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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1 }2 y/ x+ R7 g, v
globals[
8 r+ v9 T5 Y8 ~* s9 p" S. ~4 [xmax: G3 n$ s- A- X) |0 v
ymax$ B/ E& m( I; O. X
global-reputation-list7 G4 e6 u# v! ^+ P
& l7 G5 l- y5 ];;每一个turtle的全局声誉都存在此LIST中6 [, C( ]& L1 H8 ?
credibility-list: ?2 j2 e5 Z% \) d2 }+ m) u
;;每一个turtle的评价可信度
% _! {. D" J, ]& s# Khonest-service" X4 T! X. l4 d! P% f& u
unhonest-service
$ K9 Y/ }8 J) j6 l0 L- |: J3 coscillation+ Q0 x9 E2 M/ f+ N! Z% ?2 G
rand-dynamic
1 v* [5 R* c- y]
- r" c; c9 `, s: o2 r/ p% i# @: Q, r& G9 {
turtles-own[
, F0 v# `+ r+ V9 ?3 h7 }trade-record-all7 D; J, [" b \# ? K3 @ `- g
;;a list of lists,由trade-record-one组成% M, @# U/ }8 H; g! w* @
trade-record-one/ ~! j9 ~4 m5 E1 A( E( 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. U/ k$ B m6 a2 j3 `
0 m$ V2 s+ p/ 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]]1 f r; u0 f6 H2 d1 C5 Q
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]' n' d$ J, f2 ?9 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
* m" M) I7 u: b3 s/ Uneighbor-total: _( p2 @. v) W+ s( I# S9 X; c
;;记录该turtle的邻居节点的数目
9 M6 M/ \4 `3 r0 u. a" |' @. Etrade-time
0 z5 y1 o9 U$ W* f3 D* Q; K;;当前发生交易的turtle的交易时间
* O* E7 v9 v* J @appraise-give
/ i p" b# Z0 G. y. ~) d;;当前发生交易时给出的评价
8 v9 G5 {5 C' P9 k2 _/ J* gappraise-receive* N6 [. |% S" ?$ U0 z5 w2 A
;;当前发生交易时收到的评价
2 S# M" T0 a$ aappraise-time4 p7 @5 k7 V* w6 c* Q
;;当前发生交易时的评价时间
/ V: z& y5 s+ N( Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 z0 V$ q4 |7 p {! utrade-times-total' S2 W3 ~4 F! w* r0 G! C- Q" ]. r
;;与当前turtle的交易总次数
% U3 E' [2 i+ z; S& o, X3 Atrade-money-total! M6 F# m: R+ p. A3 r4 j/ {! s
;;与当前turtle的交易总金额
" s! _4 d2 k. |' L: e# Xlocal-reputation
- L8 ~* h2 i! l9 L! @+ Vglobal-reputation
6 i. u$ c2 S0 m) Hcredibility. L0 f: s8 n# ^: |5 f
;;评价可信度,每次交易后都需要更新
4 c- \5 ~. Q6 wcredibility-all
; R. u6 u% H1 A& q5 N5 _' R;;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* J0 W" Q: ~+ M# I
v i# b/ u' v
;;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
3 D. r/ Z2 \% O0 hcredibility-one
( s2 z- I' Z% _7 o5 O;;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- k2 }) \! ?- F @
global-proportion
: W! r" L; I8 S% T0 ycustomer1 f% `3 ]" J* M# [
customer-no
/ s3 r. f, O- e" ^; O8 `7 Ptrust-ok# o* G7 ~. ^& \9 M( L% @
trade-record-one-len;;trade-record-one的长度
5 G! C5 ^1 O: P]
+ G/ S& T' V/ T0 x3 V$ j8 z! o) i1 B* N
;;setup procedure$ W6 b9 H* H+ t# m
" L; I7 _ e8 \8 y: x0 M
to setup
