|
|

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: b r! o/ o" _5 ?/ J; r
globals[; L3 Y; i' d$ Q/ f1 I8 b; h0 K& t
xmax3 @" F8 z6 y' L" v& c7 b! C: z2 O
ymax
' \5 K- Z6 I+ Nglobal-reputation-list
6 M$ S5 ~& \0 ^+ R8 g, o3 M
; |& X8 g4 ~& q- d;;每一个turtle的全局声誉都存在此LIST中
# O' i$ l$ T* O$ u+ M/ H) Xcredibility-list
& R: k4 _+ l& t( V' j6 ~;;每一个turtle的评价可信度
# C5 P. s3 L7 A$ Z6 Lhonest-service
- L# Q! t P9 A+ u1 [ q) dunhonest-service+ r" w8 F. l+ U
oscillation" d) k( u% U8 |- b3 ^! V7 F" o
rand-dynamic
9 P5 Z0 {% Y0 _* |) U]9 o3 P6 K0 H; Z- d% N8 H# N3 b
+ L- R, R: G) K$ C8 I
turtles-own[' I& \7 N+ H$ Z& K6 F! d# o: @
trade-record-all" H; C/ d( b4 S
;;a list of lists,由trade-record-one组成2 \' a" |: ?4 H% g
trade-record-one$ U/ B, i3 G' f- h ~( h) p* m
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- @4 K' x% V% L$ U
. Z+ a/ {0 S; b; B, a2 P! O" X2 z;;[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 S3 o% T% ]" }' 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]
5 O# a4 v! v J7 D. w" dcredibility-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
/ D; Q( @7 ^. d5 s. Ineighbor-total
# p- L g! Q' P2 k/ G7 J# y;;记录该turtle的邻居节点的数目4 p, f" O6 D* j7 p7 Y
trade-time
8 A6 m0 H+ `4 f4 b7 N' j;;当前发生交易的turtle的交易时间
/ L' f. B. C& c: {& yappraise-give
% v- H. L: C5 M5 `( }3 t- f: A1 g1 P;;当前发生交易时给出的评价* a3 B8 P# o! |+ z
appraise-receive
* z/ C( @3 h. P: W;;当前发生交易时收到的评价/ U" u" G" }0 J% F! X0 z4 J3 x
appraise-time
. e- x" `) m& W; Z# M6 _& s;;当前发生交易时的评价时间
q6 m& I0 \* W6 G Klocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ B0 k2 r# F0 vtrade-times-total+ `5 r& G$ K# u; n
;;与当前turtle的交易总次数 b8 F- j( D* S: Q4 I# G( H
trade-money-total
1 |/ D4 T& J- s) Q/ C9 j* \;;与当前turtle的交易总金额
I$ c- }! }8 { F5 z! r) W! |local-reputation
# \4 y( C2 y% n/ q* ^/ Iglobal-reputation# J% n* X1 D z% g
credibility. d6 x0 S8 Y) a/ ?8 ~
;;评价可信度,每次交易后都需要更新
, i, p: n' v8 Kcredibility-all
5 y4 A: @6 E* r( z;;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3 g5 n: c, t0 N. P5 F
" w O- t2 A5 t8 p- ~4 u8 l
;;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
# W; Z S# D3 U- t# O ycredibility-one
; [7 a7 y8 ~: k& Z8 q. c;;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 W; v1 c) n# i! p J1 x: S0 E
global-proportion
) f3 r( e+ o9 p/ E( V! }" s) @customer
0 E" P* s5 P$ r% L9 Z- Z9 [8 w2 `; scustomer-no( t' Q! B4 G9 _- j/ X
trust-ok
! [) U& }) C/ |trade-record-one-len;;trade-record-one的长度
( }- ?9 o0 A9 }- I7 ?]1 g& N9 g- U3 m4 X- C/ F
* K. C& u" m5 A! K4 x( w0 H% x0 R
;;setup procedure8 T; p' E! m# U0 U
, c. E4 u o( K& K4 c: Tto setup
; N- Y, i9 s' r# Q1 l0 t) B3 Q4 T8 ?( i3 A* u
ca
Y8 D) R' H2 |$ k$ A: `- ^' N
& |9 {/ k% |9 F: P- ^+ J! y, ]initialize-settings
' C9 \# k, ^+ E9 i/ E* K+ T
U/ W2 `" {' i2 bcrt people [setup-turtles]" U* ]: L$ w o9 ~3 }
' l7 S* H- c L2 H7 O+ zreset-timer
' q. N, o- A7 l9 y
: o `+ M$ `& `/ ~% Ypoll-class) E5 i- p( A1 B' @
5 z, ^8 r( x, @; H' ~0 f
setup-plots
3 t+ P6 a k; y. F; C+ l. {; N c2 T2 C- h$ m
do-plots
" x9 w. `2 }( b% n" I0 ]end
( o; {: { [1 y$ t, f R( `* ~. v) s* e! ^6 J. t, T A
to initialize-settings7 P" b& k/ j, I' i9 ]3 ?
