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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! b2 o/ L' _+ u7 q- F
globals[
# i& C0 g L5 r% q( ?1 y0 ]8 Jxmax
$ R8 _ M/ P4 o/ D- cymax
- i8 ^5 C6 A4 N! p+ g' w/ i) i2 `global-reputation-list
) |/ n0 z* `. h% d' S& |% C
6 F7 f4 c# R' ^3 K) s( k* A;;每一个turtle的全局声誉都存在此LIST中- ^- ?$ ^% M/ m6 m( k5 o# M8 R
credibility-list+ R) w- {0 y7 [" e7 s" J( B+ z
;;每一个turtle的评价可信度5 W( }+ K% c" V2 o) D* R
honest-service
9 ^0 s4 k, V s# _* w! y6 \unhonest-service
/ ~/ y3 z6 F/ C' d8 Uoscillation' d; I9 }$ H. d2 k
rand-dynamic
/ h' v& t% J: w+ K9 M/ u* E6 }]
( T# F1 H3 z( D7 X1 w* j* N. n4 e' W+ Y7 c$ D3 X
turtles-own[0 q: E4 t9 A l" p; |6 d
trade-record-all
3 B4 ^7 M$ w& ^6 h;;a list of lists,由trade-record-one组成5 V2 K/ Q0 l. d/ S3 h+ u5 F
trade-record-one& h# y ~, i0 f& V! D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
0 i% o* |$ Q1 R I
5 z) g/ j) A; c2 o! m5 A y;;[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]]9 I# i# ]1 j# z# T. z, g' g
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 R x, o( V" F" a B8 e U9 hcredibility-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& V+ S2 Q6 W* {! B5 a9 I; Q
neighbor-total( c2 \1 N6 B. ]1 w2 v
;;记录该turtle的邻居节点的数目( x! N# U% T* N/ W! d" J+ T
trade-time) c7 _# D5 l, t' T9 m9 |' R3 H
;;当前发生交易的turtle的交易时间
6 t5 l5 Q" z# Nappraise-give
, H/ A6 Q& s4 j& w/ h5 g9 I$ E;;当前发生交易时给出的评价
- w4 D) u1 Y R" Happraise-receive
7 @3 f; U, W _. S# U;;当前发生交易时收到的评价" f7 b# l4 R- u& J
appraise-time @" e0 h0 C! x) `! p
;;当前发生交易时的评价时间
$ p4 `8 c4 g) ~7 ]2 C& Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 K7 b+ F3 M+ z9 I5 ~3 m2 ^, T
trade-times-total+ M, R* p9 Q- W8 s3 [: L
;;与当前turtle的交易总次数. X, G' c& a7 T; Q
trade-money-total5 S; D0 ?8 u1 B' ?0 K; P
;;与当前turtle的交易总金额: D, }6 u5 E! m) H( C
local-reputation/ |" Y; P2 J$ t9 s* L
global-reputation( M# f7 n2 C, U% I/ Z1 E/ ~
credibility5 @8 D+ y5 P5 R: [ K. r0 X3 G
;;评价可信度,每次交易后都需要更新5 p- ~* v: X# J) Y! U6 x- B
credibility-all
3 l' w7 @: f2 j) d/ a;;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: N. w7 x* s" q
% `# {( q) M4 U; Y
;;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0.54 q/ ~& T& ?# g* B
credibility-one& W: y8 Y& E. m0 B) j1 o/ b ^
;;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9 U# a& Q0 d2 O9 Z2 ^ Y
global-proportion; B8 [4 q t+ H) N. ~$ v
customer
6 k3 |% }4 y+ A8 q Y" `customer-no
. P8 c4 ~: x& f9 U3 o8 b8 Dtrust-ok B( R) B; j/ ?" K& g( P3 [3 w. ]
trade-record-one-len;;trade-record-one的长度' ^4 r; p! l. {
]
* r h, g3 `) Y: p+ ?7 p$ B1 {* G0 }+ x. T/ g
;;setup procedure# f$ n+ T# S$ F: z8 Y' S l
. m' Y) p2 I5 d2 H! b( e7 j6 jto setup- S9 |1 C) V% U) y$ L. x