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, y. h/ T) `+ [# A7 fca
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initialize-settings0 H, E- b, _! w h% D* y# }9 S
7 J" V/ ]: E7 D& L
crt people [setup-turtles]5 w4 M3 l# L, h- k6 w
* [' g0 j# [& ^1 D) Kreset-timer
4 J3 \- A0 I7 B+ L9 ~
0 o& F1 k8 L' Y1 |& T1 hpoll-class
: w% {( D7 C6 ]! f* v
* k5 b# l! p, a4 J) _! m5 m+ H1 Fsetup-plots, M s/ p9 q1 `3 C+ Y! E
+ y# _+ W' ]6 t) B Y$ z
do-plots
2 s9 Z/ O; R2 ]% dend3 U: c6 C# J" K8 E! k( c" I0 f
6 k5 x: n' X* R, X" vto initialize-settings0 g5 C6 e9 q: A8 q) p
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set global-reputation-list []
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set credibility-list n-values people [0.5]
+ [- _2 z/ r+ I9 o" R- A3 W! A: r- F# @" W. l
set honest-service 0. k0 e/ g% M$ r
. T% @$ w0 P/ ~8 |set unhonest-service 07 X3 a: J* h2 s9 T! r1 m+ W
7 O& \4 w: ^) F/ l' Qset oscillation 0
% K* Z/ n8 C& R
* b" a% X6 }( [1 H$ v5 i) sset rand-dynamic 0
9 l. y3 ^+ S( }9 `9 mend" S; {$ B& {6 L+ x9 f8 ~: c
: g/ C. U2 x( f, s4 Gto setup-turtles
7 h$ P; g/ [3 A6 Oset shape "person"
: m4 S! Z1 H9 A2 dsetxy random-xcor random-ycor4 g* [( e( I- t- J* y. [
set trade-record-one []
: x+ Y- s- z! b. }! k8 B9 e& A4 L) p9 O8 P3 g, [3 }# y
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 ~' l) H9 `" A
! g9 h4 R- K1 P7 D& @( _set trade-record-current []* l4 H; K1 W( b" l! M" c" e
set credibility-receive []
5 K) T+ D( H( P6 sset local-reputation 0.5
3 U' _. w$ w" fset neighbor-total 0
* n" Z3 o. d# C( I2 j5 w( l- ]5 zset trade-times-total 0+ x9 r8 L0 T# N) ^
set trade-money-total 0
" j! B% _8 T" \+ _/ c6 Nset customer nobody! U% i A) v! f V
set credibility-all n-values people [creat-credibility]) Y$ h* t( ^9 g P" F6 `
set credibility n-values people [-1]
6 E' r, |6 ]$ G& g6 W. @# B, Fget-color
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end
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4 `3 U$ v" d: L3 w1 S2 }) tto-report creat-credibility Q; u' g/ b g* j4 Y/ t- x1 X
report n-values people [0.5]8 V& M3 }( d" D H3 A" b' k& C2 \$ h
end
1 M1 S# _+ O4 h
6 V' _8 R' o+ r y" H+ xto setup-plots
: [! ?) e0 T8 q3 h$ \
1 O/ a$ H f! A1 C$ o. jset xmax 30
: x+ ]+ u* @5 j* q+ Z9 C
8 x1 n6 h$ ]. d' u& N* Y( kset ymax 1.0# g1 k) o/ a* [8 }
0 n& Y: S7 {! e9 T" `- M& g
clear-all-plots
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; ~; d3 s+ z0 u/ J% a5 B6 o& lsetup-plot10 d0 A" e( ~. E: ]/ y
* S; d# Y0 I' W) @; bsetup-plot2
