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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
) \: D: i& S( O k0 r4 I. uglobals[: R0 n7 W8 O, m4 f
xmax7 G, H# c& @3 H6 b' O' g
ymax
* z1 x! ~( s4 l# j4 Uglobal-reputation-list
# x9 D8 S. o/ B' d8 d9 J7 x' Q
( [+ E3 H' c5 G' |' K# D+ ?;;每一个turtle的全局声誉都存在此LIST中
& _' y( t+ P, k5 Xcredibility-list$ g; g+ d* r5 u. m
;;每一个turtle的评价可信度( v% C& V1 m2 \
honest-service
4 y) P# B* C# M5 a) F2 }! l) Runhonest-service* l2 F, Y1 H! Q0 K$ d) ~
oscillation
5 b; @' C& B7 b& `- jrand-dynamic
- c7 k* \9 K) e6 y& U ?. q2 c]
) m+ D6 O8 c5 x# w# L, _& ?. b, o( v E! N4 |1 q; b
turtles-own[
/ B5 Z R4 f0 |2 J3 e9 xtrade-record-all
1 H7 `+ M( ]# A* ?0 S;;a list of lists,由trade-record-one组成& `! I- x! X/ E. ^
trade-record-one* E- x! |7 z5 ?# v2 ~ T. }
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& g6 m; G, I) v" b& a) N) p* c
2 i' ^* Q T8 K' i# E; O9 [
;;[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]]
( E5 {0 K/ s% u: q# z9 utrade-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]
' r: B' _5 l1 b$ zcredibility-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. q5 t4 M7 y8 M' W( F% U
neighbor-total
. p* Z, D6 G! \* I- H;;记录该turtle的邻居节点的数目
- f/ x$ S4 ~! j% z+ `4 utrade-time
m1 u% m' H" G. b% I;;当前发生交易的turtle的交易时间, }& T. H& ^8 j9 U1 l, r; R/ U
appraise-give8 @. N' L$ F0 d/ n- R
;;当前发生交易时给出的评价
+ @( x3 i8 @; S, Q" Iappraise-receive$ o2 ~5 u; B5 W9 ~; ^1 ~3 t
;;当前发生交易时收到的评价
0 _; l' B9 K; b1 Y6 i% d+ Happraise-time+ Z7 T6 }- E8 {2 c% s
;;当前发生交易时的评价时间
$ {7 l" q$ ?0 t/ J8 Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉. b) M; N: g% r( a: N2 ~- P/ f& w
trade-times-total8 u6 l+ y) i* ]$ y9 j7 w8 P
;;与当前turtle的交易总次数. Y. G. W1 b1 J+ @
trade-money-total
! T6 S7 I. W; ]' A* \4 T( W;;与当前turtle的交易总金额% S! H( l$ ~" }1 l# L
local-reputation
% @0 o- f8 m& u0 y# S$ uglobal-reputation3 Y& f5 N* K% z% m# c; N
credibility0 r3 J# }# e$ ?- ]( l4 y
;;评价可信度,每次交易后都需要更新
4 q4 h ]% ]- {% ncredibility-all
& j C( _3 m3 {( I- c2 p3 \;;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
* R4 Q9 d5 L* Q: g. ^4 v% | K* q% y9 g" f
;;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( V8 w+ ~: B3 b: a
credibility-one7 C% i' w1 n3 q9 L
;;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* V; H; g" P1 L8 _
global-proportion: X# S( l4 Y7 D- x% v* R
customer
0 a! h4 i9 {8 rcustomer-no& X0 p. _& z6 Z C; Q
trust-ok
( T7 K; |5 N% Mtrade-record-one-len;;trade-record-one的长度
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% {% [5 [- L- |& Q* q;;setup procedure
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to setup9 f, \& h5 {6 b" R# n, _
% q5 I0 L O1 a, d% Wca$ L" k% o9 X7 l: A
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initialize-settings
