|
|

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
: N6 Z1 d4 n' x; `( Pglobals[
, G' ` [6 ~+ a% exmax
6 y$ T( ], ]" k( E- `3 D& wymax
/ F( O( {% J, w% R) f: u2 _global-reputation-list. S5 w( ]/ y {+ _! J0 y8 j
! E# u1 p* a2 E8 i( P+ E
;;每一个turtle的全局声誉都存在此LIST中2 ^0 F9 F; }; `+ x* h. |
credibility-list
* S/ h- D, b7 A( ?: k' i, G;;每一个turtle的评价可信度' n; n4 u9 Y! B2 z% |% j0 f3 _3 k2 V
honest-service3 J, w E# j6 o' P( w" j! m
unhonest-service6 u( ]# C. T" a) d* i# x& O
oscillation# J1 i0 F. X- A x0 Z+ P4 y z9 `5 H
rand-dynamic
% b- H! s0 W& ]. P' g) ?7 O]- G/ h" B& l/ `" n3 p
0 g G# S2 w. Nturtles-own[2 _6 _+ ^9 t# J9 L2 I% y; h( m
trade-record-all
1 B( K* }& W0 R! M$ V;;a list of lists,由trade-record-one组成( ?1 x1 D! x- v; Z8 y" P! c2 K
trade-record-one$ D* ~* E* q- F* {; q
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% [" k% `6 t4 ~% u' n( I, M
6 S L r% |2 B; C% V;;[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]]) q4 h) I$ c0 G' i1 a8 }5 m
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]
8 Z3 g4 n2 f4 t: Ncredibility-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, G# K( N6 ]- L. Q6 ?3 P
neighbor-total4 ]* k# d% A% t
;;记录该turtle的邻居节点的数目
3 z/ O: n' u0 G: L; |; \trade-time
; w2 d! [. I% |; Y- U6 E;;当前发生交易的turtle的交易时间0 s7 z/ @1 X1 G
appraise-give3 h* ^, m0 x) M- [
;;当前发生交易时给出的评价
8 N g4 r" D% G: [8 W# r/ kappraise-receive/ \% [& f" E" ^7 u) G1 p
;;当前发生交易时收到的评价
5 b; p! e# t% w: B5 Y4 Sappraise-time
- t* @8 x0 Z1 |! D;;当前发生交易时的评价时间
; `% O* W0 K8 Q* {( [local-reputation-now;;此次交易后相对于对方turtle的局部声誉6 L7 u1 T' D' @+ |
trade-times-total) t6 g% q O2 e! v
;;与当前turtle的交易总次数
% o3 S/ Y+ C& p3 h4 A, ktrade-money-total
. [* V3 D. B8 P# }* m/ i;;与当前turtle的交易总金额
7 w, x) N8 W9 w: k( w" Nlocal-reputation
% Q* w' v1 O, @5 n0 gglobal-reputation
; _, X, V' d$ L# g$ o" ^credibility8 W* Q3 d& m" z4 `8 H
;;评价可信度,每次交易后都需要更新; T) B/ a0 _: m& ~4 f& p
credibility-all
2 K- W4 v" u) f, q5 E;;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" Z2 f6 b6 Q+ g
0 i2 C# @3 S+ K5 \. ?;;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0.56 d8 d* P, T, M! a5 I, O+ C) \' X
credibility-one
- ?5 x8 U$ w% t* O! l3 D; T, m4 w;;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7 y" `8 M+ H" e) X8 K
global-proportion
9 Q9 ^3 O `, }customer3 L+ c' i" W G
customer-no4 d# J% g4 I$ u3 T, l- Y2 O
trust-ok
( }5 _5 T& C" Btrade-record-one-len;;trade-record-one的长度9 S# G& S. g! i! p$ p3 C- T
]
2 X C( Z, Z7 v( c# z