$ h( |7 ?9 f" Q+ N9 Kca6 @& e: L' i$ A4 @
2 d/ T" a$ W8 O/ y( M, v `initialize-settings: _" F/ e. W+ h1 t0 m4 s+ q
& A; A9 c9 [6 @+ @3 Acrt people [setup-turtles]
" Q# l5 B0 S, n( x; |, f9 o6 N3 v( T, P
reset-timer9 K+ n( |) Z$ Q f4 ~
, B" f8 x# P9 k! |! spoll-class
8 f P6 v' i& y1 Z. c5 ]6 o) B% M. R8 u! ~
setup-plots5 D+ r4 P' i$ Y8 A( U4 {
- N; e6 C% E+ L# S
do-plots
$ J) o( b9 a' ~* `9 S, bend: g9 Y) ^7 v1 o6 g% S. C. c
; U0 e ?9 i0 t& Q6 I! k1 s- f- F1 ^
to initialize-settings E; _5 T1 i) U/ U/ `& j7 |% z
% U/ y% {7 n! r* e0 S
set global-reputation-list []
T& V4 D$ A4 r
4 b$ D0 D# B8 j$ \6 t( c" nset credibility-list n-values people [0.5]$ Y: t! m z0 X" I' F% q4 e
7 T# Y Z- |: G1 Nset honest-service 0
1 {# Z/ D" ], o, O
- D9 X2 f2 E- r9 Rset unhonest-service 0
. e( O* r: c: Q1 m( k6 M/ }( ~
. a. Y' P5 ~ L3 _set oscillation 09 L3 P i5 o5 E
) m- N8 ~2 k# L3 v8 R- V- Xset rand-dynamic 0* s1 U0 Z4 j' e* I8 N7 U$ S
end
7 A6 p2 |" p# U2 |7 r- m( _2 [( l3 A# G
to setup-turtles
9 }' k2 @) @) _7 K! ?: kset shape "person"& _7 c. @4 E$ o% h8 ?# W. ?
setxy random-xcor random-ycor; P$ ] E- ~$ q6 Z8 F
set trade-record-one []5 X' C' ]7 X S; ~5 i- B
& u, j- o+ Z' P' Q5 Jset trade-record-all n-values people [(list (? + 1) 0 0)]
) }& D9 X; s8 b0 m. H6 ^: F( J O) [$ Y
" }: m' F" T5 j& }$ \5 w& Sset trade-record-current []
: a' x1 K5 p7 z/ J. q5 iset credibility-receive []% m+ S# i: H' ?$ l1 C& o! ^- G! P
set local-reputation 0.5
- O- a* Y2 e- W" J, m+ Hset neighbor-total 0
# ?5 j3 e7 e) e' g% nset trade-times-total 0( t8 A6 I- B: O$ ] Z% u
set trade-money-total 0
: J* `. l) n. z4 c6 g) j* Mset customer nobody( s6 }( M8 [9 t. r# z
set credibility-all n-values people [creat-credibility]
" `; l3 @$ j5 s7 s' V( u5 O3 Tset credibility n-values people [-1]$ I$ K: p0 K- a( o
get-color
% X% Q- H' _- f; D, E3 z" T. Q" B6 T' ]' ? y! }
end8 W8 I9 w6 c% B# G9 g; j. y
( V/ E, G5 e2 w; \& w; Q# t7 Ito-report creat-credibility
1 P+ N' M. N4 D l) i/ ^9 y1 B2 preport n-values people [0.5]# h8 l5 X+ @ i" G6 s2 S4 z1 I
end
- D& G5 w- w4 t0 J2 J" c
- _7 [9 k" d3 @, `& ato setup-plots5 C4 X* |4 u {( t: _' h" v
9 M; R$ O6 n5 q( u+ P
set xmax 30; X/ p( z$ V& B6 Y: R n
- H/ j' p; u+ X& O( Bset ymax 1.0
% j [% }& `8 [8 V/ Q- A( z8 z7 G( J- B% i$ C, K. Z
clear-all-plots
6 ^' C& n9 \& y, D6 c! |0 D: t/ W* ?4 q& U: J" o, X1 ]8 q+ w
setup-plot1
) K) H1 W2 O0 A/ }
. L8 M, \+ U2 rsetup-plot22 @" B+ W& Q1 O7 ^5 p9 O
7 x8 u- _5 O" x& V
setup-plot3
' |/ y p8 a; x8 ?1 `( @end* h% Y4 P0 l/ S4 |
7 }1 O3 f0 R- \8 a- m; F7 };;run time procedures
1 S4 t6 l- ]5 s$ A$ f! J' A8 ~9 R+ H) ~3 P0 @" h+ H
to go1 { U* |) P' [
" B& `8 v) W4 `