1 P- {0 ^" `% e6 _8 E) |: ] [' r7 g% g: M
crt people [setup-turtles]# Q' i e+ z J5 u/ t
7 Z' Q' U8 i: z% }
reset-timer
4 b3 I' [. Y( U6 W' E4 c; [
9 G. `& E6 D7 Q0 Jpoll-class! Q2 E0 ~! y$ D, y
' e: ?, s. }/ J& W$ I( M5 m: H; ^setup-plots ?- O$ K L3 u8 c4 s7 I
- u* p; z5 @! n% ydo-plots) v1 |5 S( i$ F; g! [8 l0 ^
end4 ^) C0 m9 z+ z, T: f0 d. e
/ H; K% ^( |# H0 b9 oto initialize-settings
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set global-reputation-list []2 o8 u: c L) A' r$ }3 p( C5 A
+ z) W) q5 k6 X$ K& O; sset credibility-list n-values people [0.5]
- Z: J, G% w# S. F5 k5 C2 ]5 k+ m% i. Z! U: w
set honest-service 0
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t6 q& e& D, X5 x* u, Aset unhonest-service 0( N+ E. }3 M8 R, w; a: Y* _
' |$ v* h: s7 E) k/ ]9 ^& m
set oscillation 0& @- k6 V( h& |4 Q
3 b: w4 `0 `1 W' p
set rand-dynamic 09 h3 o1 `& B5 R* K) k& ^
end* R! n' ^. u9 ]& x: i! p
6 f& `; W! B/ C0 x
to setup-turtles
; k3 d2 I: s% F3 i: Eset shape "person"
4 ^# Y: x8 n- [, ?' Jsetxy random-xcor random-ycor
6 b0 @. R' a& E1 o0 N* L8 Iset trade-record-one []
+ n. h5 _% F1 |. t- k# g% P3 p# p6 v3 I C
set trade-record-all n-values people [(list (? + 1) 0 0)]
9 n8 V i2 X% ]4 v+ ?/ \
1 U1 z( @" B7 m C, hset trade-record-current []# G6 b) s5 l# K7 X8 F
set credibility-receive []
$ z1 n( M$ _+ t3 e! Dset local-reputation 0.5
) i6 @) I1 k; ]set neighbor-total 0
9 ]1 d3 i! J3 [4 U l, }3 L' Dset trade-times-total 05 Z8 b8 B# H" ~. C- j# [
set trade-money-total 0
) E ^. z" l7 E( l( S% Aset customer nobody
' u" d* S5 f" g3 r Wset credibility-all n-values people [creat-credibility]. \2 ]4 z, S \, E0 X1 g: ?* k
set credibility n-values people [-1]( z0 X! E) Q5 B- J3 A: V+ t0 z- {# b
get-color
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& K* W- k" D- _) Z! d! ?end
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to-report creat-credibility( h! g4 X; F% e9 V
report n-values people [0.5]
# W% q, t3 `6 E& I. Vend
- `) Z- @6 W$ V+ h: r3 _$ T7 f
: C0 q: _& p6 n" ~% d) e3 F. gto setup-plots
x9 X0 H; \4 D9 @0 Y _. u2 R) [2 d5 Z7 [, V
set xmax 30* q2 s0 N% b. S* f
! x/ l8 X) |* Dset ymax 1.0/ l7 ?$ \% q% H) s4 [% p+ @
1 Q5 g6 V7 n. v
clear-all-plots3 i0 G3 Z' H% A$ a
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setup-plot1( R" ^; N0 ?, z! S
$ q$ c3 a F( I! {( K; A/ s) B
setup-plot2& B7 p _' W) p- J* Y9 @
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setup-plot3
, F4 y- b' M' C$ R7 d. ?end
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9 M F6 T. F, p" F/ u; \% L;;run time procedures
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& h1 e5 n5 _" b( {to go- Q O6 }+ Q" j+ `1 Z' D) j7 C7 ^4 d