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. j- y* `) @8 s+ ksetup-plot3
* H1 E5 E8 g& C; lend
5 s+ {6 M# x- R
% t+ Q& E; ~ F8 D! ~5 m1 ]8 }" ? @;;run time procedures4 b- e7 X1 t {3 b& N
# j+ y# _8 U. i" }
to go+ I" t, }. V, l+ k+ g5 v
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ask turtles [do-business]
; [$ `- `) c% N2 X P' C* e* W7 cend
! M6 \! H' [# M; I0 c
" B. L8 T* G; R% o. yto do-business
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. A5 u4 d8 j! d$ {" S0 l5 krt random 360
# }; P4 H9 T1 m y
% `7 n6 e% S+ efd 1
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ifelse(other turtles-here != nobody)[0 M2 R( J0 ^1 m- E n7 b
0 `1 o3 S0 Q, }* K4 m
set customer one-of other turtles-here
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;; set [customer] of customer myself. S1 ]- k& h1 h& m. d
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set [trade-record-one] of self item (([who] of customer) - 1)( u9 \: Z9 J) w/ V& b& S+ |& o' h
[trade-record-all]of self3 x* L5 T# M+ e$ B2 f/ R% V6 `; V# h7 q6 `
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- Z; [" H0 R7 }, P+ h2 S
# a. E9 X k1 r" X8 ^set [trade-record-one] of customer item (([who] of self) - 1)1 g. ?' ^7 c k) |
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self4 {( v! y( E/ V. Y: l0 | W
" }7 k# A9 |- m6 S, hset trade-record-current( list (timer) (random money-upper-limit))
9 j3 r) @3 S" J' J
" y2 R. J1 C9 u, ?- x* _: bask self [do-trust]
0 n: h9 v* S& Z2 h* v* X& m;;先求i对j的信任度$ b& w6 w* J/ {: u
" t% M6 b k% C/ Q! w
if ([trust-ok] of self)3 V5 |) D/ l- g+ q$ h/ ~5 i( g' P. c( Z
;;根据i对j的信任度来决定是否与j进行交易[
1 z+ I3 I4 p/ N$ q5 |' Bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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& |8 f/ n* F* E) j3 g' H; |& m! v1 {; u: P
do-trade
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4 I; p- ~. }- ~5 W9 t- `update-credibility-ijl" ~5 ~ h0 z, ^
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update-credibility-list5 V1 q$ {# T7 N. x' c
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" [- I( O& p. ?' P: w: R; |6 hupdate-global-reputation-list8 D1 w# ]7 ^* f! r; c) J
) u, s/ W I2 ~1 \
poll-class# u) G2 W* |2 o' G
q k: k+ k) G& N& D8 I4 f3 l
get-color
) [; w4 p4 @/ M$ E9 ^
2 P; m4 f2 q/ X8 o! }; A: t# t]]/ T& e: U9 B* O! m, \& m6 [
+ d* s- |5 \* Z( ~" r6 ]$ \0 p7 K;;如果所得的信任度满足条件,则进行交易" H% }/ l8 W& W8 a1 @* e! F
0 ]. R$ b. a% I
[
8 T/ p0 ~* G' T1 W4 T* R
v, J5 S8 J, B* d9 T {rt random 3605 k! ]# \, w) ] Q7 n
' m5 j3 T$ |6 G0 T: N" w4 s9 ?