ask turtles [do-business]
) |3 u9 ] P: Y9 n; [7 Eend
/ E1 k/ L* ]3 `4 o! `$ p9 J$ m) T0 g5 [: r: L( `
to do-business : R! ~+ G" z2 a% I8 B& s
: B3 y, M, J, H) H$ i9 l* b
3 d) n' N A4 b3 t. f
rt random 360" \% \' n8 b8 Q, R# o/ C$ b- ]
( t; B0 K. g0 s4 g; k
fd 1
3 ~& C5 ]4 t g* f1 |6 O- F( B% c+ V! z0 q2 J
ifelse(other turtles-here != nobody)[
6 y" T) {$ L1 [
8 `5 f7 c* G1 k X: p7 p2 Hset customer one-of other turtles-here Q* r; t* H+ V' T/ Z
3 }, u( C- `% d5 L/ l. ~0 i
;; set [customer] of customer myself; d d3 d* _. l' ]/ ? [- g
( ^ h3 ~ K$ ?- {% d; |
set [trade-record-one] of self item (([who] of customer) - 1). Q7 `/ C7 K) ?8 x: k. p2 |: n; W4 ~
[trade-record-all]of self
8 |! @# ]4 B" F+ j" @/ t- l;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) R X* W$ i8 T7 b5 N9 l! Y7 m+ P9 _8 }% X2 n, w: j
set [trade-record-one] of customer item (([who] of self) - 1)) M/ g) G% O$ _+ q
[trade-record-all]of customer
* W' G2 k8 M1 [# @ |$ M! [4 V4 d1 j; H* M. h% Q7 K
set [trade-record-one-len] of self length [trade-record-one] of self
" s3 j* K- ^+ R) ~
% S( K. ]+ w' m: w1 v+ p$ G9 Hset trade-record-current( list (timer) (random money-upper-limit))
! W- N1 Z; g$ ?
, H9 c% s; m' |0 {+ G# Xask self [do-trust]
/ D3 Y7 E# H( n8 B) j2 @;;先求i对j的信任度
5 A' @& F4 E$ D1 o) c
3 Z$ ]7 [1 [4 s! U! g+ {( Lif ([trust-ok] of self). I" a* s" x6 ~( J. I3 s6 x
;;根据i对j的信任度来决定是否与j进行交易[( C# |2 w( f) J7 G
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* @5 M! N3 P: Z5 ]& U' l2 |
5 y/ ^5 J0 M1 y4 N$ t
[
g3 m, x4 l9 [ a% N5 @" k7 z* F
" U/ P" ^: e& W( M7 u0 x1 w9 Z" kdo-trade9 d+ [, L- D3 G& o8 k
7 `8 P3 D: U/ H: a+ Supdate-credibility-ijl/ f4 k# f- V1 u. S
Y B4 L: L/ l
update-credibility-list+ O% N z a! s: v9 `2 r
/ j3 t5 t- Z+ u4 Q( m; C5 h
. Q3 A( U- n% ]9 A5 T( Z# Zupdate-global-reputation-list! [1 l$ ^5 f9 }* N6 t( ^: W X
2 S! h6 p S4 q, k5 }4 Q& v
poll-class5 K- G" D m& @8 o
9 ~5 T- X- C- L+ u- R8 Z6 H' n
get-color. H$ \9 @, t! F/ K) U$ {0 V
0 c! S$ N9 x8 |5 w8 Y]]
+ ?0 W3 o, ?' I# {" R' G" G4 p' p3 t9 j
;;如果所得的信任度满足条件,则进行交易6 R. o: E, m; ^% j1 j4 y
- j% O. u4 b% q. _2 D[
" J7 q$ B, v& f2 e) V F% u- r# E3 \
rt random 360
7 e0 b, a0 U! [) ]) m
" W- t I, {8 S# } V0 }* Tfd 1
2 U8 D* r" M' z3 L4 P5 k
( k) v# s. m9 b]
& [5 v- k* L( X. v. i( k1 i
3 K* R8 D, H* t! K' a9 f6 \6 A" Jend
: t8 B3 U* ~: m; @! |* R- s' m
' {" D& I/ B# s' S4 B. I! xto do-trust
* V- S) { P; m3 r% ~% d( M4 z) |set trust-ok False
" Z4 v- K' [+ I) f
) Q2 T: C* O1 i& J* d! ^
/ k3 e6 b* P2 I4 G' I7 j& a4 qlet max-trade-times 0
( f5 R5 ?6 G1 ~; k b9 T) Uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ ~( [0 u* c' x0 r6 A. a
let max-trade-money 0
