|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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 r9 K6 g; ~% [! U% W
globals[
6 \3 T6 J3 b+ L3 c+ c; k% m) wxmax3 l' D6 y# k' d: O/ W
ymax
. q: v$ x# X& c) m) [global-reputation-list
% `1 @) I+ M8 w/ M0 F% L( q \
: A) C: J$ |4 I) s;;每一个turtle的全局声誉都存在此LIST中) |- @. B- n2 e6 \
credibility-list
9 l* c* u# k9 m- z; M$ E;;每一个turtle的评价可信度
8 k* H, c: A0 U" ohonest-service' E: W8 L% p( @% y1 U
unhonest-service
2 @8 }0 I& S4 W! coscillation
. ~# R6 s7 ^% @) B3 Brand-dynamic2 f% x+ w* _& K$ }6 F3 M' ~. g8 m k& s
]9 i6 O; g& L: [" _$ J3 ]
2 q- ?, J* S8 h, K0 i9 v' R
turtles-own[% H1 J( W6 s8 t& ~/ X/ I/ b
trade-record-all
- A. x9 J& W8 Q$ l4 ~;;a list of lists,由trade-record-one组成
, i N3 G- N) e% Ktrade-record-one
7 z, u9 ?& Z1 [. i;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% m: v: O# }& ]
2 z" j; v& Y- |0 s5 q
;;[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]]2 B1 L, f+ \# U% T2 L
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]& }, S# O. z8 T& W
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
) L6 C! a e6 U. _" v `( `: tneighbor-total% _; B& e6 L" Z
;;记录该turtle的邻居节点的数目
+ f" O, g4 o1 g1 g+ B9 U) \trade-time
- z6 K" c+ C( _. Q, u# k# d' j;;当前发生交易的turtle的交易时间
$ z2 Y9 v: d" |: _% pappraise-give
7 }" t$ x# k9 e;;当前发生交易时给出的评价
( t( r5 Y! @. f9 W t5 ~appraise-receive
3 B2 G6 \# w% f) N;;当前发生交易时收到的评价
+ r& U- J _- p. A/ d6 @appraise-time
$ w$ g, D' L( Q8 L;;当前发生交易时的评价时间
; N+ K3 k" w: e+ V3 V4 o3 r) P. p/ {local-reputation-now;;此次交易后相对于对方turtle的局部声誉$ Y/ c: h4 h- h. Q$ R
trade-times-total
3 O9 T( B2 F1 c; a3 Z;;与当前turtle的交易总次数. T" j D- I, S$ R2 ~
trade-money-total& h6 E4 g1 N2 v1 D0 _& J+ y ?5 E' Z
;;与当前turtle的交易总金额) ~0 O9 |. b1 w5 r4 W, r3 v
local-reputation. \( k0 x2 g/ T& c8 C V6 e2 K
global-reputation, v k6 ?% v( a- m/ q" X
credibility
& N1 r* u% e8 ?; j;;评价可信度,每次交易后都需要更新
, D2 q4 a# u6 L: }! z. T7 ^credibility-all# G+ g ^; m0 g
;;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* o. p l4 d& a& M, A
% o$ x" k1 b$ _) `& X, `$ s$ 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" V5 |3 m3 Y2 p- T, i; p
credibility-one2 P0 ]& X% J/ u$ m% 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0 N6 V! y2 L9 @
global-proportion: Z+ t1 P9 E# }- j; O' U, K# [% h
customer+ z: f7 Q1 M1 \( g
customer-no
' p4 O+ W0 t' e; c! Otrust-ok
6 |# l. y' K; t, Gtrade-record-one-len;;trade-record-one的长度- S* m6 w4 G3 f, m1 C& V' D0 r# @
]! k4 Q! h- T9 h; k( t; ?