fd 1 C' X, x: ~( L+ m# h+ `6 h
( b- d1 ]2 c- `3 z$ x' y]3 ]% b$ Q/ I( _$ f1 U2 s4 p
8 @. t/ @ l% n9 }1 bend9 J' i" c- m$ I0 M; X: H" i' a7 A
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to do-trust
" ]# p4 \4 f% U8 mset trust-ok False
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; P2 S% i* Y& Q* _let max-trade-times 0
4 Z- F/ Q Y0 ]; {* qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] I0 |+ N5 m7 N F2 C. t( N
let max-trade-money 0" ]6 m5 K6 H3 p5 K3 E# P
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ Y' Y. P: N* L7 m+ Rlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)), o3 b N% Y# R6 v
; j5 ]7 |; B8 k0 j" k7 o+ W. T& [
get-global-proportion' Q/ q& N2 ^8 d' n* ] |4 Y7 `
let trust-value
$ S( L& L0 x" s, ?6 M: z5 ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)7 j3 P/ n5 l2 h( B5 ~. n! m, w2 X
if(trust-value > trade-trust-value)9 U2 `+ D2 ~" w# F: A3 A
[set trust-ok true]
+ r; z2 A0 N; X' p# e( lend- P* R# ~# r! \% p. B9 T; P
. D: A) [& r2 O
to get-global-proportion/ p0 ]; d8 K) u2 w+ W
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 O Q. I8 N% N! L* y7 X
[set global-proportion 0]
/ C5 T- C2 j3 U[let i 0. p. l2 H5 [: g0 `# v
let sum-money 04 N" A( Q% C9 _
while[ i < people]
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if( length (item i
3 ?6 a0 R5 I7 f; ~( Q[trade-record-all] of customer) > 3 )( c9 } }; Z I8 `# ?) I
[. R: s7 R5 `8 O
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! d: K! F5 k/ j0 l( i
]
8 h+ @, Z T# \) P' i& h. ?% C]# }$ p& `) ?' f9 n8 V+ C' u
let j 0: B% m7 V8 [, ~* ~* Y1 n
let note 0
' t1 B/ m& _, b T: Mwhile[ j < people]* r, r$ e0 o) E) M. A
[7 z% U+ W4 N" m W. C
if( length (item i; Z" S- x; m( T" x. ~
[trade-record-all] of customer) > 3 )& ]+ ?$ e \4 N
[& }" |" L- P' e: E. S8 c6 j2 y( t
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. \; p2 o G7 N, r, h6 v8 J- H[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& N3 J! s ~, | w/ e: L[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ N! [. ` J* Q& v
]4 s, P, }" |1 p& `! I( K |
]
- a) i, d( M( J3 z3 Xset global-proportion note2 |! X4 m+ H7 o6 m2 n
]
! r. U* p t: t+ Yend! b: Y* c7 L/ Z3 J0 x, w" K
" q' N3 M0 g- s8 d9 I' Y9 eto do-trade2 R1 }' o! I z2 y( B
;;这个过程实际上是给双方作出评价的过程
% p% Q! F' `' o/ ^- Fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
, o, l: X0 `2 Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 ?! p# D2 m0 c1 \% Z- T( ^/ ]
set trade-record-current lput(timer) trade-record-current% w0 M/ M2 K8 u6 o0 {5 \* a" y
;;评价时间# ~3 }7 Y, L( H: j I
ask myself [
0 Q- M% d( n4 q+ B7 H( qupdate-local-reputation" N) Y, A* R2 i, `) G
set trade-record-current lput([local-reputation] of myself) trade-record-current0 O5 U# |! I2 U
]5 t- g) ^$ t- ] T! \6 g$ m