, r" \% ~2 U, B2 @4 h2 z X4 p/ Hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' E. l' X2 L* O( r' e% u6 l( l- r3 Nlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 [+ H& g3 S* W9 E, a# W
1 t/ D7 T* ^8 H2 I0 I( _
, A+ o8 M3 p( Cget-global-proportion
) [4 N6 H/ t' t- ?3 r7 a* g' jlet trust-value
* C( ?) B6 h5 e1 t$ rlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)6 O; K" |# I* M% q
if(trust-value > trade-trust-value)
, N% B. E2 g3 ^7 G% B% i[set trust-ok true]* V* ?4 z+ |; k3 k
end
5 q5 z7 U" }' ]: ? j+ y( ]4 O* a' j5 y7 x9 V4 l+ e% p1 ]* a
to get-global-proportion6 `! U% d4 E" d+ v0 V# e0 X& n
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- E! X b2 A! z6 y, k' J
[set global-proportion 0]4 T5 g" I9 U$ G( m/ D
[let i 0
. [# y' U; V) Q+ K! M6 alet sum-money 0, c( N+ F; ?: Q2 E2 i
while[ i < people]
; F$ O4 J4 s9 ?- ?/ r1 t[$ j/ j2 U# j7 p7 ` p2 P
if( length (item i
( t4 v; H; {, I7 L9 ^4 A. O[trade-record-all] of customer) > 3 )
: ]7 F5 h) x# f. k5 f[
0 `, V# P+ h- _set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
k: \# z4 o9 g u9 N! D9 Q& e]; d) g4 F( l1 j1 ?/ e r$ N3 U5 r
]5 l* u O) N+ R! R' ^
let j 0/ h. {, r; B& P5 F& n5 s
let note 0
1 K' G) [6 y! l; a8 cwhile[ j < people]$ Z0 m0 K" {; Y! U u7 ^
[
u4 _7 w* n6 E+ uif( length (item i* d d$ U. h4 w; P) C
[trade-record-all] of customer) > 3 ). Z& U5 X) E l+ g9 W- x( G3 D$ O
[
& G* m N+ \9 s% d# b' lifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' v y, e; P E; n8 v0 d[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 N1 J2 B' s3 L2 B& ^" ?. B9 F[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 b% n" f! j& W0 i4 O]
3 h5 |) e! V! e! O1 _]: v; }" e4 D5 s0 M6 @+ _
set global-proportion note" V. |9 ^# t* \
]3 n) y) r- E) d: @4 x
end
) h. G$ t) g, q, s% s
& S# |. G/ ]4 M; [/ Vto do-trade+ _2 v! O. E! {: j$ P) B4 N
;;这个过程实际上是给双方作出评价的过程
8 i. P1 Z6 c' w1 K6 N; Uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- b* p4 j1 L2 s* jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
- J; W7 ?3 b/ V0 t9 s( a4 Hset trade-record-current lput(timer) trade-record-current( r8 W% H% K& A- L, n1 `- |
;;评价时间/ v6 O/ \* l: M j D
ask myself [5 ?* c; i" R9 [2 a5 _
update-local-reputation$ \. w3 P# A% h. c, T) k
set trade-record-current lput([local-reputation] of myself) trade-record-current% Z6 N+ B" T( E
]
: |" J" I& P( h1 g( Rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: W, {& F6 P. Z* N4 h$ O7 v$ v" v7 J;;将此次交易的记录加入到trade-record-one中4 q! Z0 l* B& m! _
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 i* Y$ ?" T- p& F0 c
let note (item 2 trade-record-current )
) N: C$ l: I' a, Fset trade-record-current5 S, \5 t- ]0 V% D( [6 a3 j) ?