' q& u: U n$ s& W4 q( i M+ _, X;;setup procedure' ~ ?& }) m& m# \$ q6 ~ V
( D& T+ e$ b3 j3 ~% Y/ \
to setup
; {9 K! D }8 L* J1 _: _9 ^
, W7 e* ]2 Q7 k: R' H! ^ca
& q0 d2 r, V8 O8 a4 \4 V
' ?) c* F$ F3 P' G8 ]7 Ginitialize-settings
+ Y" c( A3 ~) B! c2 P. P" k
) J3 M, ]# d& x* r- R$ p0 S7 V) qcrt people [setup-turtles]
* a, A, w0 f3 q" `- |2 [; x' c" l6 c7 Q+ o$ T
reset-timer
$ I" t a: Y+ G3 `, b5 g& N# R
6 {8 l/ s' E, f) K! C+ p# ^2 cpoll-class+ K1 W, \; c$ o& A' w# V9 p
7 f, d4 N8 a8 J* X/ j# K$ K2 c; j4 @+ T7 esetup-plots6 R, |; u. M1 q, h- B8 D/ u; v5 h
' d4 U3 r p7 B! C- U: I9 J* b7 ndo-plots
0 O: N# n y+ @+ s8 T$ \# lend" c+ {& F. {9 E2 e
[; o3 W p! p8 F9 C
to initialize-settings
6 i# J' [) |& Y0 P2 Q/ N: r; y' Y4 D8 }# H* G
set global-reputation-list []
& e( I& w$ K+ L+ V. q, e$ ^: C. ]9 h3 a) a1 W8 g+ N7 a. N
set credibility-list n-values people [0.5]; [: ~- s' f4 V- `! p
7 `9 P% J) b* U, u8 @" |3 H+ Pset honest-service 0" y8 ?7 c7 M5 X8 V
* z" s4 O; I6 m# l) T) o& W
set unhonest-service 0. k" o1 A$ O8 Z' `
2 _8 Z T+ y* r0 |& gset oscillation 09 r7 M: O: U; G/ T; f
1 L- }" z. j* K+ mset rand-dynamic 0: T; [0 q8 b" d: J
end0 L% [& |6 A# [
" g- t5 @. x) F# G/ [$ Ito setup-turtles ( ~* c) @$ u( b3 o1 E3 q/ [) Y3 B; n
set shape "person"
) C: L( T- v- |8 k$ j) x3 b: Z% Gsetxy random-xcor random-ycor
) S. I7 g4 {" B; M3 J( f* a' dset trade-record-one []
a' C* ~5 K# `+ \1 w4 t
8 q# N8 a! `9 `8 \3 l) l; Aset trade-record-all n-values people [(list (? + 1) 0 0)] 4 n; @5 ^0 R7 w g% i" K" R
3 [4 D8 o: z; P8 j) Z& ?4 r4 A
set trade-record-current []
$ U! ^: j# h5 f4 `( yset credibility-receive []) l7 y# s) n5 P, o8 y0 f- w
set local-reputation 0.5
. X5 D3 R9 K7 p* Z0 J. hset neighbor-total 02 h! c: g3 p' }2 c
set trade-times-total 0
6 I* o0 K# [! w5 dset trade-money-total 05 A5 q5 Q* L5 c( ~& ^) r
set customer nobody
" L3 T# {/ }2 s5 F3 Aset credibility-all n-values people [creat-credibility]
' h- q( o2 _- e0 v Y- u1 Gset credibility n-values people [-1]
4 J( ~, U) ~+ y- t0 `get-color K* W% L3 O0 ~) R5 q
* w( t5 `8 y. p1 g( wend
: D; V4 f$ n: m& d. L9 x3 n, V. H
to-report creat-credibility
& T/ X) ^7 t% i# Breport n-values people [0.5]( F( f( h7 R$ c: Z1 J
end8 F, g- P+ I, s
* t& j% `. _0 l% q9 Fto setup-plots0 U( l* R& v. {) t8 l
! S' X9 V5 H6 Z
set xmax 30
. Z M# n6 ]/ v* q0 n. m. L" \, A) V0 T. j+ O/ B S+ i0 }1 x
set ymax 1.0+ @; i: h! D! ^0 Q M) l; q, D8 x7 }
+ B N9 J1 e2 d8 t4 ]& b0 Wclear-all-plots0 q* d/ j9 z+ j& h/ \+ ?7 H3 i