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 v% u/ ^# c+ q;;将此次交易的记录加入到trade-record-one中0 K2 W. L+ S# ?2 W: R
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
^. G) W6 o$ z8 k) q+ r& x: `/ l+ Elet note (item 2 trade-record-current ), C j% c/ [' b" m
set trade-record-current
; W% ^& }% B% U0 j2 T" z(replace-item 2 trade-record-current (item 3 trade-record-current))
1 c& j9 ?+ _2 T- v/ i/ x3 x0 c* L1 I6 Zset trade-record-current
& O g/ H+ C h(replace-item 3 trade-record-current note)
$ }8 z6 g6 z' r" m) B: x. V3 I
# F1 c! T# J" J& J2 W9 C) Z/ ~( {: T7 [4 d/ W
ask customer [+ Y) ?; r0 |. i% a
update-local-reputation0 h' C$ h P: m2 s l
set trade-record-current
7 v6 s" s( y. d: c/ `7 Z) f- {$ ?(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * c& f$ V1 J& A+ L
]
9 E E; w1 w6 B) s
8 V( B3 z, c( s; e6 ~' @; s, e# U4 e2 q$ s
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- _+ V# O" j& |9 n2 R/ ?$ E
9 [9 S& ]( f* Y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 e" L; C3 R9 e& L4 X( _;;将此次交易的记录加入到customer的trade-record-all中
/ x4 y1 L2 }& t8 n. q2 Z; M5 T; v: \end
W$ d8 K. ]) f) Z* G& o2 l& E: G' p& w, \7 ^2 t; ?# p! y
to update-local-reputation
/ ^1 F7 ^5 u$ Zset [trade-record-one-len] of myself length [trade-record-one] of myself
& `4 R4 _; b# _2 U0 v/ i: ^/ g A
$ C: }5 \9 y3 V6 m$ @3 [
;;if [trade-record-one-len] of myself > 3 , [2 Y' F5 Z& n T
update-neighbor-total: q" c P' ]5 l- r7 g+ a
;;更新邻居节点的数目,在此进行
" X/ J, |% h1 C7 K4 [7 Tlet i 3& K, c6 b1 y8 `1 c
let sum-time 0' i1 W4 {8 m. b, H! U7 c: E
while[i < [trade-record-one-len] of myself]
$ g: y( L! v/ ~7 ^, F' ]* l' t, g( T" `[) x+ {! f4 a% E% y& S
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) s" k! i: s0 l, R* u/ y$ m+ g
set i+ X, A, l/ V4 K! U+ H8 D* S
( i + 1)
+ T: z0 \- D$ R6 y. t1 {) s]) N; ~7 |7 d. }3 i) u
let j 3# d! {+ m' {# T+ t
let sum-money 04 L- P+ z7 b* K2 R0 ^
while[j < [trade-record-one-len] of myself]4 D5 `6 f. L4 r Z" B
[$ ?! d7 }$ Y, M6 }8 ^$ x* |
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)7 H4 [ B6 i7 u
set j
; E/ I3 A1 {" W( j + 1)
% i2 F6 Y* O3 j2 ?2 D* |3 x]
8 ]* D0 T- E" r$ L2 D d5 b# nlet k 3
! T: B* [2 U. E; o0 k; a, rlet power 0/ @# n8 x7 }. j0 M* a8 `/ a
let local 0
. U4 b) y3 V' @( Hwhile [k <[trade-record-one-len] of myself]: F A, `" p- h0 P4 x
[1 I) Y0 v+ b# Y6 D8 ^3 D X
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) ! P" C5 e) c) c% r4 c7 e
set k (k + 1)
+ b8 P8 G5 T- l6 c& s]: @: s& M; ~ P ?
set [local-reputation] of myself (local)8 i1 D% a2 _4 s4 }2 K- Q
end8 K6 r, d, N1 Y# I% T
: D+ Z6 D7 i8 o% rto update-neighbor-total
4 s. d; D1 C; ~. M$ @( D( Z# |: b6 i5 V( |" V
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ R8 g3 }6 G% t; u2 S+ R
4 i6 z1 m8 Y _% ]. {- @: U
2 d! O' m# A" E# U5 Eend
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to update-credibility-ijl