0 l3 U+ p% j, Z, n" p9 l M9 ~: {' Hset global-reputation-list []
. Y8 u; ]; X; q4 I) i# R; L7 O' J
set credibility-list n-values people [0.5]
0 k7 S0 i7 }" X7 n5 D8 f& x" Z
- A( i+ c i% r: u& A; J! ?set honest-service 0
+ ^; @" i( _2 X# _# E' j
: E n. D4 a% Uset unhonest-service 0
- g9 k* W% J6 @, t* }% {. J0 z
/ V% W; C l: T/ ~5 Jset oscillation 00 O. I5 r# u9 t% J5 i! s
; r" D. V1 |$ x; W
set rand-dynamic 09 h- \/ |1 j% Y3 e
end
* y2 \9 o5 B4 ?8 s" r7 ^5 p3 t$ c4 v, u& T$ j- n- ]+ v5 d
to setup-turtles
3 K1 @0 \+ J7 h( x% Wset shape "person"
7 R% |1 |5 u% c: e5 vsetxy random-xcor random-ycor6 ~5 t* p$ C- H6 q, t$ y8 e4 Q3 s
set trade-record-one []5 g: e2 q* S: c
. Y6 M3 I, g( I! r! @# b% Pset trade-record-all n-values people [(list (? + 1) 0 0)]
( C% q8 J. K) M. ]' e) L4 F L6 S! J* _( z2 o3 H
set trade-record-current []
2 a- {# H$ i$ @/ Q; f& qset credibility-receive []
( B$ d& Q( a" |2 xset local-reputation 0.5
( Y; l6 a$ A% eset neighbor-total 0
, \' G+ o. q: ^# l- t8 ]set trade-times-total 07 N1 P5 x8 Y1 H$ z. L3 l$ U1 b% V* s
set trade-money-total 07 `* w" e* N. ~" T, f4 q
set customer nobody# S+ A' z, p; N; p, o3 M
set credibility-all n-values people [creat-credibility]
! m" J4 ?; Z) P9 t3 [set credibility n-values people [-1]5 X" } ~3 z( d; R/ q! F4 W! q
get-color
% a+ w/ t. O6 `2 v6 P' | Z% d% M& N
end: y* j4 M* W8 k' T
i. s% a7 K1 q1 u, c, }: e+ Y
to-report creat-credibility
# r3 q" Q! O* |' mreport n-values people [0.5]0 W6 h, Q# ?6 g) X2 |/ \
end
9 t7 X6 Y- n- Z" [
8 V) d6 |9 M# sto setup-plots
4 K9 a$ ` M2 \3 Z# `- `% P! b" m% Z' y7 W: C) M: D r
set xmax 30
, A$ H+ }( ^0 Q" I4 ^7 a" {" \5 ]
! h' c! r6 f5 N" w, `6 M, x1 Aset ymax 1.0+ N1 |& ]: S4 |
+ b9 R' G) a$ a& y+ D
clear-all-plots, {! e( E2 f7 C3 K
5 C/ T* h% W+ ]0 Y# a8 x
setup-plot1& y; U2 y) u% }0 W5 u0 I
1 I% M5 t: _9 Z% [! b! V0 i$ A
setup-plot27 r K1 z8 }- D! f* H
2 h; |7 E% J, F# i3 G5 I
setup-plot3; ?! S) R3 B3 ~1 P% I
end" E7 j' P( s1 S5 @, F3 i
" B3 ?* u- M+ J5 @. s
;;run time procedures/ u1 d! [( D% D9 [
% A" l% f S+ t# \5 ]" s3 g* z5 x
to go) b0 b$ e1 x7 ~6 C9 T6 \2 ?/ a/ j& J
) t2 F) o; B; @; V6 n( D7 @, ~ask turtles [do-business]- h* U$ \6 x) W; m% |8 Y5 N: }5 R. e
end
( {( R! z, M! o/ T# g2 D6 w p6 j; m' {, Z7 I+ G- Z% F
to do-business 3 r4 {( ^4 T! z( n, h5 V! n1 t! B
5 ?8 G' [! q* c$ Z# _$ R4 ~+ `
% k* n# k6 \8 _9 m5 N3 S+ Ort random 3607 U% D3 Z, @! t( E; F1 \
! t* s5 q: ~7 T* P/ B" U4 q$ V
fd 1
- Z9 T, F4 u3 }7 g( M# O
2 V% ?+ I z. q0 N0 v/ {ifelse(other turtles-here != nobody)[
" c7 ^$ ~8 @* I1 X6 A
G) w5 A- o: h* oset customer one-of other turtles-here
