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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+ z9 N7 y; M+ ]$ n$ [1 E
globals[6 h F! q" w& @6 p
xmax5 U! |4 h! }: f- D7 H1 [2 P) A
ymax
! M% B* p" l/ ]% y$ ~" W0 |0 ]global-reputation-list
m( B6 o4 ^9 N- ^ u a5 E! l) T0 j# T- v- X- P1 w
;;每一个turtle的全局声誉都存在此LIST中
% z) H& r$ f: P" Z" Jcredibility-list7 p9 K( w; ^" d5 g# e1 H8 w
;;每一个turtle的评价可信度
' k& T5 b6 ~- ohonest-service
/ v5 |- w: o, f; ?: n. u lunhonest-service
' i: L1 l2 l* D5 q4 r3 Coscillation2 p5 Q! k# W% G3 k& P# C* E
rand-dynamic
$ }7 ]% d. p) w% V: r" C]
4 s+ w" L. h2 i1 ^7 A
1 U: j) J! H7 G% X( w( _3 oturtles-own[2 {1 |5 f6 Q( Z- l* r3 L3 [
trade-record-all
5 I: |2 B' z" V; @1 F$ F: O;;a list of lists,由trade-record-one组成
3 O8 D* J/ s7 r a& ~7 Rtrade-record-one
1 }0 v( w: A& P0 p;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ B! K8 w% d* }9 Y- X$ v
6 ^7 O0 Y6 ], @' W M) {9 }; e4 @6 \
;;[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]]
! r! L- L) ?9 d: G+ jtrade-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]
- \9 T5 Z5 w' w' {% n7 o# _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
( f* A' a9 @$ K; j) h* _* mneighbor-total
' X) @$ S2 P |+ _;;记录该turtle的邻居节点的数目& J7 e* @* N% H( ] C/ H
trade-time9 b0 U K) B1 u: g
;;当前发生交易的turtle的交易时间
, q6 q2 ~9 p0 d# Lappraise-give$ e6 q8 `+ @- B
;;当前发生交易时给出的评价
4 X9 u. o% n! s: H% Z2 z* bappraise-receive
3 x5 x# H) U2 `9 \& Q c;;当前发生交易时收到的评价' ~* n1 N( N" u* G A( ~5 r
appraise-time
+ ], M5 ^7 N$ C: O: Y K;;当前发生交易时的评价时间! d2 k% u! x' b: N% p" o
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ ~/ M& V% q J& D* Z
trade-times-total$ \$ ? b4 R* ^, i9 j; R" F$ X; X
;;与当前turtle的交易总次数
5 ?' Z. ?$ a- x; h, p1 ctrade-money-total
1 o/ m+ }+ ~" A& ?;;与当前turtle的交易总金额5 l1 m* ]! P' S
local-reputation+ y2 A2 U- ^+ v+ T
global-reputation
+ ~: W, R: q, |9 ncredibility
' y e* z, w& X! t; C* @' d6 u;;评价可信度,每次交易后都需要更新
$ _- b9 S) M* G! C4 Rcredibility-all
1 v5 s7 y6 a* p& M4 j;;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
5 h8 v: L! N% T3 _, Z) s
" j, E& }2 ]1 d, S- 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& h/ ?; k0 I W/ S# b9 e
credibility-one! w% @; d- I( t) I3 f( t
;;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
" y3 S8 y5 ?* g: l6 r p- ~! Uglobal-proportion! Q* @5 y/ O' _
customer
7 T( l. t; k& dcustomer-no. Q, O i I1 s, @2 t% V
trust-ok
: T9 }9 W' ~% Q- T, etrade-record-one-len;;trade-record-one的长度' g+ ?& J* t% [6 q% v6 ]
]
$ ?. Z2 ]+ k0 q5 g2 a$ P2 \& r0 u+ s. O0 B. C1 f0 G" C& y' ]
;;setup procedure1 g( d* Q2 Z/ U) Z/ O* i$ t( O8 c
( @: |7 Y6 E k0 ~to setup: _7 z, ^/ l) p4 Z4 B" [
) D, {! _5 j) U5 _* q+ aca
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8 ], t+ ~, _6 Kinitialize-settings
# [3 Y. j2 d' z
% O; T- G9 a, v1 D# ^! Wcrt people [setup-turtles]
