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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 H' S' g3 O8 I! I( @9 gglobals[
# c5 @" `! F$ J4 \0 s* t; ?xmax
1 l2 x! A- v. z T- Qymax
3 B0 J3 I c0 F: ]2 c; tglobal-reputation-list% V! V0 S3 y2 A3 N/ k
* c4 q1 }7 M2 p;;每一个turtle的全局声誉都存在此LIST中
" i" R( y i/ d4 [7 t5 pcredibility-list( H. K V( A U2 L
;;每一个turtle的评价可信度
' b G" S% w( r2 o5 h# l+ e3 R9 Fhonest-service
4 p$ U# ~0 e2 u* t0 L {unhonest-service
* r& u8 ~- o) |* Joscillation
# F0 \7 I: G; y8 e0 D$ @/ _. `2 _( yrand-dynamic
- M) A8 d; P; \7 O& I$ g* }]
7 @# ~* c6 e* d$ N9 z6 E5 E5 P9 a U Y
* l6 q2 \' @$ bturtles-own[
2 V* [0 j3 g6 |3 u% I, Ntrade-record-all
2 z+ B' o1 l" T0 g- k& [% U) Z: P( i0 x;;a list of lists,由trade-record-one组成
# ?8 i% u4 d, o M' V* K6 jtrade-record-one& `* r w2 Y, `3 u* O
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
9 q; y& t' J) B* w3 @8 `, b- L) n6 k1 D" e0 E) i# n! s2 J
;;[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]], E0 r# x. s% ~$ D
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]* j6 g1 R1 R' w) c
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
2 A4 z$ r- j9 t* T/ K# t3 @2 `neighbor-total
; n1 [8 f7 H! T" n6 Z, b0 Q7 ~;;记录该turtle的邻居节点的数目
" w" ^4 M* k6 }6 M& p; `trade-time! o! H( A% k% x
;;当前发生交易的turtle的交易时间( j. S; {- e( M3 H0 Z
appraise-give+ y: E+ n' V( N" D p/ N2 E
;;当前发生交易时给出的评价
" j# {1 P) t# V. n6 qappraise-receive& d# u4 ~3 ^" T1 F- k, M3 q
;;当前发生交易时收到的评价. J8 ~1 B2 F* p# V, d
appraise-time' E2 {& a9 Q0 d
;;当前发生交易时的评价时间
2 ~# Y- z! p0 w2 `9 z2 Y. nlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉/ F4 w& D+ C, F3 \3 n9 u
trade-times-total
! k* k$ ^3 n! t6 c9 Y;;与当前turtle的交易总次数1 `# y6 _( _' x1 I& r5 }# h
trade-money-total
4 R% f! V2 p( C;;与当前turtle的交易总金额3 g) c3 u5 L) M8 }% @, e
local-reputation
9 x" g: R% ?8 D ~& E3 H1 Uglobal-reputation8 d1 p/ C A& o# `: ~6 W/ G
credibility% t8 V+ z, G E$ R9 v$ [; }% h
;;评价可信度,每次交易后都需要更新
; S& I4 h! L( a+ scredibility-all
! r: c" R2 e6 r' W7 n2 F1 [1 ~. H. J1 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
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;;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0.58 c* ^. [# q' N1 S; T4 Z7 Z6 A
credibility-one6 u) L+ o) j2 S5 x/ Y: y0 l0 S4 K
;;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) L ]3 x: X* Z
global-proportion- \+ H+ V; `2 u' P; c" Q* o) g
customer9 j" M8 O9 b" c% x
customer-no3 d& I0 N X% h0 x0 J( v R4 N
trust-ok/ F2 Z0 n3 n- G9 k" T# B
trade-record-one-len;;trade-record-one的长度; }+ @1 N3 i3 S1 h* }( U7 L
]
! E" C/ d3 T5 c# \% I2 M% L' M( A1 t, Z) i# J
;;setup procedure6 o: F8 V+ M: u5 x8 j# p
" \4 o) w( U: lto setup* u. m6 m* Q! M) A/ D0 u% h& c