( i6 d6 O( s! }6 O( W0 u6 o- [ c7 N
$ A2 s! Y. p2 u0 X;;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。: W6 F$ W* w; x* r+ V
let l 0
8 o9 | r( T% T4 Nwhile[ l < people ]
[8 m( `& p1 F( x;;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, |! _ Z: g, c, ?0 [
[2 i m; a% A$ G% ~+ z8 z$ _- \
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 {5 F" g+ ^4 X# c k. P! r; I# Q
if (trade-record-one-j-l-len > 3)
5 z0 ?' i9 g0 O) K6 W7 a% @& M5 m[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
" x0 L4 B7 t+ p6 wlet i 3
' g$ M1 v5 d! Z- l- qlet sum-time 0
; u: D9 w6 k4 F0 Pwhile[i < trade-record-one-len]: _4 C# p# s+ n# J5 ~# |6 x
[- u) ~# X. Z3 r1 B
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
8 Z( i! j! h8 H. p4 q/ aset i
' h8 C" B& }0 F! a4 t; Z8 |& @( i + 1)) l+ J# f* ?6 J
]
$ e7 R, X, x- Rlet credibility-i-j-l 07 s6 M) a0 l+ ?; k
;;i评价(j对jl的评价)
$ u6 C* ~( r! l [% v/ ]let j 3
- ?6 P: f% R4 |& l. Glet k 4
- I2 L/ p- F E! ~while[j < trade-record-one-len]# G' B6 s6 x2 _
[- Q1 `' u) U3 t2 L/ U
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5 g8 J6 g+ s' W; 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)
: M: d C1 u) Kset j
3 @0 k1 U0 V7 ^" q( j + 1)
5 |5 U4 g3 m, e; V+ o/ ^] C) G8 v* c% g' |3 n6 C
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 ))
: O# t4 n6 R+ f4 j
8 w. m' G* n( I" W8 P0 |# V! _8 i5 n, @! [$ O6 k1 }0 G
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# g6 r4 n1 j) |, ~$ U( R6 F
;;及时更新i对l的评价质量的评价5 g! r" M- W2 \1 S; e; {) r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 y1 o- E8 o0 a: Z, Pset l (l + 1)
7 D. H u$ ?/ y3 a6 N+ {6 x! P% T a]
2 ?4 q1 ^. z7 bend/ F* V; N& @8 F. L3 W$ G
% k r! |) S; o$ y1 m
to update-credibility-list0 l3 z5 [( X4 ?5 ~$ _ s
let i 0
/ I: H! y8 t- u, E* Kwhile[i < people]0 y# V2 V/ g+ w
[- Z0 [& f; t8 t6 \0 G9 P
let j 0
; S- B6 p- |; m. \let note 0
0 Y' {* y+ W1 j6 wlet k 0
: B+ G( b8 w2 a8 \3 i;;计作出过评价的邻居节点的数目1 I+ ?+ R W. e, b
while[j < people]. ^, C# g/ g+ _! {# N& u T9 C
[
5 U O, w! Z0 j; t8 s6 O- fif (item j( [credibility] of turtle (i + 1)) != -1)7 u% U" f. T; J2 x
;;判断是否给本turtle的评价质量做出过评价的节点
! `& |1 j! @6 U/ G[set note (note + item j ([credibility]of turtle (i + 1)))
6 l+ O# x1 e O8 p;;*(exp (-(people - 2)))/(people - 2))]
1 \3 m6 k, O2 iset k (k + 1)& U( \! G; k8 b( m! o% l
]! |' W d* ` A3 u4 ^7 ?' x
set j (j + 1)
6 b' V8 [1 {9 H" e9 m- y/ y F]! Q- K+ c& U+ n; z7 [# ~, O
set note (note *(exp (- (1 / k)))/ k)
9 t- k" L9 K/ Hset credibility-list (replace-item i credibility-list note)
0 q) h' f( T( E! e" Nset i (i + 1)
% H6 h$ a/ n+ a. |]1 L$ Z, Y$ `9 \& T) j9 k
end
$ u5 ?$ |+ g" A8 p9 Q/ o
; E7 @ K$ m" h, L7 U( bto update-global-reputation-list
; O0 W9 G$ ?- Y; e7 x0 @/ |let j 0$ O6 A2 W& F4 f( g+ X. c
while[j < people]# b' F) I; _4 S @4 ^; T1 u- G* K
