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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
3 m- [7 w3 ~3 Y$ H$ vglobals[0 @* s) j; N- r7 V& J/ P: H5 a
xmax
1 N% P5 I/ w1 I- P" Hymax
, A( v$ E7 N7 o! Vglobal-reputation-list
/ [5 O- a2 Y' @- Q: s( }
8 v' v6 w! a$ {. x;;每一个turtle的全局声誉都存在此LIST中* N! o( Z9 k Y" T
credibility-list3 M3 W5 }3 a, n4 e
;;每一个turtle的评价可信度" u7 Y6 S% p5 g: I
honest-service, }5 x+ ?0 [$ L; i+ m x: T
unhonest-service3 {' s2 Q6 r5 y% [8 M; G
oscillation0 m/ F4 v8 u0 h# \
rand-dynamic
1 |; |# L5 a( ~ j+ {1 @4 `]
. h, }. o) z. Z9 A6 \% Z$ E5 Q8 E9 h, |% Y4 X2 N
turtles-own[# {) \# g; s0 B/ _% x
trade-record-all
* J) ~8 L) f! V( u;;a list of lists,由trade-record-one组成
% S. S# ]" \2 w8 I- }# C: K; wtrade-record-one
1 `+ k# H. q# x! T- U;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录. t( {4 e9 l7 w3 O
6 F) R B* [2 k \8 \
;;[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 |! a: I i: e( l7 M1 y8 V! Etrade-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]! J: a. h& E9 T
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list5 n# Z: |9 m* e: ~7 C4 h- p
neighbor-total9 c; m, [2 H7 X; \6 y- k/ a. z$ i8 G
;;记录该turtle的邻居节点的数目& r: K3 M6 c# `8 F; i d
trade-time
|" H h1 D$ c# K: n9 j;;当前发生交易的turtle的交易时间
" G; h4 R# r% z) b( l6 c7 ]appraise-give
5 F2 T: g- j Z* i4 I8 V* `' M$ ];;当前发生交易时给出的评价3 b X. a( a% w
appraise-receive
2 Q h6 ?* s0 t;;当前发生交易时收到的评价2 I( J2 R; m9 F2 v$ L/ J
appraise-time5 }2 y J# {2 ^' ~0 l: \1 a
;;当前发生交易时的评价时间8 x& k; j1 m) }9 p1 U- ^6 p
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 v( D& F/ l+ Z6 Btrade-times-total/ h) y& h! u$ a, Y5 t- V% h
;;与当前turtle的交易总次数3 K8 z9 i3 X2 ?) A, z. n' R% t; r
trade-money-total9 `1 Q `/ T7 L V, p
;;与当前turtle的交易总金额, W) m: V1 |9 X' R) W$ t& V
local-reputation s- b" z% E: o3 x
global-reputation" ~6 a" t6 N1 p( Z5 r- a3 h8 M
credibility
' y: \$ T. U3 c+ y1 F+ e% W/ A0 V;;评价可信度,每次交易后都需要更新2 s0 j+ n7 p; E& f/ `
credibility-all0 p7 Q M( M9 D- O% u/ }: ], 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
: x8 E y- q) v7 t! g
4 _, L) R, j1 |;;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( f9 \2 D" ~ q7 x( |! x
credibility-one
5 J$ r6 }, _+ ~4 I1 d;;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 J+ V. g! s7 |( s1 vglobal-proportion$ z, q4 n0 D2 o( V9 z
customer( ?2 Y0 l! g! q, X+ M
customer-no5 k: J; j5 U, h9 o7 L2 [" `
trust-ok
