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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
5 V4 M: z% G. ^1 W* j) i/ Iglobals[
" `) F2 @" U& c' Uxmax
+ p2 c/ O5 K% b6 T6 mymax
1 I! Q3 m1 i# S6 p: B+ Iglobal-reputation-list8 Y" t2 j" Z ^& k. F- V
0 R$ b; D# w5 E" o: C& a( M;;每一个turtle的全局声誉都存在此LIST中1 x3 B2 ^6 h3 L/ ]
credibility-list
e* ?/ F* p2 g" [' P;;每一个turtle的评价可信度/ W( z# h6 _- N6 T) T
honest-service
- }0 E! |% F4 L5 Y6 m9 M d Vunhonest-service
; J! `$ }0 h# ^) [ Zoscillation8 i* N$ v0 }! E4 s2 J( K6 |
rand-dynamic- R: r. A% ], s* ` y8 B
]7 {0 {. X$ B; \4 g; H
5 b4 Q( d; _, y
turtles-own[
+ P' Q# P7 j# V4 Ytrade-record-all
* J) W+ c0 _6 R9 Q/ _6 ?& j;;a list of lists,由trade-record-one组成
' w" c3 t6 J9 ^8 Y4 Vtrade-record-one
) |; p& X, \) E* R;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 @3 G) @0 \% `' w
) m0 N* d! N4 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]]
$ \8 _1 h9 P( i0 Strade-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]
6 p/ M& p& M" ^0 bcredibility-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* T" g$ N, Q4 w$ D# o" g8 Y9 H
neighbor-total
. k) R2 y% x- x5 j9 x% T$ i;;记录该turtle的邻居节点的数目
9 g3 Q" g: ~8 ^trade-time
6 Y4 r1 j# C2 X;;当前发生交易的turtle的交易时间" @8 W- }! M* F) w: h8 c3 V$ f
appraise-give
) h) q* K2 _# H( M# X, O Q;;当前发生交易时给出的评价
* |4 s( ` L- Y3 }$ A0 c; s; Aappraise-receive
* W" S; U$ c0 a! S% Y l( M;;当前发生交易时收到的评价; I$ t- B/ F) P" ~- N
appraise-time% m: |# [8 D8 n4 E& n& _4 j2 R% z
;;当前发生交易时的评价时间
; _2 b Z q( {2 xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 d& t2 D2 t7 Wtrade-times-total
& K$ P* E' r; g( X) X;;与当前turtle的交易总次数
, V1 U1 d3 |' ?( q3 ntrade-money-total7 a5 S. X2 D: Y$ ]7 y0 s# G
;;与当前turtle的交易总金额. _' R5 ~8 y( T5 t, j' z4 c5 a
local-reputation @) P* W9 z4 Q7 P; e
global-reputation
8 E- F2 z- t2 x) Tcredibility5 u% h4 C, P; _0 O
;;评价可信度,每次交易后都需要更新! q; l6 u `/ R) ?5 E! c5 P0 ~
credibility-all
1 e$ z B6 k0 g& l: T0 w1 r;;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
' Z8 q$ C8 e# @$ p9 T' {- u) O3 x! R( 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. Y& g) e5 o4 _5 j7 t- \) u. S
credibility-one0 g' E4 F6 Z6 V+ n5 h
;;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/ [$ a5 ]+ w m/ |( x8 {) r& w
global-proportion
4 \' ^$ O: r8 jcustomer
7 G9 d2 @6 X0 |6 r1 E" Ncustomer-no
. Y9 R0 X& K' B8 J' Ktrust-ok1 {' B% v& J) o& M5 P' P0 g
trade-record-one-len;;trade-record-one的长度9 a4 ^: s% G% q( K+ |
]
$ W/ B6 K9 l: E$ ?" f$ _. v( i; ^( ~$ x6 C# P! Q2 l
;;setup procedure
