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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
7 @1 F5 ~; w8 a; m; W5 L' N- ~9 p( Iglobals[3 [3 f0 g+ L; N1 w3 \ o
xmax# O# L t! b+ x2 q
ymax+ L! u# g! m1 G x
global-reputation-list
, L; k3 q/ ?) \" g
3 o1 C6 x0 [% F/ s! w;;每一个turtle的全局声誉都存在此LIST中0 H" }: {( X) j7 S& B- v6 ~( x
credibility-list8 w3 f3 \& [$ z* ?" J; ?
;;每一个turtle的评价可信度
$ v+ v- D! \! t2 F% I) Thonest-service
( r" N! d2 ^2 tunhonest-service
0 f+ f2 N8 l" z' D( m# G+ Roscillation
% R, ^2 t8 X% b; \rand-dynamic
% [( S' ?0 q- {: D1 R9 `$ i5 Z0 _0 W]2 i3 I5 K8 U: n0 m6 C
1 J$ v% |3 p* j
turtles-own[# s; w# o2 m6 D+ V7 j3 a' n& ^
trade-record-all- Z* c8 R+ y8 Q2 Q
;;a list of lists,由trade-record-one组成
0 q' _% N' w7 m$ b- v4 S' ?trade-record-one/ q7 z! r4 \ _
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 T2 L6 x0 U1 E b6 P% l
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;;[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]]! l$ W. \/ Z, m( r- _- Z, K* \
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]
, }7 p* m/ Y( \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
" J/ \' ~: ~8 w& M; z# }; aneighbor-total4 M# h, F. P o: h- M+ ~. n
;;记录该turtle的邻居节点的数目
3 B D: D# j+ Q5 [7 E) {trade-time
h/ H# x- E+ c;;当前发生交易的turtle的交易时间" B- A/ ~& I1 A
appraise-give* n9 w$ @) ^+ I5 N
;;当前发生交易时给出的评价
+ U5 i' _% r! Happraise-receive ^( ]6 T7 E* k
;;当前发生交易时收到的评价
, `+ q% u$ R8 C8 r" g/ B/ ^( h+ Happraise-time
& R. B2 W) T, C+ u( Y;;当前发生交易时的评价时间
8 z+ q4 H4 N I' I4 s+ dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ u0 Y; `* f. b7 d
trade-times-total
+ v8 j+ l T. R;;与当前turtle的交易总次数
3 l% u$ ]' z. t; x, `$ `) w7 x& wtrade-money-total
- B g" D" v, J3 s& V9 b;;与当前turtle的交易总金额0 I1 F; M* Z, l6 m
local-reputation1 j: i/ i7 E+ t
global-reputation) ~0 ]7 J) A, z- w
credibility
; u6 V9 O/ A2 _7 I6 k5 w;;评价可信度,每次交易后都需要更新
) w5 J1 z/ b. B# q! \) V! ncredibility-all
" _3 Z8 V1 n1 i# I" Y* a' X6 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. F1 @! o9 C9 |+ m# y
) Y3 K C5 Z6 |+ Y# } w/ A2 P
;;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 e; p* I: ? V7 i
credibility-one
, n$ e" Q' L- f" Y;;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
5 V. e; L7 [: K0 ] mglobal-proportion2 p2 n. j) u/ C& M: Z1 A4 q
customer
1 \4 c( x6 o1 D- y: S# r0 ~customer-no: K. ~' }/ p5 i( `$ s
trust-ok
: R# D% F' F- Dtrade-record-one-len;;trade-record-one的长度
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& f+ B, P' G: X1 S) o;;setup procedure
+ s/ K5 O+ H5 x# q+ I6 x$ U
* C+ E8 D+ H, c0 Z( d& k6 x% B. zto setup5 T- R8 Q( R/ D
+ A0 ^ L' k$ r3 K1 y* ^) A: `
ca
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7 A) i6 d! b6 D5 j6 ]initialize-settings; L7 x, t# ?( I ?4 L* F- n
, \& Q; I$ ?. n! ~( d, Ncrt people [setup-turtles]
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7 U* Y. g" k9 K! S; ereset-timer( Y$ J9 W0 k* A6 K* g
9 i4 r3 T4 I9 Lpoll-class
5 t/ v& u Q9 ~1 u6 l& s
/ g& N! H8 f- I+ t3 Gsetup-plots
* s6 t8 z/ O, L# l( ^* S m
: o( s+ Q w% k, Vdo-plots
, f% q( ?3 \4 E7 u: z% @0 bend
2 u6 v3 }2 k1 l% ^" y- l6 g: C+ r8 |" o1 x X
to initialize-settings! S) X8 w: N' c& p" f, b$ b3 X% c
0 _- f4 z" C# H8 \. A4 O9 ^set global-reputation-list []1 x T9 @- Z1 m' N7 w
7 p7 S K2 V% @6 b4 [$ ?