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" B/ A. V% h9 n1 L: creset-timer2 F3 M/ ?' C% h
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poll-class/ s1 j9 ^$ i- K' _
) m# [6 H7 b. F* Z
setup-plots1 B- J# e" _' f3 Q, f
{- h, T# h+ ?: o
do-plots+ P0 e1 ?! I! _- m% i" [( C
end0 C" T0 N3 J6 x" W
& o% L* a7 r) p7 r: r$ Q3 S6 Fto initialize-settings. p7 X9 Z& r8 k# C
( L% o- x/ {5 N; wset global-reputation-list []
4 L, T& H' M6 p1 }
& g: v. B j" W+ kset credibility-list n-values people [0.5]
' M* T0 U! S! X6 T# e( H7 N/ C1 }) Y" R- b
set honest-service 0* h+ K I# [" ?2 `8 i/ h. T
V, }7 R# n9 k! s; |/ J+ c( kset unhonest-service 0
$ e# b4 @9 }/ I4 M: y# g7 @1 |6 a2 i Q3 L+ Y N1 j
set oscillation 0
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set rand-dynamic 0! @; n* f, }5 v
end2 y1 y4 g6 [0 n! @% Y8 m
8 n1 m% d$ X6 r/ P% _0 ] c, L- v4 d) E
to setup-turtles
' q* W: T+ K! o; Mset shape "person"
" e5 J {& r) N M" N* j& }. V5 Psetxy random-xcor random-ycor
; V1 B3 f- K) P" t6 dset trade-record-one []( I; l) ^- [6 l2 y5 V3 V
" u9 N, I* E2 R* J& ~
set trade-record-all n-values people [(list (? + 1) 0 0)]
8 `$ r) n+ {' U& D0 Y0 j/ D
( B/ o! M. K) t8 a0 Gset trade-record-current []* ]+ S# G3 _1 F5 F" _5 Z" }
set credibility-receive []
5 \. q: c' V' o/ X9 r# b uset local-reputation 0.5( Z9 ^7 \) [: U2 l8 }
set neighbor-total 0
: {2 X: I) b2 w1 J n3 S: y& Lset trade-times-total 0$ v. y, v* M& W& ~3 X; r
set trade-money-total 0
: y% W. E( l8 W# v8 U7 H6 eset customer nobody' l9 x9 v$ v, g
set credibility-all n-values people [creat-credibility]
. r9 N+ {* H8 j6 o% lset credibility n-values people [-1]" I* g' `4 r; s' e
get-color* o ?- T# s0 l8 T2 |- Y
: \! I( S! H% b+ f+ e, oend3 t( w: P: J* Z0 `: ? U% V
" d: B" F; d4 i- [to-report creat-credibility) M- i- \, [2 D+ V
report n-values people [0.5]
2 O7 M! Z- c; ?/ Iend
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; s( |% c- Y( l& g( w- y3 bto setup-plots1 F, T+ a9 |& z8 E$ w
' u% u8 L, v$ N2 q: x- F
set xmax 30) Y7 H0 b# ^* N4 s
# H. Y0 ?% ]+ U1 T& R& h }8 }set ymax 1.0
. E0 g& f+ S* I% [, ]' Y# X
- O' j6 a+ ]( x9 I/ v/ ^clear-all-plots. W+ Q# K* H, c* l+ I& o
2 `5 o5 i( L# R2 R: \4 f* a
setup-plot1! m. F. d0 z, ?3 a: n
. m; f$ Q4 [) t$ \6 Gsetup-plot2, b" q) _0 N7 p% u' D7 r4 B
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setup-plot3" f# E( S) T, E9 J& M- ~6 N
end$ n" T o, A7 f8 y5 |- P
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;;run time procedures# K4 [1 u8 e& h |9 c
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to go
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8 l: d( a" P* j6 ^- h" i* oask turtles [do-business]
. B o% b3 a6 u2 G; Vend
) Y% r/ ^, Y3 u! Z9 @8 [, t/ M9 J1 ]( ~& N' ]( E: j O7 R- Q- N
to do-business