[
2 m0 z! J! H. N5 v( Ylet new 0
( V$ n2 E0 {+ h& m/ L* C;;暂存新的一个全局声誉
4 `* N5 V% U# v8 Z3 mlet i 0
( p# l) b2 `5 H4 Nlet sum-money 0. l! l- M0 [ Z# o# ?! V# g) L' R7 n, I
let credibility-money 0
# j' ~3 Z# f! G; V$ Bwhile [i < people]
' w5 S- w- e Q. U1 k* p[
6 J9 X" _# a/ d/ rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 A* e& J Z$ ^, G8 }7 `* b# A! O1 Qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))* E- N' f+ I2 ?6 l1 V. K& X, q
set i (i + 1)
/ {" ?" l& ?8 m3 W( I4 T ]]
' H2 z A% l/ B/ t, g$ qlet k 0& K& n: e4 @0 H3 C; R+ e
let new1 0
5 R( N) G6 v1 r2 pwhile [k < people]2 l6 t1 W8 `, h" j0 q% K
[
% D% S3 e; h$ n* Q9 l1 }( Vset 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)
; n- l7 n+ v- @4 Rset k (k + 1)* u8 B- n+ K. Y
]
0 Y/ ?# l w8 Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 _% ]2 w; z. B' q& \
set global-reputation-list (replace-item j global-reputation-list new)
, h0 |+ }8 V& O h, ?3 v. U+ {; @set j (j + 1)+ k; k5 Q% ?+ U3 y- [
]! z5 C1 }: O% g3 M H
end
, j! g9 ^$ b1 X) |0 k' F( N
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; h9 E/ H+ r$ }0 C5 K. ?9 S! ^. B7 X+ d6 o! U8 A3 n, |
to get-color
8 t: S: G9 e7 j3 T( \8 J x
! T3 y K: |$ Eset color blue
+ K4 ^& c* P0 c7 c% d0 U& ?% yend
: r2 X( g; f2 H, f3 y
. N5 W5 A, j1 z# I5 R, Fto poll-class. Q. C; s$ |/ _. k6 E2 a4 j6 P: K
end
0 ~( _; j8 P, S& P' ~6 C+ q+ O; w' x6 G' t
to setup-plot1
]/ y/ Z5 J6 r; }7 n; M% M8 J# S! Y
( ~/ U4 I+ G0 v \3 uset-current-plot "Trends-of-Local-reputation": [4 P: k; g# @& I! G* _7 `; u1 x
. G( a( ?; f; J! C2 h y3 mset-plot-x-range 0 xmax: g4 N' L9 j/ }& N9 e3 l8 n
: h q% q5 L* w8 e. J( n* E/ C
set-plot-y-range 0.0 ymax
# @$ n- N, ]* Z& D1 Kend* `, ]& K7 u4 b" S' \2 j
- F2 f! P3 w: P9 Y6 T5 y
to setup-plot20 }6 c. K2 }! ~$ k
% V; [7 N0 W. d! C1 L, B- Y# X8 Z, Vset-current-plot "Trends-of-global-reputation"6 k$ G/ Q) ^7 ?
5 P% m; J% O6 Z9 o2 R" ]5 @$ P, N0 D7 ~set-plot-x-range 0 xmax! W( B' W' L" B6 F2 I
$ k$ `! J" m! m3 b! O8 {
set-plot-y-range 0.0 ymax
8 T# g; ~# I6 |; Gend
- P- s) h7 g: F, x* a, m5 {' x b7 v& k5 W( F
to setup-plot3
3 h# A* P" O6 U* y- `! U( w$ Z/ x/ k& y2 A
set-current-plot "Trends-of-credibility"
+ `7 m9 t1 k9 ~& s) J' i" V* p6 u& h# t$ b$ F/ d4 Y8 {- C, z3 ?
set-plot-x-range 0 xmax, Q9 I0 O* C3 q- f# E N. n
) d9 M" w$ P) s$ u
set-plot-y-range 0.0 ymax
' x# ]( S. u" ^% @, c5 E. h, [end* \ [4 R; V. s/ k% Z
: O1 M1 g( J& b# N% e( F
to do-plots! v- f$ W" ?8 J6 O. r* ]
set-current-plot "Trends-of-Local-reputation"' ?" ?$ u4 Q( }$ d) @: [
set-current-plot-pen "Honest service"2 D6 n6 H" ]; H; |% S
end
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" O3 w6 T w W" R, t, @[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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