: N. X) m& X' \1 t) yask turtles [do-business]
' i, R; ^8 `, Tend0 H- t2 ~8 _& @! b: R! E; u9 Q% y! l
) \( n/ G, T0 \& V: W% h; T1 Gto do-business
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, y' H5 M7 @( e. O7 i0 f5 Z8 }7 O. a' m/ a
rt random 360
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fd 1$ K8 c% ~7 r" f1 G6 E D6 B
" U! p1 T1 l% D; v* ~
ifelse(other turtles-here != nobody)[+ ^8 k3 i7 q u
5 h, |& d3 c: X) W0 m" F; U* W' ^set customer one-of other turtles-here! `& I& r! ^: ~& b( K
) _. s0 `# e: y, Y* s) [;; set [customer] of customer myself
# c" X$ m: Z$ o4 r9 i$ h" F1 @& a1 d+ o$ c$ s$ q0 q) S: Z
set [trade-record-one] of self item (([who] of customer) - 1)
' t3 }" L* e4 n1 L[trade-record-all]of self
. r8 m( T, N7 o5 ^; f' O;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
* e" S9 q9 i6 W" s1 I) x( u' h) y) t! m! @; T
set [trade-record-one] of customer item (([who] of self) - 1)
5 M p( W5 k. {# H* W4 q[trade-record-all]of customer2 X. N* k7 Q: B7 t/ g0 I/ _
& @0 ^4 R3 y6 X- z$ c8 a) Z
set [trade-record-one-len] of self length [trade-record-one] of self
2 f2 D0 n4 X. g6 q8 G" q
/ S; F2 e) a: z; f; l, o/ n; hset trade-record-current( list (timer) (random money-upper-limit))
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) h! Q8 M7 q( Z* v' R. |ask self [do-trust]
% S- g* Q9 ~0 p% N, u% \4 U$ r;;先求i对j的信任度( c3 c0 ?! c) _4 G
1 Q9 C( M a: c5 g- T1 v3 qif ([trust-ok] of self)' N, |, o1 r( M/ @7 D% t' g
;;根据i对j的信任度来决定是否与j进行交易[* K: v" D$ r2 H" X. g7 ^
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[" ?8 k( g, k3 k8 L) p: k# {
6 \* o& y; F. a- H& T [+ [1 pdo-trade. `: Q5 @ w8 \* `
% A. q3 S5 {4 i. h# t+ q& B3 Bupdate-credibility-ijl g' K) z' T+ A; \+ L4 G9 F
/ r# ?4 n+ W0 O5 L* n; E- {update-credibility-list
6 K" k# O8 m5 A" h0 m
& U. y1 f1 ^5 k' `% z( U0 }" V, v( `% k4 v4 _( r' {+ }* h1 n( f
update-global-reputation-list
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poll-class
7 }; W' F; o/ x
R% w% V6 B( S* U! tget-color
5 D6 o, e8 N1 f
6 P0 `* ?$ h% j3 l0 s! D# L3 O]]$ W1 W# D5 ]! n9 O4 j1 Z- E
7 u+ Z1 m1 P I+ j7 C5 o;;如果所得的信任度满足条件,则进行交易4 E' g0 W5 z7 {, T- O6 D7 Y
' f( I0 t* ?2 }5 U
[
: `( _/ ^! d' h8 G3 I1 M; b" Q% `, [9 M0 E) u& _) E# I' Y, w
rt random 360
( Y' K$ y" {: n& y1 n0 n) X: a" }3 r4 E! E: P8 z+ ]) E7 s
fd 12 X' p; F: L7 `& O; H
! P; S" ?* {+ e]
5 o9 M1 A4 w, Q1 K
u+ O7 N3 O$ R0 yend& F7 F: A# ], t& P
% v6 o9 T: F; n# [) b; @to do-trust
# `! ?$ c! ~1 ]set trust-ok False0 y! _; r l6 j' ~ Y. f- K( G
) f0 v) e, i) y: ]- s0 T
+ K# a2 N9 v) e# @let max-trade-times 0
1 J; Y7 M' `; C6 J9 tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- T% d w# K/ a% g( h8 ^! E5 S
let max-trade-money 08 C5 i. X9 H7 Y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 D5 L7 z2 Y$ q& j
