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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% G. W2 q) y" x) J$ H, a
globals[
- i% a1 _, C* T: J+ n% N fxmax. G" q3 n' y! k: f! m: b7 A
ymax
* m, m2 x0 o- Q4 l( l+ `! D) Q yglobal-reputation-list& n6 E0 T& ?' J1 V8 n' O( @- n
) k7 i8 A# |2 u1 u+ a$ `3 C;;每一个turtle的全局声誉都存在此LIST中% F2 e$ C" C3 m& |' m. M: F
credibility-list
7 ^3 |4 F! _/ I: K; };;每一个turtle的评价可信度
' C( d8 h4 X1 q9 k9 p$ s, k$ \; G" Shonest-service
- w0 g! b! G) [; d2 y/ c! b& yunhonest-service
8 H& d+ {) G" soscillation" _$ {. }7 k( u) o9 k
rand-dynamic
1 v/ P$ w2 l: h9 L0 ~4 w]0 [. O x& i: B# h5 `* B
1 U4 I& L/ n8 Q3 f5 dturtles-own[
+ N/ }$ x6 _5 g* U" ]# J& t' _ W( Qtrade-record-all
& R8 b. Q9 s+ o ?/ H" J# v( C% y;;a list of lists,由trade-record-one组成& P/ f1 V6 W+ J7 L
trade-record-one8 z# j2 S( o# \) N% G$ `
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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8 U9 a, b6 O+ k T1 y+ b, h3 b4 n;;[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]]
& u H1 P4 F( ^' ^! ?. wtrade-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]/ n3 l' w6 d# D: A& C. c
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
5 [$ h }6 C7 t, D' L6 Cneighbor-total
+ l K" ^6 N- a [6 g;;记录该turtle的邻居节点的数目
; m$ ~ D% @4 wtrade-time1 B4 s' t0 p ?: O4 y
;;当前发生交易的turtle的交易时间7 }7 }* I, K% y+ W* L: A x1 N2 e
appraise-give
1 g; b/ P) x) e1 V;;当前发生交易时给出的评价4 z+ a% [# H% S& [- L
appraise-receive
4 W0 I3 o$ V$ ]- E1 \;;当前发生交易时收到的评价/ s; T+ S6 ]. e% A
appraise-time1 l! L$ a$ e: H7 G! [; t
;;当前发生交易时的评价时间
2 X2 U; z4 c: F2 ^8 D" |local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ j6 W2 }, P5 v/ s3 Wtrade-times-total# G: o) `# H9 V; S' N, w1 f
;;与当前turtle的交易总次数
' A( b( v2 ~9 u6 U( h$ Strade-money-total
' M) y2 n/ c; w6 f;;与当前turtle的交易总金额8 O" R1 d& H) G% B6 z
local-reputation1 O" R2 Z9 E8 K# ^
global-reputation
. ~" W( G9 U" l; \credibility
3 W$ u; E x- s4 { \) @, Q1 L;;评价可信度,每次交易后都需要更新
* w$ Q0 K. U7 I: Ocredibility-all# L' H2 D: ~; K1 m- \
;;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
2 U3 ^1 T& a0 k& S
; ?+ g- |& i* i, Q0 w;;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
7 S& @% _4 A5 d0 k: [1 [credibility-one( K. Z) L& L* L3 @- O! x
;;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. i1 Y. D `' D3 X
global-proportion
' t" T% H! Y2 G6 M; X- tcustomer _* @, l; d" {3 I1 m- K9 M+ }/ W
customer-no
$ O5 f1 ^# ~ y* j( Qtrust-ok/ _7 s9 ^. Y( j
trade-record-one-len;;trade-record-one的长度
5 s. i7 N/ J& B% ~]& D) J* [0 k' r% l" `
8 U, w/ I4 p3 v: m1 f- t( v;;setup procedure
$ ^# U4 Z" U q2 c9 }4 |4 Y; p( U# Q$ ]: ^$ n
to setup! S6 C8 K$ o* [1 J: K5 O
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ca
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initialize-settings: _8 ~9 B+ @2 ^) R- K
& r8 m0 V2 T8 ~+ B q0 U8 Ycrt people [setup-turtles]
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reset-timer
' K6 H4 K/ |. k$ j i$ h% \! r
2 N+ S0 `( R! p, R* S7 opoll-class
9 m/ W! T& | H3 a! H& g7 a; e! `# R, Q; C0 u' T! J, E: ?
