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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
9 {; W& A2 y- m6 ~5 c+ g$ fglobals[
1 `/ p) c/ w: l. |6 a$ t* c4 a! Exmax! h1 j7 C' i/ r: x
ymax
P/ Q) w, f7 P! O7 e* n' Z( aglobal-reputation-list
1 \, K( S; S: K5 A. ~. i# H; n/ I9 r6 ]( s# K$ b# o0 k
;;每一个turtle的全局声誉都存在此LIST中. `5 }( P0 Z% I1 H6 d
credibility-list0 Z; x0 l( T4 t. C4 \2 U$ `4 [1 P
;;每一个turtle的评价可信度
0 j3 Q4 U7 [! M7 u/ O khonest-service
- m' u4 M5 S2 _; F- Yunhonest-service8 [4 D# `6 B \1 H9 q# O, b& R
oscillation
6 C; ` A+ a9 K' Qrand-dynamic
: [, r% D0 K$ ~$ t4 I: Q] Y" o3 B0 s3 t% a
6 R. F$ T) Z* h/ I4 g
turtles-own[
( B/ [/ [) ?# `0 ?8 w3 q5 utrade-record-all
& x" J, v. x# G2 L T( M s;;a list of lists,由trade-record-one组成
0 t0 S# O# B F9 Ftrade-record-one
. g3 Y. l% D1 J/ t( Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
2 F$ e0 o i7 \: O; R- [! K" Y
;;[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]]
6 D! Y% Q3 F/ W4 z) o: o" Atrade-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]6 k! F: w2 K& U- y: i) V
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/ ^. H: p1 t* [8 X8 I1 A
neighbor-total# G( ~- g& r8 y( \; P
;;记录该turtle的邻居节点的数目
; W% P8 [) r* ^- \trade-time
9 V/ v7 A' p' t$ @4 u( B;;当前发生交易的turtle的交易时间5 l# g1 c+ v$ s4 [6 Z1 D
appraise-give" [2 f4 c" e& [$ h0 H; w, a) u' y
;;当前发生交易时给出的评价2 O. f* X7 m) {/ J7 ~: }4 v
appraise-receive4 j" G+ F) p# T. @/ m
;;当前发生交易时收到的评价; Z! Q0 [- c! m
appraise-time* I/ r/ Y# x8 {, a' h) m& @
;;当前发生交易时的评价时间' f' Z# F4 N) _- o, Y* ?; Q7 C
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 l& J" V7 M w9 G5 U) s6 ^trade-times-total
) I9 C& ]$ A. E, I& q* T, V u* ~;;与当前turtle的交易总次数& b" P0 I7 V' M* z
trade-money-total4 m6 K( |* J! q3 l
;;与当前turtle的交易总金额- _2 y. [7 K' j1 x$ c& `
local-reputation/ O' O( W3 _0 r& S, ~' r# ^
global-reputation# ]2 }" X% y1 v1 o7 H. U: R+ z
credibility6 \/ h! K" v; t; h. _7 u4 L& D! @
;;评价可信度,每次交易后都需要更新) q; m! y8 q% W+ N" M' y* A# c
credibility-all/ i! p- F% W( U, m
;;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$ T* d D" G9 s" [9 P' }
( s% C4 [. H" j* M$ J% A
;;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
' N* A1 K8 w9 i' @, \' H9 c( ccredibility-one. o9 I1 K2 f2 R# G% S
;;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
9 d* [8 p- @+ R, c5 jglobal-proportion4 d; |% D' I5 P' f' _7 }* g
customer
# B9 u/ u. b; scustomer-no3 H6 S5 G9 T% v+ n" x
trust-ok: j2 G5 }! B6 J1 x2 ]5 y% M5 }
trade-record-one-len;;trade-record-one的长度: m- k8 v7 `' \( X7 V) K
]/ C4 e, C" q6 B. W% M' q
% T* A( K: Y( z4 {4 H! q5 S6 p: G;;setup procedure0 k* @3 R5 V: O% ?* w3 l$ {. z
) z7 q5 o% P8 A0 Nto setup/ s: f5 y% z; |% `' i8 Z
' \8 ]) i: f$ V) X7 w* H
ca4 {$ K" o! d9 ~) ?
