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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
( `1 B% H1 N$ P) @7 mglobals[
% Q" O4 o. A5 L& ^1 kxmax& U0 V$ W& R4 t1 _+ g
ymax3 L- n: }) y" n+ S- w @8 L
global-reputation-list
$ w* z* H2 U; {3 ~% M5 {- y3 N) D: F3 P( }
;;每一个turtle的全局声誉都存在此LIST中
3 T3 @4 }% A2 I4 I% R, i# Mcredibility-list. ~0 ?9 C+ [# c8 I7 y
;;每一个turtle的评价可信度' A6 ^3 W9 l, o: w9 \
honest-service* U7 M0 C( c* n, v
unhonest-service3 k* n" J. {+ e4 R$ K4 B; ]: c
oscillation
2 G, _. N7 b! Arand-dynamic
9 h! y9 B& n- Y0 e# R- H]% K3 }% U* q( Y: H) T
$ C4 T, E6 ]. q, nturtles-own[
2 O! P( O0 ~3 D- w, W( Gtrade-record-all( `3 f- J0 z3 z3 k; f. l
;;a list of lists,由trade-record-one组成
' E7 B/ w8 ~9 o4 rtrade-record-one
- `3 u$ G8 D u' E;;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% A& v6 v% C* L, B6 R+ g
" A8 y$ [( [% \* C9 P;;[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]]
- R$ Q" o, K6 C8 h0 y9 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]
8 i) A8 p7 ]8 l) _: r5 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list4 Y$ `. I, k/ u4 H
neighbor-total
8 I" F# y6 e& C, w7 e8 X;;记录该turtle的邻居节点的数目
9 V* C1 ~7 c; }# u* s* Vtrade-time
/ L1 b$ s" |0 X! ?- d; q% _3 [;;当前发生交易的turtle的交易时间
4 N+ R8 h0 u3 i6 B4 bappraise-give( ]3 x- M9 f9 q& g& _+ P
;;当前发生交易时给出的评价
' F" q/ v9 ?4 t& @- wappraise-receive! m( Y1 p e6 ^3 H
;;当前发生交易时收到的评价" m1 n& D9 ^- I! x+ X+ ^, p2 O
appraise-time
6 K0 y* Y: @7 O+ m+ @* q- X, O3 l;;当前发生交易时的评价时间
) r" h' s' d; g! ?2 b. P- J1 dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉 T) j# u# \( c$ x, G! G
trade-times-total; a! m$ W. z* s2 a( `% O
;;与当前turtle的交易总次数
' y. }, s% v$ Xtrade-money-total/ M. l3 U* N% A6 \8 h
;;与当前turtle的交易总金额
3 z" L- F9 }2 Qlocal-reputation* R o4 j1 X1 n1 n
global-reputation. r4 R5 r5 B& w6 M2 D0 Y
credibility
! t& l; X' {4 v6 H0 q;;评价可信度,每次交易后都需要更新
, a: F7 I6 L* H; ncredibility-all7 Z) T. X) ^* _' O4 c' F6 d
;;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
# Z7 J* v) w6 e' Z7 `: N( _
/ L7 X" @( R" i1 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
5 J+ [, A7 ?' h; P* R: g9 n! bcredibility-one
/ }- W# A. D. N# G( g;;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
4 c( j1 d4 ]) J; F5 Zglobal-proportion( k& q+ I" K- i* ?3 t; E! O$ g
customer
5 X& d4 f/ }$ p0 i. E- T4 l1 b' scustomer-no0 ~& l7 m" G, f8 b3 ?" R
trust-ok
0 Y r7 @) h# I# {9 ^4 l9 jtrade-record-one-len;;trade-record-one的长度
5 F/ ^- C' M: a" K/ ^; Z]
4 E" N- ?) v" a+ J
: n& H7 J8 _' Q& U2 ], S+ D;;setup procedure5 v: E3 v9 d( E
4 x0 [7 K8 a( A& i, k! s& e; fto setup. r! M- d5 e9 f( V% o8 U) B
3 j( F9 Z3 ]" [% D' Dca
$ V+ e: S) a; v2 O5 C5 e) @2 d' O: b$ i9 c" m, V
initialize-settings* P) O4 e+ t6 i* n
' n8 p, \4 T3 \( e; Pcrt people [setup-turtles]
' b, E0 ~& Q1 r0 a, Q X0 V, p% a- W