0 d3 L3 F. \4 M/ ~) ?+ Lca
% `3 M& Y9 n: O% ?/ F; l/ b/ a- @8 ?2 {, L6 ~
initialize-settings
4 E i' k3 ]8 `5 S" L1 Q7 m4 [4 T* O3 o+ m3 Y' `
crt people [setup-turtles]' s+ L" b3 S1 ~; @/ V6 G- a
4 M; r ^, I8 |+ u1 W1 d
reset-timer$ x; W3 w7 _/ y0 \) q
% q C6 s& E, _2 m
poll-class
0 p( L$ {$ g8 m c9 {4 `7 }' h5 u3 E/ `
setup-plots% z2 s0 @6 A, Y" b2 X
6 d$ A9 t, ^# Kdo-plots
9 Z- f9 p5 n9 ^( N* L- Lend5 m# B- {: l+ i: e' o
( C+ k) L$ t) H- }9 i
to initialize-settings
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set global-reputation-list [] }: O" F: H# O k3 D3 [ C+ ]
, W9 I" g8 N8 Eset credibility-list n-values people [0.5]: M7 N: @7 r. Q4 i
/ Y8 G' P6 _- I7 e
set honest-service 00 V, u. t k3 w% X' K5 U
* Q6 t! r9 K- f. E% t3 T! s1 c
set unhonest-service 0
) f- E% d. F0 z4 c9 Z Y
1 ^ A" U+ G/ z; l1 mset oscillation 0
+ ?9 l* N0 d; Q: i# C, U/ z+ G. m& B. ?/ V$ z
set rand-dynamic 04 \4 n2 u0 }& m% I& r6 ]' V9 x9 ^
end
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to setup-turtles
4 }# v: |8 X L0 Y+ K, g5 q, I$ c0 tset shape "person"
, x) Z" r' L; o+ @" R( f3 n7 ^ Psetxy random-xcor random-ycor
; s- }& L' D- q/ a9 X& w6 r. {set trade-record-one []3 N" T- G# E" ^& @( S0 W
+ E( n9 U {1 {set trade-record-all n-values people [(list (? + 1) 0 0)] % r- q; K! f, m( D
" O7 B5 x, ~8 L6 Z
set trade-record-current []* c, |: z- c; Q% Z* h
set credibility-receive []
( x( V7 j0 i/ |+ x% B! n/ `set local-reputation 0.5
! @, p o3 R$ W8 Aset neighbor-total 0
) d% T7 t. Z; h6 B7 I* s" O& |set trade-times-total 04 H, j4 g8 `, R9 `. W
set trade-money-total 0$ C ~$ d5 C; d
set customer nobody
( ?: l {6 K; f2 r6 G& ?# rset credibility-all n-values people [creat-credibility]1 w$ `, w4 [$ f7 E( v
set credibility n-values people [-1]7 n) @6 `3 h7 Q4 _0 B2 o
get-color' v( s# H3 S) v! A# U1 q% G% s0 p
) C ^! L; j% O0 ?' E; |5 @- n& L
end
& z' s- s* y* i* Q: c+ I
1 c( ~. W; r9 f+ cto-report creat-credibility
S2 ^. Z. f! i' T/ Yreport n-values people [0.5]
4 u: B* C: V" W) C1 z% s% o/ yend. G, W9 J' ~/ |2 u- @8 s" G$ p$ ]
# \" e& o5 G8 `, }9 [: eto setup-plots3 G2 k- R) s, Y8 t& W4 P( g% X
- b) ~9 c, j8 {" Z2 r
set xmax 30( I q# w+ e9 |) a
- c- H/ q" B4 @. L0 u1 m$ u) |' mset ymax 1.0( j$ \& x& X0 w
/ e# t# e* v1 z" x; q& F
clear-all-plots) g. f. ?+ Z) ^5 y
4 b. q5 b" ^+ z8 f6 K0 h. D
setup-plot1
2 D, T2 a; d; X' x
+ w5 b A+ Z/ S3 _% R/ osetup-plot2
8 k( I+ G( d/ c& y, o$ D0 X# a
' n W% b' N, y8 ?# ~setup-plot3
# R) @! J+ D+ s8 } mend0 h4 C* U C( T, S0 k
% i4 q. g; g% O* n9 ~;;run time procedures( t2 `/ c8 A1 a/ D
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to go
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% x- O# j N8 J! D; E; Gask turtles [do-business]