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) D3 ^% u- M6 ^
- Y; |( I9 |$ ^4 D) a: D
; X9 t# q% [( k A& D+ Z: Xget-global-proportion
9 l0 f& A) B/ V2 ^1 L/ l7 vlet trust-value
" e1 w( G9 M7 H! N: ^; ~/ 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). G9 a* o# u& A2 ^0 l# G
if(trust-value > trade-trust-value)
+ s/ ]3 n$ K# |/ ^[set trust-ok true]
9 {% u* s# @$ H1 x5 W) fend
! P; m6 W3 o! \# Y& O3 y' {$ J1 p& ~. [! M
to get-global-proportion. x! F, d+ B& R) d8 `& k. |
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ @% v$ ~3 s/ T
[set global-proportion 0]; h0 w( R7 } Y9 v- M
[let i 0+ C6 m4 [9 f0 _7 U6 f
let sum-money 0
$ T! c$ v3 ~6 T1 M. B# ]while[ i < people]
/ W4 S2 X/ s, h9 c3 w) n[2 N" E, h/ j& Q0 x- O6 A+ S" Z
if( length (item i
' y" B" t# E" F% U[trade-record-all] of customer) > 3 )
& q/ x0 T' Z1 s- u[
( f' E' U6 }' q9 T5 p# \( Uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 ?. o! o% D( {4 k! p/ T' a9 F3 y]2 u; H2 l- |3 I
]
. |; i# s" u6 }& i6 ^4 j, \let j 0
* ]1 r7 D! g. Blet note 0- f2 B+ N) \* M: N
while[ j < people]& E8 I2 B2 J, _+ C
[2 A* t' C) k1 U+ y& _1 x- m
if( length (item i0 q: j) Q2 x2 ^, Q# W) S! L( a, W7 J7 V
[trade-record-all] of customer) > 3 )7 G+ ^, g; ^' \6 C: j! p
[3 C T' F8 }6 K# o1 Y5 o B- S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) A8 a: Z7 G8 Y% y) Y+ h3 T# J r. l. i" J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& C# y6 ~% m% {" P8 c[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]: c8 n! Y- ?! r: e5 x5 ? ?
]0 o" u3 m& \: T, v6 U
]6 H1 K7 c5 a; H- E
set global-proportion note
: z& m0 z$ z# j; i7 A]
/ Y) X5 k/ ?2 j" M( s& T$ p. send' |. {; m4 Y7 }
* ?( O9 _0 k C1 c; E! Z ito do-trade
8 m. A Q8 \8 W/ _;;这个过程实际上是给双方作出评价的过程
6 J9 P; q% \! s8 Y/ Hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' ~5 a: \# y I+ Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ P1 L' v" U3 Q* K, Iset trade-record-current lput(timer) trade-record-current6 m# e) j0 ?. Q9 o, I: M0 V
;;评价时间3 e5 y8 A$ ]# W& W5 l* l
ask myself [. W! r! |8 R" D( x1 n3 [
update-local-reputation5 W8 j8 i9 V6 Y5 H% _
set trade-record-current lput([local-reputation] of myself) trade-record-current# k3 l1 Y \$ T, W
]
& z% K* i0 e+ @) |* Uset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" C9 |1 J2 s1 G+ T5 s7 c v$ a: |;;将此次交易的记录加入到trade-record-one中7 Q7 n3 }: c( e
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ J2 p# Y2 X: z) F! R
let note (item 2 trade-record-current )
7 X5 T4 p9 O( n+ d" R* A% }3 Zset trade-record-current5 g7 J* T1 ^) v+ `2 |5 X' x4 |
(replace-item 2 trade-record-current (item 3 trade-record-current))
6 L" J# @* c4 [* j& o; Oset trade-record-current