% {' o% U0 d* o/ Xreset-timer
+ Q7 t9 P# O2 e _* O, k% _4 k T. y/ k# @3 a: J$ d$ @8 @
poll-class
) ^6 D+ F: y( n6 o! y8 r' N3 D
% M! j% ]5 @4 m& t, msetup-plots
4 h: ~ k, p r+ P2 N; o9 M3 w* O. ?/ i* ]
do-plots
+ n6 b6 n3 I: d5 @$ V% E' Yend
# v7 c0 [, j M$ P$ s9 L1 G
6 a7 o- D2 E8 E% Q1 X& l" d. ?6 ito initialize-settings
# P( d3 D8 _* ?# l
& X1 j" F- Q) }+ oset global-reputation-list []6 N2 y, O3 s$ t; z1 w1 B7 i
5 G6 U# _0 F, Xset credibility-list n-values people [0.5]
8 v: z* h0 u- h5 v
1 z# S. ~6 n; v6 @" ~ x( [& y: Hset honest-service 06 h7 H+ E U0 T
% x& v6 K- Z5 |7 Qset unhonest-service 0
; ]" N; u; l' U% J
, A( ?2 h2 v" o( f4 p( Bset oscillation 0/ m Y4 H8 _* i3 D. _. j
5 v! N. m' C, I+ x4 K. r
set rand-dynamic 0
8 b: F1 i# }3 L2 O3 eend
, M" i; g0 J+ `$ c' K" I! K5 f$ f/ M N6 g# v
to setup-turtles / V" V/ v+ }9 E) W) h
set shape "person"
3 x6 s# G* f( W7 v" p: Lsetxy random-xcor random-ycor9 i0 P0 C7 }) ]
set trade-record-one []
7 W, {3 D4 K1 h& W* O v0 @; ]2 F; E" W8 F% J" `
set trade-record-all n-values people [(list (? + 1) 0 0)] # \/ f: P, b& f# X. m; A. V& U
2 O8 H: v$ c1 _' @: ?set trade-record-current []
3 _1 F8 q4 o+ X# h$ t$ Zset credibility-receive []8 C5 I0 G3 I5 F1 F& s
set local-reputation 0.5. T5 G1 N' Z% E/ T7 L! K! }/ M
set neighbor-total 0" R* ]! k+ Q8 N7 ]( s, ~# w
set trade-times-total 0
7 \: Z! n5 P3 v& H7 f) H+ D A& Fset trade-money-total 0
* j* z' B1 z/ H. F" Qset customer nobody
1 z3 v! e' T1 T: P$ i! x! l7 _0 ]- Wset credibility-all n-values people [creat-credibility]# r( E7 _9 \ D( J6 u# _
set credibility n-values people [-1]8 _1 y7 c- O; \9 k, Z, H
get-color
, h$ L7 k) H' S4 k' {
% m+ f5 ]" z0 nend
* j" V) Z* g# R" Z1 F
% N1 o+ U6 S' W% |to-report creat-credibility
. F: z) H2 B$ y! M% h. n" W1 Vreport n-values people [0.5]
& x+ h; ^8 U$ B8 y/ ^8 d+ eend
! d/ V5 y7 N4 f1 D' P* b; y) b6 f+ X/ s* i& Q8 |' W9 B1 p' y1 c
to setup-plots* d6 S3 i/ |# @: [6 e' O0 R
* |% K4 l. T( ^" u/ ]2 d
set xmax 30. v/ `; a. {, S0 ~8 P& S
2 [+ t/ ~2 ? N& g
set ymax 1.0# f% i! N) u5 f3 g: n
: \0 c7 z( @1 cclear-all-plots
4 I( Z4 K+ j( Z6 I! T- w0 y
: h. G7 Z2 f ]8 {6 F& esetup-plot1: \ C: S! G+ G, W5 Q- h' A
* u/ ~/ K" X5 t8 ]3 T! Q# ^
setup-plot2, |: F" l! ~# o: K) M, [
( A3 M) O4 S* j( W
setup-plot36 z+ L* b! G7 _* d" f$ ~% F* Z
end s0 C& o# M1 [, w! ~, l0 m
+ l3 a# `4 C; t6 M8 d" Z/ |7 [
;;run time procedures+ M9 a, D5 B$ F8 ` }/ P9 V5 N
' g! `! S8 x9 G' E& Dto go
! U" t& h, l) l# H
; V$ Y; w* p3 s' s+ O' Pask turtles [do-business]
8 g, K2 f7 J2 Z( ~( y: send
5 Q. G: z* E( ~7 E. I
4 l/ Z1 e0 {4 o, A! l( Ato do-business & @7 p' {/ c( ^ P* S- M
+ u' r) u4 Q1 m! C. X
) l! R' c" f$ j7 [rt random 360
. g7 C8 u; ?$ j$ c' A( @! a& L, @; Q7 D9 q: a/ P
fd 1
, S# C; k n8 u) R( X0 h/ N* @- E# s3 q' d; Q+ ?