+ q7 c# t5 U( C# `setup-plot1& v* m6 c) B% n0 A5 K0 a- [
. X5 B) G. c: j6 F7 G. L: msetup-plot2+ u1 ^# Y4 m: A1 T) n) Y B
) c2 r) M! F; `+ A) p& v& O- f2 j
setup-plot31 Q4 y2 o* z# X3 n. g
end
3 d1 L# K7 h( ]3 ^# B4 c7 {# ?; w+ Q( J* Y) O4 k, J* `) o
;;run time procedures
& l: ~ y' M- X: f1 {! t
( b- |( g5 E: V- L; wto go
# V P# A; P' T& j* u! H
* Z* I( ~1 M+ R6 v% r+ H9 xask turtles [do-business]
# Y$ H" J6 Y: V Y; B) h) z5 \" Xend! g* C" |4 S% Y. k, F! a( }! Z3 n
) _% {9 }& e7 \9 kto do-business - q w, _' q; t2 I
r& t$ Z' i x3 J% p0 T- d; ~; Z( n7 V/ H7 x0 G# i
rt random 360
5 Q. L; J# E, t+ r5 @& B
1 K& a$ v" r' _1 K% kfd 11 ] J- \! \. q/ u5 x4 t
$ |9 r9 H- L, I. \ifelse(other turtles-here != nobody)[: K7 L& C' u5 j
8 v9 v5 m% e6 l1 W
set customer one-of other turtles-here
0 J% C) C& b0 u( H9 ^7 i! ], } |! S& j' x& u5 j
;; set [customer] of customer myself
9 d+ Q* E* y, C8 k- m! N( m1 N' s
! T1 D4 z- t. Q' iset [trade-record-one] of self item (([who] of customer) - 1)& p! h& q( {; U8 B; L
[trade-record-all]of self3 P0 O3 u9 w+ }5 ~
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: v: b# w1 ]5 f. U/ c
7 O6 v. G7 h, h' l2 Kset [trade-record-one] of customer item (([who] of self) - 1)
' Y3 h0 X% i1 V% h! Z6 y[trade-record-all]of customer5 F0 o0 Q, [& V8 d
/ I, q4 s. S; e2 Mset [trade-record-one-len] of self length [trade-record-one] of self
/ @& W S+ C( q: k( M! \5 v6 m3 `$ j& N) _9 ?" E9 Q i0 t3 e
set trade-record-current( list (timer) (random money-upper-limit))% F6 }8 v1 ]6 S4 p1 d- c& H" ? Q7 s
: D5 I3 S6 I5 G) h3 B$ ]ask self [do-trust]9 R+ |& ^6 K+ _& r
;;先求i对j的信任度# p6 t* ?) x# m2 \4 P' }2 e
& q5 S9 w5 y/ E! c% @
if ([trust-ok] of self)
9 O( E8 I6 G5 b% I! r2 C;;根据i对j的信任度来决定是否与j进行交易[
4 A+ F2 |8 x+ |- F! ?' H. gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 [! r7 Y! [" A/ |& O6 b! M6 \8 v2 T. v: s2 [7 S+ C7 D! `
[
/ l+ d1 {8 D" I
( I/ V. @# ?; ]( zdo-trade
4 i/ l7 o9 e9 F
! I% W0 A. r: p3 a% ?update-credibility-ijl
. \7 H6 P3 S, T' y6 h* E9 v! Y
Z0 O! @: S# N: U# J" ?' J6 Qupdate-credibility-list( Y! f& I- }8 }+ v
+ E% z, j, g; _, x, _' @
; K+ U1 ] `* t; x8 f
update-global-reputation-list
8 }0 D( g& ^; F Y5 y' R) v7 M9 L& ?3 t
2 q$ c! @ ^, U- S$ {5 A/ tpoll-class, e+ e+ d: L- C) C4 C
5 H) F3 `- A0 X
get-color" Y! Q; Q9 d) j4 J
( ~" N' M5 d/ @- K9 u1 _9 d]]
. w4 O! `4 X; B" q
4 h0 N& H. Q2 T; t+ T7 A;;如果所得的信任度满足条件,则进行交易& d4 Z7 b* A( D# {
; I, m* u, f8 y- n[
& n' s7 c5 s) }3 _+ _$ j: Z; ]/ c- ]) H1 G- d: |
rt random 3601 @( P1 V7 t- ?