setup-plots8 \6 e7 q! @0 h9 s, D, z. p
1 @/ C' m' j0 G0 T0 c& c
do-plots
* u; j- D$ t8 \4 K* ^0 Xend
5 S9 X+ L9 ^' Y$ Z; T1 Y' _
* q; z1 l* X4 o* C' mto initialize-settings1 @* H3 u6 b" `: M1 I {
7 S4 ~& |' K7 ?/ S6 T, ~set global-reputation-list []
* K0 r9 Y, {: w/ l3 j" K0 B ^
" o, B" o3 v- ]( Q# v' gset credibility-list n-values people [0.5]
7 n5 S) G; j& B9 p, q* L3 g/ r( y0 E/ v$ G3 ]
set honest-service 0
& l1 i& V9 f! J+ y' `# Z! h0 L) F3 u
set unhonest-service 03 }$ x' Z p: x+ n- D
i3 [) ?9 x7 i* Kset oscillation 0% d: X2 Y$ {5 L, S9 _& w
r. I4 U3 r4 Z( \. M$ w, J E* ]
set rand-dynamic 0
9 g/ J5 B" A+ E" o1 Kend
( p5 u: P( k0 I' J; J
4 t( F2 h; P& h6 I3 y- {$ A Kto setup-turtles 7 L4 V3 B* P7 N# s% I
set shape "person"
& v: J7 E; P" C( v0 Asetxy random-xcor random-ycor x# M) R% M% g- B/ d
set trade-record-one []! g1 B4 c, C6 ?% h- U
, z! J5 l9 y% G+ i2 @+ w- Mset trade-record-all n-values people [(list (? + 1) 0 0)]
K/ j% J# R+ S* P; j% s( h: ?9 @" J2 ~% h) l$ A
set trade-record-current []
" I) `# l4 m4 ]7 qset credibility-receive []* i( t: }4 [( K% Z6 t
set local-reputation 0.5+ G: s& }* g/ _2 H! X
set neighbor-total 00 M1 b9 c% U0 Q$ }; a# l
set trade-times-total 0$ C5 G, E1 h' B' `
set trade-money-total 0 s7 G) ~ } k8 \" O
set customer nobody
+ [. q" C5 x& k6 J( Aset credibility-all n-values people [creat-credibility]
6 e Z: i$ O: `* [ W; I! Y& f$ Hset credibility n-values people [-1]% E8 [ v6 b4 X$ x
get-color
; ?) C# S: `7 y9 S- \! _, w: [3 K: |$ A
end S" n- B1 G" S3 y. H( _/ k8 |5 S- E
" w* i0 g# h0 _1 s, D7 S) Yto-report creat-credibility7 q8 S2 `* r! U6 F! W/ I3 r
report n-values people [0.5]" Y$ K) n# \, Y: S- y3 X
end
: h' A! ^2 }3 p3 i& j
) q; D8 \ ~4 f: |+ E9 _to setup-plots
* S1 L$ O' H$ `2 b! s' {$ R; M9 m
- `9 H+ P. X R9 J, F- l* Qset xmax 30
7 L* u5 _4 _) ?5 M' ^" @2 P% X4 V4 L6 { x! N+ s
set ymax 1.0
g1 \4 P& y' T: y
1 B, L6 z9 @+ cclear-all-plots4 c$ `- t4 Z1 ^3 p* l: O$ `
~5 U- A4 P! f+ X7 isetup-plot1- D2 D$ _$ k8 B, g
+ |/ V/ }. o! {8 ^6 Usetup-plot28 O! z0 O- P2 Q* L
8 U/ m) P t& V* j+ r8 |
setup-plot3. F- g( G! q C9 [
end
% h- v4 W. s( c6 n
: |' d1 ]2 U% Z;;run time procedures
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# s7 g. C* p R% n2 Pto go0 c3 k" J$ E8 d2 A, Z
# `' h+ Y- S5 c0 y
ask turtles [do-business]
9 C' B: d3 B8 z2 [end$ P5 v7 p' n4 s: Z/ k( X1 d
+ `. `! x# |( x/ f/ Uto do-business 6 c: n# e: L$ M
/ V7 t3 d! v. \
7 U, O2 h6 d0 w7 _rt random 3602 U6 E* d( ~8 Y- w: W9 c3 N. N
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fd 19 E% n. V/ O+ P- o$ P% y& g$ P' |2 V
& \# S' ]+ E! N, W0 t' u9 Hifelse(other turtles-here != nobody)[* P1 t: p' z% Q8 V" U; _' S
' d2 _* H1 w& Q5 Yset customer one-of other turtles-here. r" Y" _0 f+ ]7 a8 v; K* e) K