9 C# r; `. _# d1 i9 o1 @initialize-settings
5 Z/ |! N) q3 b7 p9 F5 D
" o. G) R! @2 `( l0 p/ W) w `crt people [setup-turtles] y8 q; G4 C+ F( {: Q
1 R) n' H/ I* e+ F+ o) v3 z: ~reset-timer5 I$ @+ }9 r3 I l# p; A: Q$ m" ~
0 r7 @9 W V# h2 O* j3 ?/ e1 M: Xpoll-class
# d+ K ~! X& @4 b7 _: P9 s( Z, C
" g9 b; [/ g! l/ d% b) o, T5 p- Usetup-plots
$ \3 e) C% o4 j! ]/ f! ]) }0 \, o% j* k k+ D, K
do-plots3 B: u% F% }; i/ `! b. p1 T
end
5 a+ e7 d( c/ |8 `% l
$ ]8 f7 _3 R5 A5 B4 Mto initialize-settings K$ j& u( c1 n( P! Y0 M2 c
4 T+ _% `. }! |1 D9 ^ @
set global-reputation-list []; ]5 Y% @3 U$ \* o( Q! o
, V! u3 U \9 U A) B& oset credibility-list n-values people [0.5]
4 @- L0 m, Q+ d) h6 c# J; _3 y! d& ^
set honest-service 04 s5 r9 H2 |: Z' Q4 U
* u3 ?5 Z8 H+ u9 j- Cset unhonest-service 0. Z& n v9 p. b9 a
2 Z! Z2 Q7 I8 U" d1 x* ]
set oscillation 0, g0 `! h" ]- n1 e4 E+ q
+ R; T1 k y6 S$ S* x1 yset rand-dynamic 01 B* C, M( h! c) p9 y! k# N+ ?8 T* y4 w
end
" m% g7 v" c3 b
! P/ ?& |; x; A7 Uto setup-turtles
1 X0 V. n/ c: tset shape "person"8 t- {0 ~- _# L- J* J
setxy random-xcor random-ycor
3 C' e& @9 q) L6 D2 e; P5 c- }! [set trade-record-one []
" t) \1 w% ` ~6 ^! J4 K) C: C9 ~
set trade-record-all n-values people [(list (? + 1) 0 0)] " o/ R9 S) F" D9 r; U
1 W. ~7 v6 h! y# ^
set trade-record-current []2 U7 h# t4 W. @3 ?& z& K) F! H
set credibility-receive []" ~' A- @6 P2 y, y- A0 p, f0 Y' V5 n
set local-reputation 0.5
5 E+ N! C) t! q+ Z8 R Uset neighbor-total 0
6 S$ p f9 s; a4 x" Oset trade-times-total 0
# G' @1 b& X" {1 u( m5 W- C4 ?3 cset trade-money-total 0
7 ?: M3 `3 c; l: h! {1 g" @set customer nobody
8 \0 z5 ]/ d+ w: Hset credibility-all n-values people [creat-credibility]
+ g$ }+ T; w- |1 Eset credibility n-values people [-1]) G+ { f7 l* i3 K9 |* o, @; A0 t
get-color
! `/ A: t5 q: D9 n3 g) \, |4 z+ k3 Y- j$ p# ], K
end
: }5 Z$ P2 M6 O) x, w8 J' N1 d7 O6 Y
to-report creat-credibility1 ?" z! a# ]/ n( ^& a- E8 }
report n-values people [0.5]
0 b; r% N: t4 j& m1 n- Nend& F+ G0 y+ p7 M x' j6 q
) k2 ]- k0 H2 r$ _
to setup-plots: z4 \, T1 G& j
& j* o7 t0 C5 w r: U/ Z
set xmax 30
. l3 j4 X1 ]$ G: }2 V" |; }8 p0 t4 ^1 o( b' T- P% A, {! v
set ymax 1.0' {; L( @0 N) h4 [
$ }4 E( M2 x1 ^! ?