/ C8 [: @+ O( a/ \ }! x/ ^: x0 t" Q* R5 Y8 U( v5 h/ f
to setup
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q. f4 A4 u: V4 P3 `4 B0 p, u. bca
/ O2 I) y* i& s: Y6 ^- N" V/ {
+ Z+ h: r, }6 j+ ginitialize-settings. F$ Q( ]* W$ k9 U: E# u) `) k4 w, d
& P. x. |) B0 Bcrt people [setup-turtles]
2 y1 _" N7 s/ O2 T& N$ s; o" K2 J5 g3 C" q( U
reset-timer c4 x2 B! }% u: h
4 ]6 F: r! w* V, w
poll-class
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: R1 R G* ^: Q+ g; G3 Qsetup-plots- r# t! J1 X9 V7 E
8 z. H3 t) m2 I! `2 ~4 {do-plots
3 ?! A y' f F' J' i9 `end
6 [/ N' y3 M. x7 P" k6 M* Z, Z( Y1 G+ r2 E) p0 L
to initialize-settings
( z' ]) I( }! C: j' y9 A
" u; a9 A) n% s# ^- Gset global-reputation-list []3 |6 {: X6 ^: M8 L* |
) p' E( D( [! bset credibility-list n-values people [0.5]3 k3 U; ?& C. A& j* B6 N
8 h( W% J, k' Mset honest-service 02 L$ y# @ y4 w2 Z
( A4 s0 T+ }' @$ L& }
set unhonest-service 0- N6 S& K& j _; ~7 t8 ]
3 P# ?1 Y, D8 p. J6 h/ ?4 L5 Q0 q
set oscillation 0* i' r; N3 i, V
* o3 ^3 w. Z: G M, e3 B Z
set rand-dynamic 0
% z0 C3 ~! R5 x# B- g5 ^3 X! S+ |3 c: Iend
$ l! B! w5 U/ K ~* P; V c9 v% _% u: D! Q3 }" D7 ]% s! Z7 q
to setup-turtles
) Q4 g! T2 j6 s9 M9 s& a8 x! o0 a6 bset shape "person"- w% O# I! g' T$ P6 r
setxy random-xcor random-ycor$ r" K9 [/ m) a# e
set trade-record-one []/ B+ p: u6 T Q4 b* M! a
% M! \* l" r+ M+ e% J+ lset trade-record-all n-values people [(list (? + 1) 0 0)] * _* N0 `; V% `0 m5 Q( K
/ g+ S# m. l- ]& j
set trade-record-current []# p( O5 z( h3 ?/ X, B
set credibility-receive []# ~ r$ n$ u( H; t1 M& _
set local-reputation 0.5
# u J" r( K0 l5 gset neighbor-total 0
, V- [) s% X" X, m4 s* Gset trade-times-total 0* k- \( A! S, W i& t
set trade-money-total 0
5 d, M! W; f3 M; N( Lset customer nobody
1 J) ]' G2 I/ G- W4 ~. _; g x: Uset credibility-all n-values people [creat-credibility]
' G4 L" |6 k; V f1 g& t% ~set credibility n-values people [-1]1 c; r! h+ G. ~6 K; z. t
get-color
$ ^, }0 o/ }8 b3 P0 E# `( ^
' [; `1 ]& ?! U; bend: n. G! s+ W8 W$ p" @- ^5 s5 h3 f
- N& v& d4 [$ V" Xto-report creat-credibility
& [. G% J- r' e! ^7 jreport n-values people [0.5]3 J' x! z, {! G2 T) Y7 ]% }: a
end
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to setup-plots `! l( R4 G% }8 [4 y" A3 X
* ]% Y0 a# K6 e$ X
set xmax 30
; B3 {0 M5 V; q# E' L
8 g* {7 W ], x, a; j6 z0 k( Cset ymax 1.0; W! D+ v5 s; T9 `, e
9 ^' v9 v& M7 \4 y5 vclear-all-plots
' _: p, b6 ~# v5 ?2 _
0 V3 D) K) f/ C* t' x: bsetup-plot1
2 z' P$ y+ l) T& r' J, C