ifelse(other turtles-here != nobody)[2 J' r4 Q+ G9 A$ t
+ B7 i0 E1 ?! P, f- n8 U; @set customer one-of other turtles-here( t* ?/ q9 Y. A+ G
/ K. _9 S. M3 W' q;; set [customer] of customer myself2 z; U' ~1 W! d' ?
7 N4 y( n( `4 [! K, \ \
set [trade-record-one] of self item (([who] of customer) - 1)) W; Q) t# s* p
[trade-record-all]of self
: j a3 A, M" }- [1 T, ?. S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* N/ u6 k" d$ |3 C3 B, Z/ B1 A
" m3 u1 R% [: O+ [& |) X
set [trade-record-one] of customer item (([who] of self) - 1)
7 @, v+ V( }/ @3 w |" Y4 `[trade-record-all]of customer
6 X( n b; m5 Q( Q/ x7 u, x
9 b% P% i0 }$ Q9 T9 p7 a9 ^5 Lset [trade-record-one-len] of self length [trade-record-one] of self
: P. b. v2 g, I7 h/ I7 r" h- B, P. O( T+ q
set trade-record-current( list (timer) (random money-upper-limit)), d. B1 J' e& e/ R+ [) s
) X0 a1 R2 }0 J eask self [do-trust]
4 B# h$ d' ~5 j. k% v" E. j9 c* _3 _;;先求i对j的信任度/ ~5 X3 ^) G: w/ n
$ P V2 N6 D5 |. V
if ([trust-ok] of self)
8 z$ \9 _9 w5 w5 G' H, V* J; h;;根据i对j的信任度来决定是否与j进行交易[9 I6 g+ a5 ]5 c
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself0 h9 Y. @6 k! H. _# d3 |; ~
: B3 c3 M3 ]6 Q) \! K: p3 t( w. U1 O
[/ D1 W" O9 n; e" @+ l P* d$ p
3 {& X0 w& Z3 N4 m" u9 L" wdo-trade
/ m' @5 x/ S- z2 {! C
4 u4 C' ^( b1 Z& M. B1 Zupdate-credibility-ijl& K, T1 l( ]7 [+ a# l; h' y# x
t7 n1 q) W3 F/ k# N0 U9 j
update-credibility-list3 H1 x$ {$ N# q! T# M5 d# _
' L6 T! N& l4 c) |6 X' ^+ j1 v; e1 z
. Y5 B' I( b, e7 }; \update-global-reputation-list
; W: {# O) ?. @) E! [
% r7 Z) k& x9 {. dpoll-class& U, q- y' `% M
1 c: `3 x( T2 R) V6 _+ K K$ L( x
get-color
* {' f4 \: X, o! l/ P6 S
1 \0 B8 ?, l, j) _" t: r]]
. u/ x9 [& W# n) M: G$ v) R+ d7 F; W2 V
;;如果所得的信任度满足条件,则进行交易
% @2 z" p0 J' r" F
& O5 l' E, S* ?2 N8 [. J1 V; M[; e0 o7 Y1 D6 }) o6 o. _2 _
" m1 r& K! Y8 A1 K7 d
rt random 360
8 e: N( s2 A" G6 |! [1 ^- ?# y! L3 v' j, P" `; o) a) t. T7 p8 e: ~
fd 1! f# o% g/ l. u5 P! n8 W
" d9 T( y4 |; J1 I; {. \]* I* B- j* M/ B9 w
, |) ]. X; @( r) ]" y0 o2 v3 j+ Xend$ r- k. C. B3 w8 j2 J- C0 R
3 y5 {5 ~5 z' d! [+ Cto do-trust
8 U6 Y( H. y: yset trust-ok False
2 n/ K% h8 ? t& I( @' g! Q6 k
" J6 @7 h& Y( J
/ n, e% r3 }* \1 C8 Olet max-trade-times 0: t u D* M& g& m8 V* I
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
I% r* N& p5 Z: r" H: e( |let max-trade-money 0
& x7 e5 S6 A; N { ?0 V2 t. [foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' v) P$ ~' [( X' v2 Y$ 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))