set credibility-list n-values people [0.5]
8 l9 @0 ?2 [. b/ V- b2 s
& O4 n$ |% {/ Lset honest-service 0
+ s/ D0 L/ O, d; l4 y0 T8 k; Z( r
" Y- P9 w# m0 I2 b$ jset unhonest-service 0
" @7 ?6 e0 q- @/ Q: @. p7 t* u6 j
$ A% \* o1 w0 _& _set oscillation 0
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set rand-dynamic 0
) J1 A7 U( j% Tend j* T& G0 Z7 T: B8 m: d
2 r9 {5 L, {! |( H) o3 M) Eto setup-turtles 1 S! V M5 `+ y
set shape "person"
! ?" E; Z; r! `1 o: K0 |setxy random-xcor random-ycor4 ~ C( N0 ~6 w( H7 ?% \4 D2 }
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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7 L: W2 i6 {: J* r/ mset trade-record-current []+ G0 y1 \* L/ z* b( r: k, l* f
set credibility-receive []3 N" o1 e+ j2 d! K6 k
set local-reputation 0.5
9 X( i* p0 p% ^set neighbor-total 0; I7 m0 c+ L5 ]8 L v- I* e
set trade-times-total 0
1 C' ?, T9 H6 N* {: Nset trade-money-total 0
4 G% g& T( S: R( U6 R3 @) n* ^set customer nobody
: j3 X, A& {) M% h- T f2 [set credibility-all n-values people [creat-credibility]( ~2 X0 _$ I& R1 y/ y9 P- r
set credibility n-values people [-1]2 a; }+ |# Q4 V0 S) v
get-color
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end3 S) k) n/ O" c7 V" `
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to-report creat-credibility
. g% P7 k, ~ E* |' d. ]report n-values people [0.5]
# e# o8 o0 _3 c$ G* Wend
% Y) ~4 n) e: P+ q! C( H$ @' _
% w1 ~9 K# u2 Z! s9 J" fto setup-plots# A6 p$ A: L- K+ O) B
! j/ v* ~4 ~8 {1 d9 _set xmax 30
8 V- D9 M9 m- \% R8 N/ _+ S* I" x% M1 k' R% J0 T! ^
set ymax 1.0
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clear-all-plots
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$ f0 f8 v* U" o3 Msetup-plot1- W5 f8 k, P: L/ V0 W
, M) I; m( d% f% q v }) @) C
setup-plot2
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setup-plot3, ^% [" N9 Z8 L3 m5 [
end
6 \9 `/ \$ e+ S2 B- s8 U1 G* ?9 Z" w" l, Z0 Y+ P
;;run time procedures) w. ?: |% k6 d1 \! @! {7 A
2 _% a- J% L( x/ ?$ P [7 c
to go X5 R: z/ |1 V5 W! l0 Z: }
& h% X3 g. a' U9 K, V5 Rask turtles [do-business]9 o! ?+ [" y+ D; O9 B
end5 F8 R4 y2 t) b. h5 l3 G
" u2 X3 C) E0 T2 y
to do-business
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8 v2 P4 y+ |: w9 |; v3 l( V) A8 ~" p: ?* V& s2 @
rt random 360
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5 a: A- F% Z: h4 O2 y$ r K/ {1 Zfd 12 I" f6 \! @& n1 L0 E: [
0 q) g3 L6 a ]8 D
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here; i) a- f& W! x' C) f" E
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;; set [customer] of customer myself& |" s9 c5 N4 f" G8 U+ y
& F0 K" k) C* z _6 G$ Pset [trade-record-one] of self item (([who] of customer) - 1)