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4 D6 R4 F2 r% v* z' t+ ^% U8 K
1 C. I p8 @" f p" h4 Krt random 360/ `$ _: [6 L) ?2 ^' h1 x {1 c4 B8 q
0 x0 u. ^3 p, z6 pfd 1) A! w. U- G1 L" {9 v, \- d5 m# ]; ]' I
# W5 ^( W! w8 t1 m$ Bifelse(other turtles-here != nobody)[
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+ Z$ ?0 A; R/ v5 y7 oset customer one-of other turtles-here8 V* a4 u9 o& w6 }
* f8 c* w' ~+ ? Z;; set [customer] of customer myself
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2 }0 P! C/ G2 `' Z8 Aset [trade-record-one] of self item (([who] of customer) - 1): {: F: j5 k& q; s
[trade-record-all]of self2 A" s6 T; A% ]0 Q8 W. z8 T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ ]3 N, \) W v# ?1 O
0 o2 K' u, y: N) J3 e
set [trade-record-one] of customer item (([who] of self) - 1)6 p; x& ]: G1 j8 X y
[trade-record-all]of customer( n$ k3 \- }+ k, g
, f) Y, Z$ \* p8 k i
set [trade-record-one-len] of self length [trade-record-one] of self
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. b' m: N# }( E% Q8 A, t& G: ^set trade-record-current( list (timer) (random money-upper-limit))7 @5 [3 ]$ C: a2 j2 R. A: V* D$ ~2 P
7 g( G2 q. B) W- U! mask self [do-trust]. T- Q5 }& d4 {5 A3 J
;;先求i对j的信任度
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5 s @' m8 L: g+ M, ~if ([trust-ok] of self)
8 Q& k5 @. \, [- C; z, ?;;根据i对j的信任度来决定是否与j进行交易[
2 V$ s7 y: o2 f" X/ pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' R: W2 D% I# A4 T0 I, [3 v
( B2 V0 s, l) f: H: I9 i+ k0 v
[! v( d& Q2 E" l x Y
8 q! L; A( B. N; @% q# X9 l& P" }do-trade
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3 W0 n# {# O2 ^6 U1 L7 M9 oupdate-credibility-ijl
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update-credibility-list
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update-global-reputation-list5 x9 k8 {' u/ R& p$ r X& b& x3 S4 u
( `. ?& u/ l4 c3 D6 Fpoll-class
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5 P1 ~* B0 S; C6 |( dget-color
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) t, r! e1 n& ^" ?% `; z" b]]
& c5 E5 }5 Q8 J% v+ G* l& T4 z, M* ^( E: F; j! {
;;如果所得的信任度满足条件,则进行交易' P3 i0 R3 Z: |* z
5 ^( Y5 a- r8 V6 G! I
[
3 k. Q7 Y+ j. a# I( |6 w
0 j, y7 r. l- F k* lrt random 360
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fd 1
) N6 ^, {3 S, ?+ |0 u( T+ A# @
) q/ p) K) X6 U1 U! T]$ p4 U0 E t1 E0 P6 C6 u& V8 d
4 m- s9 s8 u( j6 H$ A: @5 rend
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to do-trust " j% V( f. x/ M- u# P
set trust-ok False* N' n$ X& L2 j% A4 H2 c/ l# D
~8 ]5 \/ K4 l7 A1 [
. f% Y8 X9 ]/ ^
let max-trade-times 0& z* q0 j* G6 |4 g* H7 K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ E5 m) e5 E. {, ^2 Z) i _; v
let max-trade-money 0