clear-all-plots0 y) v" Q% G( M2 d7 _
4 h5 d: _% n1 a; R9 i+ f1 nsetup-plot1% }% J) D" Q* [/ U
7 G$ |1 w5 t, x) d }) Z) M
setup-plot20 ]" q! M0 X! O, K# Q
2 d2 \! _. F! H' o5 V) j
setup-plot3, S( F3 L9 v6 D# M) n
end# g/ A$ O# Y* w$ c& b# W
- s" e9 p7 ]% e" c& [
;;run time procedures' k+ F# y# A) X- j& f
8 \$ V$ M! L! b% q0 jto go
0 Q$ r' e Q4 C9 k# p1 g% k8 H, g7 T2 T" O: E- K9 S4 k
ask turtles [do-business]; X$ c. Y5 t( p3 i' Q
end k9 r7 y% V8 B4 x3 f* t5 }
+ ^* d! W8 p$ c' S9 X0 @* C) dto do-business
4 F* P; g( q& F8 q8 B
" u1 D' ^3 I, j1 G2 t" N. J, O- U5 Y
rt random 360) A1 K5 j4 c# ^( _- B
5 n( z1 v6 H# O. \* Mfd 1& m8 i( Q% p2 a* `4 K. B' w
' ^9 \7 O' L1 Z/ v- o8 @1 k
ifelse(other turtles-here != nobody)[6 M; Y% F1 i8 A( p
; e& J6 T* p$ r6 u0 d! Z
set customer one-of other turtles-here
4 i% {+ ?7 n$ |" h" }7 ^; S( m( h# x+ W
;; set [customer] of customer myself+ b! X" j4 A( g- ^
" R0 {" |( ^' L; E9 d0 p1 B' h% o8 Wset [trade-record-one] of self item (([who] of customer) - 1)/ ~4 D9 N8 ~: p4 V! I9 ~
[trade-record-all]of self& ]9 n: T. Z6 e+ _7 Y! q3 q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 `% b9 Z! l3 f& L( e, d
0 R% a7 x- k& ^5 K7 l/ I1 |4 `+ dset [trade-record-one] of customer item (([who] of self) - 1)
$ N/ O6 A$ ?' K+ _- P6 h[trade-record-all]of customer( u% b# f+ ?# o/ ]. T
' @1 T4 ?1 [! f, o% v0 m
set [trade-record-one-len] of self length [trade-record-one] of self
* @$ U C5 ^: n9 n8 u6 d; l+ @
& L' T1 W: u% F) h8 \! N* hset trade-record-current( list (timer) (random money-upper-limit))
4 {3 i- b2 k8 [/ I" K8 E G3 I- \4 B( n1 f/ d+ J
ask self [do-trust]
* e V# y9 y" \% L+ E;;先求i对j的信任度
* H/ H; U2 A- \1 f! w2 W' \$ d& J) t1 J! v$ r9 @2 b
if ([trust-ok] of self)
. G: D/ F) m6 a' v$ v;;根据i对j的信任度来决定是否与j进行交易[9 l5 t' S0 a7 \# `: m6 w v3 N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
! a2 a9 |; Y1 A" i
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4 [6 d" I& A Y7 _: e; y' r2 }, v6 q. L" V. U) L0 ]3 P) j, U; N
do-trade- j) x" p. f, R6 p+ i# @
9 Z+ L G! g+ W6 T: Fupdate-credibility-ijl! A8 z) b( x+ ~" Z% p7 V
" u2 K. n8 x8 k$ Z
update-credibility-list
. ^; l7 U" p* y4 ~8 c. G
" V1 t0 T9 f8 m6 e4 w7 ^9 e3 y D. S4 C. Q& U( f
update-global-reputation-list
Z" e1 N6 @! Q/ R& ^& A* M. ~2 I3 f# O6 M$ P) M/ _
poll-class
: Y ]$ S7 ^# C8 b& S% D9 v% e8 H6 @$ o0 }! a Q% k
get-color
, {9 X7 d d' C# w" ^' n+ f+ `# e# B' x
]]
+ l* U) s+ [9 \0 X! \* i2 L7 m) j: Q
;;如果所得的信任度满足条件,则进行交易
7 ^/ ?2 b1 x" C: w' M1 S8 f, M; i5 u: h3 h; Q
[& W6 C( {: y* _ n1 r. b
( u4 C1 P) `& W/ ]- F# Vrt random 360
6 t5 L, |* d$ Y- h9 j2 |9 O8 ^$ P4 H
fd 1
9 j( L2 B; {1 w' h' f" [% f/ {2 Z! n
]
0 h1 F0 {9 Q6 {! v$ y% s+ ~2 _1 M5 c5 S
end! t T: N) ]) C) H8 H/ L* H
0 `; {" [, ^8 N! B9 B; sto do-trust