2 a: h4 R) U7 d& K! _setup-plot22 x, c$ y- v* ~/ S
( M( r h0 P# Q/ q( m/ h6 Wsetup-plot32 c' } T" w. a0 W) n+ Y
end
, g# P' h7 {$ W, `; y$ ^: S5 G4 M( j9 w; B6 m5 x: \" `
;;run time procedures
; h: G: c) Q9 N
5 G& ]/ M, K2 ^/ ]( Hto go
U, U" _/ {- x0 E9 d/ a4 ]0 Q/ m1 v% n
ask turtles [do-business]
( e' @/ o1 r! u; X" \6 c, @7 xend G( |! W3 W: x% \1 V( ~: ^8 |, l
: X% e; D" `& Z$ I; }to do-business
0 {5 X6 V# S; f" A. x6 t
3 F8 ?* A) B1 {( m+ z) J* ^+ v" ]& p& e: \
rt random 360
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7 K( \6 _( q7 b; o/ I/ pfd 15 H8 l8 y8 d! n% Z3 x
* Z% l. m& e3 Q% N; c5 @9 X( l
ifelse(other turtles-here != nobody)[6 C0 H& A/ N: F% E9 I8 X5 E
' Q: ?" M, [6 D J' eset customer one-of other turtles-here
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q! ?& i! U; z T% ^;; set [customer] of customer myself
B- Y1 s( ~- @( N& Q, e" I1 @" I
set [trade-record-one] of self item (([who] of customer) - 1)3 R/ Z, d( I: [9 r
[trade-record-all]of self
) L. z6 m! f& J0 p4 p+ c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)# D+ V a1 a/ {. |! y9 o" L- j4 _
[trade-record-all]of customer
! c3 V8 @/ w2 j% }& P$ q
8 H* T8 D8 }5 M& w/ Xset [trade-record-one-len] of self length [trade-record-one] of self" c2 u1 a5 l& q1 s" h
. j2 G* ?" m: O
set trade-record-current( list (timer) (random money-upper-limit))
% K9 ?- }% T& h7 g _
( U& w" J# v5 w/ q! c$ Sask self [do-trust]" g* ?7 t$ `* u* W
;;先求i对j的信任度
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, r" C) W: s. s: K$ R \ Mif ([trust-ok] of self)
! D' R5 p9 R8 E- e1 i! N- Q/ {9 A;;根据i对j的信任度来决定是否与j进行交易[
# z* O* k( ^$ J# B, `6 ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: Y d$ j D0 A8 T& f
8 Z" }* m3 C& a- Y[
2 J2 V8 N# T+ ^7 }0 E) [9 U) P" q
do-trade
' }0 ~- K3 ]; l; N5 O
6 q( o( t2 A" D: F) ~) Z1 ~0 cupdate-credibility-ijl
$ Q; Z$ }, U% l/ L$ q+ c! w+ ~
+ u0 ?( c6 ~9 l3 Oupdate-credibility-list
q0 r& |, ]5 r- a8 S" f
1 z6 f4 b/ ~+ G& Z, ~* a B1 u* L4 A9 \. o
update-global-reputation-list+ m% k5 g; [; Z9 w! x5 J. p% \- m
0 s7 d$ V. n7 K, a& r
poll-class2 |! W3 p% B* ]) w9 H, E
( ?) l" V# j/ a1 g$ u
get-color" I! k/ X8 g! e$ F! P5 U
% n& }! q$ ~; P. a]]
9 f, J6 h ?7 A" \4 X
& P# p- y0 p7 _ a0 C* ?$ r;;如果所得的信任度满足条件,则进行交易
: j7 r9 B; @3 `( `
8 |+ c F) n9 \* f8 j: A[
+ r5 b5 b; S! P- }9 R
6 Z6 `5 W- z* N7 n. frt random 360
# t" O. C% `$ U$ g+ u9 y
% s( R) ?' u4 [% K# D5 i) }fd 14 C" F! q1 i$ d: |% n- \: X
# d8 t% l9 Z* N
]
4 {$ M, ~4 C" F! v: u( {% u, X) m; ~# e8 j+ U5 f* N, K5 ?