( U1 o0 _2 U- u4 S! Y/ R* mtrade-record-one-len;;trade-record-one的长度# Y& b3 m& Z# a
]) Y' Z) K8 G1 C
4 }9 c/ H0 P4 ^, ^ B- c
;;setup procedure
# i; Q3 X5 L4 c5 h" }6 d% k$ F
Q& a6 E) L* H5 W, `to setup
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ca
& \" W% C6 _/ y0 C1 S$ T, U
' s2 k! M" e4 M! }9 ~initialize-settings
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( D' w6 ^ S* x2 k2 \0 K0 qcrt people [setup-turtles]4 y+ ?0 l5 y; u1 n2 \( i
+ K0 w! d2 e' T/ A! y8 B
reset-timer @/ Y! b- H4 T" o. a- F5 P
? h: _& X+ Z& K* m3 t+ n$ Y6 R5 X/ fpoll-class& R- ^% H5 a7 {5 A9 V1 w
5 N9 K* a4 |# j, fsetup-plots
M& {, p1 v- E( B0 p0 ]# ^: I
# }' K4 A" R- [6 M$ z O; m+ Ndo-plots$ {& \4 b( e' L+ V" F
end! p/ R4 F: ~2 n4 ?9 `% N# G
8 V! w) Q, n+ M% [; dto initialize-settings
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% q6 p9 G, N8 tset global-reputation-list []5 P2 g& h+ h' z
; t) S. Q, l* [4 a8 f/ ?5 N( o; Q; u
set credibility-list n-values people [0.5]
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set honest-service 07 d8 l) ~$ v; g) k
, _4 s/ d% U: ~/ \set unhonest-service 0
; _/ Q% u. l& m1 E0 C0 b5 B" h) F3 q& F8 N; f g' q; Q
set oscillation 0- l: c8 C" c- G5 X
9 U4 N. N- V0 q3 |* q# }set rand-dynamic 0
% |, c+ @' C) Q0 v9 _5 Lend0 g1 U( g( L) A7 [" H! \7 Z, I
* V+ w0 D2 |5 U m, Ato setup-turtles
* [/ J0 ~7 ?( A' i! ]' xset shape "person"
- t) R# i6 e' X8 U, Tsetxy random-xcor random-ycor* d# Q1 ]0 c9 t2 X2 ^ i. e
set trade-record-one []+ e u" `7 l& ?
+ D- \9 D, t G- O3 k: K: {set trade-record-all n-values people [(list (? + 1) 0 0)] : {; s# _. D U+ Z' y
$ x$ E; p9 H* u9 {' k, E
set trade-record-current []8 ?9 g7 ~0 ]0 Z. c, H7 V
set credibility-receive []
/ Z, f& S1 Q/ ?' vset local-reputation 0.5
2 R4 @" p' h5 {set neighbor-total 0& p8 j- o& v- H) X
set trade-times-total 02 l( `- f' G% K6 O) z3 _4 v2 x) j
set trade-money-total 0" m$ m- y* y) I% y9 c' {* F
set customer nobody5 L) T7 ^4 q. d3 c
set credibility-all n-values people [creat-credibility]: u9 A8 X0 [" b( v( _" U- d# k
set credibility n-values people [-1]
- p1 U# H! J! l) e& `+ rget-color
+ r: M" ?. F6 u/ c( A, L# G
8 m1 Z( ?% C+ H6 Cend
' Q/ H2 F4 ]1 `& _% p9 b+ I+ L5 S4 P% n" x5 P9 X. f1 J4 Z
to-report creat-credibility
6 F5 V6 F Z3 X0 F# ~report n-values people [0.5]' k6 ~5 e- U) H4 g: F. m
end+ k, O$ F1 l0 Z/ G. h1 j
0 T+ u. i7 h H
to setup-plots& {) V% \8 u& T# `
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set xmax 30& C' ~0 ?" @$ F) t! ]