; f) L6 O n5 o0 cset trust-ok False- X& U2 ^& r {; r5 u% w
! \. K! J- p" A8 o9 c# U- u% Z1 a0 @# S% D$ L" f( U9 p* G" l3 I
let max-trade-times 0
2 B* s( o* p, C) A" ]: {( ?% wforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 x8 V. ?8 c% h0 W. Klet max-trade-money 0
& D, o; Z+ h' n, {7 o) [8 Tforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
% J& u) ?8 m3 U( n+ Vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
3 r$ _: ?+ ~/ M( f8 ?$ b8 M/ }2 m) c9 A% N/ d
/ b- n& v1 p/ z* ?4 ]; N8 M
get-global-proportion w, W8 W3 u6 a6 V
let trust-value
8 I. x4 |+ Y) e9 |# A/ S# P/ @; M7 dlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
' I% X, L) S+ A/ dif(trust-value > trade-trust-value), P2 x! u4 }* l$ v( F
[set trust-ok true]8 P9 q0 n6 h7 k4 F( `; S7 T4 U. d
end
- G; s. @ K6 l& \
9 ^0 h4 c2 [$ O& `to get-global-proportion
3 E; ?' r* d$ xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: Y1 S2 Z4 u0 B ]3 n[set global-proportion 0]
. Y. K) p7 K! n+ S; W) r[let i 0
0 I+ q9 K G( e" \! ^4 c- olet sum-money 0
7 y# j% z6 j1 S- _/ Q! S" C' owhile[ i < people]
' Z% M6 d4 a5 Z! ?[" ?" t3 g* B+ I# b2 _0 ^1 N) t
if( length (item i) _ V: h, r6 z7 ?- h
[trade-record-all] of customer) > 3 )
& M8 e! _7 y4 Y% v; m* U% j[
I8 X+ R" q, x& R# nset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' ?0 a' E/ ?) Y]
- X; U9 @! l$ d8 g+ x0 q]7 K. L l( D8 q! K
let j 0
9 R: ~, \: G: a1 mlet note 0) d' O. `0 B' |$ X* r
while[ j < people]
7 S# _! m8 w& E[& @* c0 M7 `/ Z/ P. W1 L
if( length (item i( a0 D; f% ]! }
[trade-record-all] of customer) > 3 )0 E% }% \( ?% U. U) r k9 ~' V; n r
[, j3 d8 { M3 f
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 ]" t4 Y) W' f% Q; r+ W[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 m5 n; z$ ~) `4 X# N* x: {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ c' ~% ~! E- F& _2 a]6 J" A! a( h8 ]3 o4 B" @4 I/ B
]
* }2 q" x7 X: |$ j9 ~* B, r3 zset global-proportion note) f" Z! l( h8 l- \
]
: U) z& F5 ]/ @, z0 ?end7 w0 I1 W; r8 |* s8 z
+ m' }/ h1 b/ H* T+ T# l+ k# h" M& x
to do-trade' T1 e' ^. W( [2 q, h7 c2 {8 o" U( Y0 z
;;这个过程实际上是给双方作出评价的过程3 _6 r) i* l+ }/ D) D; M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
& X$ H0 {6 k; v; L9 t, m; Hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% T4 j9 n" n2 L
set trade-record-current lput(timer) trade-record-current$ n9 k% d" |, Z9 \8 u
;;评价时间2 Z" R# f5 p# I' F
ask myself [
& P$ F& [: B3 X; ~update-local-reputation& g* p5 R0 [# w2 E( f
set trade-record-current lput([local-reputation] of myself) trade-record-current0 p: V2 [4 X! e6 F0 e
]
% n' [% V0 e! k# | W% w) i5 V* f9 Gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ I. F! w( i# Q3 r! U( n9 g;;将此次交易的记录加入到trade-record-one中9 q& N0 H2 P+ b- s. z( f