) O. g8 q! @+ x. l& V;; set [customer] of customer myself, J* {: P( L) q0 B. V. A1 A% X
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set [trade-record-one] of self item (([who] of customer) - 1)5 v" g& q3 ]0 Y7 C
[trade-record-all]of self; M& I9 I& N4 H+ `" f
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self6 K7 q0 t% N& ` C- a4 N
- F' Z& l& z# pset [trade-record-one] of customer item (([who] of self) - 1)
% \7 O# C' Q& Q+ [. C' I" |& \: v[trade-record-all]of customer8 Z/ m* M0 u; m N9 L
) B. w3 _2 S3 D% O( Y% G: p
set [trade-record-one-len] of self length [trade-record-one] of self8 j W/ _3 X$ x# H9 Q. A v6 u
2 {( h0 h! \/ r1 y1 Nset trade-record-current( list (timer) (random money-upper-limit)); t6 B* _9 H" w. s" U
p0 I( s0 t! V; ~! A: Fask self [do-trust]
+ U a" l& b9 }/ v) m4 c+ m; Y. w;;先求i对j的信任度$ A- N' O, M. z/ Z0 l/ Y
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if ([trust-ok] of self)
3 Y4 N, C* l6 p; [2 @;;根据i对j的信任度来决定是否与j进行交易[; [8 B5 E9 A# V3 a N1 p
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ ]. ^( R- H4 E3 d1 @
" W5 } U- t- E[
9 a8 D- H! ]; J4 H, \8 h0 P' y& R, e* T: N# F1 X1 X3 B# \1 r
do-trade, `. D( N# M1 J* ?. E
; c7 n# W" \+ k z# s. p
update-credibility-ijl
2 a' C) X' Q& x% C x- X8 C4 u8 A- u; U. x
update-credibility-list, H9 L8 k1 O2 a
/ U: M5 l2 S& a; ?5 m* p. i3 O: Y, N) [% |! E+ o4 u7 `
update-global-reputation-list( |6 d$ [, R# X* q
4 c5 T% k) @; y: `
poll-class
( [. V6 R: K( w E: u& U G: h% E- P b5 v9 H
get-color: ]1 W, n7 V3 k
8 u4 C7 B& s, l4 Z+ b( h]]
# O6 p0 D$ O2 S, s( g4 O# Q( m0 K0 w5 r; C$ y {& ]
;;如果所得的信任度满足条件,则进行交易
+ O" y0 o2 B, u6 m5 ~% A" H' e8 P2 h# _; _) ?* U& t
[# u& h) v% @: B7 y' P1 C
4 o- M) E- T+ Z; x1 Ert random 360
" w8 b" i. s( R: G: E
& Z9 I0 [; V7 \2 U( G% c9 \fd 1
. {) ]0 @, j* l- r0 x' n
. Y, g/ E J$ m]
8 Y2 \" m. W* c* G' w4 W
! B5 [- I2 D# a& J: [% T( F% dend7 B' r0 P5 {$ Q5 C, q! l
3 }# S0 u, D1 s& @4 i
to do-trust * C6 @" T; U+ r% P
set trust-ok False
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let max-trade-times 0
/ j' g) N9 l s3 e7 Xforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ z8 P3 j2 M) O0 [1 ^# R m# G+ C
let max-trade-money 0
7 y& g+ J( l7 oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 s* t1 [ a# y, z- zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))% v1 Z% L9 ?. M# q
- Z2 {: a3 ^5 C
" |0 X1 f' [9 e+ Y1 [
get-global-proportion8 w" s# t8 e! {, w/ j% X5 X5 w
let trust-value
2 [7 q/ W* C3 F! D/ B$ Blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
( Y5 |* s8 F6 X2 M& B Zif(trust-value > trade-trust-value)! P6 d2 h! ?/ Y
[set trust-ok true] l+ q- Y% u# u9 N
end
* L0 \: v& y, K2 c" Y5 ~3 W4 M* G3 A) i* U