$ k5 N2 ~- l5 l" o9 {; ~, V- nend
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to do-business
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! J3 ^8 X! U0 U9 H6 X
6 w# |" @" B0 X- V2 o" wrt random 360
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fd 14 b5 ?4 R0 i# V: Q1 w5 O8 G# }
# \& `3 i+ J5 h6 N+ \
ifelse(other turtles-here != nobody)[# e2 E' N" g# N- H: M) V
$ Q4 W" g- z( g8 q" P% X
set customer one-of other turtles-here. B& J* ~* g+ [9 y8 s2 Z( x7 N
: h+ U+ l* C$ f& u: D4 C0 ^;; set [customer] of customer myself/ B L3 [( y9 Y2 y0 i
" g7 c6 e m$ g8 Hset [trade-record-one] of self item (([who] of customer) - 1)
9 ~* T/ a6 `, O5 C' o" ][trade-record-all]of self7 U( }( R& C7 \& r8 S
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 ?( y# ^+ p/ Z% t8 i, b
; \/ L, a& A9 V! `4 w Wset [trade-record-one] of customer item (([who] of self) - 1)4 m; j6 ^9 K- q6 f/ g0 t) F+ D* w9 q
[trade-record-all]of customer
5 v6 t5 Q7 k, N) ]* y* ]
& Y# E% \* ?0 C: \* `! ]; X8 S% Sset [trade-record-one-len] of self length [trade-record-one] of self$ h# l0 j& w. s X$ {6 c
A/ r# j( v, |/ B8 m: e( s) }# mset trade-record-current( list (timer) (random money-upper-limit))! i6 g7 _ v' d( [4 V8 I6 \6 e7 m. B
- C4 U) c; B: n6 i: O; e Jask self [do-trust]
9 n& R% G$ J7 s5 ^( T;;先求i对j的信任度# P* \, V- p( q9 s
) V' `7 \5 ?+ i3 x: a4 @, kif ([trust-ok] of self)" i$ g; e2 f }
;;根据i对j的信任度来决定是否与j进行交易[
% L" {3 K; h3 l, J7 yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself6 j7 B# U- [# n
! s/ V7 G8 P0 W/ ?6 e$ [[/ T. E/ T/ g% t9 o" T: v" c F* n& q9 s
. f9 c+ M0 K# k" L3 ~ C% _$ x
do-trade
& c/ _9 R; ?8 t" V! s2 x+ w( c# m! t! y, M6 \: E% i: g
update-credibility-ijl
- @; X0 s* f! B" ]4 u i' Q* D1 y- ~; t9 F- a' V* Q" d
update-credibility-list2 I( o+ M7 N9 m
( }( x8 X3 i% X! T) v" ^
p6 M& I4 A6 g6 w0 I
update-global-reputation-list
4 D' g# b' I4 p2 l2 h! m' M! J b: M, _! W6 f
poll-class
; N7 ~9 [' d: H; d4 C" W" v2 z* T! ] _$ E7 ^1 m
get-color
4 e4 O- W2 [" K& V$ _* D n) L$ x0 L! O7 G, p3 [4 f
]]3 K! I8 a E, S j& y* t
& }: U4 r4 i4 I0 f. l3 Z5 N- T
;;如果所得的信任度满足条件,则进行交易
. w; \: ?" S2 X
9 H, _6 `( m( i4 I* r+ j[
8 E7 o W2 u+ j( q0 h# |! [ M/ a% _0 l* y2 j
rt random 360
3 \( J7 h: |& U9 |. z7 L# u5 Y. e/ E, U6 C; O
fd 1
9 m2 D3 J, k3 g" d6 L
9 T A7 Z6 q& U; k]2 f3 Y& v, |% v& @3 J k
$ F: V1 \/ `& \! ~# g2 d1 G+ T* M8 F6 oend4 D6 M! n# y+ F" |7 e
8 F7 m; d/ i0 G/ {: S2 j
to do-trust 8 @6 r; u. F5 N/ m6 k" u' A7 I4 `
set trust-ok False U' |+ k/ Q0 ?( y
9 F7 T/ H4 P8 Y6 {3 i# N3 }! ]5 p! g: p2 z1 n6 j& O! _
let max-trade-times 0
& s$ f0 X' [4 ?; s( j, ^1 @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 u1 q% L+ s, W1 t* Z8 T. N, Xlet max-trade-money 0