) |. K9 ~7 e+ N9 H, T, \! O( {/ D8 C. J8 a& k$ u. A
N9 J0 @: s( J* ~ a
get-global-proportion5 X: T. B: N4 _) t& ]+ s
let trust-value
9 I, }; ^9 j* f6 W |5 c! z: g/ 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)
$ f0 H$ d+ J0 k6 T3 Zif(trust-value > trade-trust-value)
$ o5 Y4 v! g4 ], `2 H2 G* R[set trust-ok true]
/ v/ n" b+ G2 H4 U) K7 V7 a; uend* G% K* W; Q9 R1 a, v& x ^
. l" o" y& R; D+ ]' k) e6 N% G0 ^
to get-global-proportion7 l9 u1 D: [ W: K* w' `
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 V& C. D. r& q* y, T. Q- T% A, H+ P
[set global-proportion 0]4 O% i; {% E. [+ J( u3 [" r# M ]
[let i 0# T* W% p0 y) Z5 n+ g. I& O
let sum-money 09 w) y% L9 E6 s k/ K4 q
while[ i < people]
* u7 I W/ f* S' K! R[
, Q0 ]1 n* v# M! L9 ?if( length (item i
4 v/ i7 n! ?3 T4 S# Q5 I[trade-record-all] of customer) > 3 )' y3 U. g8 E2 B1 m& K
[, V m, D) L) V) \, I, f& T$ W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ q2 v4 C( q; {]$ { n8 v! l, ?/ U2 W
]
' z) ]9 F* J1 r: s. L" |# v) f- v0 Slet j 0 X& }, b8 F( p0 Z- P% d7 \
let note 0
0 d5 ]+ u4 d4 @. J$ zwhile[ j < people]
5 s0 `7 R7 \3 H& T* o [$ ] R1 W[+ ]& k" [4 C: U
if( length (item i9 q- D8 U, l/ d0 {* Z, B
[trade-record-all] of customer) > 3 )
# L% ?2 N2 Q* A6 @; o$ V# x[+ E/ I- T; ^2 f& A) q% s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 E0 T, f f% m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 x% Y- U9 v5 d7 n[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% |. a/ V* |6 Z0 d5 i+ o]( }% F* H! T+ q* X' F# s
]
5 X- Q) `. `7 X# g+ J: x8 ?set global-proportion note- J9 a6 F2 W! u9 f6 V* x
]
& u/ D+ l( n% c2 Nend
- f& E, v, P, p0 ^7 A- O( ^4 h' \" w' A+ v l) [8 d% h
to do-trade
' K3 c5 D7 J# p; i;;这个过程实际上是给双方作出评价的过程$ O, i. f" K3 O) u i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* v' a* v; \- Y3 C, w/ Y1 k) }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* k' A9 ]: S3 W5 m7 R
set trade-record-current lput(timer) trade-record-current2 ?* C( c( F" t' k6 q% U" ~" j% c
;;评价时间
6 Q8 E, U" n- {- Xask myself [
7 ?, t$ j, t% v& f4 Z' ~2 |) O5 fupdate-local-reputation
0 Y0 X0 g: d2 R. Zset trade-record-current lput([local-reputation] of myself) trade-record-current
7 N8 x5 R1 `% W]& a( \; {' {; o; |
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. g! s% M) ?/ D* l% k;;将此次交易的记录加入到trade-record-one中/ t3 l5 b2 i# Q. n( M9 o" }4 m& Z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 O" s5 Y: @1 E8 f. ]& ylet note (item 2 trade-record-current )