end! _9 q( n9 i2 M1 q" H3 L- K
3 @9 I' P; t( n8 F7 D; c
to do-trust / \5 }5 U6 n: A2 J. s3 q
set trust-ok False& X0 F' H0 Y" I4 g( z0 E0 |
& h- ]- z q5 U+ }% B# R
5 S' e! h. j7 Z/ @1 I C+ Mlet max-trade-times 0
9 h8 L- g& w$ Rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 b' K0 ]" ~, B# e8 i# Y/ f
let max-trade-money 0
5 P( q D8 g$ Tforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) ?0 v1 h: }3 H5 c$ ~) klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* g ], P O; y# s/ x: |/ b! L* `9 K# k- |! \* F
, S$ Q: \1 f. }+ V* Q8 [get-global-proportion- ?4 [! v) H& X8 \4 e( ^5 J, x7 A
let trust-value7 b( v' D! f% M
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)
2 D% `0 f$ a7 ]; d7 @- a- eif(trust-value > trade-trust-value)
- n6 P. T5 P6 C[set trust-ok true]
. p. ]" s( N! h/ E! L$ {end( z" I6 C/ M! |
# P& o7 j" A& O- w3 @to get-global-proportion8 [& K! l" _/ p0 ~+ } F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 }. K a7 A' |0 ~& F[set global-proportion 0]3 C/ Q' L' R2 {( z( Z( V
[let i 0+ R0 T+ W# H4 ?$ ^
let sum-money 0
; L/ E' q/ y0 T5 x+ S/ ]while[ i < people]8 `/ |3 t5 V9 |0 k
[3 }& h. d& p; Z" z! U
if( length (item i
1 \) K. w# W B7 x. z[trade-record-all] of customer) > 3 )/ }3 @9 e' e' t0 R9 B# K% b
[( K3 F+ v# a# N! p3 }+ J
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 A% W6 h6 P5 u: P4 W]5 \* P2 t% h9 N `9 ~. k+ v* r
]2 k+ {# U/ N! T. i* f7 E5 Y. G
let j 0
8 v- H9 p- G# ?let note 0
" W0 s! }1 \/ Y- M% D+ Z- \ Vwhile[ j < people]
& e% A( r' x. r6 u! R[0 U* p8 U# F P' E( u
if( length (item i6 X5 u# i y; S9 N+ a* u+ A
[trade-record-all] of customer) > 3 )
1 `* ?6 B8 A+ t[% O( q6 t: |' `
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). f& T6 d8 x& I- ?2 U5 |. ]) B0 H0 a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; C5 b+ m. C7 [5 s& Z: J5 J. V
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; [5 A, _) ^9 G! i0 b]+ c( I& U( G' M2 N
]& i- k' O- c J5 X+ c
set global-proportion note1 r1 X0 j& N9 w8 g. m3 X" q
]
" h" L# O7 Z0 O" M% A! tend
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8 }( A2 u) C) n4 Sto do-trade
. }3 e3 D" S7 y b;;这个过程实际上是给双方作出评价的过程
/ e1 A) X F& S- Z" P) s) p" A+ wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 ?8 s% j" h& a$ p3 [4 M4 Q1 O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 `* B$ s2 n0 w$ ?! j5 v* @
set trade-record-current lput(timer) trade-record-current& h# m5 i. x( N2 y* A1 D" U
;;评价时间" K+ D" D: o8 W5 U; K$ W
ask myself [; P: e W! V6 G
update-local-reputation( o$ k9 E0 |: h' ^ n' v% ]
set trade-record-current lput([local-reputation] of myself) trade-record-current
( @$ y( X( P' V7 r p8 e0 s]" n, ~3 K" d: k
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) }9 l; Q. j* I, R) F;;将此次交易的记录加入到trade-record-one中