' d9 f1 |) `; X# a. n;;setup procedure
j) G2 O$ Q3 `5 p3 \. q; u8 l5 Z' B
to setup
3 H2 B5 g5 q% n: p) e; F" S% u, G' r
ca% O3 h0 k8 g3 r; l: w3 H
" O+ b, n( m# |" X7 Iinitialize-settings
& |& J1 R% r, ~( y6 b7 J+ S7 M0 ^* u5 H( @
crt people [setup-turtles]
6 p5 c" g5 R6 | l! A& c/ }% ]& _0 L% ^. X( F8 g1 C) t
reset-timer
) j* Q2 w( q6 S' U w, o% X4 `# `
poll-class* ^0 p& W8 \, Q" S
9 f1 S% n3 ^( D( d2 B* v
setup-plots) R7 F8 y) i0 K; Y9 i+ m
. X( A5 d- ^. S% U# Zdo-plots
8 a7 E; ]* w% T. [end
. _) A: [7 |6 B, }8 d6 r, t5 i1 X( U2 j5 f( E- F
to initialize-settings
$ A! ?0 j9 U) H3 R6 a8 ]% T2 t3 [2 H
set global-reputation-list []
' p2 o4 Y* z) \: V0 U2 I5 O) I' P- [, K4 _) N1 U
set credibility-list n-values people [0.5]
2 [: Q1 h8 s8 G6 i* |2 Z0 `/ j6 @* B9 S( y
set honest-service 0, _2 r7 n0 H# n! c
# H3 r- ?" y% v; j
set unhonest-service 0
8 m8 X, k7 G1 p
+ ~) [' Y4 F6 g+ Sset oscillation 0
- j7 | d' G5 k8 T7 G9 r7 ]; I5 A7 R0 f( t5 D: x3 `+ c
set rand-dynamic 0
! n) `: f' D1 H. h1 ^end+ z: ^' E% Z# A( `5 b
5 |' g! c( o( h3 y" W4 ~" t( _to setup-turtles
4 g, h- O6 z/ }6 x) |2 ?set shape "person"
) {/ i6 u+ k3 Y8 L+ L- Z1 lsetxy random-xcor random-ycor
! [ R# B) m/ _& P5 Wset trade-record-one []
: [# F+ e. ?# z4 I9 m$ H) _
* w; M- V$ O' `( t3 n' C& yset trade-record-all n-values people [(list (? + 1) 0 0)] , _% y- a: W& [* m8 G3 K4 \
$ \) j/ u! Y) T0 Z" F3 m7 C
set trade-record-current []
4 [* b, J! u7 I& M, ~2 p$ Jset credibility-receive []
) h! N6 ?- j3 ~. wset local-reputation 0.5
& o9 D" e! N7 M4 Q7 O' L% s/ j: tset neighbor-total 0
2 e3 T1 a2 t6 {: e* `7 e, [set trade-times-total 0
7 k4 \ Z% P: ~6 }set trade-money-total 0* X! `$ o; g3 f- H6 W6 Q/ L9 @+ S! k
set customer nobody
% g' j" k9 E# u1 @( Yset credibility-all n-values people [creat-credibility]& X7 e1 {2 |3 a2 y8 u) T' S
set credibility n-values people [-1]
$ X+ J( x# t, _7 `, q# ?+ s/ kget-color
7 H' v' o$ l+ I
8 W! q; T# \2 D& Xend
E, G+ {" \. a8 H# \5 `, s0 h
4 ~6 [4 x+ y K$ t; ]to-report creat-credibility
/ W: b4 M, u* d' u4 z Creport n-values people [0.5]( { c2 s- W8 K9 L. m, l7 r: ?