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set ymax 1.0+ K, a0 M: N o: L) L
# @8 T+ ~' V' K0 Iclear-all-plots8 r& [" ]) }, x, e
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setup-plot17 a3 [/ s2 e2 f' a9 ^+ v
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setup-plot2" B* ~" r/ Y/ y
9 S) w: K' O: w( x" M5 L% m: [# P' vsetup-plot3
& U# o7 K8 Q5 v% Q3 f$ I7 w. d; Y% tend8 z7 ]4 ~3 C" u' v" I% S8 O
! F' ^( _0 Q- v ?# J" j3 z$ i;;run time procedures3 o( k% y% o! O$ [
& w2 y0 F7 C' I2 ^3 z
to go
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ask turtles [do-business]
8 T' W D% @2 D! Z) jend
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+ ]- ~! e+ M' v6 L1 dto do-business
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/ [ S) L0 ~. [: ~9 b [5 |+ E) x4 b
rt random 360
& i2 C9 L. S, u# }* g Y7 {
- N& E1 F7 p0 V9 _+ Afd 1% ~; t; L" x8 a
* V5 a5 l/ H9 t
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here1 `9 e' S9 }& V0 j
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;; set [customer] of customer myself5 s; l3 M. e5 |
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set [trade-record-one] of self item (([who] of customer) - 1); C- q% o) w1 T& h# J
[trade-record-all]of self
- x0 }$ m: U7 B( V9 }+ Y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 M7 z6 H, v% R% u |2 J
; s8 j4 F& { @: O5 G3 ^ kset [trade-record-one] of customer item (([who] of self) - 1), i) ~/ Q# c# H Z" Q
[trade-record-all]of customer0 H6 f2 S( e* F3 S# u, H$ G
( I" p# K( W' W' _9 g. a) H* i
set [trade-record-one-len] of self length [trade-record-one] of self% D- B1 v$ y0 m' J" g6 j( B+ w
* O# n; H! _, cset trade-record-current( list (timer) (random money-upper-limit))' b4 K, A, K) W6 w. ]5 A ~" L2 m
5 X% [$ o- k7 sask self [do-trust]
( k7 u: r9 e& A( n: |* {;;先求i对j的信任度 |; g% g2 s9 Y! K& d. U1 M2 X9 R1 `& }
- j0 h- @" `, O/ ~% K! M8 Vif ([trust-ok] of self)' o$ \" p* v/ V2 k4 E' ]' c |
;;根据i对j的信任度来决定是否与j进行交易[
& X( Q* c/ _! Y6 W+ xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
( i" y! I; L! t/ ]& ^5 x4 ^1 w% f1 K6 A/ `* `
[" u4 _' q/ M1 n1 P: c
0 c& b5 L; r1 Odo-trade/ e0 z$ S0 p1 h ], m8 u4 ~+ Z
: G% {; J2 x* {
update-credibility-ijl
! \5 u1 k+ |, h+ R
' n+ w0 b; D! P" `! Uupdate-credibility-list- A4 |% Z9 ~' I0 e! a* O" N
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* U7 k5 |: \: _1 m2 H- i, N- v
