N: S6 ?7 L$ `% S" y! b Q]
6 Z1 i+ @( F/ M4 G]" }% b' N2 }% y# K" d, f. ?
set global-proportion note
9 }! ^4 v/ V, B; [, U+ I]
/ c1 i! E3 d# W4 send
0 ^1 P6 Q. w, u' U; F* \
1 g' ^+ K( ~5 C1 j& Rto do-trade% ~& v4 B! k* R& F( Z1 {5 C
;;这个过程实际上是给双方作出评价的过程
/ p+ A& s! v; W& b2 [: d" Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 a4 A$ ~4 j: K. r$ Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 b" l T5 X9 B5 o ?
set trade-record-current lput(timer) trade-record-current
. A% w0 H9 l4 K' L4 W: ?& _. v5 U;;评价时间8 B' K2 b( f- m& ^5 h* f% u
ask myself [ ^9 C# ^1 Q+ W3 f* ]% ]* B
update-local-reputation+ }" f2 i7 A1 R
set trade-record-current lput([local-reputation] of myself) trade-record-current
# s! M6 l9 l) k]# G V' O9 S2 K0 Y
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ W" a7 W: A& k3 w) S4 {;;将此次交易的记录加入到trade-record-one中
) _2 V4 R8 t1 mset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ e" s o$ h0 D, _8 j: y( Ylet note (item 2 trade-record-current )7 x3 e) r/ e( t- P% f* G1 E
set trade-record-current
& g2 |8 W% H. X- S: s* F( G* M0 E(replace-item 2 trade-record-current (item 3 trade-record-current))
; @, a* I* h$ d8 D! v1 h% N$ gset trade-record-current- o" \3 d7 m" N, `
(replace-item 3 trade-record-current note) l% _* z2 Z3 S
) T; K! D; r$ ?- `/ x
3 A: V& ]9 G6 Z( jask customer [. W. u R0 @" P
update-local-reputation
7 p1 a% |: ]) _, e- N) Aset trade-record-current
; R( q& I' \/ e( [' f5 k [, H(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 I9 C V" \( q/ d) j I4 z]! J/ Y4 k% z: W
6 G+ }2 ^+ B( Q( c' L9 }7 Q# ]# L" A$ a; [1 |& [* {; p$ L! n0 N
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 U# ~* s& N: q5 o e* [
8 G5 A9 }% ?' y Z7 kset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
9 Q {- z3 Y; N A& h;;将此次交易的记录加入到customer的trade-record-all中
8 \5 Y$ E" H6 T* g2 Z2 Send
* j) F6 _( R6 V! @) N. s1 _! j7 j) e) a: ], a! E
to update-local-reputation/ [& H" P5 z W2 E0 j& W8 R
set [trade-record-one-len] of myself length [trade-record-one] of myself
$ @ K9 u, Z/ r5 z) M/ h3 ]6 G% I5 R3 K" u6 o; _. P
' o6 d$ p5 L' h$ @. p! q. `
;;if [trade-record-one-len] of myself > 3
% V5 M; w) U4 C* b% Fupdate-neighbor-total
& V' s4 O. r9 G, p! j4 M( s1 G4 |;;更新邻居节点的数目,在此进行- g/ T- P, j# a4 \* g
let i 36 e, x; }8 m) y4 y# _1 ?* ]
let sum-time 0
: [, Z. [: L! zwhile[i < [trade-record-one-len] of myself]/ Q7 }0 w% e/ N3 v
[
8 w% B6 d! e" }. j. K- Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ ]$ r3 f ?8 F! l9 c( x" B
set i- X4 r# @9 L. I/ J3 b
( i + 1); Z4 _/ a: V4 t" Z% d1 }1 J$ W
]
9 F0 v. B$ N5 H% o( K3 g1 S0 F; _; }let j 31 H% I) g4 X2 @ H% {
let sum-money 00 e3 z1 r0 f9 `& b1 F r0 ^
while[j < [trade-record-one-len] of myself]$ O/ |6 w8 r' f; {- `7 @/ X( T
[. l/ Z+ S& ?8 l0 a& 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)) Y. }+ d" }0 o
set j, q# }& ]0 z0 w2 `
( j + 1)" v6 F% t9 P$ b }' R+ p( K
]- ^' X7 e* A d
let k 3
0 A0 Q9 J ~3 Wlet power 00 F$ z. a: ?/ ^1 O" i" C
let local 0, _+ h: }$ u- u- g) Z
while [k <[trade-record-one-len] of myself]- m1 Y- Z" Y3 Z1 q
[
{0 A0 o W a Q$ G3 n+ Jset 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) ; Q3 _/ |* U- W/ }! V
set k (k + 1)$ u6 V* k# {. Z/ h% w- E9 d
]) b, z' h8 ?& w( I0 U
set [local-reputation] of myself (local)
& p, t& h1 G* Fend' C# p! B7 X+ f4 o3 L
$ h. v2 r3 g2 n. N6 j5 \
to update-neighbor-total