$ ?" D. \6 m. x[trade-record-all]of self! i9 G, b. ?; P3 p. z6 H# K
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 g: l0 i" u: u4 C" ~
3 A- S( L8 [4 K% r5 Z, G" Xset [trade-record-one] of customer item (([who] of self) - 1)* `7 l/ W; R* i+ ] K- n; h$ g: p
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self! | }6 E4 I) X
5 S4 h8 @2 _. h' u
set trade-record-current( list (timer) (random money-upper-limit))& o$ n! J; ]3 @2 o. c1 r9 z' A3 f
- B' O. D; Q' u+ gask self [do-trust]
+ P3 C" N) a( x% `7 w+ K+ o;;先求i对j的信任度1 H& f) H V# m! i6 `! Z
. q$ b C- `- O& c2 D5 aif ([trust-ok] of self)! o1 W0 @5 @% u- f
;;根据i对j的信任度来决定是否与j进行交易[
; |* a3 w p" x+ q1 Dask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself7 R% j5 D0 L- }3 `8 d2 c
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8 v+ Z8 t8 p2 H: V' c) f2 l* x" F" S. O7 k
do-trade
2 R* I+ e1 R6 B5 ?$ H3 @3 Z# J3 c& i$ n' ^- a
update-credibility-ijl; u# } d- R) d7 J; P* o
3 U7 }7 ^7 q. u( [% Y( X" Y! Lupdate-credibility-list s* ^' x D0 n
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update-global-reputation-list
. @* X" \/ |3 k5 P
0 [/ k- L& @/ J6 epoll-class
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get-color
) n" M- x' o% V1 L) B# C
( {7 h2 y* K" K5 ]- ?% E; E1 m]]- ^+ N# T& X. V" T/ |5 P. w
$ N& Z# a) E0 O" ?$ \* Q6 q;;如果所得的信任度满足条件,则进行交易% e* m. o8 a; h n7 d
$ j8 k/ L+ P6 _, }& y8 L( R
[
) b, k5 l: n1 F/ N2 @
! ~7 V- ~* t" {- J9 Ort random 360
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+ x3 G7 U) A: E' @% Y( Jfd 1/ d. z. d7 p: l9 K6 h* B
5 I5 _: J7 R, A]
( ?3 N0 Z$ L! X( T q( n* f, `
. ?/ j: `6 a1 [' |% {end
+ }. k' h( Y, ?3 _ U: p, B: }! @) z" g, b U6 U" O5 b
to do-trust
% a8 ?9 v. D+ T3 l r% ~: b" lset trust-ok False
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# e$ R9 A0 T' U, t2 f1 ~) g( L) Y+ c1 J2 S
let max-trade-times 0
# V$ B' f/ U5 R4 W/ \6 @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 @) E3 j3 W$ N" z& h
let max-trade-money 0
( _0 t( g- q4 O6 C5 D! B# v' Wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], L4 E$ A- Y" |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) L. w( {. I) P6 D' \3 n+ i
8 N. G8 z5 L- \+ S+ o. @
' T6 s: a, x& L" k1 A0 E/ Mget-global-proportion
( c2 v6 f; F c4 Ilet trust-value, C7 O* |# L$ l2 A* Y6 F
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)5 D8 `: k& }# r/ |
if(trust-value > trade-trust-value)
/ o( @9 ~' Y h[set trust-ok true]
% v9 _. S0 i g7 e3 Rend, E8 q% f2 R5 ]6 ?. m; G: @
- @* N$ p% k7 O- M
to get-global-proportion/ c) H+ W9 |1 j; x" d, j
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" Q& c% R Y n! B c