update-global-reputation-list7 T1 G# n2 p7 m7 S5 L
% x' @8 u2 z1 {poll-class
, N: [2 i3 D1 k8 z
' k/ v6 v9 c/ T! u; W& iget-color) Q) u- ~: R- Q
% ^! |7 f+ Y1 N4 t, \]]8 z3 Q: G2 @: S+ w* A: [
# b+ `& Q8 U( g) R* D3 r- d8 _
;;如果所得的信任度满足条件,则进行交易
$ o" e- V8 j; R( m# p! k6 F, V W9 ?5 V6 Y; w7 n
[. ~6 h: e6 q; R$ N4 [! M
8 m$ J; i0 _% Urt random 360
* |; u! T1 u- W8 q- {: G' _6 a e. J3 w/ ~$ `3 W' Q' ^
fd 1
5 E( v" C( U7 Q3 a7 N# ?
) R: ^8 p9 Q" |2 y& R]; b1 t5 a! q- L" R: I) l
9 |' o- f, d* [% U8 Q3 {0 G
end
g1 s- U) m1 I
( [! I/ Y* O8 l' d- W; N1 j# Yto do-trust
4 R( X7 H* M+ Hset trust-ok False% E( A2 o' y3 f+ L
4 W* ]% ?5 \* x3 |6 _# t+ E
( @+ x; _$ ]9 t/ M, C" S: Q
let max-trade-times 0
7 |' V. x% [: ?" g; x* O5 Z' Vforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]) X( v* a4 G! u4 {3 B
let max-trade-money 0# w1 m1 B, g; n
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 D. u" i7 R: s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 I* A+ ^- G4 d' Q G% v) N
! t# b4 e; M+ i- e" g; L: T5 v. j- K [0 l
get-global-proportion
0 n2 J* u8 |. B) C- f; ^, Y: Llet trust-value+ ]; ~( ?+ v4 `7 W: H1 C6 x1 X
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)& A; G, W/ V+ ^6 c$ y9 e
if(trust-value > trade-trust-value)
0 o8 o' l8 r0 [; a: R[set trust-ok true]9 I0 D- W8 s# G
end4 W5 n2 \- [, g9 S% \- ]
% L( g# i! x2 |* w
to get-global-proportion
) @3 E2 a- X% j! F4 U7 S, Zifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" w0 r9 y5 E/ {: k Q[set global-proportion 0]
' U& X! Z2 |; P, e# e7 k! k- ~3 C[let i 03 e+ t# q' h4 u9 V. }7 |! }
let sum-money 0
8 d& h$ P# ?2 A) z4 Ewhile[ i < people]; R8 T! x4 y7 x8 N8 [
[
. e/ J8 d* D2 F6 H. ~6 lif( length (item i
X: ?4 S2 k9 y l2 `[trade-record-all] of customer) > 3 )
+ o% I% l4 a( P, d4 [- S% J" q3 v[, _# W1 [4 W3 x7 r3 u
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))- Y5 M- l' F4 ]) b9 j6 ~
]
4 q9 L- m% B& C" x]
7 [5 U+ b$ j* T7 n- wlet j 0" h' ^- L- Z# i
let note 0) X+ D/ S7 m7 p9 v3 R8 i2 U
while[ j < people]! c$ |0 j5 w% s9 \& O
[
4 ~" @' _7 T7 C- sif( length (item i
% }: Z0 S' I* k/ U; I[trade-record-all] of customer) > 3 )1 b4 S) @3 b- c2 v! x* H
[
6 o1 k+ z" w O/ S* Hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 V+ h1 o( S. X4 G, P2 Z5 b
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" O. S0 C& J- o7 i9 G9 M
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]5 x2 h+ W; r, A1 ^. X
]
4 K) i0 Z: o* x, F]% Q2 J- G1 H x T
set global-proportion note. u: V, Y) D& R. \9 S. v
]0 ]2 M# y) O- Q
end# D% C3 ?, ^+ z7 y+ o/ O
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to do-trade$ |; _/ x0 z% V3 ^- y- W X
;;这个过程实际上是给双方作出评价的过程
9 z* B0 A. F3 Y0 ]+ qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 x) J3 t) ^* n) X$ yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# T, I& k! W* L+ a+ G D- M( L
set trade-record-current lput(timer) trade-record-current
% }8 w# \& `/ _; j3 o;;评价时间