( Y+ S# J" ]0 r$ p% B' x& xfd 18 {6 k2 v% g7 O, a# |
3 P# ]! d: k5 l5 K, b% @
]
7 q$ |0 P2 g" p% v2 c9 W6 g, f4 O/ g" H& T" G: S7 A
end ~# F( G8 M2 e s- x8 T
# i7 I1 \) M7 P1 a. pto do-trust % U) X4 L; G- G" g0 X
set trust-ok False
$ }# }% U' P- K: ^; I/ E7 _7 s3 J( U. s, W+ A( \
; {+ m) M. X7 ?4 n. {
let max-trade-times 0
) f$ I' A, |& o9 {" H. kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 J0 _7 j& y% f
let max-trade-money 0* Q- B. {* E3 B$ G8 j. h& u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) K+ r2 T# T' f! u! 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))/ f: i/ y& d# `3 U! |+ `
% Z# ^" J# ^% ~$ E5 ~, y# I
" g' r+ J* @; J8 ~, d! Q
get-global-proportion
/ |" }2 }6 I C6 Alet trust-value
: ?- I/ Y1 z- P( G2 _4 J" ?2 h& Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
@' T1 \! c2 }. }) B/ ]if(trust-value > trade-trust-value)
' ^% c- N; }- \2 X2 q[set trust-ok true]
% o# @7 ]% r* M nend' U5 R7 u' r1 D
2 H i$ H3 b) U/ T! X; `! [4 eto get-global-proportion* I/ c% B: q1 R/ D; c! Z i4 D
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* \/ R3 t8 ~& m& p; ][set global-proportion 0]
5 W2 i% Y6 H: j( ]2 x) Q4 U[let i 0# Z, A% J' D; ]2 y
let sum-money 0
0 ]# ?5 C3 g$ G: j4 zwhile[ i < people]2 ^1 f+ ^5 E% K/ J$ _2 i
[
3 c% P! p w. Jif( length (item i
$ e/ c4 J- [2 y) P3 l- W% \[trade-record-all] of customer) > 3 )
; }9 o- K8 L5 `5 `$ [& q9 L( S[
$ }8 R' U; ~. d' A& _/ uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 j( n& [4 b2 B5 v5 ?+ t]& H' g# ~/ p* b! e ]9 r( @
]
+ ^$ |2 V$ W' D% {let j 0
+ t, n+ q& S( V1 I. Plet note 0
3 b; x1 n* u, u. }while[ j < people]( r8 b5 r# l5 c5 o5 o2 s
[& i4 R( k# y' Z: V; l
if( length (item i
+ V1 t- J4 a" h" [7 \[trade-record-all] of customer) > 3 )' {2 y$ \5 R }+ q# {) ]
[! w. p( Z4 c) B1 Y8 u/ l
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& @ h& i. F0 i# s( G8 {; i! c) D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ ?* ~5 ~* T& f( l+ t: k/ G
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 q' q6 g* F$ G% o]
, o, I* P6 T6 l* @3 R4 _4 S]
2 C7 q' i0 j0 m( ~set global-proportion note$ H4 d7 e `. M6 B+ F
]
: m; m) V$ q) W' K+ A9 Yend
; y+ Q q3 ?$ f' H$ s4 F( c5 H n8 M$ h+ \! @7 x
to do-trade- [* N. m. D+ W2 B* ]7 e( C* r8 Z. p
;;这个过程实际上是给双方作出评价的过程
0 t: \) s* g3 }. o7 Z2 y. R' t% Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' S' x# J1 w( ^# x' o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: K3 C! v U6 M0 C9 C% s: U8 Fset trade-record-current lput(timer) trade-record-current% m8 b: ^( u2 R# P3 H. c% U |
;;评价时间8 l4 f j" K4 F; K2 Q& h0 a# E
ask myself [9 D$ P1 b- ?2 ?5 \" O) j
update-local-reputation3 R8 m0 x0 O' k6 t$ g0 a
set trade-record-current lput([local-reputation] of myself) trade-record-current
' A. Q# i: }6 g! A3 @) W% K]1 T. T2 G' X( X v/ G
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 M- E/ W7 L, k, e( W- D n3 _# S
;;将此次交易的记录加入到trade-record-one中
0 ~) U, z1 \+ X+ K) Hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 h! x" ?! `* F1 \$ [$ U5 Glet note (item 2 trade-record-current )
( ^! z. H, x2 V- I& ~ vset trade-record-current
2 _0 Y( S7 G: o: Z" W(replace-item 2 trade-record-current (item 3 trade-record-current))
9 ~" A7 C$ a8 p& P. M1 r4 }1 ?set trade-record-current
* m& j2 `! T. ~. K' F; d(replace-item 3 trade-record-current note)+ d4 }% F* V9 l2 r8 F; \( D- k
7 C/ b' b9 K9 l" p
- @0 S3 V, L$ r3 H1 y
ask customer [
( E A9 X, }3 U- ^- g" Fupdate-local-reputation' B s( ]1 ~, u6 h5 a3 ?