[set global-proportion 0] O8 O5 ]: @6 O4 g0 N, T J
[let i 09 |4 _' [0 m" A
let sum-money 0$ x. ]% o+ {! S5 ]0 j j2 X
while[ i < people]
: y& {/ `9 J. `9 S% P. q[9 t5 o( [2 o$ `/ p( P; Z/ X
if( length (item i& H! E( H+ r, |; [: r+ g" N* X
[trade-record-all] of customer) > 3 )
7 v9 h" ^+ y& ?2 R' d6 {[
p( l! t2 @8 Z* p. Xset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( F4 D/ E& v$ [& f* Q, Z8 u]
( t: D; x a- ^8 d; @* W& M) R/ [2 t], w8 y5 h A3 [
let j 0
6 v1 u6 C$ @- e3 {let note 0
+ G9 ?. ^% P; I3 u# @* G2 Zwhile[ j < people]
' y3 f4 x# w+ {: b9 p[
3 R: x* p2 C2 x* Eif( length (item i z \7 r4 e& n% f7 P7 ?
[trade-record-all] of customer) > 3 )
5 w5 `, ^1 J/ v! }% x[9 f* a8 d- s3 \
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, I; b7 [5 u3 U- m[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! O: p# S$ N" t3 R. |; a( ~% |, r
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* @4 q8 M6 O" T1 h( ~, _
]
% g5 j6 A! y& r9 A. \) k5 t7 b]' e9 M) }+ |3 i$ @$ C; v& H5 r
set global-proportion note' j/ j* z! W% q, j
]' z3 j+ H# |6 K5 ?# B
end5 r' J1 p. S9 Z) Q2 L: m
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to do-trade
k1 d$ N0 |& l; U1 O;;这个过程实际上是给双方作出评价的过程% V( w. w8 b; T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
# [" h I% e7 I+ n' R1 c/ Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 B+ y+ D" h3 K- z Eset trade-record-current lput(timer) trade-record-current) ^& ^! m5 x, @+ N
;;评价时间7 U/ I" ^( }/ n R
ask myself [
' Q. u' `# V! [) @+ Gupdate-local-reputation4 \' p* k2 A3 N8 ]6 d4 m
set trade-record-current lput([local-reputation] of myself) trade-record-current2 L* |0 a1 H) d6 y
]
3 h% _7 c" n1 Nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, H; v$ G- N j5 v, ~% H. q6 Y;;将此次交易的记录加入到trade-record-one中
5 d, J' k7 X# Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* @$ [& `( V- P* K1 Z# Olet note (item 2 trade-record-current )
/ V) A: I$ O. [3 @, Wset trade-record-current, t1 f. I W' q) ]! J- a7 x
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 \5 W. D/ h6 Z. u2 P. H- Cset trade-record-current
' ^8 @1 q& T8 a* K3 j" h8 f' t(replace-item 3 trade-record-current note)2 n. a% `3 k5 e, P! p) D1 q7 y7 B
: c$ M, U) x1 f" ?# `8 ]
v8 ~" d% g2 u# H) _6 f4 h
ask customer [
7 u4 u# ]2 u4 G' Fupdate-local-reputation
5 a% ?# M0 V* ~' Vset trade-record-current" ]) I8 r @. Y; p: v9 O0 }! Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( N, r9 ^6 s' \- I& k) }4 W$ @
]
?3 r2 U8 b& P2 v3 @( M
/ ]; y2 o$ ?1 I3 U; u) N6 F8 g8 Y" m, I! D1 {8 _/ t$ P& [4 q
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: I' m+ H' e- z+ q& m4 d/ l$ k) t) I! E2 z+ V# v. Q* `8 }+ s7 ?