3 g4 c$ ~ }' s- ? A: Q3 B e) `
) v4 V: d2 r& ^2 p: ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- A3 c- x3 v* |6 X; K6 _7 z
$ I9 b/ B+ |9 y! T( b$ d+ y
) |# r$ D+ N, Z" h) @, S; Iend, M' Z1 C i8 t/ y
! ` R) N6 O9 Q9 `' P) v& T# ?# fto update-credibility-ijl ' H- [, E1 C, K; m. j# T
- R: X/ L1 @6 q2 l# o+ E: k
;;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。7 v6 n2 h" q F( A0 H7 n
let l 0
/ R/ @- x: L! Q; B3 y2 u" Kwhile[ l < people ]
4 p- w1 L5 K# O$ R9 `' D0 q;;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* B! K/ s2 K3 m# g$ T5 j
[
! B& s- t* g$ }& j; s2 c8 dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* i/ c- _9 l: a s1 i: U* J: aif (trade-record-one-j-l-len > 3)/ A, N3 _1 b+ v, t0 n1 T7 n* k
[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
* E; D- x) i" ?) W; Klet i 3
. v+ R4 _) r! s" U) |2 r! X. Xlet sum-time 0$ J7 z# u$ r1 G) E, f8 v
while[i < trade-record-one-len]
# X) H) U" @( W2 F4 f- f[
[( i% `/ r* A0 b% n' Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& x; r! Z" s) @( o* qset i
/ j h+ Z! L1 N7 C9 K. l2 U+ L; T( i + 1)# ?' C- ~5 K4 A5 S8 k
]# f4 k: s$ N, @& Y+ Y: \
let credibility-i-j-l 0
; f8 j6 v) y8 Y. R4 ~8 m;;i评价(j对jl的评价)% u' p" h. L0 b5 n8 D% M
let j 38 F5 G& ]" ]. }1 f* l
let k 4
8 C0 s* T' B. N J" Owhile[j < trade-record-one-len]
1 d* F- ^% U. f6 d7 I% P7 Q[
! P t; M+ r0 D4 n* P% S7 S, t8 x/ Pwhile [((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7 _( I, R) O1 z- A+ V+ l
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 a) a9 x) g1 B+ G' Eset j& i) h j/ m1 J, j# _; n0 S6 N1 r
( j + 1)) f& h4 Q- g: p5 u9 [0 B0 L9 j l
]# F+ t& ~3 O5 n; p6 g, y6 f/ 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 ))
/ d. X. I! B S+ w1 S0 e) f
5 K* I. R0 D V9 n* L
2 o L- C: |- L) r! O4 a5 flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- m. w, Q5 g& ~% E/ U% n/ o
;;及时更新i对l的评价质量的评价* P+ g- V% F' |4 Q4 B- p& t% P
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! i5 G p% n( m( X e( @& Q9 D
set l (l + 1)' C, ^8 b5 J3 v3 t4 z, t
]- [! O. k8 ^3 R* G, E+ M+ _
end6 g5 P O5 X, v, e
" Y) l& X+ S% t$ b' T! v7 v4 U
to update-credibility-list% t/ y( G! [3 k7 ]9 t4 r e
let i 06 j/ ]5 R5 m( B G9 T+ d
while[i < people]
2 p% x* d9 K* v4 d( x s[% l/ M0 N" ~3 [! A) Q
let j 09 r2 w* H- |* z3 ?7 R: S+ G. h( R
let note 09 w% c/ w T7 S
let k 0
; ]# M$ T& |$ p;;计作出过评价的邻居节点的数目
}. k ?; R) [while[j < people]
, e/ H: h& F0 e% r! z9 ]. Z[
/ l2 ~6 [8 g' y+ G" gif (item j( [credibility] of turtle (i + 1)) != -1)
* R. t0 \" j, r( T1 Y;;判断是否给本turtle的评价质量做出过评价的节点
8 i$ V4 g& C6 K5 p* I- M* m[set note (note + item j ([credibility]of turtle (i + 1)))+ ? Q" C9 K' Z; Q9 Z4 E$ G! o
;;*(exp (-(people - 2)))/(people - 2))]
( @$ N+ `) I' D- ^" U5 o. o- I/ f6 lset k (k + 1)- I( Q7 M5 s' D6 d& w: r) Z5 B
]
- N: s# o- O+ \0 dset j (j + 1)6 @ w2 o( B# ^) M# U5 Z* k
]
% j; _6 E5 S7 \set note (note *(exp (- (1 / k)))/ k)* @, t, x" r* N1 F; Z6 y$ ^! ]; m
set credibility-list (replace-item i credibility-list note)8 O( y5 C" F2 ?' A; n- r# _
set i (i + 1)* Y) z1 u+ s( M/ y; C. v
]
) ?1 i) E3 K3 n: J; o1 k+ [! Zend
$ Z* N. S$ G% V$ T9 L' i x y4 r6 I: |
to update-global-reputation-list
! |: e( }6 G: |let j 0) p( F E- d: D& E! |
while[j < people]! z8 w3 B% \2 e1 K5 |( A1 y5 Q
[2 ~ Q$ e# P- V. b7 r$ H
let new 0
* R A7 u3 T9 _- i$ {;;暂存新的一个全局声誉6 p: G1 E. |6 J7 D/ p! q/ ?