to get-global-proportion
x, R- v. {0 f7 U, P: w; F! Uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 z4 l" p' _1 j* t4 u& ~ {[set global-proportion 0]
& L; j Z, k1 Q& S7 E" F[let i 0
% P H) b8 z! A7 o" U8 Glet sum-money 09 Q' u0 _& W: ?, q
while[ i < people]
: o* p2 G& |( s( W2 a[. e9 n [" G! p) K
if( length (item i! B5 Q, s a; Z6 i) A& z9 G
[trade-record-all] of customer) > 3 )
5 s; o# O& C# f5 h3 Q[
7 S8 E& J# l: z$ }set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 J4 f% {0 m! n8 g+ K3 Z]7 c" U# Z5 }3 F$ Y: H& {2 B
]- V( O5 I) h# n9 m9 |' ~
let j 08 F7 n- j7 r" A1 G' ]2 m
let note 0 b- i ^9 I$ d& N8 y. X( B) V
while[ j < people]
1 H: R4 i" ?# `4 a7 |[+ r% Z. t- {' J# p, C
if( length (item i5 x% X+ g/ t- T* s
[trade-record-all] of customer) > 3 )0 `! r$ A2 t7 e, U% r# ]9 x2 v& N
[1 D" Z l- R' P4 R2 J& {% F/ p1 V
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 B$ |1 b1 F+ G/ y: L. G5 P[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' P$ G6 r# a4 @9 A" r; [) o2 J[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 I8 v: v& [/ }- @8 u3 O5 j9 N$ c6 }* { H]6 |8 p3 j0 W* R% U+ V# x( K
]
3 b+ F6 p' S; |5 i2 }5 U) Hset global-proportion note2 b) T0 s+ u+ y0 f6 S2 b5 b
]
& N" v4 J8 {! i- eend: O8 s" X, v5 p3 F) m( c) l/ |; H& d
; k2 @2 }. j5 r! E0 L( sto do-trade& a4 v& @4 }4 s8 S t. f
;;这个过程实际上是给双方作出评价的过程0 H) |, v5 {5 j( z- J) B
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, Y/ \; Z+ b1 ^, T: cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 z- C( B* m& t. n" ?: l. K) x
set trade-record-current lput(timer) trade-record-current
* i! A% }6 X. Y1 U;;评价时间/ L4 Q/ g7 }4 V
ask myself [
9 |! B8 I7 j9 A* t: Nupdate-local-reputation
9 u& s$ w0 d1 T- G: ^set trade-record-current lput([local-reputation] of myself) trade-record-current
4 f& Y. W' z8 `6 w ^. ~]) [0 P: S" B: y, k% K# R1 _
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ m6 A8 p: h3 N% ?+ ]& c% l
;;将此次交易的记录加入到trade-record-one中
" M. |& j [4 @& c* N& \4 Lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ B' I; M8 c* Y( ^ l- b! w
let note (item 2 trade-record-current )( c! y2 ]+ x( e# f7 U! A
set trade-record-current
# h9 u6 \# f# Z8 w(replace-item 2 trade-record-current (item 3 trade-record-current))
% V/ U- I9 v U- f# Fset trade-record-current" g' e0 S6 |4 Z4 \3 S
(replace-item 3 trade-record-current note)' J- ^: @7 y* s+ u
" V) D7 Y$ T8 y3 j2 ~; k2 @0 q0 `9 B
5 x- B! o9 y( w" ~
ask customer [3 t4 s6 `* L* w
update-local-reputation, w1 h! u t, A" c
set trade-record-current
p+ V0 k+ L0 S, S- p(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( W5 K% Y, ~& \7 @6 b
]
, o9 d7 Y: C; l( g$ |9 e
' d( v7 D- K3 q5 M/ N* f( t+ q7 z4 _/ [0 _