, O' _4 g; U9 X! m& g(replace-item 3 trade-record-current note)
1 i) p2 |- O1 w8 V6 z: ? N7 H1 d' b% S
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ask customer [
( z4 V: R6 k5 O( E* m6 x. c, t; M- Q! Gupdate-local-reputation$ W2 e! d, n& B3 T
set trade-record-current, {' l U/ g% _$ P: h" T# R/ H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 G# a( _# Z7 []
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) x4 z) v. R6 U! S$ H% h+ o
g: E8 e2 L2 g6 k0 x& `1 J1 Y# O" Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 N( \; R h `+ d5 _ V" }7 |2 ?7 j5 k, A4 S4 ~9 P4 Z, h$ D
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 {. l% B6 W6 t( u
;;将此次交易的记录加入到customer的trade-record-all中( q+ x: {9 T/ _2 z! L2 b m
end8 ~: c" T* K1 h: O) p2 H/ f- m# z
! p# _' h; M' n* O3 [, \to update-local-reputation
0 X/ y |2 X0 J, t% Q2 Z* ]set [trade-record-one-len] of myself length [trade-record-one] of myself" \& r8 N8 j' ?9 m o F
2 M: f1 _6 W8 x! t8 [
, j* M% T0 d' i! s/ I;;if [trade-record-one-len] of myself > 3 0 V/ e" |% _: l% h' K3 ^
update-neighbor-total6 }5 Y9 G3 t) U- m, V
;;更新邻居节点的数目,在此进行: l7 @4 a+ \2 b1 G% j& d
let i 3
4 N3 }, q( a$ t& o( B! _3 Q* j' rlet sum-time 09 k( c6 e; E3 E+ ]5 X% G u
while[i < [trade-record-one-len] of myself]& H3 R. Z4 U7 j6 w9 @$ {# W
[8 ]' \8 w1 P1 Y$ J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), u0 r% W6 A+ S7 U- n# g# J
set i% v! e* o7 U% w/ |) n9 ^
( i + 1)5 _% X# R8 V3 ~& t
]
) @ e; v v5 d1 A! Q) `8 e8 Blet j 30 ~( `1 b' B; K
let sum-money 0: P% V3 v: O3 e$ H
while[j < [trade-record-one-len] of myself]/ @6 Y( y+ l l- f9 C9 Y
[% j$ v Q. o" P+ l1 z1 K: o
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)
: m' A/ L2 j; d1 p X* oset j
* y1 u4 V0 U+ w; C! g2 G) c4 j( j + 1)
6 [' D" P" e9 @3 O]" ]4 n( X8 d# {5 U9 h! ^
let k 3+ }4 R( L5 {' q- U* S
let power 0
) i; g: F7 i6 j; v" rlet local 0# n0 T3 a+ Z4 G" a, H% o: Q
while [k <[trade-record-one-len] of myself]
* p& D9 Z/ V9 B& e7 r8 x[
" {2 X3 q, c/ Z$ X, Tset 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) % c+ e" `- D( s: {
set k (k + 1)6 c. ^7 e1 A; B5 |6 ~; K( p
]/ V" n. ` a) f _8 `" `5 q
set [local-reputation] of myself (local), O7 Z- o$ ]: Y" _
end5 @" U$ S) F) a4 W
8 `& G$ M6 a; @/ P$ Pto update-neighbor-total. x4 E* X& h* V/ u8 L
0 F- M6 ]3 b) k- P' Nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 v# N1 n% _0 \! @9 S
5 t6 R+ H! w+ M! |# P3 S! e; ^8 m4 F3 e \: k, k" P z) z
end) T/ S# t: f3 x* c" [
- ` y: N4 x6 s$ I& xto update-credibility-ijl
y$ g( Z. Y* v5 b* ?+ j8 }' N4 U/ F* `6 z* s% ]0 e' 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。" [5 Y5 `( }0 z7 @# W( _$ o
let l 0) T6 Y+ M( \" S$ L2 }
while[ l < people ]! e3 L4 i" N3 n# K4 \9 h' M( g; F