8 a) ~3 k) B& D4 O, V+ ?7 t) ]' N: h; y% |
;; set [customer] of customer myself8 Z& l' }' ~2 R5 ~
, j. x; x/ Z2 T& v6 d; Kset [trade-record-one] of self item (([who] of customer) - 1)
2 B- W P# `* T# _' o4 f" U) ][trade-record-all]of self. x) \6 O8 ]" D2 C& w6 y$ ]: K
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self" [% [( c m8 H. V. c! V0 S; K
4 o1 @1 k- N' ^6 }) \
set [trade-record-one] of customer item (([who] of self) - 1)
1 w7 A' R9 z% d/ }# _[trade-record-all]of customer- V$ q. g) ]0 ~. o; ~
" c0 ?( ^7 i0 h% p" l/ D8 kset [trade-record-one-len] of self length [trade-record-one] of self
8 J8 s- v) c$ c7 f6 {' x; S
* [# n2 ?& _( o8 u) i" L+ zset trade-record-current( list (timer) (random money-upper-limit))
) Q5 q0 ~4 o, X f
* Z: ]1 o& g( @. @% u/ q8 P& r7 hask self [do-trust]
: Z( X# _6 ?9 l( P( r;;先求i对j的信任度
6 I2 o3 ]: Y. U! `4 U7 Q# E$ c0 b$ g' w- K0 ~
if ([trust-ok] of self)
( ~. g9 Y5 Y: H) U7 Z7 q;;根据i对j的信任度来决定是否与j进行交易[
# w, ?$ K2 J5 y8 H. l' z' Cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 l4 [% b+ l) A( j8 }
! A8 L V9 x3 L: h4 Y* J
[
0 t5 G8 [# t+ m
; r0 w' n" e2 I4 F& E" ado-trade/ \/ s3 t" f/ e! o
3 Y( p* y3 n |$ C0 b( q t- T$ c) vupdate-credibility-ijl
4 r+ G( M: I' s4 e$ B+ }7 l0 X, ]! q) V
: S: A: ]6 x& P+ E; P- M4 {update-credibility-list5 }# @. E* a- Z, X7 Q) r4 ^
6 a) O, c+ I K+ \4 B8 B+ l
) l2 \, T+ l; }) h6 \
update-global-reputation-list
; Q: n2 z$ C/ W* i, i8 I! @3 L2 d( _- o! w/ G( f p d
poll-class
# v9 K+ I$ {. @; [) H" D2 o1 `% F9 r1 u' P) r$ s# ~
get-color
$ Z3 p" G' Y8 `) A
" N% u" P1 ]" }. a3 b]]
: X8 C9 T+ y3 J, N
- f }! N( C( t- A;;如果所得的信任度满足条件,则进行交易
- R& C* G/ X2 T- |. b, q6 x9 a+ Y" U8 @$ }: u9 _
[! N3 q' E: w f0 c8 ]
1 |5 k: I5 B; j0 E9 p: art random 3607 x& {5 W# s/ V0 x! z2 F- p
* S( y- ]# k1 M' o* k; pfd 1
E; |' y- L; a' g! V4 z' j# ^
, J. z& \5 c* F: r' ?9 a]
9 x. J9 u' L8 H4 P+ D
! ?$ R* M0 T" v7 vend% R1 a/ j& I3 g0 ^2 r7 p/ y
! }8 i5 [0 c1 U+ ~$ [, r: H6 Eto do-trust
0 ] Y( Q. |' [0 F. a8 Wset trust-ok False; D2 e) E" d# _6 o @' H4 G
) x' c: e6 E* U$ k, d) Y
: N7 i. ?1 o2 x, C( alet max-trade-times 0+ ^/ Q. d8 \# a9 f
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ L' G# u r0 P7 O+ U$ X$ F$ |- {" D: nlet max-trade-money 0
- E' S0 w9 n' C6 b: Zforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" L9 w9 T0 I2 {1 S6 L$ [" c4 `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 `) M ^/ D
' H% G( |: @ @7 n3 J% r- R* h
$ o. U! A# c3 O: Z: l) [- S: l8 u
get-global-proportion
/ X- U7 X7 }4 i- {" N2 L7 Jlet trust-value
% z( n/ h) K* `+ X, ulocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ }9 q) m* T( iif(trust-value > trade-trust-value)