: m. r1 z: t& W# X6 R/ rforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 b) c5 G9 K. Z2 i5 e
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* J& e, t2 P: D, u* K
* `& Q8 N" d4 Z0 X- f9 Q6 H8 n v6 I T% F* G! E
get-global-proportion
5 Q9 r' z9 j- b5 G7 H( nlet trust-value
T. m* X3 K. h) ]- H# `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)' V" I. t, k+ z5 D6 m3 x
if(trust-value > trade-trust-value)0 v+ K5 }$ v# o$ }6 s! B% U) \
[set trust-ok true]0 z5 m7 v8 C" a% N& Q7 e' [
end9 k8 k2 D$ z \
( t- s7 c( k& M7 _
to get-global-proportion' d% a! s0 G. D7 W, J: e4 |: X
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 ?; S+ z% I, _- j2 D" H
[set global-proportion 0]
% Z6 T# w9 N4 K: Q$ ^( l/ ?[let i 0
% k- [1 f) ]4 I* Q' ^# N+ J$ }0 Jlet sum-money 0
' u/ E! w/ j5 z, [, P5 Bwhile[ i < people]
, L5 S7 O7 B9 S) r m+ [[, e u2 X1 _, K8 \! e
if( length (item i
+ q0 q, w P& C, F; d. c[trade-record-all] of customer) > 3 )+ d6 {+ @$ y9 m' _6 J
[; J/ c+ l( j. z: g
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# K8 V J1 C' V6 p) P
]
3 m7 N' p3 L2 t) ^1 V2 Q% R]$ f' A) C5 S9 a/ _
let j 0
1 M+ ^# K5 P4 ?6 y7 Vlet note 09 r% m, P* {: F" k1 @: S% l
while[ j < people]" f- o7 [. e- w/ K6 v. c
[& W; Y6 r% @; o% B) M% \5 R
if( length (item i
9 \' w) [0 H' Z. U[trade-record-all] of customer) > 3 )4 b) g( e6 e- x+ k7 {/ Q5 j6 _+ }: d" y
[$ O* B& d" F8 l: ?7 ~
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* s* l8 A2 ^0 m( l* c
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 s2 b" y5 h( |8 f2 A1 Q4 u% X" D[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 [7 J2 m) k& f' I+ h2 n- U* n* r
]
. W/ J; _9 y5 R9 @4 p3 U]
" w; g; l2 j' @9 e$ R# aset global-proportion note; |& d. V i8 i% B
]( I; K X& ~8 H/ @7 c4 D% V0 ?- F# z
end
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1 v8 P" |2 s6 j. P* U8 Qto do-trade/ a2 F8 x5 ~2 l1 U* d i
;;这个过程实际上是给双方作出评价的过程* q8 w7 I3 l# k( Z6 m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价4 `5 p+ m$ l3 f( P
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 ^- a6 Z% z8 g# a. U0 P6 @' C3 ?set trade-record-current lput(timer) trade-record-current
7 B5 a, o7 y& B;;评价时间* D& N3 X4 R( C) u& y, e S
ask myself [
8 Y, J, l7 U) r$ B) I/ Hupdate-local-reputation
; T0 p% i. U9 s" Xset trade-record-current lput([local-reputation] of myself) trade-record-current
5 t9 t1 C" _. i& L% l]4 M, }) v! @. j( {: c
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 K( Q3 d a, I2 R;;将此次交易的记录加入到trade-record-one中
* |2 K$ w6 l7 uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& ~2 \+ t# S8 [; N |
let note (item 2 trade-record-current )
* M- X k7 V3 a Kset trade-record-current