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 C: B# \6 {8 t( v( Q
/ Y5 e6 W: q2 F+ n& V6 t9 Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
) @( l: J9 o3 s! e# Y;;将此次交易的记录加入到customer的trade-record-all中+ t7 q1 H1 v4 V
end
. J) y# v& `& m B
/ q$ P, ^, `+ {6 Xto update-local-reputation; l" T1 J" K9 m: J5 Y( d! z& b
set [trade-record-one-len] of myself length [trade-record-one] of myself
* S8 I1 W$ _7 \3 s4 m7 }
3 R8 w m% E! b k- P* |" j: h, X1 D, A$ G- g: Z
;;if [trade-record-one-len] of myself > 3 1 ^, F, Y. v/ v1 K) ?/ e* L
update-neighbor-total! g4 h( A$ x0 c. N& v9 Q
;;更新邻居节点的数目,在此进行
* I* m9 s Z% Q8 n2 m+ Plet i 3
( w; a( D3 n, T; I! h9 [let sum-time 0
3 e: \+ E8 m8 H- b8 K& I- Hwhile[i < [trade-record-one-len] of myself]
~0 @! L0 e/ Y/ {[2 F4 o4 T: |! i# f
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 U' u7 @- a z9 H
set i
, F) ]: w2 H# o; [3 ]( i + 1)
+ a, @' `- ~: V& b]
& n" H" t" s+ dlet j 35 \9 F. [6 `0 H" c0 ?
let sum-money 04 u9 h# J* k% h7 Y0 _
while[j < [trade-record-one-len] of myself]
; H7 o: ~' I# ^3 y. m[6 r" `- D' V" C2 @* I
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)
" t# {( U# \" ?# h: iset j
" P- V. n2 S8 |, B3 U( j + 1)! Z: Y9 n2 s: z- z f# r% K
]
6 c% X D8 I0 x, Ylet k 3
& T% X( [0 \" @let power 0
4 u) a5 o8 T2 e# J# N. ulet local 0
' q7 C( [1 ~3 Q: E4 K5 _while [k <[trade-record-one-len] of myself]" P4 o* G/ W" K; y
[
5 ]& c. u8 n3 g7 R: b: Pset 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) 1 U( B% v) o C) Z4 B! M
set k (k + 1)
' \& A2 b, A9 s; a8 ?]
! m+ r5 U% `9 N4 x) jset [local-reputation] of myself (local)) I( R6 f- m/ D2 e1 t) l! w
end4 b/ S% }. Z0 L# v, `, f: D
v k O. x) X% W
to update-neighbor-total
( s* `- x# ^+ T1 S' S2 _6 h3 d3 H9 K/ o+ P. x, T
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; C* f- T4 J) }, e R9 \4 z
$ f! R/ e5 u' U6 K% @% ^' M
5 ?7 N4 M6 b" o y. G7 F cend
. a V `" V8 N: m2 I" [* |2 T
4 T8 G! K' Z" a( I. dto update-credibility-ijl ; j& W! v0 Y2 _$ u4 c& [
1 h2 m; I7 j; s& y! ^;;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。% h' |( |" p/ E2 r5 t8 Z
let l 0
& v% t: C3 J; ]. `. q6 Z7 dwhile[ l < people ]# A6 @# F) |8 w" Z8 I! Z3 i0 }
;;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% o# Z! I" H3 u
[8 B/ w3 N3 ~% _, `$ t l: D0 Q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)/ k! }* Y; L& X# R) R$ h
if (trade-record-one-j-l-len > 3)
: _3 B3 J8 R7 z7 E[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
( B" x1 p# o1 r; O; ^* A. `let i 3
8 z0 m- ]5 K8 b# u* R& ^; W8 alet sum-time 0: X/ D0 @# M% T! u
while[i < trade-record-one-len]
' C9 c0 e& |$ d' n) ]. |( z[& K# l; d# ~7 F3 |
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' }- ^( C' l5 `* O4 jset i2 f. P7 ~: U* W% E/ o
( i + 1)