let i 0
. Z7 h$ t% L& c" ^let sum-money 0, Y: g! a; }! r( G6 v
let credibility-money 0
& V% [- y: u% n& H0 g4 `- owhile [i < people]
( b3 Q0 E3 N" s2 _# f[7 Q0 P. d9 B p1 E% Z) i+ A7 N
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 }& M$ Z% Q0 s$ |1 j3 ]$ |1 w0 T
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 }+ j, l" ~; N0 m+ N! Vset i (i + 1)1 |2 d1 F* o; [: w
]9 N- D. v! g+ z
let k 0
2 _9 o! X4 j* u! o( xlet new1 07 B7 b5 \) Y: Q0 ?- f9 F
while [k < people]
6 d) f1 X1 @7 R+ D4 Q[
! x; G$ }3 a% N% L. d7 Cset 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)- \; N3 r/ s1 i) s4 r6 \
set k (k + 1)
5 ?3 }. Z0 w3 U' B2 N] b* K* b1 o% m
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' f7 y2 E; _4 v xset global-reputation-list (replace-item j global-reputation-list new)( x, N. P& U4 _& |/ n2 X
set j (j + 1)9 L& H1 ^$ |. B2 h1 |
]
+ D! X* j/ d; O% u4 C" ^end$ N$ c( v* m: u0 K5 ~
. r$ x. u" L$ c Y8 f2 {! x
2 k2 R) I' I$ l, U5 D
. c, a6 U. ?+ b% E* sto get-color
, F* X' `! y [6 y& z
2 v9 x7 k$ l" }4 i/ X5 q* Cset color blue
) Y9 T/ Q, G2 Aend. N, r: g c$ Z: b; B9 t5 J) k6 X
6 q' `7 q/ A: fto poll-class
' v1 r% } i) _7 S8 V% aend
! {$ M/ K% F2 {1 T# H: c7 I5 }8 `. ?. {5 y
to setup-plot1
Z3 h5 N# U6 _0 ^* D# { r, ~- G% z O6 ~3 z8 b; [) m
set-current-plot "Trends-of-Local-reputation": c ?6 G1 ^. `; f B* r. _
" _ K& `9 D" Aset-plot-x-range 0 xmax
3 x( f$ V/ Q7 ]. i: u) f$ V7 }' X2 G4 { U7 n# {
set-plot-y-range 0.0 ymax3 W( t) e" y+ k4 H8 v1 C9 e
end/ V, [2 w" |* ~9 X; f
& Q7 T/ _* e) \
to setup-plot2. \1 ~* A! Q5 @! _
6 P' U: W# H2 p9 H9 h( m9 _
set-current-plot "Trends-of-global-reputation"
, @4 Q6 m5 f) `1 g. r7 K u- g7 N; R& z% m8 o
set-plot-x-range 0 xmax# z, R4 f1 X( _& [( ?7 H
# Z1 Q, l: O- [. L1 A2 |+ B
set-plot-y-range 0.0 ymax1 X2 G1 m) q& y) {. F
end# L, j, v% b8 k& O1 h/ B# ~
" P$ m/ ]5 T) ~0 c" c9 Lto setup-plot3) J* E- q. I$ m
- S4 r: h. ]: Q
set-current-plot "Trends-of-credibility"* A: l+ ]* r: x" J# [) g% Z& b- a
+ I5 U" d% K$ g4 B
set-plot-x-range 0 xmax. C( F: |2 o# ?2 k+ T$ e' l
. X" h; W" j* ~, t# z X5 r9 {( R! u
set-plot-y-range 0.0 ymax
5 \9 s' G( X+ t6 kend
8 {1 @+ U- z# f* N3 k; k0 V: L
9 L0 q2 \8 C- A* S9 g& B0 _2 Zto do-plots
/ h- q: N3 k" D! Eset-current-plot "Trends-of-Local-reputation" e9 r, S0 d2 K, ]& C# t6 J; g( j
set-current-plot-pen "Honest service"
, e, X; \! h8 m2 o3 L) r$ Nend
. c% O. S+ l* X8 x( ?* p' T: M1 H# _" H& R
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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