$ k/ I1 [$ F5 l0 v+ iset trade-record-current
8 x; h9 C z6 \1 i(replace-item 2 trade-record-current (item 3 trade-record-current))
3 G7 j/ t. r$ H+ Lset trade-record-current
! @1 G5 R& _ c# J3 {7 O(replace-item 3 trade-record-current note)
! {& _7 D% Q% y& [7 S% U- E
. w6 q: k3 @% W/ S+ C" x+ J
) W2 x7 z% A* r& C' zask customer [% I) V/ P, \* ]: Y" J
update-local-reputation
C7 L& h$ A9 R' z5 Q) zset trade-record-current
2 h: e H3 _. X& K(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 X8 j( C* J f$ `/ C# }" ^. u]
2 s$ U& [! a& q: ^
" B1 V7 V( V/ ^* H1 D
2 }- a3 O& a; ^set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 a b+ F- {: {) F
" B o1 F8 _/ @# j( Dset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ I7 F! Z/ T5 W1 V' E/ b% K$ b8 U) i
;;将此次交易的记录加入到customer的trade-record-all中
# D% t9 T, {6 q5 x' K6 O3 e5 `end% T5 r7 N$ ?: ~ D$ J. {4 V2 W4 K' w
3 L8 M. }* H5 ^( Rto update-local-reputation
% q# q5 k0 R K. mset [trade-record-one-len] of myself length [trade-record-one] of myself" P; @( }" v X8 [; w
% j8 d( ?$ T# B y* G
( D/ [0 E1 q" U7 a0 Z2 z;;if [trade-record-one-len] of myself > 3
4 c7 I7 W) O( P4 tupdate-neighbor-total
) g& P% E' m6 T; `: B4 _;;更新邻居节点的数目,在此进行
& ~9 }6 e8 i0 w& E/ A! o6 o: Blet i 3
: v) o, B F2 ~: y O3 c3 ulet sum-time 07 \" ~4 v+ X, w3 L
while[i < [trade-record-one-len] of myself]
1 k- P% _. d3 x[/ X5 @9 I n& G- [# J. s$ ~
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 u3 u t+ A' k7 j' t8 Cset i
; Q+ T( H$ J6 L" K2 c+ C! p( i + 1)4 @' h/ j4 x1 T; w1 \0 ^: W
]
5 |3 u9 z* w( I+ i4 ?) Jlet j 35 S; Q0 A- S1 h5 d
let sum-money 0
' _ m3 W" x! A' u) @while[j < [trade-record-one-len] of myself]
' g* y- i* K4 m[
4 ?, b1 b; p9 D# u+ l0 Yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)) ^2 m! c' k; m% }
set j
* k! ]7 z) [+ U* U. u0 Z& y& i; j( j + 1)& f+ d9 D3 ]2 I; c, ^3 A
]/ @2 K& |' K) c" K. p, I P' X
let k 3# m6 Z9 F3 P! S
let power 01 r3 Z. p) u- y- i4 z) C) }
let local 0
- j; b6 E: j0 ]while [k <[trade-record-one-len] of myself]
$ f4 L5 z3 n! h! j9 A9 N[) b7 W, ?. F; ^
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) 7 i g# p% N6 i$ B$ P8 Z
set k (k + 1)
# O& x% X# r V% V# Q# b4 s]+ D* |$ P/ A, j( D* D6 _
set [local-reputation] of myself (local)
# _0 @, g$ t( h( U7 z, `, E4 U( Bend' S6 A% x4 j2 L- m u. W
3 T: j$ `; }3 v) y& y/ x, d9 Qto update-neighbor-total: w2 o+ B2 t, s