" [% L v* E/ {foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; I1 L) [* ]4 a) x( Qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" D7 b" L' O. a1 E6 x* j! }; i! J
/ q4 I; e/ |0 v
! F' ] m0 d! q' Oget-global-proportion
" c% `- Y: t( D# Ulet trust-value
! T6 G, I1 e& |! t% Wlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' M6 k4 M9 x/ q% q
if(trust-value > trade-trust-value)$ v% G! `; B& D/ ^, V
[set trust-ok true]( @( ]7 W) }! n! G2 J" ~
end/ S# A0 }* D8 }/ A& K# m: d
: B6 o8 ~1 i0 k' Y7 `6 _to get-global-proportion
, _ T$ L5 ^# o9 q+ g+ {! D9 \. {ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 F3 p7 J3 D' H" u[set global-proportion 0], l9 I2 r+ }/ }9 q9 H& ?, y
[let i 0: }: U( E4 u& M
let sum-money 01 l. F2 y. W2 z
while[ i < people]
: D- F# U- I2 x7 t) J9 W6 `, e[
h; x, I3 J5 A6 G. Oif( length (item i4 T0 p! H/ K j' Q! G& s: L+ s# C; ]
[trade-record-all] of customer) > 3 )
' F7 Y% |0 x4 [[
1 E4 I$ w( S3 g$ Lset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
% P4 V- U9 a1 h5 L9 d]
! Z( [' g. g% C! C7 b9 P$ W+ i]
8 D! J `) a( k3 o! Ylet j 0
) G) ^* L, x; R1 olet note 0& A8 [. H, c4 P4 o: t% r5 o
while[ j < people]
9 h7 `2 H5 h. Y, O% `6 e' z[1 ^% p1 K: B5 P: D# m2 z* B
if( length (item i& |! Q0 J! e2 C g* I1 Z
[trade-record-all] of customer) > 3 )
# U: `6 W: J: M8 ]& D C[
$ w1 T. j; t! ?5 rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" R( e- x) D' s* Y7 }( m6 e, q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: C8 Z* d3 o% b! t9 o8 X* G, j* w[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, B' O2 o' \# w/ g) P& j( z]
V' }6 m( s' S9 b]
# x9 e9 U. h: P; G; X0 [set global-proportion note
; ?0 m7 |% ]+ p+ F! ~1 f]
0 D/ x) U6 r4 `& c) ]4 bend
* d A5 f' S& V0 e4 W
# F! V+ Z, l& l1 sto do-trade
8 q( P# p8 w/ n6 F. V( O% U- @;;这个过程实际上是给双方作出评价的过程
+ a+ M' B0 {1 R- z- N" Z. Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. g! _% D5 o: d' k) ]. f: n# {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 m% z3 v9 X+ t$ \
set trade-record-current lput(timer) trade-record-current
( f: K( ~) T4 L4 X8 K1 D* @; _;;评价时间% q+ H: N* I; H' g
ask myself [6 Y1 b9 q8 b6 u8 L. K
update-local-reputation3 u7 ?: a3 Z. _5 I% } @, O
set trade-record-current lput([local-reputation] of myself) trade-record-current: k! x1 [# H5 k+ N5 W: @1 O
]
* S8 B: b, A9 S B% U7 ]" g6 {set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ y1 V1 k* f, p' j7 p8 }
;;将此次交易的记录加入到trade-record-one中
1 O5 q W" n: tset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
& K6 @* Y5 c, K1 O: llet note (item 2 trade-record-current )
$ @ h+ ]/ \" f' x4 h) y A- T$ {( F d, Rset trade-record-current. R# T: @! `6 b# O# j
(replace-item 2 trade-record-current (item 3 trade-record-current)): e9 z% C* I) F
set trade-record-current) b, k% d) k" G+ e: ]/ O
(replace-item 3 trade-record-current note)5 A8 z5 F( A* L! z: p8 W. ?