* }2 g0 d5 o3 j7 ~set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 x( R4 |+ i4 m$ x7 X8 ^let note (item 2 trade-record-current )
! Q, K. I; |, X( Oset trade-record-current
+ h/ I( b1 ~! @- E5 M) K(replace-item 2 trade-record-current (item 3 trade-record-current))
; f5 O/ l$ \# u% d, aset trade-record-current6 f% I& e6 r" ?# L
(replace-item 3 trade-record-current note)+ i' k& K0 F8 m8 ^/ P0 R9 t
3 h2 D7 D" p4 T- @$ \0 |& \' F5 p/ Y Y$ K+ I/ ^& b) E
ask customer [2 t5 A2 N% E* m5 \% Z
update-local-reputation/ g! k0 C7 |( K; I$ q, x1 j: Y% {7 J Q
set trade-record-current
6 s3 b. X% P* ~2 Q0 V7 t(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' @' A5 q! u0 M4 Z& E
]
. t8 W" j# m* m/ g _" n7 R3 z2 B4 [1 ?0 O
% d; W& t: i, b* Q0 X% y5 Hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 q- F Q' ]& T! U4 X- y6 F$ P/ l8 ]8 M
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)), B( I* w! H3 }
;;将此次交易的记录加入到customer的trade-record-all中9 w. Y4 `! }1 u0 ^7 S' V- v' a
end8 C1 p8 k* x' Y% E1 y; S1 H9 l( g# T
7 ^5 p7 b8 W% q
to update-local-reputation5 \6 d; P* V, }3 s3 h5 j8 a& v
set [trade-record-one-len] of myself length [trade-record-one] of myself
$ i2 L. h X6 o% p: J" }) e! f
M! i" p1 }' E4 Q, ], M5 Z2 D3 ^9 |" a* t; z& d
;;if [trade-record-one-len] of myself > 3 ) o8 B9 G6 [% C' E5 T" ?4 G
update-neighbor-total
; }1 W2 q5 f2 I+ i% ^;;更新邻居节点的数目,在此进行$ e) A( Y$ u, Q7 U& `7 n
let i 3
6 v( R8 c2 X5 b' k5 Z1 klet sum-time 08 {+ ?5 K. f. M
while[i < [trade-record-one-len] of myself]. B* M: {- @+ v
[2 W3 `! l, C% {: V% d( ?9 i! q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), K6 ]. l; j1 S: O& `
set i" ]2 J" A" X- B) j+ _/ ?, [
( i + 1)
2 Q' q/ Q, y/ v7 \$ w& e/ s: P- K9 H]0 D, u" D0 d$ s5 O- _: p0 S! H
let j 3
3 u8 l/ y# w3 a3 L' m. rlet sum-money 0! _ z+ X2 m# b1 _0 C4 J6 k
while[j < [trade-record-one-len] of myself]$ }/ ^! Z J9 O& X
[
/ }: g) h, R3 Y3 ?# M- oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
5 u5 ]! ?2 D+ r7 a" e+ u0 ^set j3 Q) ?& U- |- K9 l. R! W
( j + 1)+ n) r* J0 j9 {/ q& z4 _1 E2 ~
]
) |/ f: w! E9 p; D) p7 Vlet k 31 U7 p) Y2 H% k+ T" X g- W
let power 0
2 C, ~/ S* m; f: I: ~4 D, rlet local 0
; A7 M; ]; m. {" f! N3 {while [k <[trade-record-one-len] of myself]/ E. U: x& a5 B9 G/ E& d: D
[9 X2 A3 U; k8 m( T: N
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) + a" O6 V- @7 `- ^7 i8 @( A
set k (k + 1): [+ k7 Q$ d' t4 I- J: j
]
8 s/ @4 S: P0 V# Q" ^ a& Vset [local-reputation] of myself (local)% q0 M; ]1 z0 y, @
end
0 g% R* g; L* w1 F# f
! |/ ]# G4 N, _6 `! kto update-neighbor-total
6 Z$ B& [. y* Y8 [* j- x8 {& |7 \9 X; s/ X" r0 L6 L
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ p8 M5 m# s ^# A- p3 a0 M+ o
! W9 \9 C( ]- l2 h0 u/ A' }7 @% @ F) l- ?# M% L
end