end
$ l7 _- T. d2 o/ O9 p
5 P* j1 B' C) k* pto setup-plots# N( Z" i3 ^9 M& b8 z% w& d( s6 q
/ ?" B; j# K' Q1 `; gset xmax 30
8 G1 U2 v% z" r' R! G v+ f2 z6 X4 u
set ymax 1.0
: M5 ^; W* o8 h3 b+ m8 _) P {% k3 I- G, _1 n D
clear-all-plots
' n% f& g# v2 I8 Y: K8 j# G
+ U; O& g$ w, }! f% vsetup-plot16 C7 T2 h0 w. P
$ w ~8 n" E$ a. g. f8 ]setup-plot28 w/ T' S; _* X+ c( ~7 k' K @1 }
% d# v- `3 Q- u5 R2 L0 ~! P( N) D
setup-plot35 [' u" K" `/ p2 ^ {
end6 t0 ?9 f& X5 D9 O% T
1 [9 p1 x v6 R8 j/ I& }$ U! T' b
;;run time procedures6 l. L" ?; d- n. Z* A# a7 @+ u6 G5 Z/ f
; \! _! n: ?5 T" \- n8 Zto go
& f. b" z& G! \' u. K
" j5 T6 c$ m Q3 X' L2 |5 sask turtles [do-business]8 M3 f, W4 u7 y2 X8 P; `
end
7 q" z4 r) N. l' a- i) {) |
" ]) V, K0 U& ?% B# v: rto do-business 2 \! j. O- \& X2 H6 v
9 }7 i1 c& g8 y) K
/ [ Y" m8 E" y7 B
rt random 360! n+ W! ^+ g3 ` i- |: T, b1 @
9 @) _' m7 r) pfd 1
, ~, G: O' S$ U) S# A8 Q
! a* u F, Z) F* i, m q5 ?! Aifelse(other turtles-here != nobody)[
8 I! Z1 S! f, U7 H7 z6 j7 F- B& U
, {/ s8 c& l8 q& Iset customer one-of other turtles-here
) F$ j& d1 }- i
' b* d: h" ]0 L- Q;; set [customer] of customer myself
( _8 i! D9 h3 N. V. r/ a# Q( y' G4 L- @5 Y7 E
set [trade-record-one] of self item (([who] of customer) - 1)/ G2 ]# o. v% x. N1 E
[trade-record-all]of self
2 A1 t1 Y( s) O- ]1 }' v;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self" J9 P, [5 e' ? A
3 X% Y7 N U5 ^# I) d( g
set [trade-record-one] of customer item (([who] of self) - 1)
" N1 J5 b- I$ ^2 c* b[trade-record-all]of customer6 m) ]; l" z. L- U+ [- K$ R9 z
N; r. t. m2 m) [
set [trade-record-one-len] of self length [trade-record-one] of self
3 ]1 v" c, z# T; O* v/ W: I" E. f/ [/ p% n, ^8 }0 n
set trade-record-current( list (timer) (random money-upper-limit))7 K0 M, Z% P- X
5 f$ V( A" i; N, g
ask self [do-trust]6 g/ ?) {& t, \! K: ^
;;先求i对j的信任度1 T$ h- c/ K. j- V8 ?
# q$ D: b! Y: t1 E8 a5 A
if ([trust-ok] of self)
1 a/ p' F( t+ s( k8 A4 U;;根据i对j的信任度来决定是否与j进行交易[
7 d0 L7 B. \! U% L! S/ [3 G4 Hask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ }2 S# t3 r* q# \9 T" {3 F* S( W$ Z
8 b4 F* t7 ^) c1 b( m/ a[) T6 {* D5 z S- b$ l( V4 H/ O+ M
7 C C8 g) J3 D2 K
do-trade; a/ s! l$ ]1 X$ y7 m5 r8 _) ~
( J1 C, |+ y+ j' H
update-credibility-ijl1 q. c! p) ^" l2 N) t5 a5 h6 A
- r& S) D) v) Pupdate-credibility-list* w+ q, Y7 ?5 Q2 \2 }0 N) [$ O7 O
% N# x# Y+ D/ t p
1 S! l; \2 |& Q9 k/ k# v9 M3 Z
update-global-reputation-list
% ]% n6 s6 r+ }; k5 b& p% }! d
. [$ ~& S5 P+ U- M- N* y4 epoll-class
: @& r# N4 l: {& z) T+ Y& @" X- ` C: ^) h
get-color4 ]6 C% n7 e6 z! s
: |" T3 @. k0 v, d+ U1 n
]]. }! S& C1 x+ |
+ n1 Z- w8 c6 x2 l6 c0 U" [+ e
;;如果所得的信任度满足条件,则进行交易; R/ N& {" _! ~# p1 W7 n
3 {9 T& j5 i/ i' w6 e( L: L
[& I7 D* }% m; D9 V5 X p- b1 D! F
+ A/ O1 F* @; [9 T) c6 e4 y" Y
rt random 360
6 I2 \+ ?$ E+ ]. D3 p
, C. u9 j/ A9 gfd 1
6 I) @6 [6 V7 l' |9 B, q2 w6 j4 n% j6 Y
]
+ \( c! M$ b) l2 A9 `4 Y8 G( r$ ]$ J" w: g: q! ]1 D9 Q: l
end
+ K5 n5 i/ Z* `! o) K k2 |" Q
1 @- ^4 ~" q5 Y# k) R$ A/ J. Nto do-trust
1 S9 E: x; ]1 I! Q9 _set trust-ok False6 H: U5 c# I/ Q- |% A$ Q. Y
" a- z: ^# X0 Q' d* C* ]/ d5 B: Z6 u4 S# |
let max-trade-times 0
& C+ s* D; U, q, C# Hforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! v# }/ U! o3 y+ W% a8 @4 glet max-trade-money 0. o1 e4 O4 D: G5 v/ n4 w9 c
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 u4 k/ }8 s# H. {7 z: mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 ]0 L; W! n, j2 @" A
8 I8 a7 g$ p6 V: G) M; e* s) @ b/ t7 S
get-global-proportion
) u8 d. X! _" u) @0 jlet trust-value/ i! {6 ?. b( c+ ^
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)1 u. w2 \ s, X0 J. A( d9 ]' ?