(replace-item 2 trade-record-current (item 3 trade-record-current))
* l* r3 x( l9 [* I5 _. {+ tset trade-record-current
0 I3 b% Y$ `+ Z3 g6 l$ c/ g* `(replace-item 3 trade-record-current note)
: P. A# F7 n9 B
& @* m8 N0 ]- H p+ Z
& Z4 r D0 \; j+ F( T* b1 cask customer [
! z! c) y. D8 y7 ^update-local-reputation
! Y2 h+ U, Q! H/ iset trade-record-current' r A+ |; B/ v, g( @2 m& G0 g
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 d4 l6 P$ b. G' O
]
% Z; h5 A! n% H& ~
! z+ P; }9 O. p; z
1 Y8 b7 c) Q4 z, s+ r. bset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: X* s$ R6 C, w, A$ Z2 H- L& d4 J$ o/ [
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ h- l6 z$ h+ Q" b5 q;;将此次交易的记录加入到customer的trade-record-all中/ H* \7 Q9 Q' d3 `* L. l* c
end7 X7 i& A1 J$ K' W) \0 A
; ~& T( V; c2 J# Q6 E; F7 F
to update-local-reputation
A. j9 f i) c) v. C5 S0 [set [trade-record-one-len] of myself length [trade-record-one] of myself
" O% s+ }% O+ k; a+ O5 Y+ \
% i& m0 Q7 A% [" ~
$ t1 J z' \2 B;;if [trade-record-one-len] of myself > 3
7 I( B$ N" N/ e/ r; e5 J4 Supdate-neighbor-total1 e% k O- q6 S( m |
;;更新邻居节点的数目,在此进行; s: D) W! ~$ E9 L
let i 3+ Q Y! m+ |- ^3 j7 X
let sum-time 09 V* o7 C3 Q @
while[i < [trade-record-one-len] of myself]+ j8 q0 K& h3 A8 I; J: X! [+ Q& I
[) Q% V% V- B& t/ _! i
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) ~4 E, m7 F# o: Z9 V. B( P/ U
set i
4 Q* s6 [" O! X7 N8 s( i + 1)
% h7 r: w! t; t" ^# X) W0 y& s]
. w7 T) C% z8 u& C) M. |0 Rlet j 3
/ T. n) s. _( Mlet sum-money 0# j# Z* M3 L8 N i6 G
while[j < [trade-record-one-len] of myself]. o" d% F$ W- {: L- o( l2 ]
[; P2 A* f, y7 Z) Z
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)
# A1 @0 c5 b; U5 `2 i- d5 Q4 Mset j( {9 E7 _7 b& P4 A+ o' Y- Z
( j + 1)) ] b; U7 _4 q* i7 ~: h+ ~
]
2 `; Z$ W! N6 `; C5 e2 r Plet k 3+ \; @) U6 f9 w6 z; b
let power 0
% a/ q6 S+ |" O; k5 }let local 0) s$ B+ L8 [8 m+ J/ R+ Y+ K8 ^
while [k <[trade-record-one-len] of myself]
; q- c" u+ X I' V' P[
% r; b/ W! B6 s( a$ B f! 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)
* j$ Q, A' T$ fset k (k + 1)
+ i$ U* ~0 l/ W. W9 g]
9 q% \5 {4 o* O3 K1 uset [local-reputation] of myself (local)
( b. H5 X+ T( ]+ Z* S; r% M% kend% Z+ D5 M5 G$ v4 k$ Y; |
3 Z- W, }9 E1 p5 c' Xto update-neighbor-total
2 m1 b$ d0 W- q; H! f! H8 t j
& }2 n4 r% B# Kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& E+ c$ C& g/ l$ A$ l# c" M
7 i, K X" P- ~8 g/ [
7 e# n: f0 V$ qend
% F, \# L1 T5 n, K+ ^% |/ B# F. u
: i) [3 k/ R4 d# [5 t* O- \to update-credibility-ijl 5 ~1 e$ F& ~) y4 n
2 S# c0 i) A8 p;;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 Z$ w. G1 x' u; \ \ e2 @: c* Y
let l 0
( d. o; _. q4 G! u" g0 fwhile[ l < people ], {1 [% `& j, n+ T e
;;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( j/ U( N7 q) I! V8 t0 B' ^1 i