9 d9 i, s4 i7 X: i
% R* J5 s) c& `2 [$ w% {* Kto update-credibility-ijl " U5 j! x3 i' C A- j4 W
, o0 c/ i& ?; e) U: T1 P; @8 _
;;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。
" A1 a7 P% F4 g* f% L% l8 Glet l 0
: \; G& I. o! s6 b" G5 f7 [while[ l < people ]
+ s5 L1 u' b L' 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
3 k5 ]/ C- @0 G0 c[
. [1 l* |) ~1 P% W% P; N4 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% M/ s' S- }; r6 V# s1 z8 Zif (trade-record-one-j-l-len > 3)
$ |3 _8 M' ^1 |0 _+ I0 {6 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-one, [% ~: b0 ^0 n: G4 B) R8 V
let i 3' z! l0 Z z. v! i8 `6 n! n+ r
let sum-time 01 o" q: o) g$ B8 u$ \! K# m# v
while[i < trade-record-one-len]
" A7 Y, x2 @7 N7 C, C[
1 Q* I9 }, w! |* I5 i' g9 ~( A. Rset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 j: b- `; e/ j3 R& _3 oset i! L' {3 w4 p/ n/ O( u a
( i + 1)" v) k; E4 s( t+ N D
]- n7 t3 } s4 c/ B, Y
let credibility-i-j-l 0
8 X5 L8 w# z6 W$ k/ X$ p;;i评价(j对jl的评价)9 U0 s" W: e3 {" Z V, y
let j 3
6 v9 o1 ?$ e: g0 r. Tlet k 4
& R+ w+ \9 c$ X% Q6 z5 Hwhile[j < trade-record-one-len]
T# Q7 p3 U5 M2 e+ I1 r' c[ L+ i6 }) W$ o u% r/ }
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2 R" x8 Q: v6 x2 D! M* C- h
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)
5 X6 J2 T. H Y1 ?. Z& p' }9 y( Jset j% m$ d5 r c* \- ]; g
( j + 1)2 A7 `( I# t: {9 ^
]1 m! t9 A6 Q5 _2 @% G
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 ))
! O+ E' }4 P- j0 H% m# s, ?
; e" q4 W9 Z/ h1 d5 l7 ^2 g& E
8 R0 V& x) r1 @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ s; J' q" W& v8 b) D! |0 T
;;及时更新i对l的评价质量的评价
7 b& e; o1 p6 m. Tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 c8 s' O; a# a6 T2 L: K$ ]1 L& m
set l (l + 1)3 A1 [- Q2 Q- K) d o' |5 a
]$ n4 ~" A4 l5 W2 [
end
2 {1 u* c8 ?+ r8 s! K& W6 P/ W
6 ?! K! o0 P, W( [3 q. J8 E' _to update-credibility-list
. |$ Q) u; g* e7 M+ j$ Qlet i 0
: M5 y8 B( c9 H* s: @" Jwhile[i < people]% _. v0 T4 `; r- z
[ I0 V2 C+ l8 M2 l
let j 0, i( E2 L) J- M- P
let note 0; E4 ?6 |: E' |5 L: J
let k 0" u2 Z" b/ j& A3 y
;;计作出过评价的邻居节点的数目
4 R# { }/ l3 R8 m6 A, V3 z+ @while[j < people]" w/ k- [# ~0 f# a5 c
[- j6 {2 I$ ]& d' W( y& O0 U
if (item j( [credibility] of turtle (i + 1)) != -1)0 {1 \& G4 s3 x/ ` r
;;判断是否给本turtle的评价质量做出过评价的节点9 D8 j& w# Z/ T* V
[set note (note + item j ([credibility]of turtle (i + 1)))
% {5 R8 V& r% a% \& H;;*(exp (-(people - 2)))/(people - 2))]( y4 n: I) W. i1 K
set k (k + 1)
, [+ ~% k+ ?8 _. j4 i% Q) W]! E/ q: j3 y3 a
set j (j + 1)
9 J$ S# h' h2 W% r: m" N& Q. c]& |: g7 N8 t8 G0 U
set note (note *(exp (- (1 / k)))/ k)) b, }6 d* Q- U
set credibility-list (replace-item i credibility-list note): i% Z" D& q3 A# ~
set i (i + 1)
. v* r( u" C& X* m/ s]6 M7 X# M+ a% L6 b