set trade-record-current
$ k6 }9 }0 t" w3 q; Z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ r9 {2 [2 u- L8 w- n1 }3 e
]
0 y4 s& Y9 C8 h4 X- z; C, @8 @* b1 d. w. U( W$ n) a
* {) Y @0 J2 s" V6 X! pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 l2 O5 |* z4 h
7 a0 \" \0 T" i
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* Z$ ^) L$ P3 ?0 Q% M* z- [;;将此次交易的记录加入到customer的trade-record-all中
; {5 A t; K" a6 e) V% oend' n3 b5 M2 I. I. \
2 ]! ?% q, q- f, n& Y' n
to update-local-reputation+ t/ \) @: F2 s: u& q, E! V
set [trade-record-one-len] of myself length [trade-record-one] of myself
4 t& \* g" U8 O* Q% S0 ~
# u _$ [0 I5 Z4 \) a1 C
! t ^+ C: W) j8 q1 B;;if [trade-record-one-len] of myself > 3 : I' p9 x6 |1 W6 _* P4 W
update-neighbor-total
2 Z/ |+ J- o. l3 e5 k7 K;;更新邻居节点的数目,在此进行3 X a9 r! A$ p8 w% W! J
let i 30 p1 ?2 A( F X
let sum-time 09 }0 }7 c9 |$ ~& f' I, B
while[i < [trade-record-one-len] of myself]
z( _0 L6 O. N2 d0 x! X$ h6 W[* J4 |% ^* M8 F" E
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! D$ c; C5 ]$ [ iset i
/ ]: x8 e& R# E4 @; H f) K& {4 [0 F( i + 1)
- k$ d/ u0 R* i8 o]
% T. m& o; \1 ^6 Jlet j 3( b; d5 b0 N t2 V+ D+ r& T5 K
let sum-money 0
1 ]( ^2 q# k" q4 G; C1 Z: swhile[j < [trade-record-one-len] of myself]' d) \9 T; V# q- Q% Y9 ` V
[
/ ]1 q! L, g* K; c; Eset 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/ @! m2 _! i+ W
set j- J# m% @/ \5 B
( j + 1); V/ w) N, F3 J4 A* r5 c# \
]
, _3 s8 L w' ~$ u* S, m2 s3 u7 [ ylet k 3
' c7 P! P. [/ h% I; d0 t7 @ {let power 0. d8 [ G7 }! i) D- Y
let local 0
$ [& k, f% B4 \( lwhile [k <[trade-record-one-len] of myself]
' V8 L& ?' k3 o8 X[
3 T0 k9 o3 M& |, Mset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money)
9 y* U; P; F Q) ], i' ~0 K+ ^set k (k + 1)
9 [: P/ D7 B% q0 {& {$ x1 m9 J]
1 v8 @& b: Z* [+ w/ Y& Kset [local-reputation] of myself (local)
+ j' T: t3 i+ \8 B C0 Y& Bend
" I8 y6 |1 D$ {; n: I0 V2 R$ ^/ _: g" p' [6 M; ^! O+ ?