9 G* p* u e5 Q: p3 A3 z* X' F, B]# ^* g' [3 L- y2 F$ K: ?
let credibility-i-j-l 0* H. s6 x5 a, s* Q3 W
;;i评价(j对jl的评价)
. L% t @0 m. X Y5 qlet j 3
n @: o0 ?) f9 \let k 4
* ~9 |' T" G1 |while[j < trade-record-one-len]
1 W0 I+ ?+ O) Y[
* C) H3 M- C% o% 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
. z3 l4 Z+ F- U/ |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)
; @9 R: M4 w# D; s" b% wset j% [1 r i v- F+ i" O6 t
( j + 1)
, _! z9 h, e2 P]2 [5 Y0 F' X) W$ T: Z- u8 L. f
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 ))
8 z; ]+ S" y: t) |+ H1 L7 f
+ R6 s3 |: N" E; N# Z& X* ~9 x: M$ I# J ~
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ V5 f7 _+ x# _1 f9 Z7 R9 i, \
;;及时更新i对l的评价质量的评价5 a t+ L5 H. }, O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 [% H y: r- w/ {- t! `7 v0 @
set l (l + 1)1 W5 k6 L6 L* d4 o
]
$ J2 M1 S# F2 g) F* ?( Uend
) e' Z3 H: C4 h
, z3 K5 \. [! i& xto update-credibility-list
0 d% _; W" z8 w+ glet i 0
- d4 L1 E d, S6 J0 Fwhile[i < people]
, D2 n% o7 ^1 H4 j" Q4 C[
% \& w' |" ]+ n) q% zlet j 0
/ U: T) W: u6 X y1 A, Vlet note 0, G' _9 Y1 U _* }; O5 m$ l
let k 0. x ?" P8 Z$ Q* W- b$ P
;;计作出过评价的邻居节点的数目
- u" J) }0 S. T. Z/ {' vwhile[j < people]8 @' ^+ ?3 k) M% o# _2 G9 v0 ~9 J
[1 R' A3 c' q; j. U. `
if (item j( [credibility] of turtle (i + 1)) != -1)) `8 y. q# M& M' e: l
;;判断是否给本turtle的评价质量做出过评价的节点
$ I% y; Q/ X# S- {3 E[set note (note + item j ([credibility]of turtle (i + 1)))
/ E K9 T% u5 v8 m; n( V2 c$ G \;;*(exp (-(people - 2)))/(people - 2))]" v/ w3 Z3 H) l
set k (k + 1)! u) ` H( m5 J7 g4 \6 C
]
, h% J" I, S9 X/ K9 |set j (j + 1), ]3 Q p" d/ h" e/ d
]. f# T9 V1 p3 W$ K
set note (note *(exp (- (1 / k)))/ k); F% D$ Y7 q* J" m, t" j$ a' q
set credibility-list (replace-item i credibility-list note)( F$ X2 [% O9 x) u" w% s, [9 |
set i (i + 1)1 O4 H$ q7 o. E9 @/ ^
]" A* J \2 y% V; b+ X
end
. L5 D1 a' J g8 M% T
# \; m# T, [% A, Y5 \ K1 x3 s9 \to update-global-reputation-list
# n* `& ]: Y! G9 Y! p0 i- tlet j 0" r- N8 e0 H8 U" M0 |* N; @' t
while[j < people]
! u# l2 P! k. g0 p Z, z! M6 v[
+ @! n: `3 M! ]5 N: w' P5 G2 M( Nlet new 05 T" F' r3 |8 R2 z$ C
;;暂存新的一个全局声誉* f8 q& |* l9 T7 A4 y* l# v
let i 0
- f( F& u9 \1 P% klet sum-money 0# Y4 X5 u+ e! Z
let credibility-money 0/ Q( ]: q( Y7 w; ^) p( \
while [i < people]5 b9 f2 c# N& H, Q/ y: I) K [
[