[: B0 S9 I, d* j1 h9 n `
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)4 m& o/ S$ S' Z: \, F
if (trade-record-one-j-l-len > 3)
* ^* h y: d J0 Q& i[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-one6 q# y; l2 f! o4 H8 m7 M- y
let i 3
/ h& k) w4 ]2 ^. Rlet sum-time 03 w# N, P) Y2 J ^6 K- e% D0 x
while[i < trade-record-one-len]* j! b% M( n2 Z+ j9 }& Z
[0 y% [7 E/ W* {) Q" }! v( R% g$ m
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ U4 _; Z4 s# ~$ c0 vset i
. i; M2 H! }: i+ t* p, S i( i + 1)
8 K* J: T& c$ e9 Q4 j6 d]
# G% @0 o( O+ F$ n7 C! q5 N0 \let credibility-i-j-l 0
/ B/ o5 P: ]# b, g. Y; J0 H;;i评价(j对jl的评价)8 T, ~) h% [6 ]0 p: }# `
let j 3& \- Q* ^( G* o- l
let k 4( c" M$ U& y6 V8 l
while[j < trade-record-one-len]
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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0 ~. c3 f# |, s. q
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)
+ T: ]; g, R/ h3 b9 Tset j
3 b/ W5 I7 l( t& P3 X( j + 1)( a8 E: r: K" w9 s
]7 {% t6 x4 g# Z' K/ \
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 ))
# H7 K" X A; f8 U: d' Z* f
; {0 a+ V" Q. P) o+ J% f0 s% K) u P( Z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# k, i8 K1 d/ o6 v
;;及时更新i对l的评价质量的评价+ L( K0 Q) D! y7 e# }& Z8 T v: M) A" ~
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- A/ C( d& y4 x4 S* h; K' Vset l (l + 1) x8 b- i' q) l3 u1 X1 s( L5 r
]
7 A$ B- K3 s i, N' X [% m/ l1 u/ |end4 ]8 m) u$ g8 s# R
3 |( u( P) X k, r5 K3 {% jto update-credibility-list
; e2 A0 d4 h2 ?% P7 f8 plet i 0* c0 h8 q p& W
while[i < people]
/ g. [- X4 @, }0 u4 j[
8 Q1 [5 s- |8 {* clet j 0
" V* A' J; G8 V# |1 X$ `2 nlet note 0
; _/ X! }- @5 w& S' j* clet k 0
/ S+ F& ^5 Q& A$ u% B;;计作出过评价的邻居节点的数目, e6 _+ P+ q" S1 f& M
while[j < people]
& q: x3 {6 o5 F4 W n/ r" v[
9 K: b& N4 W/ E6 W' |' k+ ^1 Xif (item j( [credibility] of turtle (i + 1)) != -1)
6 G1 z) n2 M5 K/ E) O3 l7 k8 l;;判断是否给本turtle的评价质量做出过评价的节点
0 D2 E( N" x9 g7 K7 i5 |: R[set note (note + item j ([credibility]of turtle (i + 1)))
) S. h1 X$ h8 J* u; h# Q;;*(exp (-(people - 2)))/(people - 2))]/ H( A3 P( F; y5 ?
set k (k + 1)3 o9 D# V2 M7 ~1 V% v8 q
]
n; i# U# j& Rset j (j + 1)$ g+ Y# K% v2 [ V& ~% @. N
]
8 c6 Q& q, K" w& J' Hset note (note *(exp (- (1 / k)))/ k)
4 x m( v; g3 M* W* X4 {( x5 u) ]set credibility-list (replace-item i credibility-list note)
& \7 F6 E n$ [9 R$ h' W' iset i (i + 1)6 d3 E; i: I& V; b5 p0 Y
]
& N. _2 f. \6 v& f6 O1 mend
$ e$ Y# N9 X; Z) I. V/ i9 G+ p
0 } A5 |8 o" G4 k4 f4 hto update-global-reputation-list
6 i* k$ i0 w: ~* k+ |, w- d- }let j 0
, K& a0 S! o7 E5 p2 N$ {% V& Rwhile[j < people]" l$ Z, _) U0 z: T3 H7 O& ^
[
% w, ^. \+ m& R- `9 T7 @let new 0
4 ?6 _3 x& V7 j6 _1 L2 Z. j3 o$ q;;暂存新的一个全局声誉' O: y* d; e4 d- A# A$ g# ?