- t0 a. M! ]4 W ?1 f/ h( }4 P! Eask myself [
* ]" x E/ W9 Q) @& Z, }) u- Gupdate-local-reputation* y- R: u3 f3 T# x! `5 c
set trade-record-current lput([local-reputation] of myself) trade-record-current
) U+ }1 j3 T4 D) M# o; m] z% k9 G2 y W+ A- U* r2 E
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 U% p" ~# k# A4 W7 C;;将此次交易的记录加入到trade-record-one中
3 J {' N3 T- i/ a. z% } Nset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 Q. e# {. x6 q- n4 n4 O: I5 c8 c5 [- x
let note (item 2 trade-record-current )2 Z9 l6 J0 p* j% c X9 b+ V0 \
set trade-record-current$ @# G) ~: X% i1 U9 a3 _
(replace-item 2 trade-record-current (item 3 trade-record-current))
& U; G" u _" J' w1 C# A& pset trade-record-current
7 j' ?$ N& N9 l3 n" D$ `(replace-item 3 trade-record-current note)
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4 i. @& V" k, Y: T
ask customer [
4 e' n3 |# O. x7 oupdate-local-reputation# ?. Y7 t& C- M9 {3 D% Z8 q4 T' r
set trade-record-current1 Q+ d8 Z6 {- P- _' y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ! t- [5 x5 u- h9 o0 l
]# s, v- p! a* K7 _3 m. w# y
3 a# R& N. Y9 p. F% @1 l% N U) D
3 z' s/ @. ^0 I/ n: rset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 O' a m9 R: \9 S' @( k
$ L6 J# l: l4 R) t$ \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( m8 J2 t# N: y( j$ f& F;;将此次交易的记录加入到customer的trade-record-all中
9 {$ K* {% h5 k) |end# _. O& m5 @) c- J
. t1 o( b1 z, O; g! t, Z5 l3 a: qto update-local-reputation
$ N+ `9 S9 x( A0 o& O5 Y v$ Yset [trade-record-one-len] of myself length [trade-record-one] of myself
" l+ Z8 X( F* o* v+ B! E
" d1 D* ?- P' n/ V, W o9 D1 s) g- f3 K0 J1 j Q1 o" P
;;if [trade-record-one-len] of myself > 3
* r# K( R) r5 Q& E% Xupdate-neighbor-total
4 }( m9 b/ v4 F& S;;更新邻居节点的数目,在此进行
" ?. ~& k1 j% e" |0 S8 z0 c8 k" [let i 3
6 A! F& b: a+ P, C! blet sum-time 0
5 s0 X7 j3 N: Q$ @% I5 I6 }& Ewhile[i < [trade-record-one-len] of myself]
( i j( _2 a: C/ Q% n[3 O! r1 A6 J3 c5 {
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) y, u. _! M( x0 |5 D j9 g% E
set i8 z* i: \- k; o q% Q2 Z
( i + 1)4 p% y5 d: \: X& b
]8 G! ]2 T! f# w% [7 B" V8 ]$ b
let j 3
. g6 [4 G1 v3 C4 Ulet sum-money 0% X$ l$ T- g# r/ q) ?
while[j < [trade-record-one-len] of myself]6 |! [4 M+ [$ Y, g. A, D
[
7 B" D# O! j7 e6 I3 S. 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)
* F7 e: a6 A4 e& `* I0 f7 n6 fset j
1 T$ ^9 t0 t: H: v% P' M( j + 1)
- y/ M+ J( i6 h8 @/ D- [ k0 P]! Q/ Y# n% i, E$ N+ Z. ? \
let k 3
- K2 d% d6 }7 B5 Vlet power 0
4 I% \" k3 O5 _5 E, r3 G3 f4 {let local 01 f1 }* \: T5 n% m# f
while [k <[trade-record-one-len] of myself]
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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)
3 L3 z/ |- ^. V9 e* Hset k (k + 1)
: T: E" ]9 _) Z' ^- F]/ o9 S3 f1 A7 c$ l5 `6 |$ D* ~6 W/ Y
set [local-reputation] of myself (local)
! B+ ?+ l7 B* M, n" `, i9 a1 tend
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to update-neighbor-total