if(trust-value > trade-trust-value)7 X8 y& K' q4 ^( v- V% C
[set trust-ok true]
( s( K1 b' W5 L* _end
- j! A$ J; Z/ \0 p8 z4 R( I* ^3 Q% Z- f; M% s5 `% x; j K
to get-global-proportion
, u: D6 C! I3 B4 g+ A5 \ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' z% W- N I3 Y: a" _[set global-proportion 0]" ^8 G" K- C2 L! R1 S' D% W
[let i 04 d, `% j' G+ q/ `0 o
let sum-money 00 ?% }2 I4 Q/ M5 f" w
while[ i < people]0 B( z9 y" S; p& a+ O
[
& ~: V; t1 m; W1 [if( length (item i
6 k: U4 j3 b0 h/ v' T8 f1 {% A[trade-record-all] of customer) > 3 )
* P' j. Q( f" V: L, [[8 y, X" d: k- S$ r2 z+ k$ v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& K8 q0 }+ k: c" q1 O8 R" `* j]! H3 T6 G1 D& ~1 Q6 e B+ u
]
$ z( ~. M# D5 n( F) [. N; B" w+ ~# X! Hlet j 0
( O/ c _ k% ulet note 0
g3 y; d. I0 U& W; Lwhile[ j < people]) j+ t4 z# y* `, t
[4 c" B! s) a2 ~
if( length (item i
: e- P& q, n& L; P4 O9 t* w[trade-record-all] of customer) > 3 ), E' W; R/ w0 o- r0 J* ?
[
: ?" r3 b3 V8 d! y2 @, ~ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) `* }7 G G/ | s2 q3 W |: g) ~& {[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 s1 Z E1 E; V+ E8 g" [$ B# a! B/ T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
2 w# A0 f2 B# h$ U6 u]4 O" B# G3 f% ?9 P" i! _$ |
]
. k1 E+ W6 f2 ^: C. J# z/ Rset global-proportion note* Q$ y- {& b# `2 `& ^
]
& X/ Q; }% }: ^9 r0 a& pend: i- L& f% e; Q' i
$ s! l, Z% A% x( {2 Z. Bto do-trade# \4 a; L( M% w8 m t" X
;;这个过程实际上是给双方作出评价的过程4 C: ]& o9 } o" L0 n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# D* H7 n C* L t C0 j
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* f9 q$ |, ^6 m9 o, R5 E! wset trade-record-current lput(timer) trade-record-current
$ G3 U/ \ B6 d;;评价时间4 o6 W; _* {, {, f/ S5 U/ y
ask myself [' ?# J6 Z) L4 y% O" l8 Z. H
update-local-reputation
. r- R. b2 v5 x! g$ b$ }set trade-record-current lput([local-reputation] of myself) trade-record-current2 ?9 D) S3 o& {
]8 h2 O' n+ s# q$ y, n
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 n% n; Z' d- P: ~% Z+ i! X) T;;将此次交易的记录加入到trade-record-one中4 X) s0 X+ P( I$ m! b: t. V7 Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 ^$ _! _- V, X
let note (item 2 trade-record-current )
" c/ G$ x! g/ |/ `3 {3 o. k+ Fset trade-record-current
2 B/ F2 ~2 d# l6 Z(replace-item 2 trade-record-current (item 3 trade-record-current))2 d4 }, _7 v+ I/ {9 M
set trade-record-current