, L- L( {) ^* Y3 v[set trust-ok true]. p/ s: v& e3 j: F7 V3 u S
end
4 g+ L8 C: H% B# a0 H* ]/ E5 \9 S' I' l7 P
to get-global-proportion
0 n' [4 Q2 [: F; M- fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)4 C0 L, f& a, g/ w' ^6 f! l5 W
[set global-proportion 0]2 U& d2 |6 M* l5 ~/ C, P' H z
[let i 0+ F% J& `7 D" x6 k- w# k9 x
let sum-money 00 t& x+ S5 O! P2 ?2 {7 d2 K
while[ i < people] N1 D: W- R6 A% b
[! \2 p; f& S' j& {9 d
if( length (item i
5 }% E2 w- ~" Y+ X' Y[trade-record-all] of customer) > 3 )
% m( h3 t! K) s1 W" r1 t9 T$ x+ }[
) ?8 z6 Z" O: l, y+ jset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 o: W- T5 y4 F1 R& J2 e# v6 L! t]: t% ^% h) z" q1 J- ~4 R$ x
]
Q+ n; h* b. M2 n% O+ llet j 0
7 F. ^+ K" M! `& zlet note 0
4 u, U9 L- X/ \$ uwhile[ j < people]
* }( t+ i1 Z. R z+ Y1 V& n; y[
( D [+ I P/ M( G( c1 ^if( length (item i: X4 ]8 I n+ ?$ A0 g
[trade-record-all] of customer) > 3 )7 J: f8 _" M3 s2 k
[
% T( O8 L6 K( i$ ]( hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 o& q+ w) d( F5 ^2 K[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 X8 j$ H8 h/ t1 }0 ]( {% H( j; p[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 M+ U4 D7 D. c4 P]
( T7 Y; F- Z' n]; j1 w- v" Q1 V1 W
set global-proportion note; r2 \ c. `7 q- f" K I
]
}( i6 O1 s6 Q5 zend
- B" {- S5 m: ^- [5 f
' o5 o4 C5 }8 r% q" Rto do-trade/ V( X+ |7 i( p9 d& N1 {
;;这个过程实际上是给双方作出评价的过程; ]- b# k' t3 `
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 F! w8 Q) a& V, Z6 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# E- ]# P2 v0 `5 {) p
set trade-record-current lput(timer) trade-record-current) ?* e3 F" l( ` ]- z" s
;;评价时间
( e- }% _4 G+ i0 _' dask myself [, e6 b7 O' ^- G. j! q
update-local-reputation% B+ a% g6 I" | A
set trade-record-current lput([local-reputation] of myself) trade-record-current- u0 P6 ^& J4 T! F
]
% H7 m( U" e2 U0 G1 v2 A/ f5 fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 Y# z; ]# u5 e& t) k7 E3 ^' t
;;将此次交易的记录加入到trade-record-one中2 Q6 l# ~, X1 V+ ~: S+ F, }
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: l+ u+ E0 W8 P% ?let note (item 2 trade-record-current )1 p6 F& A- @+ O! W. B. f. P4 |1 g# R
set trade-record-current
% ]: x- I- b6 e2 t8 o(replace-item 2 trade-record-current (item 3 trade-record-current))
* a6 D1 B5 c; ?/ F$ J8 i1 Z) R/ M3 lset trade-record-current6 X! a9 j+ t5 H3 E- f: C; u, [
(replace-item 3 trade-record-current note)
' K1 D/ B1 l \" _* N" K4 b
3 N7 M& m O# ]. A% _2 K" P/ H
( L1 z% E+ S' b# S6 R: [4 [) Z6 Fask customer [