3 P8 D) ^7 Y& C6 O1 X* h
) E# }( K# t8 ^! t9 q! Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 g0 G8 ? f/ E
7 _; ?( W7 _+ W) w* x! h$ k* |8 `/ ?- q
end" b: X/ \* `# a2 [9 ~% L3 P
@+ r. X% T9 K+ q" f
to update-credibility-ijl
+ n) B# @# Z3 P( l0 V
^0 } o+ m& f! v+ d6 H;;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。2 a; ]) r6 @3 p' R* i
let l 0
5 R- C8 D% e8 K9 h' t/ O. Twhile[ l < people ]
6 b' C# d. J$ n! o;;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
+ \2 R$ m- M& y; j5 Q[0 j, k9 }- m) Q7 y8 Y& ]' }. v
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' q# p# f( ~+ c5 Gif (trade-record-one-j-l-len > 3)& d8 r6 j% c4 o: f6 T$ R6 }6 ~
[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
+ r+ o0 @1 W# `$ [! |let i 3
4 K6 V7 z% g% ulet sum-time 0 Q" X+ z( ~4 G6 u- J1 X9 Y- E$ G& F- S
while[i < trade-record-one-len]6 n* F( s# u2 p* x: M9 q
[: t# X- M# ?0 r1 {! t* y) s3 G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 S, P) h5 x. Z4 b- H; r7 H2 U. hset i+ F& w: q- G7 @- E& c N
( i + 1)' h& x; V+ @. L1 A. ?' D9 s
]' q! b* a. `- O0 s' i: E
let credibility-i-j-l 0
5 ]) p1 @6 @: F* U- ^' z;;i评价(j对jl的评价)
5 L9 d3 G. b8 y, llet j 3
; m* R& g9 J' [+ P8 D" mlet k 4
% e# a* f+ @* L/ L5 U; u: M& bwhile[j < trade-record-one-len]
. {3 H5 ~% ^" U( M$ O1 Z[, m' ^5 ]) `& g4 m1 [
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
. B- C4 h: t9 ]6 |0 z4 n2 vset 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)
Y/ s! S5 j: T' `2 Yset j, N! N/ S' _3 |* ], ~& ~
( j + 1)! R9 S4 H6 y/ M& ]' w
]& A5 [ d$ C$ |& [8 e2 e
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 ))4 ]/ Q, F3 w6 v6 s R/ ^: R- m
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 j& z9 ]+ c4 i
;;及时更新i对l的评价质量的评价
9 l+ c% Q0 N4 {; zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 n. h4 v: |$ _) J: [
set l (l + 1)9 R( x. O2 ^+ S B, n# Q! o
]
# o. r: O |% ~* H7 k" q* [end
& ^- o9 _/ y' w" C- H) }8 V' h, V' E+ |! z- E
to update-credibility-list! {; t% e; R. F, w; y: G: c& K
let i 05 @/ |$ O. U7 n! m8 J P) }2 c8 V
while[i < people]* r, o2 v4 o1 r4 D8 q( @- ?- Q8 p
[
# ^& n3 r3 O' A& O6 Olet j 0
9 b8 I9 S1 i( E1 n& a7 C/ jlet note 0, k0 v: O" W+ R/ V9 z! U
let k 0
3 [ [4 r: _$ |* y, C" j;;计作出过评价的邻居节点的数目
1 P: n4 o- N8 S/ B# P% ~/ ewhile[j < people]8 n6 N+ m: J/ X, C9 r
[
1 b. @5 `* @# ^1 j1 Xif (item j( [credibility] of turtle (i + 1)) != -1)6 ?- W* P4 w9 g5 U, o$ h& I
;;判断是否给本turtle的评价质量做出过评价的节点
0 g! w( f9 U8 {3 c0 d2 p5 h[set note (note + item j ([credibility]of turtle (i + 1))) B# T5 W8 n( p0 j
;;*(exp (-(people - 2)))/(people - 2))]
) } k! l4 g0 pset k (k + 1)
4 y8 j l/ L# R% j% ^1 v]) Q1 V$ \# q$ h9 c! r. n
set j (j + 1)) _7 |5 @/ o0 U
]2 Y8 y, U$ j; q3 m3 X
set note (note *(exp (- (1 / k)))/ k)
& l7 G/ X" O5 D% xset credibility-list (replace-item i credibility-list note)# j% {) I; f* {/ c* c3 y+ a
set i (i + 1)
8 w& |; l/ h* `( A]& U& p! D0 l1 x$ ?+ }
end