;;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' D# E6 Q, h m. i9 J4 Q
[
! a6 a, L9 }5 R9 h" _/ n ~1 Rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 ]( ]6 I% V1 g# z
if (trade-record-one-j-l-len > 3)
) [2 q$ k- b+ @+ [+ o[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
* v) R4 W9 ~! y' A8 Xlet i 33 w# B0 f" X& r: r' }
let sum-time 0" c) x: s8 s. N& n
while[i < trade-record-one-len]
# l9 F, @/ U9 W$ N& B1 A, z6 v[ }& l3 E& c2 m+ E$ q: ^
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 K$ }; q' E |% K- d$ z7 k
set i
1 ]% c9 n3 f7 m8 y( i + 1)/ ^* {6 K4 y( g( [$ l0 o; b& q/ `
]
, X G P+ ~$ ~' o# X% x9 T1 |7 P; d9 Ulet credibility-i-j-l 03 S( |7 m1 p6 o- ]
;;i评价(j对jl的评价)' g$ a2 y8 C2 M+ X& s
let j 3. U7 r0 I% P6 [3 d# v1 u
let k 40 ~ U5 T- t2 _/ g2 y9 y
while[j < trade-record-one-len]
8 M9 K3 `7 g) w[
8 [$ r+ y& q. |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
+ N) a& Q9 f2 g, d9 k3 G' ?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 `# d8 v7 c! }! L) uset j
6 H% h& g+ }/ l1 o9 _, {( j + 1): @8 c2 w. K4 \+ w$ r
]
3 j2 @; {% w# K9 z. i$ x) w/ nset [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 ))
1 ?3 j0 T8 \3 |# C. }
5 }1 X) X1 D$ o" w9 U
0 z1 D7 J5 h: e0 B7 \7 nlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 A- R+ O8 J, c. K) X' x, ]
;;及时更新i对l的评价质量的评价
: ]. x/ ~1 Z- e" v8 p/ Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 E5 m8 A. ]/ ]0 V. B- [
set l (l + 1)
% D8 ]+ k3 x5 D: n]
. [6 h; j Q$ C* p5 vend
; T0 ~/ v6 K* ~6 j
8 J: F& y1 b7 |9 kto update-credibility-list) l* B8 V# f& Q- P7 w! y* n
let i 0
0 Z, C0 T! Q5 D" m- Dwhile[i < people]3 i' v- _/ n1 h9 V3 ^, |
[/ b) @1 V; w* h$ O$ ^9 ]) c, ?
let j 0
' L3 N. y t6 g7 Vlet note 01 H( {. w4 f4 d2 n; T
let k 0+ k/ G# m5 g, T* H- x
;;计作出过评价的邻居节点的数目1 ~) }: e8 E3 W7 U
while[j < people]
" v+ k6 Y' _& F* `" e( N[
* i( p1 v9 @' |" E# @2 A- Tif (item j( [credibility] of turtle (i + 1)) != -1)) j& V" L& ~! |% f9 {8 a! e: V
;;判断是否给本turtle的评价质量做出过评价的节点# o( [' h B/ u8 ]$ j/ o+ N0 b! Q
[set note (note + item j ([credibility]of turtle (i + 1)))7 w; ~ ~: g' k
;;*(exp (-(people - 2)))/(people - 2))]
8 N1 r5 I& I# B$ \set k (k + 1)
4 G9 T# y: K) _]
! S, p- e3 X Q4 tset j (j + 1)" h9 ~' R' n& u0 B
]6 d( H) e7 ~& H& y- J* Z
set note (note *(exp (- (1 / k)))/ k)/ i7 N) D3 M% h+ Z9 D( O. d
set credibility-list (replace-item i credibility-list note), f. _ k$ K+ o% c5 B
set i (i + 1)
# ]8 S9 L7 X0 [4 J& Y0 x+ i4 \4 b]+ R: S" c) ~/ J) E1 x
end
, M3 k( C% R' I' @! B* j ~9 V, y! K
to update-global-reputation-list A. j9 e8 W+ W$ L- p. H4 }+ w9 W
let j 0
# K5 j8 T! b' c9 P Y9 i& T. v, i5 _while[j < people]" {+ R3 U @% B }
[
4 @: S t! e2 P% \; Z5 l) Ylet new 0