4 z( l3 J N7 S(replace-item 3 trade-record-current note)# a2 Z+ E! W9 Y5 c: D$ V- X
/ D) I: Z8 e# Y- l; z9 D5 u9 t
5 y# d, ?8 L0 y8 Z! C
ask customer [% b- X" d# X- ^1 R* h( ^# b Q
update-local-reputation
- R* e+ D: v4 A7 Yset trade-record-current1 e' W* Q5 N9 B' p6 [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) D% y- M4 U$ T( K]
7 I8 t2 b8 w0 P* p3 \2 F. R' E: F5 ~) |. P2 q8 B
$ q, @# ^5 u# s5 J' ^. U4 ]set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; d& ~* Y" u0 _) }3 D5 ^
4 j A% X8 R5 q5 v! }2 v5 p6 N2 H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( ^6 b; e3 X5 ]% N' k, };;将此次交易的记录加入到customer的trade-record-all中3 f- K% D6 E2 m
end
3 k! O$ d" d" X9 d) k# `# a2 j, _5 w% s/ c! B
to update-local-reputation
$ u' m+ V) B( e. ]1 X- _) Nset [trade-record-one-len] of myself length [trade-record-one] of myself
* g& G, m9 `+ M" b* B& q e9 {& P( m; Q6 \" X& q2 M& Y) V
' q6 ~: T* c" c9 ~& z0 p
;;if [trade-record-one-len] of myself > 3
. w7 X" `: B0 Y, O V" u; rupdate-neighbor-total- B( d( \+ N Q) E3 @6 ^0 c
;;更新邻居节点的数目,在此进行
+ k8 c$ D/ ~- S- a) _let i 3; p$ c3 {2 }" ]: _0 y0 N
let sum-time 0
2 I0 }+ `1 m& x! t3 h Bwhile[i < [trade-record-one-len] of myself]
3 g$ v5 D% p2 U4 M[! T9 b3 a: h# w/ @
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 Y. Y; k: E# A) d0 ]5 J
set i
9 d& U! h5 g/ V6 F3 S2 r( i + 1)* O. x/ ~& C) s- x
]4 |8 W2 S. }! v0 |" f8 V8 B3 y
let j 3
- F4 Z" \, a) R# H4 I0 K5 I0 zlet sum-money 0$ P0 j. Q8 }$ \5 Z
while[j < [trade-record-one-len] of myself]4 l* d" q: h0 c5 f
[2 _. e" T1 p/ W; \: V7 x' W
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)+ _4 H- o6 |6 k) I3 J2 U0 b
set j f2 w; J+ q$ R$ C8 V3 c. e5 Y0 U
( j + 1)
5 |/ O- |# }# X* e]2 |" I. |! K& X* x" t$ n; I4 L* N
let k 3% R) @8 a% b) i- Z
let power 0: d( K6 H0 @) E5 a
let local 0
$ N" h/ M2 o+ X0 cwhile [k <[trade-record-one-len] of myself]/ o( O* |- o- u K. A1 j2 E
[9 W7 \, M2 ~' Q/ ?5 w- ^3 Q
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)
) s3 r1 o$ c; [& L) Q7 Sset k (k + 1)
7 C8 b7 I- W3 ?' A" k]3 r' T2 ^, V) }0 N2 r, K
set [local-reputation] of myself (local)
8 a2 I- d" P w/ Xend3 y2 h, S3 x' ]* w% n G
b) D" P- H! J3 qto update-neighbor-total
& i' e% E1 T3 {; p& I9 d
0 p1 b$ |! M* Q2 y5 ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 D2 ~/ E! r8 G$ u8 ^4 \9 V4 F; y7 a* ?! m: q
- g) W, ?4 [9 K* F6 u3 H! [end: b N z1 |. g- a7 C- N
. V1 D. O/ s7 B( h4 S# Qto update-credibility-ijl ; O2 \7 M2 H6 V/ v