to update-neighbor-total
* s. E% z& n9 f& _
) B. G% o2 X* h/ u4 t# d" e* hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 e$ H$ K5 e+ C8 ]5 I, s+ u
. T" Y x" S- g1 q4 h( c
( ~. \, g. K9 _; R% l6 q3 s# Jend: `# ~. j+ ~& f' ~+ v6 A( o
2 |2 P/ S% H- D8 o$ P) n
to update-credibility-ijl
9 b/ f7 e9 ~! y" P4 @+ s i0 G. x! Z% V; K' X3 _
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
" I" g1 \) {( K% |6 n( `) \- ylet l 07 s$ ~) z8 |+ Q, o( a
while[ l < people ]& L' U4 s/ v- S* Y+ I
;;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
% C2 [. q- R% Y+ [. e[$ k' d9 K D( P( S7 a; C
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" N* i3 H# p1 ]# i) X2 }if (trade-record-one-j-l-len > 3)) p' ]; E2 p4 I! I4 t
[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# o2 Q( z3 K- I% x! `
let i 3- n* B/ }6 ^- ]4 T: S8 a( D: V
let sum-time 0 @* u5 Q& x7 A8 k: E1 |6 y- v2 N- \
while[i < trade-record-one-len]
1 ]& Y* C+ W2 f' Q[
3 _ \& V! l1 o+ V4 uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); z+ K: L/ z. p0 w8 r( J
set i
8 \& |: R$ D) k% ^' Z, ~( i + 1)
/ H R) e& f, Y" A! {. U]
/ o/ C B4 e' r- r& }1 s- j' Clet credibility-i-j-l 0% E' x$ }2 x' z4 R8 Q
;;i评价(j对jl的评价)% M) ~3 J3 |5 K3 d1 W
let j 3
0 S" ~/ S2 i% `6 @) d" f, Ylet k 42 w# F( D4 O. N( Q" S
while[j < trade-record-one-len]* H) m j* Q+ U
[! D1 X( A5 n1 K; h; w! `
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
6 B& Q( _( R" [# c5 xset 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)& P1 d) ~( a. u4 \6 J, j
set j
/ ~" h _: u- T( j + 1), P: U- L+ g; @# L1 r1 E: x
]
0 g2 c0 s5 D) c; H& g% t8 Aset [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 ))
+ d$ q' y! D1 M; v* t0 ^9 j3 f; ?% i! _4 O, n J
/ c8 W) m# y# q" ~$ f5 Mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 L4 r0 {4 [- {2 U4 U
;;及时更新i对l的评价质量的评价
- M$ x8 n/ o! Y i) g$ U) lset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 b& b; s8 ]3 K. }
set l (l + 1)- Q+ O9 t3 H+ H1 s+ o# a
]
# ~5 J7 ], V# p% m7 Qend
7 D7 i# R' B% g5 d- R: q/ U& M8 m. \4 ~, h A3 A; G
to update-credibility-list
( R+ B c6 K/ u6 @ {. {% S# Qlet i 08 m. O2 V9 s" ?/ L6 q
while[i < people]
, q H: D! C) \) i. d[
8 [. z0 Y/ q3 V! {, d& H0 g- Jlet j 0: n5 e: Y" F% ~+ B
let note 0$ r j+ F' a- V4 e6 _8 Y* v# ~
let k 0
- V5 k1 D/ F! [9 L; H+ Y/ v) i;;计作出过评价的邻居节点的数目
, r q4 F% N$ P$ Swhile[j < people]5 q, p- E/ c# {) K' x# W- z
[
. L* P: B2 O- _! t/ bif (item j( [credibility] of turtle (i + 1)) != -1)
% h" ~* ~$ I; y* X( I3 F;;判断是否给本turtle的评价质量做出过评价的节点' u+ G& R6 y2 S, T2 E9 H7 O
[set note (note + item j ([credibility]of turtle (i + 1)))
! h* P0 x. I9 P4 q6 X4 K& [) F;;*(exp (-(people - 2)))/(people - 2))]
( B7 L4 l( c3 K/ h0 W2 s! r+ ^( C. fset k (k + 1)- @3 Y7 f6 I- N( i8 S! S, F" |5 r
]
* c" v1 t' q7 \5 f- |% o! C* xset j (j + 1)3 q+ C. x1 A K/ [% Z4 [4 m% W4 O
]
! n' q. k" k4 }& @) E Tset note (note *(exp (- (1 / k)))/ k)