7 }% G. K" |/ T, J, s5 C3 o
) S# g `4 u% R; ]& `) P/ jask customer [
: v; C0 M- B/ Y% dupdate-local-reputation0 r/ d1 a, E4 c0 p. \4 V
set trade-record-current- K" g4 |9 f) s2 N
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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+ G( C! J9 l4 k' Z/ h) ` X6 s
0 k( m) d+ a8 k. t o/ [6 f3 _
* c; n1 K% g. v( {/ ?3 _5 g- tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; x! B4 u( z+ P/ H
; u# f, A$ d8 E, h# w2 Aset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
, h R4 }0 i2 k" Q+ y* @;;将此次交易的记录加入到customer的trade-record-all中
( o. L% K7 M, qend0 `9 [5 B9 T4 l' K f; k. S
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to update-local-reputation
' f4 j) X/ q( g6 f/ F' o( `. gset [trade-record-one-len] of myself length [trade-record-one] of myself
% T- Y. B4 m# t. @2 i9 k1 m* e2 \# b! c( `5 H
% c! ]) a; d9 ^! p1 e- ]
;;if [trade-record-one-len] of myself > 3
0 C) [; p* F8 a2 n5 V' xupdate-neighbor-total
" E- T) ~& K: m% R8 K& b' U;;更新邻居节点的数目,在此进行. f5 K8 j- P" m7 P8 W% I
let i 3
/ k; D4 A+ e+ h1 E; {let sum-time 0
6 z+ N; L) ]! ]2 [+ Vwhile[i < [trade-record-one-len] of myself]
' r1 \8 H Q( r ^5 ` n[9 r5 y- _ k* M: N) H3 ] l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
' `2 h, P; {$ G# s' u" g/ Y: rset i
/ |: T% h7 b h3 F) Z: N" s( i + 1)
) j9 L( W5 V( `4 k. T& ?. b" Q]
9 o# V$ u8 y ^) B+ W+ klet j 3
) V1 T9 w5 |! A4 Elet sum-money 0
/ A4 S( j# T4 r1 P! }8 kwhile[j < [trade-record-one-len] of myself]& {' l/ ^) w# |3 b+ v* T& k6 J
[
1 H( W- }. R* i; Y2 bset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
. S$ d' d5 O! h# u; t9 O( u2 ~set j
& A2 E8 d. s2 O7 A8 v: Z8 @+ Y7 ]( j + 1)) L6 N& @! q0 M' [6 R( ?% Q+ h5 t
]3 W9 Y( k- {- L3 [; T( Z( @6 E# C
let k 3( K1 n+ n1 Z' s q
let power 0. y6 C9 d" s# e, B! a9 e# {
let local 0& N. T1 ?3 l$ h
while [k <[trade-record-one-len] of myself]1 _: G9 l0 K7 t, _$ o3 q
[8 N) q; \2 A# f1 N& H# 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)
7 p6 }% z( v1 ^2 t( F3 ~# pset k (k + 1)# v- S. B' k+ c( x3 D! Q+ X2 ^+ a
]
6 i6 j+ G0 i% h) f( ]3 S+ p/ Sset [local-reputation] of myself (local)5 M; @( N/ { q" C+ @9 T" V
end' ]- H* i: `: D
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]' H* D" r8 j% A! T8 J
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end
3 t' e9 n/ E7 \ a$ x9 m, [8 ?