end! q+ N1 v$ j4 u4 i; Z: M$ g
4 L/ |# E9 v: s! M2 O6 P7 K5 o# jto update-global-reputation-list
$ Q+ ^ r& L! h% S- P Olet j 0' l0 W5 `! o, ^- r& y; `
while[j < people]' L: Q+ v+ w% Z5 v: d6 m
[
* _ P, j1 l$ ^' Elet new 0
7 {' E F6 n# Q: L;;暂存新的一个全局声誉! }4 D, a+ L, p) c2 P
let i 0
' D' d" S' F/ c7 h- }3 v5 Flet sum-money 0' V: H S; U: q! a& y
let credibility-money 0
1 k0 \- @4 l; Y- r+ }while [i < people]8 J& S5 s4 u6 i+ `- P
[
3 H+ t6 ^ L; w# d# I* f- K2 L% R }set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 \, b- z/ s% \0 I% \+ \- i$ U) s
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: Y) ?6 l6 D2 L1 Z, rset i (i + 1)3 [; j" _8 S" k2 M% \) t! M
]0 L- p- ]& B+ s' w7 U
let k 0+ {7 u1 }% N" K1 o. B
let new1 0' \" I) j6 r) `# ?, y
while [k < people]2 X/ s3 I* j" w% I/ W
[
5 Q; v" A1 Y6 A$ yset 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): F4 D: H9 Q9 k! b9 m9 V. J
set k (k + 1)0 T% C4 E1 `5 G+ j; c
]
. O; i% [) ^6 w ]9 H: Yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ; p7 q+ I6 Y; `1 z% H+ S# a8 B
set global-reputation-list (replace-item j global-reputation-list new): N' `) z4 C0 }6 z
set j (j + 1)
$ P( L, S9 B- V) g1 ?, R* I]
4 x/ S' @ }/ E3 ^- Oend
, o7 j7 i4 J, d: t7 z; Q2 |9 v+ F5 d! P4 F8 ~
: B3 p/ @% I' w) w& y( e2 ~! m/ H! l
. K- T1 Q5 b' P( V v/ Wto get-color; [9 O; t/ w# ?0 w
' N7 X( U$ k6 q# mset color blue" N5 N' C* X3 G/ e' _/ S
end
1 ?+ F6 J( p- Y" c3 {& s3 [' `; J4 `, D) L" i
to poll-class
! \3 O. p9 t0 |+ `! T. Zend" O4 D# u- L- x/ o. W8 K
5 W9 U3 h, S; r% @7 b
to setup-plot1- j3 S: I! J8 z E1 c
% a( t# V( T. M' ~
set-current-plot "Trends-of-Local-reputation": A! D6 o K) T
- M8 M7 j6 I; }/ L* I. d
set-plot-x-range 0 xmax
* N& X V: `: r) M5 M& c5 k
1 r- y1 f, y. G- Nset-plot-y-range 0.0 ymax
! u ~. V; b5 S8 B8 Yend
: ~ c1 \% R5 k6 n9 ?& L- e
- A2 M: ~8 G. @0 ~# pto setup-plot2
$ S+ G+ X) F4 k+ u) l
$ Q* ?. } h# _1 Aset-current-plot "Trends-of-global-reputation"
# F/ k6 R2 s' v9 q" M$ Z9 }5 m
8 f1 e- L( ^5 F! ?set-plot-x-range 0 xmax8 _" x' d9 o$ _- f8 n' g. `
5 n. a, t7 x! Wset-plot-y-range 0.0 ymax
% s0 ]5 b0 }" m t/ R9 Rend
9 L- v2 Y7 h( {
- v7 n" y: ^* qto setup-plot3
4 j/ @' h, D" m+ ?
& B% r5 M$ O2 ?$ ?8 Z# `3 x5 Hset-current-plot "Trends-of-credibility": O4 R+ B$ i- a9 p$ \* B0 Y4 D5 n C
! l- c/ P0 w$ r6 J9 Q" sset-plot-x-range 0 xmax
8 y% J& d! P$ m2 T* [$ {' x* S$ S# I s
+ ^/ H0 G$ y0 Sset-plot-y-range 0.0 ymax8 p/ {+ Z: q7 d
end' p+ Y, m2 u8 O1 T- s
5 e/ x" N/ y7 i' l6 h* vto do-plots
( F% c+ y5 f1 h: T/ G) bset-current-plot "Trends-of-Local-reputation": ^( h! ]4 @0 n1 G$ H5 ]/ F L
set-current-plot-pen "Honest service"! u5 p4 h3 @+ Y/ l/ c
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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