& J1 `7 R2 [" b' rupdate-local-reputation
) n# @ h$ F: u2 Bset trade-record-current
( r( p7 ~1 @3 P K& ?( s(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
@* o& r" I$ a, T# r9 Y8 o]
9 w& P0 C3 Z# \; G- H9 L7 j
8 ]$ v, z6 s! _% }9 u, L8 {9 e* G; q
2 j4 w3 V) }( o( eset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: d! f# w" E6 N$ Q$ x
5 C/ H- U: Y3 C, Z9 l3 |' {set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 t2 C6 O* t6 S& _;;将此次交易的记录加入到customer的trade-record-all中
- M3 S6 B3 Z7 [8 y0 H- k7 Mend8 ]1 }5 J- M* m6 F* A- K7 |
6 P" R$ j( f" |, X9 }) q7 Kto update-local-reputation3 w3 `2 m A8 g, d! B* X- }8 ~
set [trade-record-one-len] of myself length [trade-record-one] of myself
4 P! V" T8 \7 w% A! q; q' [5 p0 ]! }5 V5 o7 q |
5 y' V. b1 Y% H
;;if [trade-record-one-len] of myself > 3
9 \4 Z4 P- l( W/ t/ q# y/ {update-neighbor-total" E: x% s* E5 M. B0 m( U1 F; V
;;更新邻居节点的数目,在此进行8 J! F! p- B! V! r1 c6 k
let i 3( o' X/ v7 |8 C' h) Y! E1 q9 Q
let sum-time 0, O3 c% w: S( k5 _
while[i < [trade-record-one-len] of myself]+ l, S& o1 I+ |1 r5 K
[
7 S8 s' M8 l2 [. r) F" {* c5 Uset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# L6 A A) I ^0 Kset i2 H s) U I9 ?- s4 X
( i + 1)! s; _0 V. n: q- O
]
$ i. c: m- ~2 n1 q+ q+ `let j 3
3 s$ u3 Z: E% B# e2 alet sum-money 0
}" t2 a8 _$ y% X: O* F( h; Ywhile[j < [trade-record-one-len] of myself], T7 U j) K7 y: ?
[
: G/ a, P; }7 }: X3 E% sset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 D% I9 Q; ^" E+ x. o1 K
set j% h% H8 ]* W$ E* Q. x! P, H8 A$ x$ k
( j + 1)
2 l7 N! A5 c/ T0 F6 m3 ?]" ^6 t2 P# D: [& s( y
let k 3- m3 t ]: l4 ?* n
let power 08 S8 W! c* Y7 N* I
let local 0
/ b2 |: _! b5 M8 i3 O4 t$ |. kwhile [k <[trade-record-one-len] of myself]
6 y( |4 s% j% h5 M0 G. A[/ v% m3 G- g6 b! v% M: T3 O) o$ o
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)
$ `% s) |: F S6 `set k (k + 1)5 F# p1 d5 a+ q! h4 j% m
]) }5 L( @. X0 _" x
set [local-reputation] of myself (local)
! q [) K0 ^- |) \+ mend2 m2 f) E+ k2 B' H
0 H# |7 [' X' I/ g0 _
to update-neighbor-total. t8 g; M' s2 f) H h
5 O- U6 ]' e) O# o& Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* U6 W0 m& \& X0 ?. u2 j+ j; m: `9 f, I5 k1 s" D! H
# Z# V8 `$ A# b3 x K ~$ d: tend
! f4 b1 @1 @0 Q. \* h8 F7 b; q2 B- \
to update-credibility-ijl
0 `3 ?; E( A, V3 \. P: ]- G. }$ `* T3 y2 y% U: V6 }! \5 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 ^ N6 D6 s9 Q" Klet l 0+ r5 g! {/ e) A( T! U! ^$ e* G. E
while[ l < people ]
# \6 U2 z! o* G( |% | I, Z* F7 G6 f% Z;;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
T7 d; A; o: z8 m- ?[