3 \. e4 _: j, z5 X4 O1 [(replace-item 2 trade-record-current (item 3 trade-record-current))+ U$ ?3 V, {" G; g7 t0 C$ Q
set trade-record-current
" R0 f/ u% o: e. S8 @(replace-item 3 trade-record-current note)6 U7 W7 B& P- u' U+ |
* z" W: D( [. ]3 Y0 v
7 f c) _" x! g' K7 Dask customer [
- C) C- I: h5 J) I" Q& c cupdate-local-reputation5 V: P- w1 v7 L e
set trade-record-current2 t# y0 ^; B8 y4 n
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
A3 k6 e, A: w% d$ l]% g5 H- v) }; I* C9 i. O9 H
# ~! J4 M' t5 F4 U2 o$ L" s6 a- v2 d
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 M" J) z7 B6 v7 n5 M J# a L" @ G* Y- s' @' o
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ o' d; Q, R, f! _0 r
;;将此次交易的记录加入到customer的trade-record-all中
- s0 i* E* W% e; rend/ @5 \# H7 r* V Q# }
% n* r4 d; t" Gto update-local-reputation
: _ I9 ~3 _9 h& z3 k% {$ ?/ {set [trade-record-one-len] of myself length [trade-record-one] of myself: n9 \/ D! _, F; y' o
. W6 L# W Y0 C8 r
( @: X; j ` M4 X- p2 n. u$ P/ m
;;if [trade-record-one-len] of myself > 3
7 o' C( n8 U M( d) v6 f6 |2 nupdate-neighbor-total! X) n3 e* r& Y) R9 K
;;更新邻居节点的数目,在此进行+ a+ K p% p# T/ l: m
let i 3 o- p8 S0 k& J" z* F q
let sum-time 0) l# {7 S( B' ]4 y; L
while[i < [trade-record-one-len] of myself]
: q5 q* B+ t% {! I[
" M& L% j3 F5 z; x# Y8 C: aset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ Q4 b5 J, D& C. U0 D/ Kset i
& ~. U0 Z+ a& H; K; A$ K( l& o6 D( i + 1)
1 B& e- v0 A( j/ v, {], M7 p0 h1 W9 c
let j 3) c" M/ r' ]5 s: G5 z
let sum-money 0: q! ~. r, ^4 I: _
while[j < [trade-record-one-len] of myself]6 N+ g1 |9 ~$ f: H+ K+ G- J
[
6 o; L6 g& q" ~6 r1 [) [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)8 ^. z" \/ r6 o. a2 W# J
set j" E/ O3 ]% D( k# a! C
( j + 1)
3 ]6 ^% h: w; G2 n]$ A4 G% j$ \1 h5 B5 [3 X
let k 3
& S# v3 B2 e' Clet power 0
5 I; \1 S, U3 c% s% s/ x; _let local 02 X. y0 V0 d' I* o% W M
while [k <[trade-record-one-len] of myself]+ z% g) L; T( X- w' `! t
[# p. }9 z W8 R2 M
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)
9 [. v1 R/ t5 @) ]) F- A4 Gset k (k + 1)- I+ K. S, w# l3 Y* A9 B
]) _! C- A6 j& |- }/ Z
set [local-reputation] of myself (local)( ^% |9 ^. @7 N5 L
end% C+ C! B+ \+ r- B# C2 k5 W' |& }
# r4 w% z6 c! ?$ D1 [3 M" l) q
to update-neighbor-total* o6 ^6 }4 y. O1 b
# p; u8 j* a) B, ^2 _if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
[8 F& M( M- _8 A! g* |0 S9 E9 _# W+ G$ k# y! u9 ]) I
" k. w# _6 a+ b' S6 u) y' kend: F! x' b+ W. ~2 C7 l
' [; [0 n# T7 `6 U5 z' b
to update-credibility-ijl r r0 a2 g$ f* t' a
; _% O( k# q- p7 v0 j3 O4 |
;;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。3 ` V+ M+ ]1 `( z. F- T9 M4 s# T, X
let l 0$ M; }* s1 m$ G: V
while[ l < people ]. Y! c, M+ n: L& H