: g4 }6 e: k7 W! z! tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 s. v6 y! {, v& H1 ^0 N- [: D o" a3 Z1 D8 f! Q- M
7 ?' x) e- ]9 q5 L0 D: _
end: T' ?9 h* [6 w4 t, Q! f
; q' E; V0 ?6 Jto update-credibility-ijl
' y- E% C6 m. |) x5 l: u- [5 v' Z. h0 V: g7 B" v6 ]/ K$ f" g
;;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。
" ~6 ^ M7 a& a- f+ \0 M) q( mlet l 0$ O7 x' r% M0 \) O
while[ l < people ]
+ d" ~1 J/ G# y+ N2 `, ~$ `- R;;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
% H+ _5 J4 r, ^/ d- d2 Z' Y[: {' l4 t9 ]9 P* C% Y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ n/ W- Q% ~; Z8 M! o. ^5 bif (trade-record-one-j-l-len > 3)
( K. H" l k$ w[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-one3 {. O) z8 m/ S8 b z8 p# w
let i 3
2 c8 s2 Y; F8 ~) dlet sum-time 0) K6 _" m- M2 w H! X0 a
while[i < trade-record-one-len]
* y" z* Y; g K4 K% u# G3 t% x* t* l[
/ {. C' a, r7 F- ?3 W: Wset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 s. X- I' o* ~1 Dset i& t8 H3 d& Y( x5 `. d
( i + 1)
# [( j9 P M) c! W2 H% ~]
( s" {, N. k: m6 C, Plet credibility-i-j-l 0* ~# M% V0 q# k/ z# h
;;i评价(j对jl的评价)
2 ?3 }9 g* ], X2 u7 q/ dlet j 3
8 ]3 k" o" a* n% A2 Z! Elet k 4
* J A: [3 L$ s2 L3 jwhile[j < trade-record-one-len]9 N' ?3 K1 p6 F/ M. C4 O
[# R3 B# b7 F9 U0 J! [' N
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: s: e7 J4 x" C5 ]
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)% |+ [& m/ A7 Z1 z& o
set j
( ]* S `% X( L/ _' F( j + 1)! N6 O2 c' [( D3 \- Z$ J; Y% `
]
- N- K7 ]4 w+ {. U; t% 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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
0 W$ _5 p- S/ q% v- D2 ];;及时更新i对l的评价质量的评价
" F7 `, @( D+ c. c2 d0 {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 R; p7 i) y/ b6 |set l (l + 1)
# k( i( A/ W# D]
0 l& A) }- p4 X, P* U' B$ s7 h- bend
5 ^. h- R! T2 @1 m, z3 z: P+ U! a7 Y( f8 I: v1 l
to update-credibility-list
4 j. H9 D$ X5 G( @& E$ s+ rlet i 0
) v0 {2 x& h. Qwhile[i < people]* C8 H* z3 G4 a @- s9 R
[
! p0 ^4 m" b% F+ A m6 {let j 0( Q$ i2 g) g& a1 K/ {8 F7 P' X
let note 0
- g4 M+ K: j# U5 Rlet k 0 I# u; p, H+ y8 R* Y
;;计作出过评价的邻居节点的数目
: L$ f5 r( t! ~while[j < people]- ~- q/ P, P3 p o1 e+ {) R- I' Q8 a. ^
[
2 @, T7 _/ \2 P! i. G7 Aif (item j( [credibility] of turtle (i + 1)) != -1)4 M4 h' P! w! Y
;;判断是否给本turtle的评价质量做出过评价的节点
( O5 @5 s. p" ^. U[set note (note + item j ([credibility]of turtle (i + 1)))% ^9 \) s! n+ k' A0 {6 ?