# x' c, D& L3 }set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! M; Y9 q5 Q" v: ^2 y, B2 T- ^
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 F; h) q& h7 {8 H3 ]set i (i + 1)6 b1 f* o [6 G1 T. H7 i+ Y' w6 G
]* [# |, y6 U' I! x. B
let k 06 S& M" P) g- b* ^
let new1 0& A% N8 @. ?6 y6 q1 V
while [k < people]
( l5 r2 ]" D9 {[
. [8 y! M7 c) \1 Y7 Fset 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)% P8 X6 s( V6 L: T' L( k( d6 ]- r
set k (k + 1)
- [: P7 A: s" H7 B- m1 y# W/ O' K- F]
- ?& ~8 H5 ^$ t4 W: Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( V& r: m: Z1 W9 Y( I% [8 D- L9 M
set global-reputation-list (replace-item j global-reputation-list new)- L/ j( J& e$ S
set j (j + 1)2 p& l4 v$ E6 B' d* o9 O2 ^% q
]: D) R/ e+ r, h. B# t
end
1 ~" ]; l: u, N4 P- \* r; ]
& S6 V" X% w( i* d: x3 w
2 r: m, {: c9 H$ [5 w6 R
2 q( D3 \- e! V- \3 G% t+ `, |to get-color, G1 I: g! v" N" N; O
* ] ^2 L: s. D- ]$ q, W3 W. yset color blue
4 d+ P+ g+ B* f, c4 ]end
1 t2 L& u# H! ?% K: }) n, W& Z# ]2 O* h
to poll-class
; X$ A7 K2 C0 B6 ?" h6 uend" {8 u9 F; h, W+ p' N7 C( I
7 D [8 x% `/ u/ {/ q9 t ]
to setup-plot16 d* E4 b" a2 ^2 h' e2 s6 {
- E0 b6 m+ U5 }5 F4 [& ]$ Tset-current-plot "Trends-of-Local-reputation"9 V6 b1 [4 D% {3 w( G
, C$ W) F7 B& A3 _set-plot-x-range 0 xmax( ~% p5 [8 ^( [6 Y5 G7 o
' p* _$ T4 a: C bset-plot-y-range 0.0 ymax
& V" g0 S' q! O9 gend! j( ]/ i" g1 e8 A. d* M
! a; R- w" h& U- Y
to setup-plot2) \- _3 R0 n, _8 Y5 Q- P
2 A h1 t& A8 D- E3 |: G
set-current-plot "Trends-of-global-reputation"
- P% ^! d5 c7 v8 ^) T" Q
' w8 n8 @: s9 w0 c; Cset-plot-x-range 0 xmax
* J: t. K5 ^: o( @4 K! D8 J) U" Z! X
set-plot-y-range 0.0 ymax
' e2 c; P3 F C0 }end
1 `! ~4 }4 H* j9 N
; W- ]7 F0 p7 H' E- Uto setup-plot3
; E( h9 [3 k$ Z% A3 ?% ]% C, \$ M+ H' L5 l
set-current-plot "Trends-of-credibility"4 @8 j) p* v4 A% E2 P
" y7 q% F1 |3 P8 k$ t A) ]/ z
set-plot-x-range 0 xmax
8 Q# L: P$ R, i4 e& h5 P0 U, j. v4 _$ {7 }/ \0 W0 H
set-plot-y-range 0.0 ymax( Y$ X/ I. b3 D
end! X% o7 i! U- x! W& J2 p9 b, Q
( `+ d0 R+ j8 V/ Z, Sto do-plots
' G/ l, o3 ]8 Mset-current-plot "Trends-of-Local-reputation"% a F. O* y& F: Y
set-current-plot-pen "Honest service"
' V' `7 m& v/ F+ e1 ~; s9 I% _& qend9 }5 x: n3 h: O7 ?1 P4 d G
$ v! v) u, Y0 c/ U% K[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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