V6 o) @+ x/ x0 M! Q+ i;;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。; t5 |2 C- c# b' [6 c. R( `
let l 0
0 t" p& {% H$ B! Q) |while[ l < people ]
) p2 ?. p: o! X8 F9 V;;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& C0 \6 d, w" o+ k) `0 F# `
[
# ^5 U6 E- ~2 E/ tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 X! E- D: p3 p, M
if (trade-record-one-j-l-len > 3)2 ]4 \# R! s" `9 l
[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% O8 Y) ?8 D( I9 f5 }
let i 3
7 \8 V7 J- Q4 {( C) X9 j# ulet sum-time 0+ R( I) m; J; f+ S8 E) H- @1 `
while[i < trade-record-one-len]
6 j& i+ h- b) l# h[- b* s/ ?* Z- B/ v# A3 d- @
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, {1 {; ~6 \( t/ Aset i }2 P' u2 y& w; |/ `
( i + 1)' P& G( r. m% A& c; w4 H8 I
], M1 U% N- k& e3 g2 P
let credibility-i-j-l 0
5 Y" }7 D& d& B;;i评价(j对jl的评价)
" c/ \$ X( x) ?) i& i9 qlet j 3, R" J6 N7 ~$ c! k7 _4 b/ r
let k 4+ _* Y1 S2 j3 W* U G* f# _
while[j < trade-record-one-len]" i# W) n F/ [& U6 Z' i: v
[
: O5 u( C' V. _: ]7 {3 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3 p: A: Y( w2 R) s; d* Y' Q Q" _
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)
1 k6 P( Z+ u5 m h6 N( M4 B$ m z) ~set j
: e; E% c6 K2 p$ L! r% C) _/ y( j + 1)
9 X y) A/ X) E, ]0 g) z8 g]
4 s; _* x% M: ?- rset [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 ))7 z6 d" o' l. o% C: R" E
3 N0 q- E8 t8 ~ ~' d& R' n7 A" A0 _ o
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 K$ i& V3 o" t C* C) J. b( m;;及时更新i对l的评价质量的评价* U5 A% I* S3 u6 T9 ]% y7 F f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% t& c- w) b' ]) f
set l (l + 1)
1 q j3 Z' L3 R% G/ n& v! r# n]
( r" _1 {! w- Bend
$ u& w) w, Z' D7 f- ]' |: D, {2 M ?0 ^
to update-credibility-list# c% w! p; L- ]8 O, x
let i 0
+ x: s1 f: ]1 y" h# g wwhile[i < people]
. F0 u" d- j9 r* y A/ @0 i[1 @2 _9 s* G3 ~1 F' e2 u
let j 0
7 { V' N# I1 c6 t/ Y" e6 s5 y! ^let note 0
4 ~( D0 g( A6 Rlet k 0" `, v" l( `) }7 E7 V2 v0 ^
;;计作出过评价的邻居节点的数目' S1 b/ H/ m2 S8 z% D# r# |
while[j < people]# M& `0 ]2 A2 r' r6 k$ S0 ^( Y
[
6 O! C1 y! r; m" \% @; K$ Hif (item j( [credibility] of turtle (i + 1)) != -1)3 z3 v. r) a$ }# z( X e- G# F5 Z
;;判断是否给本turtle的评价质量做出过评价的节点3 L8 L' @ W. M
[set note (note + item j ([credibility]of turtle (i + 1)))
9 ^2 l7 t f+ |3 E$ \;;*(exp (-(people - 2)))/(people - 2))], A; c" E& ]/ n1 l) n" v
set k (k + 1)
0 s3 G" D! _5 j! M1 _]
! E% G- a# n& Hset j (j + 1)