: c9 b( f# }; n+ M: Y1 |! ito update-credibility-ijl
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* T% a" M4 A! ?6 \;;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。
9 Y, N% @5 i- N/ c* t a& ?let l 02 O, E" ]; L6 z3 I# [4 W- `
while[ l < people ]2 w4 d% m4 R/ c/ ~- u% p( y3 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9 h3 x* L% s8 a# {5 z
[
- e; v* q, b/ y0 @0 C6 Slet trade-record-one-j-l-len length item l ([trade-record-all] of customer): c! ~5 V2 U9 W
if (trade-record-one-j-l-len > 3)1 T$ x& g: i7 }# h
[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
9 N) f! ?* x, D3 ^; \5 i# E5 Nlet i 35 W j7 C* P e4 N$ ~) P
let sum-time 06 v! B- M8 f$ ^; v: \+ {! t% @: b
while[i < trade-record-one-len]. Y8 m5 d# [. o( g
[3 M7 \* w* \ ~5 i
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) R7 b1 L6 T2 m( ?$ D% m: X6 ^& F
set i
" w6 L# N2 h, [/ S+ F( i + 1)) R8 Q9 \8 a) b- n/ t+ D$ E: O
]
( S3 l8 f) S- _6 J% k' R4 g/ n+ llet credibility-i-j-l 0
9 d0 C& _6 j- n;;i评价(j对jl的评价)# D: I7 \9 N3 c% J. b
let j 3
$ ?$ \+ L$ I; |; j$ g3 f1 Nlet k 4
9 ^: ]: t3 q4 Zwhile[j < trade-record-one-len]4 c3 O8 R7 g6 y3 X
[1 X% |# g7 e9 r+ C: k4 \: Y8 {4 Z/ S
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+ p6 J# Q7 _4 Z6 ]3 S/ W% _0 v
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)
# \/ z# o) D$ W1 O/ k7 iset j
% a2 R: l* b& J5 \4 g5 x1 a8 D( j + 1)2 {2 g4 @* ^$ d3 y
]
1 {0 f- {' j) U: eset [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 ))3 C: G% K4 S, Q$ j1 K* P) q/ m$ {
! o- P2 ?& G+ J2 A. o) n2 ^: l4 D! m! k+ h6 e6 I
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% M3 W- x5 v1 q: l( R2 P/ N;;及时更新i对l的评价质量的评价
8 P0 x3 A( g8 N4 G' Kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ O$ D, t2 d, v4 U8 B2 s. T5 C
set l (l + 1)
( ]- Q! X6 G6 c]
4 ^! W3 K$ ~ P1 m6 N) D7 mend
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to update-credibility-list
7 Y. }2 \: q, n) ?let i 0
" a" ~$ I4 I0 k+ S! `& mwhile[i < people]
( l- U# R. W( o( \[
& D+ t$ P, A7 i0 J) Blet j 0
+ A2 K/ [0 \) o% z" Olet note 0
8 Z3 h. W2 p/ plet k 0* i q, O2 u, _. I
;;计作出过评价的邻居节点的数目
( ~2 V$ Z0 \* R5 O0 ~1 N* C0 Dwhile[j < people]
. ?. ^0 U$ ?* s6 ?0 u' E[( h, k& X; |% G, A2 b, `5 @7 A
if (item j( [credibility] of turtle (i + 1)) != -1)6 j8 B' f4 l- Q+ `3 U0 F+ D- H3 l
;;判断是否给本turtle的评价质量做出过评价的节点
8 v! T/ z( O7 P5 }; ~[set note (note + item j ([credibility]of turtle (i + 1))), z/ z; c ^* |. v: K
;;*(exp (-(people - 2)))/(people - 2))]
" a2 F+ n/ Z# Jset k (k + 1)
, E9 Q# c- \! E]% d& S; k0 r$ M) g" n+ I
set j (j + 1): B# G5 f0 K5 E: g
]
3 `6 V; Z$ e" Z0 r* d( vset note (note *(exp (- (1 / k)))/ k) e3 Z& L3 T" Q: s8 ?6 b& |6 e
set credibility-list (replace-item i credibility-list note)
( \! s" A. u9 B; G3 Tset i (i + 1)
& }9 Y2 a) i2 ?+ c) ~8 {$ W* g" f2 t' ~]
- d8 h" V6 z/ yend3 }4 T( d4 y2 J2 O