;;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# c' z, T5 b, X7 L( H/ q* e
[% h5 _1 n0 {) A9 ]
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
o8 a" J3 g. u6 o4 `% }if (trade-record-one-j-l-len > 3)9 t s8 ?# t$ s# j
[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" e7 u1 @* G- K% k! f0 v, ^
let i 3# @ a8 e# }! h5 _% f: b$ w6 ?6 M8 ^1 z
let sum-time 0 u- m5 u2 G9 U2 `$ T7 a1 Z5 ~! z
while[i < trade-record-one-len]
* l8 n8 y8 |$ c+ d9 @9 p. M[
- Y9 K6 a. ]! fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ w U5 ]# W) |0 u
set i& m' [' Q O, v: p
( i + 1)
) ~2 v* {6 ^% t; l1 f" s0 b]: z! J m9 }9 p: z1 _% S
let credibility-i-j-l 0% H' s7 n. T4 i
;;i评价(j对jl的评价)
- P# `' H8 ^+ b- e0 p+ \$ B Blet j 3
9 G/ `9 J4 V' B* ]" n+ |/ E8 M% Olet k 4& {& V% r+ T9 a+ M
while[j < trade-record-one-len]) h, S" r9 u! S) |4 G2 {& H
[7 j2 b) ?; B( } ]
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 `2 W4 U2 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); h7 V. q1 H# q8 h! Z
set j2 X, K* C8 @# a/ S" |/ _5 m {: `
( j + 1)
|4 |4 v, o7 v. Y( z]) a% u) t( T- ?1 @
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 ))
S. T. |) f! }3 L' u
7 Y" J/ ]! c+ v- c e- T1 L. o7 n# v, t, g- Q" L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 n1 b8 i! X6 J) N2 n;;及时更新i对l的评价质量的评价& H+ e# ^1 @9 I( m% v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 g/ ^3 w7 c% _ l; s. @4 yset l (l + 1)& B+ a: p& q. z. @
]
8 c. p) ~. i* a B. @5 J1 Jend& k6 I4 A0 k! |) D- P6 R7 h
* D/ P8 M a) m% j6 C- b" l
to update-credibility-list
2 }4 ?2 q/ ^. F+ Y y, a& U1 ?let i 0
& e, ~& r# t' I- U4 iwhile[i < people]
2 b. Q9 b2 q F* j" ][ C+ E8 l* ?% {, Q. l
let j 0
4 d! i q; m7 Jlet note 0
* n7 b% z0 k( N; @/ T- Tlet k 04 F/ t7 J8 \$ g5 A5 L& M
;;计作出过评价的邻居节点的数目1 k* ^+ k8 h0 _# i! X, l- y# p
while[j < people]
4 h* j- h' R( ?. i" c[2 [' S f* g* ~% C4 m2 t
if (item j( [credibility] of turtle (i + 1)) != -1). X7 @9 `+ ^# T- U, h, P0 g/ P! [
;;判断是否给本turtle的评价质量做出过评价的节点; l: U* Q5 k& t1 H7 u) @/ y
[set note (note + item j ([credibility]of turtle (i + 1)))/ ^' x+ h% k. q6 G! s' n
;;*(exp (-(people - 2)))/(people - 2))], ?7 f" t" V# B2 ?1 j3 v
set k (k + 1)# O$ _7 A6 u K
]
, q$ a- J, s; l% kset j (j + 1); J9 m% L- l! [/ A
]
5 P9 V) l' o. y, v3 Jset note (note *(exp (- (1 / k)))/ k)) J" y4 Q% v# e9 G( C$ M
set credibility-list (replace-item i credibility-list note)
6 P. H7 a1 i5 a' q4 Q: ~0 Z5 ~set i (i + 1)
/ o' h4 R6 L9 N | _/ {7 I. F]
' B! e: V% W( W+ _7 \6 ]end* J4 u$ i" F' G$ D5 B2 h8 x, U
" I( v1 M4 Y; g* }9 z5 ~to update-global-reputation-list. E8 W% f( g5 p" Z) j* R3 }( k
let j 0# k4 T/ a- B# r
while[j < people]
5 j& S0 c8 \! K( w3 k" L Q4 S[
$ t6 h2 ?6 Z4 O6 F0 |; xlet new 0