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
. d, s3 x' a" o- E' Glet note (item 2 trade-record-current )! |+ J& ~% r; m
set trade-record-current0 }' ^1 [2 b/ K- u
(replace-item 2 trade-record-current (item 3 trade-record-current))
/ b% M$ V2 [6 f5 s* C! m3 Gset trade-record-current
4 i! `* p' b0 ?) B9 A, d& p5 l(replace-item 3 trade-record-current note)' V% m! E4 |5 j6 M3 n! d
3 R8 w% W) J) O( e5 j) }- U
* z* i" b3 _7 G3 S# p: ]) gask customer [, W% C( S3 A& ?% J' h7 X2 j
update-local-reputation
( b( \- Z5 ], i, Pset trade-record-current% D: i- G7 b: v, _2 W
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * r; n% Z( d' [( N
]
. v h. I- [- X% ?8 b9 ~; i) [$ t0 H" V4 w# |) k3 w' G: @9 L
5 d5 o( `, g" i; C' Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 a, E4 a4 V. s/ _% B" \
3 S9 F0 y& x* D0 N: X) n8 ]set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" M- ]3 O3 w1 Y4 B
;;将此次交易的记录加入到customer的trade-record-all中( o8 X, q) m% o; X2 `
end
( Z) G9 \9 W# U P2 |1 Y
6 I9 B6 G8 i/ g. x7 p( cto update-local-reputation
: C2 z) }' l* Kset [trade-record-one-len] of myself length [trade-record-one] of myself
8 K) O7 z3 L3 q- X/ [- S% b* @( I; a7 ^' D
1 y2 w) ^* Q- E' m;;if [trade-record-one-len] of myself > 3 5 U5 g( s' g9 k8 [/ D% e
update-neighbor-total- u) ~/ G6 R: \8 R
;;更新邻居节点的数目,在此进行
6 [5 F& h2 v0 y, Vlet i 3, F( Y2 A0 J N# Y
let sum-time 0& R* G9 H* z- d4 y& I
while[i < [trade-record-one-len] of myself]
3 q7 M- z" D2 }2 A[
# v% e1 G# _+ y% Y* Rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
5 E$ s# {1 i& R: W/ G# }set i
9 w1 v/ A5 r! b+ e+ i8 N4 v g( i + 1)
1 L z8 D9 o) ` q, ~]
( K: U3 W( F2 S/ m8 b: ilet j 3/ x, Q9 {" Y4 A3 c( h( W4 d
let sum-money 0
8 g! a6 `, Y4 R8 p& t/ `/ H1 cwhile[j < [trade-record-one-len] of myself]
$ [4 o9 E' [) S[1 o0 }; L3 n, r* ]. ]% i5 ?
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) l$ H$ {# A; a' k6 F( w5 \4 u% x
set j
3 N" Y9 ?- N" L) b6 P" h! I" }( j + 1). j4 C1 x9 y) w5 Y( C& P
], O1 v3 [$ \: {
let k 32 ~- G0 ^. p9 M
let power 0' s& l# p) o, C% x+ t+ p( C
let local 01 n: F0 [; S3 b
while [k <[trade-record-one-len] of myself]
5 X& k1 W0 O, Z7 n. T2 w/ j6 Y( b4 z[4 x7 g7 ~' L! S; j, `
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)
+ T8 \# U4 n9 u! K S6 g. Vset k (k + 1)
7 g @0 i1 }3 K" Y1 T) m]
" p. J! K. X0 U# W- f* Dset [local-reputation] of myself (local) \) w. C" A5 l0 U
end
* Y6 K) C- _5 {8 l9 r1 k3 S) G) j/ l7 E q2 a2 ?, d! [$ q
to update-neighbor-total& C5 c) K! b4 _, q: l7 G* ^
% y `7 F Z" @8 n2 _" mif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# ?4 }9 \1 L: I" K7 }) u3 N: n
$ D3 \/ d7 v" b* T- ]# j7 R$ C9 {& Q) H0 e4 z4 l" v! u& g: G
end
- i8 v3 ^; _5 }& }
+ ]5 W1 v( i" N8 E, Q* A6 F1 h# sto update-credibility-ijl