1 t8 v! Q4 S* o7 _let trade-record-one-j-l-len length item l ([trade-record-all] of customer). g( r; O" E, O# Q) |0 H/ V
if (trade-record-one-j-l-len > 3)
+ P! `% @( N: U[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/ ^! \8 B% Y* p8 [
let i 3
# f% D# Y- y5 z i3 Glet sum-time 0/ H2 q9 `- H% n9 p, W, e
while[i < trade-record-one-len]3 G* v; t( e8 o% s+ z( v- t) s7 u
[
! W) B( W' R: a1 Kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )6 d* l, l) w4 t- e
set i
) g4 X; }( B% }9 O' ~& G, n2 Q( i + 1)
7 t" h% |* T1 X8 r1 q]! k4 s0 |2 f; w6 ?# X/ Q
let credibility-i-j-l 0
* m! [2 x0 `# u& ~8 [2 @;;i评价(j对jl的评价)
1 A, J* I# o" w( L% tlet j 3
# a: i P& A1 ?1 xlet k 45 J# e; U$ j, r: K5 l0 o
while[j < trade-record-one-len]
* Z+ A* u9 |$ X' f! L' N6 c[
! d. {/ S/ B& [2 n0 W. kwhile [((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/ u1 o2 ^0 |( Z. x
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)
\8 Y8 G" W% ~* E( E3 Hset j
$ h9 n4 M" }& {9 O N1 L/ N( j + 1): b1 [4 K! U: }: M6 w7 q( q/ U' H
]
; R' W" X" `, R6 Yset [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 ))8 D7 ^9 n7 w7 x- o7 L) _
9 I O+ a& J+ `) k# d6 `8 Z/ D2 z" {
! x5 _" W; o, Z- x. _/ Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 z" l7 T/ O$ W7 N+ B, u
;;及时更新i对l的评价质量的评价) b/ ~& R6 [! W7 T) S5 Y" _
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 R# n8 B" j" i+ \( hset l (l + 1)
4 @- R& B- x/ ]( w]9 R/ s3 H' p4 N6 C9 n( P
end
$ K) B1 j% o4 A% X% I5 {8 g( I8 y9 F# E4 |& C" u
to update-credibility-list
- p( G+ B% e5 l! a* J: x2 a+ K/ \let i 0
! B8 e# h. {5 m, u- P( kwhile[i < people]
- h( l6 i" a* I/ ]. @' u[) `; J, q: i7 a; p
let j 0
+ v8 s+ _+ ~( Y- U( |" s; clet note 0
) H5 x/ V t* M$ V8 Olet k 0
% i) T' [; H5 C5 C+ g;;计作出过评价的邻居节点的数目
s" v& y/ Z+ Kwhile[j < people]
- r; L9 B6 V+ v V$ g% ]+ _[
$ m$ y' A6 K% Q0 u( Q3 Yif (item j( [credibility] of turtle (i + 1)) != -1)0 c# \8 T6 i! e: e
;;判断是否给本turtle的评价质量做出过评价的节点; Y9 X7 {. j. h
[set note (note + item j ([credibility]of turtle (i + 1)))
5 ?1 U. `" q; K7 j;;*(exp (-(people - 2)))/(people - 2))]
% n* ^7 i6 I. Z H! I3 bset k (k + 1)
* j: ~, T" U1 z]
$ R, H7 C1 z9 B+ v _: aset j (j + 1)
% S$ K2 f( M* Z* g4 ~) d$ v% Q3 s G" X]! b% b/ F9 k# I
set note (note *(exp (- (1 / k)))/ k)0 w' F# g2 B3 C7 {
set credibility-list (replace-item i credibility-list note)
% A3 V3 o0 @5 Zset i (i + 1)
+ c& r' R+ ~3 w6 I$ g) ^; V]
1 T. R7 K! ]( _: M) ?end
; ~7 i# Q# r: Q; O& f/ B& g2 A B9 B6 G+ L% o% d
to update-global-reputation-list# A! @1 W4 N. `- {, ~! w% A
let j 0
- W+ s- N8 M* H/ S$ H! Mwhile[j < people]7 i# M! H# v2 m9 w& L9 T
[