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 e3 N) n ^( ]. L- n;;将此次交易的记录加入到customer的trade-record-all中
: K# q5 L `: ^+ m* w; Qend n, S% y$ y$ s
% p1 Q+ p3 x5 D* R7 j+ F9 h
to update-local-reputation
, V+ Z+ b% b6 v4 Z4 x! M) k$ Gset [trade-record-one-len] of myself length [trade-record-one] of myself
# { D) {% B$ J' ]% E* L$ T9 s0 O a' G/ {
# E1 p, X0 f6 K0 F* l$ O5 Y4 ?. b8 Q9 h( W' v1 C
;;if [trade-record-one-len] of myself > 3 + V' e, n5 e. {9 g7 p n
update-neighbor-total) e; g1 v0 y' C2 u# ^, u
;;更新邻居节点的数目,在此进行/ L9 V9 M; p# F1 T4 c
let i 3
& S) [3 A8 e; @8 Qlet sum-time 01 D+ p3 ]- G& s1 N, X4 c2 I
while[i < [trade-record-one-len] of myself]/ E, v3 C4 v4 V) N6 d
[
, M, Z2 @$ U* Cset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 W% J% v6 z, u+ D0 N- d( l
set i' o c+ r+ Q5 f: a) L8 R* T
( i + 1)
) }3 e, G) d" M9 M* Z ^8 `, ?]3 N% ^! l/ H+ k3 n1 u
let j 3
: \; H5 m" A- g" n! Y( glet sum-money 03 U0 ? M- n. z5 k5 W
while[j < [trade-record-one-len] of myself]
2 O+ e: S5 k6 G; T" `& e( J[
& E* d$ c+ I/ c/ e! v, a) dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time), F" U/ g7 i. ~% L* k+ a$ }; \
set j8 W" Q3 ?) I# Q$ n
( j + 1)7 u8 S5 m, i1 p) }# S& T
]
# [8 t, H! p7 flet k 3+ z: h2 i- R( t* a: j
let power 0
- a: O, X1 p K7 ]) zlet local 0
. X* i' e0 m2 w7 W6 G$ t4 lwhile [k <[trade-record-one-len] of myself]
: C" K/ Z% I1 X! H. F o/ M3 W[
$ T0 q2 C1 c& O' N7 i1 x. 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)
# V' S- x' d! K4 hset k (k + 1)
+ N$ x. a5 ~( ^+ s]
, e' V% k! J, g. Pset [local-reputation] of myself (local), h( r. T3 v0 z- P
end2 y3 t* G6 U1 d3 F" e
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to update-neighbor-total
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! j% B, S" ?9 U* S- x3 Eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ d7 Q; g# d1 S% d" U! E) E, j. l. _ H' @* b6 _" E9 C
/ S; J$ o9 @. e# r9 H& q
end
d4 ]" I% v" Z! ^' T- Q3 u/ J0 F) B6 K6 u5 s
to update-credibility-ijl
: E" s: q: x, Q' X
0 \- x C9 a* ~! C* f' s6 Q4 q;;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。5 X( U" ~- y4 u4 t4 f
let l 0
6 n* a( W) A+ t+ s0 A6 bwhile[ l < people ] q4 @: o4 Z1 V8 _9 }