4 I# _, ^: F/ u- K/ z: r$ T]5 c& j4 B" N' c/ ?
set note (note *(exp (- (1 / k)))/ k). n% D+ q8 f8 T3 o, e, C; A0 }/ B
set credibility-list (replace-item i credibility-list note). _; @1 `; V$ T* z# W1 S( F5 [
set i (i + 1)0 x! B/ A }" Z. o7 R1 x- a0 w
]
; { n* Z0 J6 @1 Yend
9 s9 w q' ^, v+ D% ` q
& q3 \' B! w1 `" }5 A4 D. F" R7 Tto update-global-reputation-list8 y8 m; G; J3 T3 B& ?0 L
let j 0
& `( `0 u4 ]: y- Iwhile[j < people]( }- j P8 c6 i( s' s! q
[: K# i p7 L6 f* [. {) v
let new 0$ m( h! M/ ~9 w8 k _
;;暂存新的一个全局声誉$ T7 O( |5 x7 X& {2 e0 A }" N# L
let i 0
* @9 q/ u6 q5 A o! |6 ^8 Tlet sum-money 0
9 y% h$ O/ Y; K; L3 klet credibility-money 0" B- Z, {! o1 O7 P
while [i < people]
6 }5 L! h" G) u: o; ^* Z[$ Z1 r3 G* @% G! Y( C4 Z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 o' z* Q- R1 ?7 r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" Q. w a8 Z3 g2 }4 J+ |* vset i (i + 1)- s9 q, f( H$ E6 C0 V" K9 J
]
4 `! `' t2 t% f0 g5 U7 _; Nlet k 0! \3 s0 E4 |' H1 i3 _5 y; Q/ S; \
let new1 0% c- c: N3 T3 j! k0 `0 O. f
while [k < people]1 e& m5 K$ E# n% A3 E
[. T- c W0 j! |
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); L' n1 i9 `3 w0 v7 w/ L$ X5 z
set k (k + 1)
& `( i; E0 f! h]
# s9 o9 _, ]7 C* D; D5 hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; f. x6 W- n {3 oset global-reputation-list (replace-item j global-reputation-list new)- }9 K( b3 Q% Z9 M+ o6 k) n
set j (j + 1)( u3 z# T0 ` {( R- Y
]. G% K/ J6 S8 Z5 H6 g
end' _. i7 Z* s# v5 K, { T
& k! t+ y" r4 b5 @+ R+ {4 k
! w% k8 }& n) ]+ y8 B: \8 \% h* h4 O# n
to get-color
$ v4 k) ^* D; |) `! w2 N: o$ G/ G9 q$ T+ L
set color blue/ M# O9 d' e; q2 Q$ P
end
0 F. m' {" ~4 M, {7 Q6 e7 x" |* A/ p* E& D
to poll-class7 c. F3 ]* t- T# g7 Y. Y" K
end7 F4 ~# O. q7 d9 B8 Q0 f: c$ K6 d3 u
+ t3 i( I6 ` ]" b5 ?% x3 U% l3 W
to setup-plot17 v$ d6 z( q. ]# s9 |
5 h" d' [: o4 r7 I; E8 S
set-current-plot "Trends-of-Local-reputation"
& v, g5 c: v. E1 x' I3 Y% K e5 O5 {: [4 H0 e0 k2 h" B
set-plot-x-range 0 xmax
+ n/ ^, F. A( y. X+ L( |6 }% a/ `1 H( r7 c0 M7 m+ N
set-plot-y-range 0.0 ymax6 L) X% H* a& M$ E) F+ }
end
- I! c' X3 M6 Z. L4 d3 `* H' Q2 g; s: j& |, s3 H+ S) b6 i
to setup-plot2 I2 u2 ]6 z# b9 X8 N" E
8 G- J& t4 V/ k* }! qset-current-plot "Trends-of-global-reputation"$ Y4 t8 C$ d: B3 ]8 i
% H0 x. N: `9 J sset-plot-x-range 0 xmax
% F# g4 W( ?* t k1 V1 `+ P% L! s8 [+ Q k v, I# V9 M* x
set-plot-y-range 0.0 ymax
) ^. L2 {8 b" o! fend3 `3 d6 P! K7 f7 N4 q, \! o4 H. I
/ p r, y% y0 f. t% q
to setup-plot3) i5 [- g" U0 }/ q- E, {
" ]6 N M6 J. j. n7 R( v, I: H
set-current-plot "Trends-of-credibility"
+ {* g* Q5 I& U' j ]
; w( W: l1 a; K" S( Mset-plot-x-range 0 xmax, L" ]: u+ i9 M0 Z- f
2 E: o" ?) s% K6 M( }
set-plot-y-range 0.0 ymax
- F7 N& W0 E- k* @% |end% ^+ i# l M, d2 `
, l2 A& e$ a! h8 X
to do-plots f) @8 j1 }* t {) r& s3 v8 w0 e
set-current-plot "Trends-of-Local-reputation"
3 b- A1 \5 ^( Pset-current-plot-pen "Honest service"% ]; l6 [# S( E7 r2 ~' k
end
: U) @4 s9 A1 H7 V, Q' f" ?( _4 X8 q& T
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|