. z* B1 F) \) N3 d: w7 l. `0 olet new 0
( P& V8 r; v( z$ c1 [; [;;暂存新的一个全局声誉
- F7 S: _: C) t- W5 Q: Wlet i 0* N! P) ]7 s- U. x3 ~) p
let sum-money 0& @) I& w1 d9 p+ ~ k, V' l
let credibility-money 0
/ v$ t) _- l7 k/ q' \while [i < people]8 T. @6 i/ S" P* H1 w) N E' Q
[
6 S& F1 [& s; \, U, ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); P' T( N" U0 d g4 N( |+ z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; @" A7 t$ [( N! Z0 `set i (i + 1)5 w! G5 N4 U% X& l) {
]
- R ~! d/ b+ g& o" V8 y* i6 [- slet k 0
; T" n. M) _, wlet new1 0
1 P6 @2 a" @2 x7 N0 Zwhile [k < people]
& c' n+ X* l, N/ h[
: W/ m. F7 T% L, E' A/ {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): k& v. b1 P k }: Y) q: A
set k (k + 1)' S6 P* j7 Q& i' |( @0 }) m
]( S6 A4 _! i* n- p: k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 S, I' P! i2 [, M5 v1 l) i( C2 eset global-reputation-list (replace-item j global-reputation-list new)# ^" D$ E3 J- N x! A2 t! ^) L) T
set j (j + 1)
# s6 V* ?% [4 ~8 g5 f" [ t]+ A; r$ i4 r2 G$ {' \
end( g1 X1 i/ ?2 N5 w: P
/ t4 Q6 I; S. H' o) J( e2 \
- J& l4 ^; C. L' E7 @1 Q2 a7 M" G5 W& E% T: v
to get-color% C3 e& o& x2 y* F. U, a
+ z# j% S) ^! r, Y2 f' iset color blue8 `/ F5 T7 d; }9 i, e
end
Y1 d/ p0 |" T3 j3 f1 Y3 z1 R: j: f" j2 x$ K: s
to poll-class
$ @3 n* |' g8 u# w9 S8 kend
5 o% r5 R. z7 d# X2 o
' m" g8 m8 r% M3 U/ p. ito setup-plot1
% v1 A! B7 j) B5 f8 e6 f& x: a# I: L: I% B5 I
set-current-plot "Trends-of-Local-reputation"* I6 H4 ?! H! }6 t# V Z+ q* {
+ G# ?/ F/ z+ J! `; F4 h# X
set-plot-x-range 0 xmax' u! U! G; W) a( D. h) z
6 n. d: d3 w/ \" n+ c1 y: Wset-plot-y-range 0.0 ymax
" t( x! O' R. Y+ j& pend
/ V- o2 `# V B( o. Q( ^ ]
8 R/ X) N- {; Hto setup-plot26 G& W* [2 K/ T9 E
7 J% p" d4 c; xset-current-plot "Trends-of-global-reputation"
% S9 j, W' {& a2 [8 w7 j: f; D" R
set-plot-x-range 0 xmax, |5 e7 K# M' `. H A' ?
4 I$ Q" M+ m4 ^. T$ b& ?set-plot-y-range 0.0 ymax
% g6 L9 V" c3 o0 Yend' b; o, k( T; S6 E, [. e) ^
v+ _- V( d. i9 Yto setup-plot3
% o/ }- o: S7 c% W
: l# z! K( k w# L2 y8 _2 w8 J7 Tset-current-plot "Trends-of-credibility"
7 R" T2 r" O- ?; A$ k6 [6 d
0 I. a( h3 v; r& ^1 i9 Xset-plot-x-range 0 xmax
# Y# E8 I! e9 d3 y# b! w) x# }+ O! V: a
; R! ]8 d8 b, }$ hset-plot-y-range 0.0 ymax
7 C* A) ]% B: a+ K Qend9 x3 F5 [4 y7 y) ]; x( P# s+ x( \0 Y
" H6 l4 V( t7 o4 l H5 Z; u" @6 j
to do-plots& y$ c7 }5 f5 k( E7 s
set-current-plot "Trends-of-Local-reputation"0 ^4 B m0 l4 Z) |
set-current-plot-pen "Honest service"
0 o' g$ ]1 w3 e" r0 }end
1 E. }$ z# C; l: r& E! y, d3 R: B2 ]. I! E& h
[ 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
|