;;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8 i. U% ]% C1 h/ E W! A
[
0 s7 u- S D( f9 G; Flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)( _! S4 I- X3 J0 C# W
if (trade-record-one-j-l-len > 3)' f/ b. j2 `( _7 I, z6 v6 }* E* d
[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" _1 _; F: E1 o- n: v2 Z& r% o
let i 3
0 [4 D2 l* b3 Q8 D: @# a' qlet sum-time 0; c L+ ?* J4 a4 b+ U
while[i < trade-record-one-len]0 Z2 [) m* D( h3 R' c; B
[2 F; p; }8 r7 i& W2 g% D
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- g: @+ u, | `set i! _2 P% G9 T S7 ]& w" V8 |' q1 v
( i + 1)
" I* P$ ?3 D& D- K) l9 d]9 K5 [0 @" e4 A2 W
let credibility-i-j-l 0
& C( ]$ `, _8 [9 U- {;;i评价(j对jl的评价)5 \. D$ V3 T P' V# x2 x! K' E
let j 30 s: y" r, v; Y% t: Z
let k 4
. C9 }& G, S) a! T" lwhile[j < trade-record-one-len]
, k/ I5 u4 J* o. K* @, v8 S9 @[
% O# b2 s" l3 `4 Ywhile [((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
C. O$ \+ [% O; m, ]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 ~' g3 Y( q5 Nset j
, x3 u/ w3 T8 ~5 i9 {( j + 1)$ n" ?! Q3 C9 p( f: }
]
' Q+ r$ i1 q9 D/ L X1 zset [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 ))
, B5 o- u g6 z' M0 x- [% i# v, I4 [
, y% X6 \. n: p) t5 Q6 {! p% j3 T9 Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
0 ~7 ]" T4 {- J3 m. B' v;;及时更新i对l的评价质量的评价6 f' ~( Y0 i* {! O3 L
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 o% W/ W, V* \% z: r2 _$ {5 Hset l (l + 1)7 k+ n- b6 {9 H. [
]
4 z0 t& s: X' Mend
) y# k E8 c) `
$ J! R* {, J8 h$ g& A" |4 kto update-credibility-list' P9 W* b4 Y' c+ C& i) a, H: I' ], Y
let i 0
$ ^- ~; j9 k3 s% o2 y0 m& Z2 Fwhile[i < people]
$ q) U/ {: o" [+ M+ s* G( k" R8 K' b[, m4 i. c# n9 g7 ~. E% t; N
let j 0
8 R# p8 F" w/ N }" z* X' ^# ^let note 0
- W& G* {4 B* d' `* Q: S; k" elet k 0
( g0 z- F0 i3 y9 [& U;;计作出过评价的邻居节点的数目! Z9 z% _/ k+ |3 J5 h- l
while[j < people]
6 @8 `8 j \4 m0 F" n p[: n2 g) |" z. p; Z* J; A' a
if (item j( [credibility] of turtle (i + 1)) != -1); d% _% C/ r1 Y; W
;;判断是否给本turtle的评价质量做出过评价的节点
$ v7 n2 @% C! W6 ^' x. I[set note (note + item j ([credibility]of turtle (i + 1)))
! j, r/ h# [ D, m( S* M;;*(exp (-(people - 2)))/(people - 2))]
4 E3 h h! b0 v8 E: fset k (k + 1)
2 p8 R- X& d8 X: L4 ?* ?]