let i 0- K, x' Z+ D: x* P% h2 \+ |3 B
let sum-money 0
) x. f5 q+ g6 q; y7 Q% Qlet credibility-money 0' ]( S& D3 ?4 E* l4 O
while [i < people]
) e- |; G- }$ U) S0 F! y[9 K7 [2 ^- _# n7 s; I- S
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" U* j+ ?# h- }. z: cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 q6 B# {) `' @
set i (i + 1)4 s2 L& U' e7 C( X+ k: Z
]; k4 A. x4 P# ^; \; b
let k 0
) h- |, w% R, x. A+ p1 Nlet new1 0* s% [2 K$ G; ]+ B2 ]# t
while [k < people]
& U) F, u; e/ ]! S- \' ]; i7 e3 |[" F2 J3 [6 e( X2 H+ ?# C# Y2 F
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)
0 O6 N6 y& t8 \set k (k + 1)
) [# f0 S! O: A% N( M]
+ O4 }$ L6 F" w6 @* O# o5 gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 3 d/ n! q4 y+ N6 B+ |
set global-reputation-list (replace-item j global-reputation-list new)5 l( F0 N6 k7 j; O
set j (j + 1)
9 ^3 D9 p0 I7 o]
: c* |9 T, U+ t7 ]+ i7 Hend3 M* Z4 L. L3 T, q4 R0 ?
3 B: }% h0 |1 O1 q' l* e! I C+ H1 ~# N
1 n/ t# h4 [- u* {to get-color
) R0 \% a0 E% {0 I) m# h6 D
) G6 h/ M: Q( n) `3 L1 y4 `set color blue( `& n( B# D1 E: J) k4 V
end
: E* ]' c9 u- J3 n# s' ~/ Z9 b
2 P- T4 ?4 N* jto poll-class
2 u* u/ ?. q3 uend! j2 J( M" t+ m' \% g) I8 m
5 X/ y: s. m# o: W; \' Zto setup-plot1
' P# C m# o& z6 T( Q/ e5 k: s: c
) |# T/ |1 k8 p& M& I( u8 O* }set-current-plot "Trends-of-Local-reputation"
& e5 v4 Z/ f5 c8 {% B3 _8 W2 o$ i3 q b( b: D
set-plot-x-range 0 xmax
$ v' W% W" Y) F- E5 J M3 v. M, j
4 k& T5 v4 t( c! V: \- `+ Z$ _set-plot-y-range 0.0 ymax
* _- w0 n' P3 l) K$ ]' I# ^2 ?. jend
1 F8 {4 T6 l, d. u' Y5 [2 {/ i) U, T$ x9 z; S. l
to setup-plot2
4 O+ c, T/ B6 ~# G9 b: a1 z+ T2 Y* t. p
set-current-plot "Trends-of-global-reputation"
L3 {8 \! y: B2 o' l
# N8 b2 q- x- A- Cset-plot-x-range 0 xmax/ }, U7 x1 ~, W1 b
; I/ _# } _* o- \7 p/ P& B8 q( ^
set-plot-y-range 0.0 ymax( ]- Q) Q1 V; Z, ?
end
! ?+ H$ E2 d. g+ G% @$ I1 x G- D( f, u) x, q) P; N7 ?1 ]$ v
to setup-plot3
3 {; B9 V7 N e" H8 O+ T f, ?: O* a q9 \3 h
set-current-plot "Trends-of-credibility"
- H+ e+ d: l' n/ n& y$ A$ Z) J/ L2 f1 q T! c+ G
set-plot-x-range 0 xmax
) X) W" B( Z W! w3 @3 M! [( F$ |, q: O# m @; h- `8 u9 c
set-plot-y-range 0.0 ymax' [% R1 H/ a9 \+ _. P2 `
end
: W |0 Q5 H x9 u, I0 F6 y" Y5 ]6 f$ G5 P6 | P7 Y
to do-plots6 ]% p" p ^: H6 { |/ ?
set-current-plot "Trends-of-Local-reputation"
; `+ @! f! [7 {set-current-plot-pen "Honest service"
3 j" b8 u6 L+ P: Yend( @: f! h, m4 J& f9 ?, E: Y- ]5 R
8 D4 ^- E1 e/ M& I, A- i[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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