8 y' R" s- j3 `;;暂存新的一个全局声誉
* A8 m/ {6 Y8 ?3 c( P" Vlet i 0
N6 Q. M3 U! R+ u$ r- K5 ulet sum-money 0
' E: k, W" d/ c8 y/ i1 Vlet credibility-money 0
) Z; u8 x! z/ E5 `& D7 Lwhile [i < people]% K7 |# h' T9 S8 c: p* m) d
[
0 |2 R) c+ m4 a6 Uset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 s. Y: |5 |5 W! N1 `set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): \* w8 Z" Y6 U, {+ C
set i (i + 1)
4 z8 @9 S* m& ~) v; N! j! d]
1 S) E0 t' `6 Glet k 0! g3 e' F; h- Z9 I$ G0 T8 |/ k
let new1 0
) T P0 R& O' z; W- Z! V2 @& uwhile [k < people]
& c* w7 j8 Y. |* b0 }1 r: E[
7 {, _+ q" B2 G4 e: nset 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)8 H7 z2 b3 \4 p2 f2 x+ S. r, B
set k (k + 1)+ u6 ]; Q5 U0 Q4 Y" i7 H- U. y! s
]0 j" m: z9 I+ e$ p. c+ J. d
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 t' X& w' g& L
set global-reputation-list (replace-item j global-reputation-list new)
& y) F o' n- ^$ d8 a$ wset j (j + 1)
+ e7 }0 r! Q8 @- [& A0 b m]* e/ x9 S& r% x! ]/ x& O' e
end* t5 L3 S( [/ w" C: Z$ S( w6 s- Q
0 @4 w2 o0 M) H! Y( n
+ o+ e' z" H @8 J3 T5 L( {6 K0 C& y) W0 J6 A
to get-color
( X7 D. k4 \( y& F" y( b6 W) X" `9 \; R0 o# X) r/ N" ?
set color blue8 {# e; n1 _ [7 t( T3 c4 p
end
r( V" s; A5 g: q) V& ~+ g3 j v' `
( P3 T0 T+ `& X J- O7 Yto poll-class
; t8 b; z1 A7 ?# T% P% Qend
5 |+ o7 Y. ^. M8 O0 u2 }* A$ h& }5 k+ L) {! U0 P4 m7 m$ _
to setup-plot19 }6 v5 A/ q# O+ M8 q, l4 d0 n
9 t+ J0 j# m7 R2 o$ W# i
set-current-plot "Trends-of-Local-reputation"
Y0 ?. w a# N A$ M
1 ]0 H2 u4 T0 W! \# g q6 m/ Aset-plot-x-range 0 xmax
9 D$ ^' s* n# r3 D3 S+ Y1 w" ^5 k! }4 Q
set-plot-y-range 0.0 ymax
& h' V6 Q" I# U5 send1 o9 S" z- O/ `7 I& |; D) w" C6 q( u
3 `8 g g' W: h% [: z' |$ @: Xto setup-plot2
% l+ X4 O0 y" t/ h! v: s- W& M" D! C) }# X
set-current-plot "Trends-of-global-reputation" Q# F% ?* q- f- ^
( V9 d0 i3 B8 ~% E
set-plot-x-range 0 xmax, G. \0 }4 j2 }4 L2 ~( r
4 F# e0 B) O+ n w/ Hset-plot-y-range 0.0 ymax' j" d! k7 ~2 q
end
( }- K3 w# w# O5 `! J/ ~- j( R8 i- {' E' X. d8 H
to setup-plot3
. N. l; d& l6 ^6 n5 G+ a5 V
( c" A) {6 }. T+ }0 v* yset-current-plot "Trends-of-credibility"
0 _: G- x" I: e9 B3 s" ]6 T8 d" W( d4 d# N& m
set-plot-x-range 0 xmax2 Q$ l1 Y% q1 E* ?" i) _: ^) i
. h3 h! L/ x1 J4 h
set-plot-y-range 0.0 ymax, y) Y$ r8 W( `
end& T, Z: R% P- d2 b3 r& d: M8 l8 F4 z( ^
7 W1 s0 a% E( @, s1 _5 L0 J
to do-plots
8 ^) f, W6 f8 |( `+ F3 kset-current-plot "Trends-of-Local-reputation"
4 w$ Q) K( h( ~5 u: ]( Gset-current-plot-pen "Honest service"* A9 w+ G9 Q0 d% s& {* a; M0 m
end. ^& K# e# d. }- D$ z6 X
[& {) u2 }) `- h# y/ U
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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