. {5 }, z# Y% k9 a, U' Rto update-global-reputation-list
0 {$ j* H% O* _let j 0
% W9 ^0 n: k6 J) D& I( Mwhile[j < people]
( ~% d* V/ M4 Y6 ~, A+ j[# Y6 r# E) G+ y
let new 0
& x4 [ i7 U, G& Q. L7 K- T% n;;暂存新的一个全局声誉' t ~3 f+ j4 e& C! D
let i 0. @9 O8 L$ Q# b. f# _5 }; G$ Y
let sum-money 08 I2 B4 Y! T- ]; H1 ^
let credibility-money 0! ]3 w' ]" w9 u! u* h; G, {; h/ v
while [i < people]
1 P; B h' m a[
& m& j2 a' e9 r, R5 B1 l, [set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 J. d. d" n, B- d# S9 E
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 Y9 e1 j- a/ A$ Jset i (i + 1)+ P3 i* s% O ^0 l t
]
# x' r2 D* T3 x. N6 elet k 0
4 p, W+ A( s# Dlet new1 0
0 `5 _5 h. U0 m* D5 vwhile [k < people]$ g) G: ^! H7 A: g6 J9 \+ s
[
) U# K2 y% G" K+ o v4 Xset 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), d& G3 g8 Y0 V& h& G
set k (k + 1)2 _' H7 N2 w% h; m$ n2 p% _# Q: Y) Q
]) a* w3 [5 |# Q# S6 D& j" d/ ~
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & D9 g5 U2 ~# `. ?( z
set global-reputation-list (replace-item j global-reputation-list new)5 c6 \% G& Z6 i0 o, j, n
set j (j + 1)
8 ^# p0 t+ B$ \7 @, m5 J], z0 P; t9 F% z; }& X: G+ K
end% b N7 C' t5 \, N& K
7 J9 X5 X* X8 |9 F6 I, Y; u
- @$ |9 B9 ~ I2 \; n5 {' J9 D- L; e
1 M! f* [. R7 |# R, k9 tto get-color
F- I6 C1 f) A& s2 X
4 m# \1 g; r+ T4 n3 t+ [3 Kset color blue% K1 M4 Y: A/ z+ J7 W
end
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+ c7 n+ W- }; l/ P7 [1 u) x" Tto poll-class+ M" n) \: z; `, y8 z, B" O' b3 k
end8 p5 A/ s0 C Q7 {8 v. n" r3 C4 ~
1 g7 Y& _# n% j' v# \; h
to setup-plot1
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* D" x- k% { x0 T0 ^0 mset-current-plot "Trends-of-Local-reputation"
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) N! C3 J; ~% M) R) `9 Iset-plot-x-range 0 xmax
/ @2 U g. I! B/ S4 J+ P& H' _, U8 C! p3 c( c6 N4 r; f/ r& p# V
set-plot-y-range 0.0 ymax: E& a" \; g; D" U. W$ w& n
end: h d8 M2 j9 {
# H; e2 ]% C( e9 {
to setup-plot2) h- {9 @/ L% O& M
* C# Y, K" y- ^% L- p u5 l
set-current-plot "Trends-of-global-reputation"
* |- T$ k7 t b+ D2 k9 i- _+ L+ {( ?6 m! ` Q2 j% S5 g
set-plot-x-range 0 xmax. Y$ y2 W# Z" w- _' J4 T7 H
$ F. ?9 L* T4 j8 m7 nset-plot-y-range 0.0 ymax
: y$ H! H% f# s' z& T, s$ Cend9 ^: e8 C! r W
. n+ w. f2 z/ V' Wto setup-plot3
5 s& q& h3 ]' p \1 Q4 }+ V5 M" B! u9 u, m
set-current-plot "Trends-of-credibility"6 B0 A" M* X, r/ c
" I- ^; C- B2 ?" K" V$ ~. h; I
set-plot-x-range 0 xmax
% s8 I! g" i- J9 F9 _
! V* c- X6 ? G, Pset-plot-y-range 0.0 ymax
$ J. M x; Q( ~2 n. gend
. C/ J( {6 r1 B1 t Z
$ }7 H, ]4 B1 i& W, q( U% r0 Yto do-plots% I% j) ?( G& l( q
set-current-plot "Trends-of-Local-reputation"
; X/ P5 E0 l, gset-current-plot-pen "Honest service"6 D0 W$ V. D/ V+ _' W, X, R) j* s
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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