* u4 C; H2 G0 ^- b" Zset j (j + 1)# _8 z0 R% `# ^. D5 ~) U5 N
]
; E' @* `: A1 Tset note (note *(exp (- (1 / k)))/ k)
3 b6 {) j3 z; U% z: n7 n' k. d( sset credibility-list (replace-item i credibility-list note); b2 K# @3 Y9 F/ {8 g9 V# E$ A2 _+ V
set i (i + 1)- x! p$ S6 g" A& X% G+ E- k1 t) X
]
6 r' E9 t! n b4 jend$ ~4 x% d! E7 t, k3 Q
4 x9 u, d. ~, _" @to update-global-reputation-list
0 q- c4 E& Z0 ?5 ulet j 0' c. q! B: Y4 K$ }7 I
while[j < people]
1 _! B. g3 Z: f* k2 F. a4 ]% Y[7 R* D d/ u! i( W' g% t ^
let new 0# |5 w h' b" W
;;暂存新的一个全局声誉1 z+ S9 U, b6 j `; n: v
let i 0/ O/ T& O: G; Q: `& a7 `
let sum-money 0
' G% v5 j6 ]: q: [3 Alet credibility-money 0
7 @& y f+ _# i/ g$ M' j+ j0 qwhile [i < people]. t8 R" h9 A* ?1 r8 O
[
, \7 v) V6 |- `set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 J: y" a2 w1 `4 u$ }
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% D; R5 N4 p1 f9 aset i (i + 1)
1 j S W, ?: o; F]
. ?3 O* M, y8 _$ d* q4 m( Y Mlet k 04 e6 f* b, J+ S* U
let new1 0
$ t8 I2 Y: e5 ?( ]while [k < people]0 h; b1 s* r3 }! o( ~9 c
[
9 u- e4 h- _! z, gset 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 ?6 r( n i% @& B5 F
set k (k + 1)* m: Y {9 G* }6 z3 t1 q
]/ h' u1 y* x8 K1 Z% v% s# ~
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 R7 D; C* b, s5 }" B- J- Vset global-reputation-list (replace-item j global-reputation-list new) b z0 z* h' N Q6 C+ t
set j (j + 1)
5 k# s# F: ]' L0 G0 \]
6 L" ?" y! J3 G5 ?! Kend
" D7 s! H5 `3 G. ]3 A9 n
N6 h' Z/ U: S2 N4 Y5 u, X5 G1 D5 a% z$ v" P: R
5 ^4 T2 F( M( w& U* J
to get-color
1 S0 y" C, T0 N
/ _" [1 i* H. C9 B0 `+ ~set color blue% b/ S- Z$ p$ J$ V+ g& {- A5 t
end
) ~' l6 v. g" Q& a3 ]! |
& B7 v5 T& n! j7 pto poll-class7 n* k# w- l0 a
end3 _: |' {$ G7 X* E1 H" T
+ Y+ l# }$ `$ dto setup-plot1
8 f. g* c0 O) ]5 W5 c5 N: Y2 ^4 N" c# a6 |6 y9 d. N% e8 T
set-current-plot "Trends-of-Local-reputation"
1 k3 ?, N6 z# U+ \) ^$ [3 M
: _6 d; S- {9 R# U0 \( zset-plot-x-range 0 xmax
" l( B/ u3 b% r, X2 c4 R U5 D, g$ ]) \2 z1 A3 h( `
set-plot-y-range 0.0 ymax* i, k' X. G1 w7 ]$ a( x
end* S0 F, n# n" C$ |
# }, X6 h. {& C: J& r- ?to setup-plot20 [! x: L, A* S
8 d$ M& k$ P/ v5 k1 D& Pset-current-plot "Trends-of-global-reputation") p/ Q! b/ H# U' Y7 t1 W. u0 T' \3 o
8 ~! H" F$ u+ I* Q+ H
set-plot-x-range 0 xmax, Z" b8 h; m, b0 B
& O, @" Z& Q8 nset-plot-y-range 0.0 ymax! F7 J8 _. f, ]( l% l& Z
end
$ y! p: x" {% B- ^: _6 O5 U' U* C" O- @3 O7 l, q2 n
to setup-plot3. B; q9 e! e1 ]- M: |/ o+ I
2 `. L8 k/ A8 S. X+ T5 m+ p
set-current-plot "Trends-of-credibility"- E0 s' s1 b' c- t
* {( ~' x8 Y) @ S9 }7 w! ^set-plot-x-range 0 xmax8 L% P& X# K7 F
- }! v% M( J) U0 C
set-plot-y-range 0.0 ymax
" b9 G) s- @2 cend9 N4 p- f9 ?" U+ m
/ `; g' T8 p5 B2 v
to do-plots
, t$ W/ z8 Y( Q* A8 D+ Vset-current-plot "Trends-of-Local-reputation"! V N0 [+ W. _$ D! a
set-current-plot-pen "Honest service"* k5 `$ S7 S/ v8 f0 z( o
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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