8 y/ V$ c/ q3 ~: E* e) I;;暂存新的一个全局声誉5 n) z( \$ o& N7 J, U
let i 0
3 Y: `3 A, f+ C3 ^5 m; e% z5 [ E5 O& nlet sum-money 0
- s; `) Z5 p: X! b) d4 Z0 ?0 G* d/ `0 flet credibility-money 0
, U8 i$ p6 h3 N! O& jwhile [i < people]% l4 u; l5 O2 y3 `. [
[, H) ~) A& B; c1 t2 C) K
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), \6 R$ e- i) l
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))- J8 o* m6 Q" x0 j' ` T5 \
set i (i + 1)' u1 \$ N( j! j9 ]4 x# \& D
]' V2 r8 h& @) Y+ O+ u
let k 0
6 P2 V5 ]+ `0 _& _6 h. u2 p' elet new1 0
- X9 j- _# s) ^+ \1 ^( h& |while [k < people]
! A7 J- m7 i4 n4 }. X, j; \& x* c[
* j# h6 B- \0 O U% p- i" aset 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), L2 m) d2 T5 d5 e7 G9 L7 F
set k (k + 1)" ?. a3 N0 O7 F1 V7 a6 p
]
- h" p0 c2 J$ d- }' s/ D, H+ lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " c$ p _4 G( b2 N
set global-reputation-list (replace-item j global-reputation-list new)
# f8 M1 i* f9 b' F: vset j (j + 1)
0 J( ?+ X e7 C" j- \8 Y]$ X3 G) {7 J' _/ v5 s" d
end
" M" P* ]' x& |" j* i. l2 H
0 u" u1 r' G. m% n0 B" K8 _, ]
7 y# W! N3 F; H. { h2 N% M/ \
: \+ |% m) V! @! m& N/ \5 p Yto get-color
- j& h/ }, _: n6 j0 i+ x# k7 F% k/ k
set color blue
* K$ h) \7 R5 b% ^# }/ I. s( d% o3 `end# e: r9 f8 s- f/ H! m- w
! I) R' x) [0 }- `# u, W
to poll-class9 [- n6 y% C7 ?; Y/ X" s3 G
end
5 X$ O; Q8 X& `4 S& D
. ~- q0 h6 n$ ], S! Z% N! zto setup-plot18 z( n [" D- m. W# D/ a' h
# X) E! @; |, D
set-current-plot "Trends-of-Local-reputation"7 ? C5 j D0 L V R6 [$ r
* O0 b6 w. d( w+ Q% x1 dset-plot-x-range 0 xmax
1 O- L/ w+ I2 @4 O' G1 j( g1 {8 F: q) R- Z1 g
set-plot-y-range 0.0 ymax$ W& p+ @, I# p1 Y, r- g
end# t2 H% m& A& ~! n7 a/ D2 ~9 G
" a' y1 g- W8 x3 z# s4 p4 ~
to setup-plot20 Z5 k. f9 Y$ j/ E( c# w# e/ B
& @6 t. J* V; k3 _2 f" gset-current-plot "Trends-of-global-reputation"
% F+ q5 \4 E; a$ U# c+ Z' d; m2 T- j2 l3 K+ E% O" E. e% m2 q
set-plot-x-range 0 xmax+ T: x2 i m! D
4 a- ~5 D$ v( n0 h* ]: ~; z0 `8 H/ l0 ]
set-plot-y-range 0.0 ymax
: n. u" Y0 e$ S! k0 xend6 W% E! w/ N% s8 J0 ~
3 v* a( z! x) r: r/ hto setup-plot3
9 B& @. V1 ?# v
. r/ b2 j9 G5 R% Eset-current-plot "Trends-of-credibility"
M9 `3 w, F C% o1 {! w/ e0 C6 K, C1 t
set-plot-x-range 0 xmax) k5 c: y& Z. T6 }% z7 z
" J( Z) o3 \$ V, @8 F5 Oset-plot-y-range 0.0 ymax3 o* P g$ T# q2 o( O; f) P' |
end0 I+ \5 J8 m! \: e* o) f
( q# a8 k3 C$ X! k
to do-plots
8 C9 D% L. _; c+ _- l/ `set-current-plot "Trends-of-Local-reputation"0 A9 f) N3 j, c7 q2 {
set-current-plot-pen "Honest service"
4 ]3 }7 b8 d% e9 U7 `' send
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$ N5 e: f/ `+ o[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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