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;;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。7 B4 R3 v, C. z' e1 v* a; d& v# j: {1 i# r
let l 0
& s7 o; T' B6 ^. Q$ E0 p5 U& zwhile[ l < people ]7 z) S9 E/ ^/ e7 F; c3 a
;;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! m3 w* U5 r' ~0 q1 W$ t& N6 V
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 W0 b* A3 k9 k5 q( W; W
if (trade-record-one-j-l-len > 3)
, X: K; l" a& ~/ }& f+ P[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$ V9 P; v$ t, a" Q5 x3 I" ]( V8 G& K
let i 3, Q* K" p% B% O V
let sum-time 0( a1 ^. K# L s5 s4 c% L
while[i < trade-record-one-len]. ~* J9 s* A4 J. w6 O9 j9 D2 \+ f
[
5 G# o U; G: N: f% [$ H9 A# p& pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, u7 |" D/ t8 ^( z$ vset i
, R4 K* h) w, K1 @+ O5 R( i + 1)
* c2 O- Y* P! Y: ]' L]
s4 b8 W/ K6 R! Wlet credibility-i-j-l 04 }. [: ?# F+ q$ v6 Y
;;i评价(j对jl的评价)
% r0 g: I! z4 ?* z/ n$ t8 Flet j 32 j* E( @( G5 v+ s9 J; j: G
let k 4/ U# f+ I c- o. y$ \% X
while[j < trade-record-one-len]1 x0 v) p) X" x/ m
[
n" Q( w: P- gwhile [((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
4 B; [ l, K! Bset 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)# K( p) E* E: b* n! v4 E$ q1 b
set j
( Y, b' M" t& Y' U: V( j + 1)8 o+ g$ u8 m: X
]( o4 o& \2 X; l
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 ))) `5 Z% v s: T# o3 {
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- _, ^. [* P" _# Y" q
;;及时更新i对l的评价质量的评价
) M: ?6 M+ ~* f/ X8 Y$ tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: s( i$ v7 ~9 o: i* E8 `4 ?2 Aset l (l + 1)
+ `5 C M& \5 ^1 S]7 }) |4 t1 O: A7 t0 ?
end
# V4 S* Z5 Q9 Q
: t( b j, y5 |( K$ S" Ato update-credibility-list9 K5 S" ~( C1 \; g; N* y
let i 02 m4 @- c$ {) }; Z% `7 b9 Q0 m
while[i < people]& a* ?. B# X/ B5 g, P# Z8 X
[8 R, G$ E, n( F( S: S l* g
let j 0
) M X- N$ L4 l7 ]4 tlet note 0
7 e1 @0 t a! i U# E' r! b% hlet k 0
, H! ]& ^" K3 T/ e7 N) o/ R;;计作出过评价的邻居节点的数目- F1 g% q( s/ v$ J, m+ E; R
while[j < people]& [$ I$ b# b2 _$ ^% i9 h
[/ U7 \+ u% M7 A% x/ f2 ]) u- T
if (item j( [credibility] of turtle (i + 1)) != -1)
/ U2 Z# p5 D7 p9 ?8 e;;判断是否给本turtle的评价质量做出过评价的节点 {3 R) s4 \$ x
[set note (note + item j ([credibility]of turtle (i + 1)))
" t( L& u+ b/ X- s) w;;*(exp (-(people - 2)))/(people - 2))]
- m' o4 n; s) F1 J2 s; D8 Hset k (k + 1)
8 n6 ]9 G# o1 [% m]
5 G% y7 C% ^$ a5 N4 i# Yset j (j + 1)
: M: P3 S& U7 Q, \8 B]/ a' r4 [, s) t# C2 T( u' Y% b
set note (note *(exp (- (1 / k)))/ k)
& ?2 {9 E2 |& a; I; i, Hset credibility-list (replace-item i credibility-list note)
' l$ P- ]; P5 d X* |' |+ Wset i (i + 1)- v6 ]$ G4 V/ q( L6 g) X. Y
]
; s9 T$ W4 q6 f! k* Send
2 j* f6 w/ _0 V. \8 L
) L s8 ^1 d9 r& Cto update-global-reputation-list