;;*(exp (-(people - 2)))/(people - 2))]4 \6 I# [( J7 ?* L* a' _
set k (k + 1)
/ Z, ^% D |0 W- M* }]& c$ r" F4 R3 V$ D( t4 Q" I
set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)% d$ W# Y* x- L; V7 d1 g
set credibility-list (replace-item i credibility-list note)2 t. S7 s: {- e' D- J, X
set i (i + 1)9 F% h( P, G7 ~! f$ p7 b/ z' d
]
% q" ]. Z% o( o, _% _5 Vend
- j; y: p7 S; c+ E% r# @% k$ V+ D. y, w, e; J( K
to update-global-reputation-list
9 `+ D' ^6 p' wlet j 0; u" L* H3 S+ H' q. v
while[j < people]) \! F( h+ _( g! s* t
[, W& _2 W1 t. b6 O; F: e4 b }
let new 0, B# a e* I1 M, O3 E
;;暂存新的一个全局声誉& u- u# E3 h l2 K8 ]
let i 06 O K( ?+ u4 _7 r. ]2 i
let sum-money 06 m/ w' v# e9 X3 ~
let credibility-money 0! _+ D$ j7 M+ E9 X% T. v4 P
while [i < people]& o4 X2 ]+ I ~9 T6 z1 v
[' y% u0 e+ f2 }, i' a; v5 v1 \) r
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): d9 N8 I, X3 T8 V" X
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& b9 g: n0 j( p! r, | F! Sset i (i + 1)( ~- F X# k. M$ G! V
]! w+ d8 E: D8 n4 a5 O% h5 y
let k 0* g7 J4 a8 [: K* H6 j' X4 h
let new1 0% d7 n1 m6 C) P( E5 B
while [k < people]
, Y7 J( M( c/ w[
7 A4 ^% L6 s4 t2 o6 Gset 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)
! H2 {3 L! D+ h6 _, Z" E. eset k (k + 1)) J- X( m7 E4 U Q% }
]8 C) ~0 _' h, \$ z" T- I, Q& H; m
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: |- ^, x/ x0 Sset global-reputation-list (replace-item j global-reputation-list new)7 S+ ]* p) ~! i
set j (j + 1)% d) l8 {, [+ _( l5 }$ q7 f6 o
]# r$ s, q! e: |
end
6 y0 |. x! \5 d# i% C5 ^( @* p* E9 ]$ G5 D$ q
2 j# I. E8 E4 M" ~4 W; f2 t
( C8 F) b( G" a( d6 u# B
to get-color8 H4 K0 z) j' r( R6 f
4 f* @4 p6 L3 i. xset color blue# o/ z$ l% x8 C
end- ]) D6 Q4 w3 \8 v' Q$ o' ~8 `
4 z6 [. f6 _ y+ p9 I m* \! _5 yto poll-class
! U5 f# K S3 Z( i [& ^end
% g8 e8 I; z+ Y5 W$ G: D( O2 i7 {$ q* [! L
to setup-plot1. G7 B1 n# ~& W7 z
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set-current-plot "Trends-of-Local-reputation"6 w* K7 E, U R0 Z+ j
1 |' R3 I5 a! l3 uset-plot-x-range 0 xmax' D1 u; q$ L8 F; z
5 _5 ]9 w8 A: Y( o4 u+ p, N6 @
set-plot-y-range 0.0 ymax
2 w9 Q0 c) K2 b( ?: tend
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to setup-plot2
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set-current-plot "Trends-of-global-reputation"* i6 e6 T/ ]7 Q0 l3 L9 V
1 E, `, X" Q- U: d
set-plot-x-range 0 xmax
9 s& K+ x( ^; N3 K, `8 K1 N$ S0 v& h5 Q0 u- h O% c
set-plot-y-range 0.0 ymax* k1 ?9 l& S8 u0 ~5 d _/ l! M
end7 ~- O: J, d8 h! d: W0 I7 @
' q; a$ i' N5 S) Z& L
to setup-plot3, @0 T5 Z6 S4 Q4 M8 M' l
; f% a7 M, r1 w; X+ ?# jset-current-plot "Trends-of-credibility"7 ?1 Y: e. h! t8 p. g9 M: J$ X
8 J8 a# p% C+ z7 Z" kset-plot-x-range 0 xmax
7 Q' ? c0 c3 x% |8 B
5 R% `- r' A7 Y4 D$ _6 q ~- Fset-plot-y-range 0.0 ymax8 `( V6 [( J, i" `5 U6 x
end) r3 }2 ]$ O! m3 c8 v* o+ \
0 b# K7 b" |! o8 [9 S- K" ~3 F# Xto do-plots! `5 F2 q/ P- r& L4 a& M Y# |
set-current-plot "Trends-of-Local-reputation"1 t) `& C) C3 e' P1 o
set-current-plot-pen "Honest service"/ c4 f" r$ Q& n& \
end
( ?! N& X/ {3 S7 h! u5 r
: u4 g, P. g: C[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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