8 d& N' S2 }/ @* R% M5 ~7 G. zset credibility-list (replace-item i credibility-list note)" m# e) i( z$ r1 R3 H" f
set i (i + 1)
$ g( s( O5 U( y; \2 q' J]
2 e& F* c3 d' {% r8 M9 U# K& r* L4 pend" K+ \! g& p4 j
! a6 ?% O9 d0 z4 c8 X! D" Q
to update-global-reputation-list
- _5 k; B8 |8 g7 L. h3 v9 {! ilet j 0
* U. ~, M# B6 ~while[j < people]* i3 x$ o0 j' p
[5 T! |1 R, d8 M; o
let new 0+ z) i( Z( a& `6 r
;;暂存新的一个全局声誉$ z7 q/ Y! Q c2 i
let i 0" Y; ^5 f6 Y+ |0 w. g% s
let sum-money 0
* v9 m6 M, O' clet credibility-money 0
0 ]& i8 `1 ^( f3 O. p4 }while [i < people]5 A+ Q9 D; y% G% ~, z
[. B) L" M+ f% @5 ?+ g# _5 k2 o
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 p; \( F* }1 X- {: |4 }9 ~. ]" \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) K' i5 }' n! D; w% gset i (i + 1)2 Y, ?% h$ a8 m% g
]- A4 ?* `9 Y3 G0 i
let k 0, N* U8 T1 T: b# s/ a6 B/ Z
let new1 0
8 w1 W/ }3 K2 M) L- Twhile [k < people]( C1 k' i! F$ ]1 {( ^
[9 X! q* E4 B* @ M/ Q2 }2 R
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)4 O1 U4 K+ ~. o4 \: Y9 R
set k (k + 1)# ]4 ~2 E) @3 C8 j& a- i
]5 X% t! ?2 H* U
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) + S' Q- Z- C. r. E# w
set global-reputation-list (replace-item j global-reputation-list new)" [3 N7 r9 Y* X) |3 S7 T
set j (j + 1)
: {" }; j# F( L; R7 Z: ?, U]0 M1 N5 J- W2 g' [8 g" T
end& q, j7 R: r5 s4 k; m$ {
, P' G; g" }6 f' \9 ~
1 B6 o. C6 f# {
V$ M) d) K0 u1 H) T7 l6 Oto get-color" i" _ J: i; r- q: P) h* J
5 l% {( i1 j9 ?0 C( S1 aset color blue% I. j2 b$ S% |4 T1 b8 h8 u
end
4 n8 l+ o; S y f e; j# }: I" F0 ~$ ]5 {% W5 T% h
to poll-class
7 d4 Z) @8 ^9 Gend; g& ?) B9 a" a* j9 W) Q3 D
1 t/ h v! N* C" t) P1 j8 ito setup-plot1
- `* w9 P- }) {$ J8 d
! J% @; ~ c; ~# t6 @) Bset-current-plot "Trends-of-Local-reputation"
, W3 D0 S' F, W$ @% x5 P
* u! z, X3 M# C9 b, ]2 M* uset-plot-x-range 0 xmax( a: a/ E" J4 g: Z& O9 X
: V: n1 e( W0 R' {) Pset-plot-y-range 0.0 ymax
0 p( t! |+ [5 Z$ n: g+ Dend6 x5 b$ ]. E' ]
6 [+ g# L5 W* |to setup-plot2
: L7 J9 `0 d( s0 k5 t3 A
* w) r( h; n$ G7 \6 @, [! B; vset-current-plot "Trends-of-global-reputation"
$ y$ }* y4 z3 g: l+ |
1 P, x" _0 L9 Z4 O9 | l* _/ Rset-plot-x-range 0 xmax
+ E3 {: u" y. g8 |2 b: B% n" A1 N* X1 s
set-plot-y-range 0.0 ymax% N+ Z. v+ x! z3 A' N+ v
end [; _4 c! R& |) ` j1 V4 x
0 }/ O' L) s, c8 o7 U: _$ E" c" Mto setup-plot3( c! l% v g* x
k1 f- k( N" x& t, o- j
set-current-plot "Trends-of-credibility"7 ~* D; Z6 |8 O0 D7 c' a7 c3 h
8 e5 c8 H2 e- q: P0 B& `
set-plot-x-range 0 xmax1 I8 m" V: C2 Q0 T
/ c1 s3 \8 }: W" |5 p- J
set-plot-y-range 0.0 ymax$ ?/ w7 a2 Y. A; \7 u
end
8 x$ R. F4 l, h" Z& ?+ j+ {
9 K* b( M3 U, Q* @& tto do-plots% s1 C: V2 l% k5 s# r6 u
set-current-plot "Trends-of-Local-reputation"& h+ Q3 E: U' p$ g
set-current-plot-pen "Honest service"" A+ u6 I B' W `9 W; r# _
end C% H3 W& r' N5 P. O( b
0 N; W+ `$ t# L; O+ W3 Q3 S% M
[ 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
|