2 k" `6 H7 E5 l* ^; O( ylet j 0/ M& o6 }) S( A! U
while[j < people]
/ N, S9 O* Y7 J, {[
/ n/ a5 w) o# h" l0 I7 l+ tlet new 0
3 U: L6 e9 R Z* K;;暂存新的一个全局声誉
$ U3 Z6 W; o6 q6 _let i 08 a( @% L5 q6 d$ Z8 R! |# j% E) @' a
let sum-money 0
) j6 m# H4 b( y( _8 ulet credibility-money 0; m/ t2 W5 Q Y1 q4 n
while [i < people]
! l0 k5 ]. }' o/ Q[
* ^! U9 `6 ? D3 L& {: f. mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 I, _( c# n+ u( N: {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): m6 F f% y; X8 }: u+ l% d3 b
set i (i + 1)
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let k 0
s7 [7 B% I# v( c) xlet new1 0
1 D1 W: [% i1 w# X' h) qwhile [k < people]2 n9 I G7 a4 I; g6 |0 Q5 E8 e
[: d' X0 Y! S1 T6 W6 [: N3 f
set 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)
1 B+ l4 N) p, v* A! [9 sset k (k + 1), N' h- y& d5 H l7 H# `- C
]& e7 P4 x* O+ W3 p( A2 b
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 I7 K; x) u: @+ @8 i) W$ {; s |
set global-reputation-list (replace-item j global-reputation-list new) l3 y2 p* D4 `' z8 \' k
set j (j + 1)( H" `0 R1 U* l% t3 k7 D$ a
]- f. g. P: Q1 E- }* Y0 z5 a
end
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, S& l* n# Y' f' t0 Uto get-color# G: j7 k2 u4 m) n
( d W& W: l l( m: f- qset color blue
! k+ H h2 P4 |" \' Q2 J1 j! Vend+ Y0 K. A9 d U) u
; ~+ n% `4 k- \1 l* `
to poll-class
- F# q3 Y8 e3 C* i* _% ?! xend2 B y: t- ^; }
! E2 t5 u7 r+ |7 ?5 lto setup-plot1
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set-current-plot "Trends-of-Local-reputation"" j6 ` G" ?6 W5 ^) O, V
+ @, |! u6 w- F" m5 c7 z' b* u
set-plot-x-range 0 xmax$ p7 z* n4 n9 H! \: j
3 G. W P, u1 P2 g8 r: l4 m5 f+ a' _
set-plot-y-range 0.0 ymax5 W V; k( j2 w `( Z& { y; x
end1 _/ s0 P$ U& R2 K! {- \% N
- J: Y: L0 v3 n: h6 Ato setup-plot2. O* i/ c* V4 ?
; p9 U; u% D% o2 ?set-current-plot "Trends-of-global-reputation"8 D6 k$ i& w+ y# \
2 F7 Y g3 f% H+ R9 s4 T8 A8 g1 @set-plot-x-range 0 xmax( E/ o$ J; T+ }: @1 q0 i
8 O+ q6 T+ y, K% O3 W
set-plot-y-range 0.0 ymax
2 y! I* L6 `3 a5 Aend$ p' T% n- n; a H" t$ u
% E% z% a; \2 Q1 A2 U: g
to setup-plot3
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set-current-plot "Trends-of-credibility"% k+ f- }" r( P; E/ [$ ^
9 J+ z6 m5 l2 w& T& M& hset-plot-x-range 0 xmax7 x3 _ x! f1 }( S
% V- o( n) y; C0 dset-plot-y-range 0.0 ymax; ]. v8 B, i! P: `( Z' t' Y; n
end# t8 o4 e* R0 B. l7 P1 N
Z( }5 q/ k7 C" a1 q; | N+ Cto do-plots
2 i5 A1 M" I' A# u5 Y- s kset-current-plot "Trends-of-Local-reputation"
: c& S7 t- [' V& F2 U; Nset-current-plot-pen "Honest service"# w, x/ P+ c3 i' Y* ~6 Z8 p% r. ?
end# s5 \8 d* M1 P3 M& Z) U. \
; _2 L% ?) K2 a, E: V[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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