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to update-global-reputation-list4 ?+ L# p" [2 |$ N, Q
let j 0
. E: K' n! E) _while[j < people]! P; A7 }! y% w1 @$ z: H8 h2 n
[
! x5 ]8 k: _+ J" F6 L% ilet new 0
5 p' c1 w2 e2 l; V7 t;;暂存新的一个全局声誉0 ]7 U0 }; Q. {1 C
let i 0
1 Y) n6 m: U( z) Vlet sum-money 0
8 V, _, e/ `) {5 T; C' olet credibility-money 0, C2 V" J) B: ~0 z9 Z
while [i < people]0 {4 W/ w7 I& |6 C) `' R8 O: Q
[
! Y) y9 Y# {* J: mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
D( [% p! T9 o3 Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 e) }1 P0 g- ?% M* {set i (i + 1): M/ I, S$ D) f8 L2 D7 \: v
]
0 J$ Z) ]) u8 j6 S% b4 N! r- zlet k 0
$ G: {, O, @- d* O7 ~let new1 0
- t8 Y& Z# w9 G8 K. o; h) Zwhile [k < people]4 ?* a) x% }1 [) m |$ [& H w
[
+ b, j/ Q% v, ? F- x* o, Sset 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)9 ?* O! @# s1 T( S+ b* |& r, I
set k (k + 1)/ t: @& h3 _+ Q( z' s; Z8 A% C
]
3 p( m2 B: U; b/ ]0 F+ ~0 Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & i, g/ J b( O8 R: o6 w* _
set global-reputation-list (replace-item j global-reputation-list new)
( y8 ^8 J' v% N6 Qset j (j + 1)# [+ X9 d% P9 j7 i. C' v3 I+ @
]8 U- V% i5 Z) b% @. Q
end9 A$ k3 y$ T- ^) b+ I
$ D6 r& `- ^& i7 B4 i9 i* N: w* B: ^1 ^% `) H
P5 T4 F* M/ U# J+ J3 r1 N/ L. Q
to get-color3 u" x, w/ j1 |/ }6 U' ?7 t
. H9 P& m: J# C }# [- r; Jset color blue
: _; k! a- u: S+ Y) A. Eend
! w+ B6 `! f+ H/ o: K) _/ ^: a9 J" G0 g, V3 i& p
to poll-class
2 k3 ~! A3 u! m! ?end
5 f M: w6 z+ ^' v6 ~, N" h# N$ r& z+ Z* s
to setup-plot1. B4 V9 |; I$ D5 j3 S2 K+ P
4 K+ h; r% h T7 x( \0 j4 W
set-current-plot "Trends-of-Local-reputation"
' g9 x" x2 H Z1 R4 e ^" `- V) ^, b' b. N/ w
set-plot-x-range 0 xmax
" E8 ~( o. |# s
) Z6 z4 S& }9 P- R$ i9 h4 g& zset-plot-y-range 0.0 ymax
. h+ N' @: Z ?! }( l* r) Pend7 l: C8 f7 s1 T- h& i3 q% y1 ?8 v
! k4 n4 B- m( Y0 @' S' `# [! T# J
to setup-plot2 z/ s# A! ^9 x. P4 m. Q; O$ j4 r
9 r) s6 x, C: C0 ]) tset-current-plot "Trends-of-global-reputation"
# \) D6 M/ D% ^5 v) p% ?* q+ X; a9 y8 Z
set-plot-x-range 0 xmax
. z4 D1 v7 H3 t. C7 D2 C# b
! Y9 v( f" z9 D( O# L. [set-plot-y-range 0.0 ymax* y$ d4 o, L7 t* N1 }% D. z3 x- J; r
end
! g/ {- E/ b* J7 a& O6 A( A f& w& }5 ?1 _+ Y
to setup-plot34 Z! J/ n" }6 ~2 V9 [( V6 H+ j0 E
0 b2 W) C/ {5 Y- h1 l
set-current-plot "Trends-of-credibility"# ]! G$ U0 s# ]
3 s: T& ]: H! }8 l( S
set-plot-x-range 0 xmax
' N1 f* K% p- j* j! l# X
/ @* y1 Z( G8 k, [+ Gset-plot-y-range 0.0 ymax
" C( R) W/ [" i- I. e) V, n1 r( ~9 nend
/ L- F1 c/ W7 |" S/ O' [( j. c* J1 [, Y% J' ~
to do-plots9 E, j; l6 E" |1 Z$ e C6 m3 C
set-current-plot "Trends-of-Local-reputation"
5 D2 L1 o+ W# S3 c% D) @" j9 Rset-current-plot-pen "Honest service"; h D# ]/ I( n t$ O
end
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! J, B/ j e Y; S) h+ Z4 S- k6 S- w a[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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